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React, { memo } from 'react';\nimport {\n Button,\n ButtonProps,\n ButtonOptions,\n Flex,\n Box,\n} from '@chakra-ui/react';\nimport { rem } from 'helpers/misc';\nimport { shallow } from 'zustand/shallow';\n\nexport interface ICustomButtonProps extends ButtonProps {\n myRef?: React.LegacyRef | undefined;\n btype?: 'plain' | 'line' | 'solid' | 'link' | 'none' | 'inverse';\n title?: string;\n onHoverTextColor?: string;\n color?: string;\n leftIcon?: ButtonOptions['leftIcon'];\n rightIcon?: ButtonOptions['rightIcon'];\n}\n\ninterface ICustomButtonStyleProps {\n plain: ButtonProps;\n solid: ButtonProps;\n inverse: ButtonProps;\n line: ButtonProps;\n\n link: ButtonProps;\n}\n\nfunction Component({\n myRef,\n btype = 'solid',\n title,\n color = 'cf',\n leftIcon,\n rightIcon,\n py = { base: 3, md: 5 },\n px = { base: 4, md: 8 },\n rounded = 'md',\n cursor = 'pointer',\n _focus = {\n outline: 'none',\n },\n ...rest\n}: ICustomButtonProps) {\n const style: ICustomButtonStyleProps =\n {\n plain: {\n color: `${color}.500`,\n bg: 'white',\n shadow: rest.shadow || 'sm',\n borderWidth: 1,\n borderColor: 'gray.150',\n _hover: {},\n _active: {\n boxShadow: 'none',\n bg: 'white',\n },\n },\n line: {\n color: `${color}.500`,\n bg: 'white',\n borderWidth: 1,\n borderColor: `${color}.500`,\n _hover: {\n borderColor: `${color}.600`,\n color: `${color}.500`,\n },\n _focus: {\n bg: `${color}.500`,\n color: 'white',\n },\n _active: {\n bg: `${color}.500`,\n color: 'white',\n },\n },\n solid: {\n bg: `${color}.500`,\n color: 'white',\n borderWidth: 2,\n borderColor: `${color}.500`,\n fontWeight: 500,\n _hover: {\n bg: `${color}.600`,\n borderColor: `${color}.600`,\n },\n _focus: {\n bg: `${color}.600`,\n borderColor: `${color}.600`,\n },\n _active: {\n bg: `${color}.600`,\n borderColor: `${color}.600`,\n },\n },\n inverse: {\n bg: `gray.200`,\n color: 'cf.500',\n borderWidth: 2,\n fontWeight: 500,\n _hover: {\n bg: `gray.300`,\n },\n _focus: {\n bg: `gray.300`,\n },\n _active: {\n bg: `gray.300`,\n },\n },\n link: {\n color: `${color}.500`,\n bg: 'transparent',\n px: 0,\n _hover: { bg: 'transparent' },\n },\n } || {};\n return (\n \n \n {leftIcon || }\n {title}\n {rightIcon || }\n \n \n );\n}\n\nconst CustomButton = memo(Component, shallow);\n\nexport default CustomButton;\n","import React, { lazy } from 'react';\nimport { Box, ChakraProps, FlexProps, Spinner as Spin } from '@chakra-ui/react';\nimport { AnimatePresence } from 'framer-motion';\nimport { MotionBox } from 'utils/custom-motions';\n\nconst FetchCard = lazy(() => import('components/Blocks/FetchCard'));\n\ninterface IHookInterface extends ChakraProps {\n loading: boolean;\n error: unknown;\n triggerReload?: () => void;\n loadingText?: string;\n isFetching?: boolean;\n partialLoading?: boolean;\n}\n\nexport interface ISpinnerProps extends ChakraProps {\n children?: React.ReactNode;\n hook: IHookInterface;\n asSkeleton?: boolean;\n skeletonProps?: ChakraProps & { [x: string]: any };\n isEmpty?: boolean;\n emptyMessage?: string | React.ReactNode;\n overlay?: boolean;\n loadingState?: boolean;\n loader?: React.ReactNode;\n hasShimmer?: boolean;\n shimmer?: React.ReactNode;\n}\n\nconst Spinner = ({\n children,\n hook,\n justify,\n w,\n h,\n align,\n asSkeleton,\n skeletonProps,\n isEmpty,\n overlay,\n emptyMessage,\n loadingState,\n loader,\n hasShimmer,\n shimmer,\n ...rest\n}: ISpinnerProps &\n FlexProps &\n ChakraProps & {\n align?: FlexProps['align'];\n justify?: FlexProps['justify'];\n }) => {\n const { loading, triggerReload, loadingText, partialLoading } = hook;\n const isFetching = hook?.isFetching;\n return !partialLoading && loading && hasShimmer ? (\n {shimmer}\n ) : !partialLoading && (loading || hook?.error) && !hasShimmer ? (\n {\n if (triggerReload) {\n triggerReload();\n }\n }}\n />\n ) : isEmpty ? (\n \n {emptyMessage}\n \n ) : (\n \n {partialLoading && (\n \n )}\n {children}\n \n );\n};\n\nexport default Spinner;\n","import type { ReportDialogOptions, Scope } from '@sentry/browser';\nimport { captureException, getClient, showReportDialog, withScope } from '@sentry/browser';\nimport { isError, logger } from '@sentry/utils';\nimport hoistNonReactStatics from 'hoist-non-react-statics';\nimport * as React from 'react';\n\nimport { DEBUG_BUILD } from './debug-build';\n\nexport function isAtLeastReact17(version: string): boolean {\n const major = version.match(/^([^.]+)/);\n return major !== null && parseInt(major[0]) >= 17;\n}\n\nexport const UNKNOWN_COMPONENT = 'unknown';\n\nexport type FallbackRender = (errorData: {\n error: Error;\n componentStack: string;\n eventId: string;\n resetError(): void;\n}) => React.ReactElement;\n\nexport type ErrorBoundaryProps = {\n children?: React.ReactNode | (() => React.ReactNode);\n /** If a Sentry report dialog should be rendered on error */\n showDialog?: boolean | undefined;\n /**\n * Options to be passed into the Sentry report dialog.\n * No-op if {@link showDialog} is false.\n */\n // eslint-disable-next-line deprecation/deprecation\n dialogOptions?: Omit | undefined;\n /**\n * A fallback component that gets rendered when the error boundary encounters an error.\n *\n * Can either provide a React Component, or a function that returns React Component as\n * a valid fallback prop. If a function is provided, the function will be called with\n * the error, the component stack, and an function that resets the error boundary on error.\n *\n */\n fallback?: React.ReactElement | FallbackRender | undefined;\n /** Called when the error boundary encounters an error */\n onError?: ((error: Error, componentStack: string, eventId: string) => void) | undefined;\n /** Called on componentDidMount() */\n onMount?: (() => void) | undefined;\n /** Called if resetError() is called from the fallback render props function */\n onReset?: ((error: Error | null, componentStack: string | null, eventId: string | null) => void) | undefined;\n /** Called on componentWillUnmount() */\n onUnmount?: ((error: Error | null, componentStack: string | null, eventId: string | null) => void) | undefined;\n /** Called before the error is captured by Sentry, allows for you to add tags or context using the scope */\n beforeCapture?: ((scope: Scope, error: Error | null, componentStack: string | null) => void) | undefined;\n};\n\ntype ErrorBoundaryState =\n | {\n componentStack: null;\n error: null;\n eventId: null;\n }\n | {\n componentStack: React.ErrorInfo['componentStack'];\n error: Error;\n eventId: string;\n };\n\nconst INITIAL_STATE = {\n componentStack: null,\n error: null,\n eventId: null,\n};\n\nfunction setCause(error: Error & { cause?: Error }, cause: Error): void {\n const seenErrors = new WeakMap();\n\n function recurse(error: Error & { cause?: Error }, cause: Error): void {\n // If we've already seen the error, there is a recursive loop somewhere in the error's\n // cause chain. Let's just bail out then to prevent a stack overflow.\n if (seenErrors.has(error)) {\n return;\n }\n if (error.cause) {\n seenErrors.set(error, true);\n return recurse(error.cause, cause);\n }\n error.cause = cause;\n }\n\n recurse(error, cause);\n}\n\n/**\n * A ErrorBoundary component that logs errors to Sentry. Requires React >= 16.\n * NOTE: If you are a Sentry user, and you are seeing this stack frame, it means the\n * Sentry React SDK ErrorBoundary caught an error invoking your application code. This\n * is expected behavior and NOT indicative of a bug with the Sentry React SDK.\n */\nclass ErrorBoundary extends React.Component {\n public state: ErrorBoundaryState;\n\n private readonly _openFallbackReportDialog: boolean;\n\n private _lastEventId?: string;\n\n public constructor(props: ErrorBoundaryProps) {\n super(props);\n\n this.state = INITIAL_STATE;\n this._openFallbackReportDialog = true;\n\n const client = getClient();\n if (client && client.on && props.showDialog) {\n this._openFallbackReportDialog = false;\n client.on('afterSendEvent', event => {\n if (!event.type && event.event_id === this._lastEventId) {\n // eslint-disable-next-line deprecation/deprecation\n showReportDialog({ ...props.dialogOptions, eventId: this._lastEventId });\n }\n });\n }\n }\n\n public componentDidCatch(error: Error & { cause?: Error }, { componentStack }: React.ErrorInfo): void {\n const { beforeCapture, onError, showDialog, dialogOptions } = this.props;\n withScope(scope => {\n // If on React version >= 17, create stack trace from componentStack param and links\n // to to the original error using `error.cause` otherwise relies on error param for stacktrace.\n // Linking errors requires the `LinkedErrors` integration be enabled.\n // See: https://reactjs.org/blog/2020/08/10/react-v17-rc.html#native-component-stacks\n //\n // Although `componentDidCatch` is typed to accept an `Error` object, it can also be invoked\n // with non-error objects. This is why we need to check if the error is an error-like object.\n // See: https://github.com/getsentry/sentry-javascript/issues/6167\n if (isAtLeastReact17(React.version) && isError(error)) {\n const errorBoundaryError = new Error(error.message);\n errorBoundaryError.name = `React ErrorBoundary ${error.name}`;\n errorBoundaryError.stack = componentStack;\n\n // Using the `LinkedErrors` integration to link the errors together.\n setCause(error, errorBoundaryError);\n }\n\n if (beforeCapture) {\n beforeCapture(scope, error, componentStack);\n }\n\n const eventId = captureException(error, {\n captureContext: {\n contexts: { react: { componentStack } },\n },\n // If users provide a fallback component we can assume they are handling the error.\n // Therefore, we set the mechanism depending on the presence of the fallback prop.\n mechanism: { handled: !!this.props.fallback },\n });\n\n if (onError) {\n onError(error, componentStack, eventId);\n }\n if (showDialog) {\n this._lastEventId = eventId;\n if (this._openFallbackReportDialog) {\n showReportDialog({ ...dialogOptions, eventId });\n }\n }\n\n // componentDidCatch is used over getDerivedStateFromError\n // so that componentStack is accessible through state.\n this.setState({ error, componentStack, eventId });\n });\n }\n\n public componentDidMount(): void {\n const { onMount } = this.props;\n if (onMount) {\n onMount();\n }\n }\n\n public componentWillUnmount(): void {\n const { error, componentStack, eventId } = this.state;\n const { onUnmount } = this.props;\n if (onUnmount) {\n onUnmount(error, componentStack, eventId);\n }\n }\n\n public resetErrorBoundary: () => void = () => {\n const { onReset } = this.props;\n const { error, componentStack, eventId } = this.state;\n if (onReset) {\n onReset(error, componentStack, eventId);\n }\n this.setState(INITIAL_STATE);\n };\n\n public render(): React.ReactNode {\n const { fallback, children } = this.props;\n const state = this.state;\n\n if (state.error) {\n let element: React.ReactElement | undefined = undefined;\n if (typeof fallback === 'function') {\n element = fallback({\n error: state.error,\n componentStack: state.componentStack,\n resetError: this.resetErrorBoundary,\n eventId: state.eventId,\n });\n } else {\n element = fallback;\n }\n\n if (React.isValidElement(element)) {\n return element;\n }\n\n if (fallback) {\n DEBUG_BUILD && logger.warn('fallback did not produce a valid ReactElement');\n }\n\n // Fail gracefully if no fallback provided or is not valid\n return null;\n }\n\n if (typeof children === 'function') {\n return (children as () => React.ReactNode)();\n }\n return children;\n }\n}\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction withErrorBoundary

>(\n WrappedComponent: React.ComponentType

,\n errorBoundaryOptions: ErrorBoundaryProps,\n): React.FC

{\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n const componentDisplayName = WrappedComponent.displayName || WrappedComponent.name || UNKNOWN_COMPONENT;\n\n const Wrapped: React.FC

= (props: P) => (\n \n \n \n );\n\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n Wrapped.displayName = `errorBoundary(${componentDisplayName})`;\n\n // Copy over static methods from Wrapped component to Profiler HOC\n // See: https://reactjs.org/docs/higher-order-components.html#static-methods-must-be-copied-over\n hoistNonReactStatics(Wrapped, WrappedComponent);\n return Wrapped;\n}\n\nexport { ErrorBoundary, withErrorBoundary };\n","import { Box, Flex, Text, Tooltip } from '@chakra-ui/react';\nimport React from 'react';\n\nexport interface IErrorBoundaryUIComponent {\n error: Error | Record;\n}\n\nexport default function NewErrorBoundary({\n error,\n}: {\n error: Error | Record;\n}) {\n const message =\n ((\n ((error as Record)?.response as Record)\n ?.data as Record\n )?.message as string) || error?.message;\n\n const name = error?.name;\n return (\n \n \n \n \n {name as string}\n \n {message as string}\n \n \n \n );\n}\n","import { QueryErrorResetBoundary } from 'react-query';\nimport React, { ReactNode } from 'react';\nimport Spinner, { ISpinnerProps } from 'components/Blocks/FetchCard/Spinner';\nimport { range } from 'helpers/misc';\nimport { ChakraProps, FlexProps } from '@chakra-ui/react';\nimport { ErrorBoundary } from '@sentry/react';\n// import ErrorBoundaryUIComponent from './ErrorBoundary';\nimport NewErrorBoundary from './NewErrorBoundary';\n\n// interface IFallbackUIProps {\n// noButton?: boolean;\n// silently?: boolean;\n// defaultMessage?: string;\n// containerStyle?: FlexProps & ChakraProps;\n// }\n\n// const withFallbackUI = ({\n// noButton,\n// silently,\n// defaultMessage,\n// containerStyle,\n// ...rest\n// }: IFallbackUIProps & Partial): React.FC<{\n// error: Error | Record;\n// resetErrorBoundary: (...args: unknown[]) => void;\n// }> => {\n// const FallbackUI: React.FC<{\n// error: Error | Record;\n// resetErrorBoundary: (...args: unknown[]) => void;\n// }> = ({ error, resetErrorBoundary }) => (\n// \n// );\n\n// return FallbackUI;\n// };\n\ninterface ISuspenseWithErrorBoundaryProps {\n children?: ReactNode;\n containerStyle?: FlexProps & ChakraProps;\n spinnerContainerProps?: FlexProps & ChakraProps;\n SpinnerContainerWrapper?: (props: Record) => JSX.Element;\n numberToSpin?: number;\n silently?: boolean;\n defaultMessage?: string;\n noButton?: boolean;\n}\n\nexport type ISuspenseAndErrorBoundary = ISuspenseWithErrorBoundaryProps &\n ChakraProps &\n FlexProps &\n Partial;\n\nconst SuspenseWithErrorBoundary: React.FC = ({\n children,\n spinnerContainerProps = {},\n SpinnerContainerWrapper,\n numberToSpin = 1,\n silently,\n defaultMessage,\n noButton,\n ...rest\n}: ISuspenseAndErrorBoundary) => {\n const Container = SpinnerContainerWrapper;\n\n return (\n \n {({ reset }) => (\n \n \n {range(numberToSpin || 0, 1).map((index) => (\n \n ))}\n \n ) : (\n range(numberToSpin, 1).map((index) => (\n \n ))\n )\n }\n >\n {children}\n \n \n )}\n \n );\n};\n\nexport default SuspenseWithErrorBoundary;\n","/* eslint-disable max-lines */\n\nimport { DEFAULT_ENVIRONMENT, getClient } from '@sentry/core';\nimport type { DebugImage, Envelope, Event, EventEnvelope, StackFrame, StackParser, Transaction } from '@sentry/types';\nimport type { Profile, ThreadCpuProfile } from '@sentry/types/src/profiling';\nimport { GLOBAL_OBJ, browserPerformanceTimeOrigin, forEachEnvelopeItem, logger, uuid4 } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { WINDOW } from '../helpers';\nimport type { JSSelfProfile, JSSelfProfileStack, JSSelfProfiler, JSSelfProfilerConstructor } from './jsSelfProfiling';\n\nconst MS_TO_NS = 1e6;\n// Use 0 as main thread id which is identical to threadId in node:worker_threads\n// where main logs 0 and workers seem to log in increments of 1\nconst THREAD_ID_STRING = String(0);\nconst THREAD_NAME = 'main';\n\n// Machine properties (eval only once)\nlet OS_PLATFORM = '';\nlet OS_PLATFORM_VERSION = '';\nlet OS_ARCH = '';\nlet OS_BROWSER = (WINDOW.navigator && WINDOW.navigator.userAgent) || '';\nlet OS_MODEL = '';\nconst OS_LOCALE =\n (WINDOW.navigator && WINDOW.navigator.language) ||\n (WINDOW.navigator && WINDOW.navigator.languages && WINDOW.navigator.languages[0]) ||\n '';\n\ntype UAData = {\n platform?: string;\n architecture?: string;\n model?: string;\n platformVersion?: string;\n fullVersionList?: {\n brand: string;\n version: string;\n }[];\n};\n\ninterface UserAgentData {\n getHighEntropyValues: (keys: string[]) => Promise;\n}\n\nfunction isUserAgentData(data: unknown): data is UserAgentData {\n return typeof data === 'object' && data !== null && 'getHighEntropyValues' in data;\n}\n\n// @ts-expect-error userAgentData is not part of the navigator interface yet\nconst userAgentData = WINDOW.navigator && WINDOW.navigator.userAgentData;\n\nif (isUserAgentData(userAgentData)) {\n userAgentData\n .getHighEntropyValues(['architecture', 'model', 'platform', 'platformVersion', 'fullVersionList'])\n .then((ua: UAData) => {\n OS_PLATFORM = ua.platform || '';\n OS_ARCH = ua.architecture || '';\n OS_MODEL = ua.model || '';\n OS_PLATFORM_VERSION = ua.platformVersion || '';\n\n if (ua.fullVersionList && ua.fullVersionList.length > 0) {\n const firstUa = ua.fullVersionList[ua.fullVersionList.length - 1];\n OS_BROWSER = `${firstUa.brand} ${firstUa.version}`;\n }\n })\n .catch(e => void e);\n}\n\nfunction isProcessedJSSelfProfile(profile: ThreadCpuProfile | JSSelfProfile): profile is JSSelfProfile {\n return !('thread_metadata' in profile);\n}\n\n// Enriches the profile with threadId of the current thread.\n// This is done in node as we seem to not be able to get the info from C native code.\n/**\n *\n */\nexport function enrichWithThreadInformation(profile: ThreadCpuProfile | JSSelfProfile): ThreadCpuProfile {\n if (!isProcessedJSSelfProfile(profile)) {\n return profile;\n }\n\n return convertJSSelfProfileToSampledFormat(profile);\n}\n\n// Profile is marked as optional because it is deleted from the metadata\n// by the integration before the event is processed by other integrations.\nexport interface ProfiledEvent extends Event {\n sdkProcessingMetadata: {\n profile?: JSSelfProfile;\n };\n}\n\nfunction getTraceId(event: Event): string {\n const traceId: unknown = event && event.contexts && event.contexts['trace'] && event.contexts['trace']['trace_id'];\n // Log a warning if the profile has an invalid traceId (should be uuidv4).\n // All profiles and transactions are rejected if this is the case and we want to\n // warn users that this is happening if they enable debug flag\n if (typeof traceId === 'string' && traceId.length !== 32) {\n if (DEBUG_BUILD) {\n logger.log(`[Profiling] Invalid traceId: ${traceId} on profiled event`);\n }\n }\n if (typeof traceId !== 'string') {\n return '';\n }\n\n return traceId;\n}\n/**\n * Creates a profiling event envelope from a Sentry event. If profile does not pass\n * validation, returns null.\n * @param event\n * @param dsn\n * @param metadata\n * @param tunnel\n * @returns {EventEnvelope | null}\n */\n\n/**\n * Creates a profiling event envelope from a Sentry event.\n */\nexport function createProfilePayload(\n profile_id: string,\n start_timestamp: number | undefined,\n processed_profile: JSSelfProfile,\n event: ProfiledEvent,\n): Profile {\n if (event.type !== 'transaction') {\n // createProfilingEventEnvelope should only be called for transactions,\n // we type guard this behavior with isProfiledTransactionEvent.\n throw new TypeError('Profiling events may only be attached to transactions, this should never occur.');\n }\n\n if (processed_profile === undefined || processed_profile === null) {\n throw new TypeError(\n `Cannot construct profiling event envelope without a valid profile. Got ${processed_profile} instead.`,\n );\n }\n\n const traceId = getTraceId(event);\n const enrichedThreadProfile = enrichWithThreadInformation(processed_profile);\n const transactionStartMs = start_timestamp\n ? start_timestamp\n : typeof event.start_timestamp === 'number'\n ? event.start_timestamp * 1000\n : Date.now();\n const transactionEndMs = typeof event.timestamp === 'number' ? event.timestamp * 1000 : Date.now();\n\n const profile: Profile = {\n event_id: profile_id,\n timestamp: new Date(transactionStartMs).toISOString(),\n platform: 'javascript',\n version: '1',\n release: event.release || '',\n environment: event.environment || DEFAULT_ENVIRONMENT,\n runtime: {\n name: 'javascript',\n version: WINDOW.navigator.userAgent,\n },\n os: {\n name: OS_PLATFORM,\n version: OS_PLATFORM_VERSION,\n build_number: OS_BROWSER,\n },\n device: {\n locale: OS_LOCALE,\n model: OS_MODEL,\n manufacturer: OS_BROWSER,\n architecture: OS_ARCH,\n is_emulator: false,\n },\n debug_meta: {\n images: applyDebugMetadata(processed_profile.resources),\n },\n profile: enrichedThreadProfile,\n transactions: [\n {\n name: event.transaction || '',\n id: event.event_id || uuid4(),\n trace_id: traceId,\n active_thread_id: THREAD_ID_STRING,\n relative_start_ns: '0',\n relative_end_ns: ((transactionEndMs - transactionStartMs) * 1e6).toFixed(0),\n },\n ],\n };\n\n return profile;\n}\n\n/**\n *\n */\nexport function isProfiledTransactionEvent(event: Event): event is ProfiledEvent {\n return !!(event.sdkProcessingMetadata && event.sdkProcessingMetadata['profile']);\n}\n\n/*\n See packages/tracing-internal/src/browser/router.ts\n*/\n/**\n *\n */\nexport function isAutomatedPageLoadTransaction(transaction: Transaction): boolean {\n return transaction.op === 'pageload';\n}\n\n/**\n * Converts a JSSelfProfile to a our sampled format.\n * Does not currently perform stack indexing.\n */\nexport function convertJSSelfProfileToSampledFormat(input: JSSelfProfile): Profile['profile'] {\n let EMPTY_STACK_ID: undefined | number = undefined;\n let STACK_ID = 0;\n\n // Initialize the profile that we will fill with data\n const profile: Profile['profile'] = {\n samples: [],\n stacks: [],\n frames: [],\n thread_metadata: {\n [THREAD_ID_STRING]: { name: THREAD_NAME },\n },\n };\n\n if (!input.samples.length) {\n return profile;\n }\n\n // We assert samples.length > 0 above and timestamp should always be present\n const start = input.samples[0].timestamp;\n // The JS SDK might change it's time origin based on some heuristic (see See packages/utils/src/time.ts)\n // when that happens, we need to ensure we are correcting the profile timings so the two timelines stay in sync.\n // Since JS self profiling time origin is always initialized to performance.timeOrigin, we need to adjust for\n // the drift between the SDK selected value and our profile time origin.\n const origin =\n typeof performance.timeOrigin === 'number' ? performance.timeOrigin : browserPerformanceTimeOrigin || 0;\n const adjustForOriginChange = origin - (browserPerformanceTimeOrigin || origin);\n\n for (let i = 0; i < input.samples.length; i++) {\n const jsSample = input.samples[i];\n\n // If sample has no stack, add an empty sample\n if (jsSample.stackId === undefined) {\n if (EMPTY_STACK_ID === undefined) {\n EMPTY_STACK_ID = STACK_ID;\n profile.stacks[EMPTY_STACK_ID] = [];\n STACK_ID++;\n }\n\n profile['samples'][i] = {\n // convert ms timestamp to ns\n elapsed_since_start_ns: ((jsSample.timestamp + adjustForOriginChange - start) * MS_TO_NS).toFixed(0),\n stack_id: EMPTY_STACK_ID,\n thread_id: THREAD_ID_STRING,\n };\n continue;\n }\n\n let stackTop: JSSelfProfileStack | undefined = input.stacks[jsSample.stackId];\n\n // Functions in top->down order (root is last)\n // We follow the stackTop.parentId trail and collect each visited frameId\n const stack: number[] = [];\n\n while (stackTop) {\n stack.push(stackTop.frameId);\n\n const frame = input.frames[stackTop.frameId];\n\n // If our frame has not been indexed yet, index it\n if (profile.frames[stackTop.frameId] === undefined) {\n profile.frames[stackTop.frameId] = {\n function: frame.name,\n abs_path: typeof frame.resourceId === 'number' ? input.resources[frame.resourceId] : undefined,\n lineno: frame.line,\n colno: frame.column,\n };\n }\n\n stackTop = stackTop.parentId === undefined ? undefined : input.stacks[stackTop.parentId];\n }\n\n const sample: Profile['profile']['samples'][0] = {\n // convert ms timestamp to ns\n elapsed_since_start_ns: ((jsSample.timestamp + adjustForOriginChange - start) * MS_TO_NS).toFixed(0),\n stack_id: STACK_ID,\n thread_id: THREAD_ID_STRING,\n };\n\n profile['stacks'][STACK_ID] = stack;\n profile['samples'][i] = sample;\n STACK_ID++;\n }\n\n return profile;\n}\n\n/**\n * Adds items to envelope if they are not already present - mutates the envelope.\n * @param envelope\n */\nexport function addProfilesToEnvelope(envelope: EventEnvelope, profiles: Profile[]): Envelope {\n if (!profiles.length) {\n return envelope;\n }\n\n for (const profile of profiles) {\n envelope[1].push([{ type: 'profile' }, profile]);\n }\n return envelope;\n}\n\n/**\n * Finds transactions with profile_id context in the envelope\n * @param envelope\n * @returns\n */\nexport function findProfiledTransactionsFromEnvelope(envelope: Envelope): Event[] {\n const events: Event[] = [];\n\n forEachEnvelopeItem(envelope, (item, type) => {\n if (type !== 'transaction') {\n return;\n }\n\n for (let j = 1; j < item.length; j++) {\n const event = item[j] as Event;\n\n if (event && event.contexts && event.contexts['profile'] && event.contexts['profile']['profile_id']) {\n events.push(item[j] as Event);\n }\n }\n });\n\n return events;\n}\n\nconst debugIdStackParserCache = new WeakMap>();\n/**\n * Applies debug meta data to an event from a list of paths to resources (sourcemaps)\n */\nexport function applyDebugMetadata(resource_paths: ReadonlyArray): DebugImage[] {\n const debugIdMap = GLOBAL_OBJ._sentryDebugIds;\n\n if (!debugIdMap) {\n return [];\n }\n\n const client = getClient();\n const options = client && client.getOptions();\n const stackParser = options && options.stackParser;\n\n if (!stackParser) {\n return [];\n }\n\n let debugIdStackFramesCache: Map;\n const cachedDebugIdStackFrameCache = debugIdStackParserCache.get(stackParser);\n if (cachedDebugIdStackFrameCache) {\n debugIdStackFramesCache = cachedDebugIdStackFrameCache;\n } else {\n debugIdStackFramesCache = new Map();\n debugIdStackParserCache.set(stackParser, debugIdStackFramesCache);\n }\n\n // Build a map of filename -> debug_id\n const filenameDebugIdMap = Object.keys(debugIdMap).reduce>((acc, debugIdStackTrace) => {\n let parsedStack: StackFrame[];\n\n const cachedParsedStack = debugIdStackFramesCache.get(debugIdStackTrace);\n if (cachedParsedStack) {\n parsedStack = cachedParsedStack;\n } else {\n parsedStack = stackParser(debugIdStackTrace);\n debugIdStackFramesCache.set(debugIdStackTrace, parsedStack);\n }\n\n for (let i = parsedStack.length - 1; i >= 0; i--) {\n const stackFrame = parsedStack[i];\n const file = stackFrame && stackFrame.filename;\n\n if (stackFrame && file) {\n acc[file] = debugIdMap[debugIdStackTrace] as string;\n break;\n }\n }\n return acc;\n }, {});\n\n const images: DebugImage[] = [];\n for (const path of resource_paths) {\n if (path && filenameDebugIdMap[path]) {\n images.push({\n type: 'sourcemap',\n code_file: path,\n debug_id: filenameDebugIdMap[path] as string,\n });\n }\n }\n\n return images;\n}\n\n/**\n * Checks the given sample rate to make sure it is valid type and value (a boolean, or a number between 0 and 1).\n */\nexport function isValidSampleRate(rate: unknown): boolean {\n // we need to check NaN explicitly because it's of type 'number' and therefore wouldn't get caught by this typecheck\n if ((typeof rate !== 'number' && typeof rate !== 'boolean') || (typeof rate === 'number' && isNaN(rate))) {\n DEBUG_BUILD &&\n logger.warn(\n `[Profiling] Invalid sample rate. Sample rate must be a boolean or a number between 0 and 1. Got ${JSON.stringify(\n rate,\n )} of type ${JSON.stringify(typeof rate)}.`,\n );\n return false;\n }\n\n // Boolean sample rates are always valid\n if (rate === true || rate === false) {\n return true;\n }\n\n // in case sampleRate is a boolean, it will get automatically cast to 1 if it's true and 0 if it's false\n if (rate < 0 || rate > 1) {\n DEBUG_BUILD && logger.warn(`[Profiling] Invalid sample rate. Sample rate must be between 0 and 1. Got ${rate}.`);\n return false;\n }\n return true;\n}\n\nfunction isValidProfile(profile: JSSelfProfile): profile is JSSelfProfile & { profile_id: string } {\n if (profile.samples.length < 2) {\n if (DEBUG_BUILD) {\n // Log a warning if the profile has less than 2 samples so users can know why\n // they are not seeing any profiling data and we cant avoid the back and forth\n // of asking them to provide us with a dump of the profile data.\n logger.log('[Profiling] Discarding profile because it contains less than 2 samples');\n }\n return false;\n }\n\n if (!profile.frames.length) {\n if (DEBUG_BUILD) {\n logger.log('[Profiling] Discarding profile because it contains no frames');\n }\n return false;\n }\n\n return true;\n}\n\n// Keep a flag value to avoid re-initializing the profiler constructor. If it fails\n// once, it will always fail and this allows us to early return.\nlet PROFILING_CONSTRUCTOR_FAILED: boolean = false;\nexport const MAX_PROFILE_DURATION_MS = 30_000;\n\n/**\n * Check if profiler constructor is available.\n * @param maybeProfiler\n */\nfunction isJSProfilerSupported(maybeProfiler: unknown): maybeProfiler is typeof JSSelfProfilerConstructor {\n return typeof maybeProfiler === 'function';\n}\n\n/**\n * Starts the profiler and returns the profiler instance.\n */\nexport function startJSSelfProfile(): JSSelfProfiler | undefined {\n // Feature support check first\n const JSProfilerConstructor = WINDOW.Profiler;\n\n if (!isJSProfilerSupported(JSProfilerConstructor)) {\n if (DEBUG_BUILD) {\n logger.log(\n '[Profiling] Profiling is not supported by this browser, Profiler interface missing on window object.',\n );\n }\n return;\n }\n\n // From initial testing, it seems that the minimum value for sampleInterval is 10ms.\n const samplingIntervalMS = 10;\n // Start the profiler\n const maxSamples = Math.floor(MAX_PROFILE_DURATION_MS / samplingIntervalMS);\n\n // Attempt to initialize the profiler constructor, if it fails, we disable profiling for the current user session.\n // This is likely due to a missing 'Document-Policy': 'js-profiling' header. We do not want to throw an error if this happens\n // as we risk breaking the user's application, so just disable profiling and log an error.\n try {\n return new JSProfilerConstructor({ sampleInterval: samplingIntervalMS, maxBufferSize: maxSamples });\n } catch (e) {\n if (DEBUG_BUILD) {\n logger.log(\n \"[Profiling] Failed to initialize the Profiling constructor, this is likely due to a missing 'Document-Policy': 'js-profiling' header.\",\n );\n logger.log('[Profiling] Disabling profiling for current user session.');\n }\n PROFILING_CONSTRUCTOR_FAILED = true;\n }\n\n return;\n}\n\n/**\n * Determine if a profile should be profiled.\n */\nexport function shouldProfileTransaction(transaction: Transaction): boolean {\n // If constructor failed once, it will always fail, so we can early return.\n if (PROFILING_CONSTRUCTOR_FAILED) {\n if (DEBUG_BUILD) {\n logger.log('[Profiling] Profiling has been disabled for the duration of the current user session.');\n }\n return false;\n }\n\n if (!transaction.isRecording()) {\n if (DEBUG_BUILD) {\n logger.log('[Profiling] Discarding profile because transaction was not sampled.');\n }\n return false;\n }\n\n const client = getClient();\n const options = client && client.getOptions();\n if (!options) {\n DEBUG_BUILD && logger.log('[Profiling] Profiling disabled, no options found.');\n return false;\n }\n\n // @ts-expect-error profilesSampleRate is not part of the browser options yet\n const profilesSampleRate: number | boolean | undefined = options.profilesSampleRate;\n\n // Since this is coming from the user (or from a function provided by the user), who knows what we might get. (The\n // only valid values are booleans or numbers between 0 and 1.)\n if (!isValidSampleRate(profilesSampleRate)) {\n DEBUG_BUILD && logger.warn('[Profiling] Discarding profile because of invalid sample rate.');\n return false;\n }\n\n // if the function returned 0 (or false), or if `profileSampleRate` is 0, it's a sign the profile should be dropped\n if (!profilesSampleRate) {\n DEBUG_BUILD &&\n logger.log(\n '[Profiling] Discarding profile because a negative sampling decision was inherited or profileSampleRate is set to 0',\n );\n return false;\n }\n\n // Now we roll the dice. Math.random is inclusive of 0, but not of 1, so strict < is safe here. In case sampleRate is\n // a boolean, the < comparison will cause it to be automatically cast to 1 if it's true and 0 if it's false.\n const sampled = profilesSampleRate === true ? true : Math.random() < profilesSampleRate;\n // Check if we should sample this profile\n if (!sampled) {\n DEBUG_BUILD &&\n logger.log(\n `[Profiling] Discarding profile because it's not included in the random sample (sampling rate = ${Number(\n profilesSampleRate,\n )})`,\n );\n return false;\n }\n\n return true;\n}\n\n/**\n * Creates a profiling envelope item, if the profile does not pass validation, returns null.\n * @param event\n * @returns {Profile | null}\n */\nexport function createProfilingEvent(\n profile_id: string,\n start_timestamp: number | undefined,\n profile: JSSelfProfile,\n event: ProfiledEvent,\n): Profile | null {\n if (!isValidProfile(profile)) {\n return null;\n }\n\n return createProfilePayload(profile_id, start_timestamp, profile, event);\n}\n\n// TODO (v8): We need to obtain profile ids in @sentry-internal/tracing,\n// but we don't have access to this map because importing this map would\n// cause a circular dependancy. We need to resolve this in v8.\nconst PROFILE_MAP: Map = new Map();\n/**\n *\n */\nexport function getActiveProfilesCount(): number {\n return PROFILE_MAP.size;\n}\n\n/**\n * Retrieves profile from global cache and removes it.\n */\nexport function takeProfileFromGlobalCache(profile_id: string): JSSelfProfile | undefined {\n const profile = PROFILE_MAP.get(profile_id);\n if (profile) {\n PROFILE_MAP.delete(profile_id);\n }\n return profile;\n}\n/**\n * Adds profile to global cache and evicts the oldest profile if the cache is full.\n */\nexport function addProfileToGlobalCache(profile_id: string, profile: JSSelfProfile): void {\n PROFILE_MAP.set(profile_id, profile);\n\n if (PROFILE_MAP.size > 30) {\n const last: string = PROFILE_MAP.keys().next().value;\n PROFILE_MAP.delete(last);\n }\n}\n","/* eslint-disable complexity */\nimport { spanToJSON } from '@sentry/core';\nimport type { Transaction } from '@sentry/types';\nimport { logger, timestampInSeconds, uuid4 } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { WINDOW } from '../helpers';\nimport type { JSSelfProfile } from './jsSelfProfiling';\nimport {\n MAX_PROFILE_DURATION_MS,\n addProfileToGlobalCache,\n isAutomatedPageLoadTransaction,\n shouldProfileTransaction,\n startJSSelfProfile,\n} from './utils';\n\n/**\n * Safety wrapper for startTransaction for the unlikely case that transaction starts before tracing is imported -\n * if that happens we want to avoid throwing an error from profiling code.\n * see https://github.com/getsentry/sentry-javascript/issues/4731.\n *\n * @experimental\n */\nexport function onProfilingStartRouteTransaction(transaction: Transaction | undefined): Transaction | undefined {\n if (!transaction) {\n if (DEBUG_BUILD) {\n logger.log('[Profiling] Transaction is undefined, skipping profiling');\n }\n return transaction;\n }\n\n if (shouldProfileTransaction(transaction)) {\n return startProfileForTransaction(transaction);\n }\n\n return transaction;\n}\n\n/**\n * Wraps startTransaction and stopTransaction with profiling related logic.\n * startProfileForTransaction is called after the call to startTransaction in order to avoid our own code from\n * being profiled. Because of that same reason, stopProfiling is called before the call to stopTransaction.\n */\nexport function startProfileForTransaction(transaction: Transaction): Transaction {\n // Start the profiler and get the profiler instance.\n let startTimestamp: number | undefined;\n if (isAutomatedPageLoadTransaction(transaction)) {\n startTimestamp = timestampInSeconds() * 1000;\n }\n\n const profiler = startJSSelfProfile();\n\n // We failed to construct the profiler, fallback to original transaction.\n // No need to log anything as this has already been logged in startProfile.\n if (!profiler) {\n return transaction;\n }\n\n if (DEBUG_BUILD) {\n logger.log(`[Profiling] started profiling transaction: ${spanToJSON(transaction).description}`);\n }\n\n // We create \"unique\" transaction names to avoid concurrent transactions with same names\n // from being ignored by the profiler. From here on, only this transaction name should be used when\n // calling the profiler methods. Note: we log the original name to the user to avoid confusion.\n const profileId = uuid4();\n\n // A couple of important things to note here:\n // `CpuProfilerBindings.stopProfiling` will be scheduled to run in 30seconds in order to exceed max profile duration.\n // Whichever of the two (transaction.finish/timeout) is first to run, the profiling will be stopped and the gathered profile\n // will be processed when the original transaction is finished. Since onProfileHandler can be invoked multiple times in the\n // event of an error or user mistake (calling transaction.finish multiple times), it is important that the behavior of onProfileHandler\n // is idempotent as we do not want any timings or profiles to be overriden by the last call to onProfileHandler.\n // After the original finish method is called, the event will be reported through the integration and delegated to transport.\n const processedProfile: JSSelfProfile | null = null;\n\n /**\n * Idempotent handler for profile stop\n */\n async function onProfileHandler(): Promise {\n // Check if the profile exists and return it the behavior has to be idempotent as users may call transaction.finish multiple times.\n if (!transaction) {\n return null;\n }\n // Satisfy the type checker, but profiler will always be defined here.\n if (!profiler) {\n return null;\n }\n if (processedProfile) {\n if (DEBUG_BUILD) {\n logger.log('[Profiling] profile for:', spanToJSON(transaction).description, 'already exists, returning early');\n }\n return null;\n }\n\n return profiler\n .stop()\n .then((profile: JSSelfProfile): null => {\n if (maxDurationTimeoutID) {\n WINDOW.clearTimeout(maxDurationTimeoutID);\n maxDurationTimeoutID = undefined;\n }\n\n if (DEBUG_BUILD) {\n logger.log(`[Profiling] stopped profiling of transaction: ${spanToJSON(transaction).description}`);\n }\n\n // In case of an overlapping transaction, stopProfiling may return null and silently ignore the overlapping profile.\n if (!profile) {\n if (DEBUG_BUILD) {\n logger.log(\n `[Profiling] profiler returned null profile for: ${spanToJSON(transaction).description}`,\n 'this may indicate an overlapping transaction or a call to stopProfiling with a profile title that was never started',\n );\n }\n return null;\n }\n\n addProfileToGlobalCache(profileId, profile);\n return null;\n })\n .catch(error => {\n if (DEBUG_BUILD) {\n logger.log('[Profiling] error while stopping profiler:', error);\n }\n return null;\n });\n }\n\n // Enqueue a timeout to prevent profiles from running over max duration.\n let maxDurationTimeoutID: number | undefined = WINDOW.setTimeout(() => {\n if (DEBUG_BUILD) {\n logger.log(\n '[Profiling] max profile duration elapsed, stopping profiling for:',\n spanToJSON(transaction).description,\n );\n }\n // If the timeout exceeds, we want to stop profiling, but not finish the transaction\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n onProfileHandler();\n }, MAX_PROFILE_DURATION_MS);\n\n // We need to reference the original end call to avoid creating an infinite loop\n const originalEnd = transaction.end.bind(transaction);\n\n /**\n * Wraps startTransaction and stopTransaction with profiling related logic.\n * startProfiling is called after the call to startTransaction in order to avoid our own code from\n * being profiled. Because of that same reason, stopProfiling is called before the call to stopTransaction.\n */\n function profilingWrappedTransactionEnd(): Transaction {\n if (!transaction) {\n return originalEnd();\n }\n // onProfileHandler should always return the same profile even if this is called multiple times.\n // Always call onProfileHandler to ensure stopProfiling is called and the timeout is cleared.\n void onProfileHandler().then(\n () => {\n // TODO: Can we rewrite this to use attributes?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setContext('profile', { profile_id: profileId, start_timestamp: startTimestamp });\n originalEnd();\n },\n () => {\n // If onProfileHandler fails, we still want to call the original finish method.\n originalEnd();\n },\n );\n\n return transaction;\n }\n\n transaction.end = profilingWrappedTransactionEnd;\n return transaction;\n}\n","import { convertIntegrationFnToClass, defineIntegration, getCurrentScope } from '@sentry/core';\nimport type { Client, EventEnvelope, Integration, IntegrationClass, IntegrationFn, Transaction } from '@sentry/types';\nimport type { Profile } from '@sentry/types/src/profiling';\nimport { logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { startProfileForTransaction } from './hubextensions';\nimport type { ProfiledEvent } from './utils';\nimport {\n addProfilesToEnvelope,\n createProfilingEvent,\n findProfiledTransactionsFromEnvelope,\n getActiveProfilesCount,\n isAutomatedPageLoadTransaction,\n shouldProfileTransaction,\n takeProfileFromGlobalCache,\n} from './utils';\n\nconst INTEGRATION_NAME = 'BrowserProfiling';\n\nconst _browserProfilingIntegration = (() => {\n return {\n name: INTEGRATION_NAME,\n // TODO v8: Remove this\n setupOnce() {}, // eslint-disable-line @typescript-eslint/no-empty-function\n setup(client) {\n const scope = getCurrentScope();\n\n // eslint-disable-next-line deprecation/deprecation\n const transaction = scope.getTransaction();\n\n if (transaction && isAutomatedPageLoadTransaction(transaction)) {\n if (shouldProfileTransaction(transaction)) {\n startProfileForTransaction(transaction);\n }\n }\n\n if (typeof client.on !== 'function') {\n logger.warn('[Profiling] Client does not support hooks, profiling will be disabled');\n return;\n }\n\n client.on('startTransaction', (transaction: Transaction) => {\n if (shouldProfileTransaction(transaction)) {\n startProfileForTransaction(transaction);\n }\n });\n\n client.on('beforeEnvelope', (envelope): void => {\n // if not profiles are in queue, there is nothing to add to the envelope.\n if (!getActiveProfilesCount()) {\n return;\n }\n\n const profiledTransactionEvents = findProfiledTransactionsFromEnvelope(envelope);\n if (!profiledTransactionEvents.length) {\n return;\n }\n\n const profilesToAddToEnvelope: Profile[] = [];\n\n for (const profiledTransaction of profiledTransactionEvents) {\n const context = profiledTransaction && profiledTransaction.contexts;\n const profile_id = context && context['profile'] && context['profile']['profile_id'];\n const start_timestamp = context && context['profile'] && context['profile']['start_timestamp'];\n\n if (typeof profile_id !== 'string') {\n DEBUG_BUILD && logger.log('[Profiling] cannot find profile for a transaction without a profile context');\n continue;\n }\n\n if (!profile_id) {\n DEBUG_BUILD && logger.log('[Profiling] cannot find profile for a transaction without a profile context');\n continue;\n }\n\n // Remove the profile from the transaction context before sending, relay will take care of the rest.\n if (context && context['profile']) {\n delete context.profile;\n }\n\n const profile = takeProfileFromGlobalCache(profile_id);\n if (!profile) {\n DEBUG_BUILD && logger.log(`[Profiling] Could not retrieve profile for transaction: ${profile_id}`);\n continue;\n }\n\n const profileEvent = createProfilingEvent(\n profile_id,\n start_timestamp as number | undefined,\n profile,\n profiledTransaction as ProfiledEvent,\n );\n if (profileEvent) {\n profilesToAddToEnvelope.push(profileEvent);\n }\n }\n\n addProfilesToEnvelope(envelope as EventEnvelope, profilesToAddToEnvelope);\n });\n },\n };\n}) satisfies IntegrationFn;\n\nexport const browserProfilingIntegration = defineIntegration(_browserProfilingIntegration);\n\n/**\n * Browser profiling integration. Stores any event that has contexts[\"profile\"][\"profile_id\"]\n * This exists because we do not want to await async profiler.stop calls as transaction.finish is called\n * in a synchronous context. Instead, we handle sending the profile async from the promise callback and\n * rely on being able to pull the event from the cache when we need to construct the envelope. This makes the\n * integration less reliable as we might be dropping profiles when the cache is full.\n *\n * @experimental\n * @deprecated Use `browserProfilingIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const BrowserProfilingIntegration = convertIntegrationFnToClass(\n INTEGRATION_NAME,\n browserProfilingIntegration,\n) as IntegrationClass void }>;\n\n// eslint-disable-next-line deprecation/deprecation\nexport type BrowserProfilingIntegration = typeof BrowserProfilingIntegration;\n","/* eslint-disable no-console */\nimport * as Sentry from '@sentry/react';\nimport { AUTH_API, BUYER_API, FMS_API } from 'utils/envs';\nimport { Primitive } from 'zod';\nimport { useAuthStore, IUseAuthStore } from 'stores/auth/index';\n\nconst getUser = () => {\n const authState: IUseAuthStore = useAuthStore.getState();\n\n if (authState.user) {\n return {\n _id: authState.user._id,\n name: `${authState.user.firstName} ${authState.user.lastName}`,\n landOwner: authState.user.isLandOwner,\n roles: JSON.stringify(authState.user.roles),\n };\n }\n return null;\n};\nconst logger = {\n inform: (\n level: 'info' | 'debug' | 'warning',\n message: string,\n tags: Record,\n context: Record\n ) => {\n Sentry.setContext('Additional Data', context);\n\n for (const key in tags) {\n if (Object.hasOwnProperty.call(tags, key)) {\n Sentry.setTag(key, tags[key]);\n }\n }\n const preparedMessage = `${level.toUpperCase()} -- ${message.toUpperCase()}`;\n Sentry.captureMessage(preparedMessage, {\n level,\n });\n },\n\n handleError: (\n level: 'error' | 'fatal',\n error: unknown,\n tags: Record,\n context: Record\n ) => {\n Sentry.withScope((scope) => {\n context.user = getUser();\n scope.setExtra('Additional', context);\n for (const key in tags) {\n if (Object.hasOwnProperty.call(tags, key)) {\n scope.setTag(key, tags[key]);\n }\n }\n Sentry.captureException(error, { level });\n });\n },\n\n initialize: (routingInstrumentation) => {\n try {\n Sentry.init({\n environment: process.env.REACT_APP_ENVIRONMENT,\n dsn: process.env.REACT_APP_SENTRY_DSN,\n\n integrations: [\n new Sentry.BrowserProfilingIntegration(),\n Sentry.browserTracingIntegration({\n tracingOrigins: [AUTH_API, BUYER_API, FMS_API],\n }),\n routingInstrumentation,\n ],\n tracesSampleRate: 1.0,\n tracePropagationTargets:\n process.env.REACT_APP_ENVIRONMENT === 'LOCAL'\n ? [AUTH_API, BUYER_API, FMS_API]\n : [/^https:\\/\\//],\n autoSessionTracking: true,\n beforeSend(event) {\n const isHttpError =\n (\n event.exception?.values?.[0]?.value as {\n response?: { status: number };\n status?: number;\n }\n )?.response?.status ||\n (\n (\n event.exception?.values?.[0] as unknown as {\n value: { status: number };\n }\n )?.value as {\n status: number;\n }\n )?.status;\n\n // Don't send HTTP errors to Sentry\n if (isHttpError) {\n return null;\n }\n\n return event;\n },\n });\n } catch (error) {\n console.log('Sentry Error => ', error);\n }\n },\n};\n\nexport default logger;\n","import type { BrowserOptions } from '@sentry/browser';\nimport { init as browserInit } from '@sentry/browser';\nimport { applySdkMetadata } from '@sentry/core';\n\n/**\n * Inits the React SDK\n */\nexport function init(options: BrowserOptions): void {\n const opts = {\n ...options,\n };\n\n applySdkMetadata(opts, 'react');\n\n browserInit(opts);\n}\n","import configs from 'utils/configs';\nimport _, { isEmpty } from 'lodash';\nimport moment from 'moment';\nimport { t } from 'typy';\nimport * as turf from '@turf/turf';\nimport Axios from 'axios';\nimport fileDownload from 'js-file-download';\nimport { saveAs as save } from 'file-saver';\nimport { createStandaloneToast } from '@chakra-ui/react';\nimport { Units } from '@turf/turf';\nimport { IConversation, IMessage } from 'utils/interfaces/conversation';\nimport { IEosHistoricalWeather } from '../utils/interfaces/eos-weather-world-forecast';\n\nexport function ConversationSortByDate(a?: IConversation, b?: IConversation) {\n return (\n new Date(b?.createdAt as string | number).getTime() -\n new Date(a?.createdAt as string | number).getTime()\n );\n}\n\nexport function MessageSortByDate(a?: IMessage, b?: IMessage) {\n return (\n new Date(a?.createdAt as string | number).getTime() -\n new Date(b?.createdAt as string | number).getTime()\n );\n}\n\nconst { toast } = createStandaloneToast({\n defaultOptions: {\n duration: 2000,\n position: 'top-right',\n isClosable: true,\n },\n});\n\nexport function isInThePast(date: Date) {\n const today = new Date();\n\n // 👇️ OPTIONAL!\n // This line sets the hour of the current date to midnight\n // so the comparison only returns `true` if the passed in date\n // is at least yesterday\n\n return date < today;\n}\n\n/**\n * @author Whitson\n * @param condition\n * @param trueValue\n * @param falseValue\n * @returns\n */\nexport const flowDecision = (\n condition: boolean,\n trueValue: unknown,\n falseValue: unknown\n) => {\n if (condition) {\n return trueValue;\n }\n return falseValue;\n};\n\n// eslint-disable-next-line sonarjs/cognitive-complexity\nexport const toastError = (err: unknown) => {\n const test = 'Unexpected network error.';\n if (err) {\n const error: Record = err as Record;\n let description = `${\n // @ts-ignore\n // eslint-disable-next-line @typescript-eslint/restrict-template-expressions\n error?.data?.message ||\n error?.message ||\n error ||\n 'Unknown error occurred'\n }.`;\n if (error?.errorType && error?.errorType === 'validationError') {\n description = error.errorMessage as string;\n }\n\n if (toast && !toast.isActive(description)) {\n toast({\n id: description,\n status: 'error',\n duration: 2000,\n isClosable: true,\n position: 'top-right',\n title: 'An error occurred.',\n description,\n });\n }\n } else if (toast && !toast.isActive(test)) {\n toast({\n id: test,\n status: 'error',\n duration: 2000,\n isClosable: true,\n position: 'top-right',\n title: 'An error occurred.',\n description: test,\n });\n }\n};\n\nfunction getCookie(name: string): string | null {\n const value = `; ${document.cookie}`;\n const parts = value.split(`; ${name}=`);\n if (parts.length === 2) return parts.pop()?.split(';').shift() ?? null;\n return null;\n}\n\nexport const getFileExtension = (url: string) =>\n url?.split(/[#?]/)?.[0]?.split('.')?.pop()?.trim();\n\nexport const downloadFile = async (url: string, filename: string) => {\n const accessToken = getCookie('access_token') as string;\n try {\n const response: Record = await Axios.get(url, {\n responseType: 'blob',\n headers: { Authorization: `Bearer ${accessToken}` },\n });\n return fileDownload(response?.data as Blob, filename);\n } catch (error) {\n toastError(error);\n }\n};\n\nexport const downloader = (\n fileURL: string,\n fileName: string,\n fileType: string\n) => {\n fetch(fileURL, {\n method: 'GET',\n headers: {\n 'Content-Type': fileType,\n },\n })\n .then((response) => response.blob())\n .then((blob) => {\n // Create blob link to download\n const url = window.URL.createObjectURL(new Blob([blob]));\n const link = document.createElement('a');\n link.href = url;\n link.setAttribute('download', fileName);\n // Append to html link element page\n document.body.appendChild(link);\n // Start download\n link.click();\n // Clean up and remove the link\n if (link.parentNode) {\n link.parentNode.removeChild(link);\n }\n })\n .catch((err) => {\n toastError(err);\n });\n};\n\nexport const getTempMetrics = (data: IEosHistoricalWeather[]) =>\n data.map((item) => (item.temperature_min + item.temperature_max) / 2);\n\nexport const getWeatherMetrics = (\n data: IEosHistoricalWeather[],\n name: keyof IEosHistoricalWeather\n) => data.map((item) => item[name]);\n\nexport const distanceBetweenTwoPoints = (\n fromPoint: { latitude: string; longitude: string },\n toPoint: { latitude: number; longitude: number },\n units = 'kilometers'\n) => {\n const latitude = parseFloat(fromPoint.latitude);\n const longitude = parseFloat(fromPoint.longitude);\n const from = turf.point([longitude, latitude]);\n const to = turf.point([toPoint.longitude, toPoint.latitude]);\n const options = { units } as { units: Units };\n return turf.distance(from, to, options);\n};\n\nconst { CALENDLY_TOKEN, AUTH_SERVICE } = configs();\nexport const replaceURI = () =>\n window.location.replace(`${AUTH_SERVICE as string}/auth/login?qv=grower`);\n\nexport const between = (x: number, min: number, max: number) =>\n x >= min && x <= max;\nexport const clean = (obj: T) => {\n // eslint-disable-next-line no-restricted-syntax\n for (const propName in obj) {\n if (\n obj[propName] === null ||\n obj[propName] === undefined ||\n (isEmpty(obj[propName]) &&\n typeof obj[propName] !== 'number' &&\n typeof obj[propName] !== 'function' &&\n typeof obj[propName] !== 'boolean')\n ) {\n delete obj[propName];\n }\n }\n return obj as Partial;\n};\n\nexport const ePv = (basePixelValue: number | string) => {\n if (typeof basePixelValue === 'string') {\n return basePixelValue;\n }\n\n return basePixelValue;\n};\n\nexport const reduceToGroups = (\n array: T[],\n key: string,\n keysToPush = []\n) =>\n array?.reduce((categories: Record, item: T) => {\n const category = categories[t(item, key).safeObject as string] || [];\n if (keysToPush.length > 0) {\n const newObj = {};\n for (let index = 0; index < keysToPush.length; index + 1) {\n newObj[keysToPush[index]] = item[keysToPush[index]];\n }\n category.push(newObj as T);\n } else {\n category.push(item);\n }\n categories[t(item, key).safeObject as string] = category;\n return categories;\n }, {});\n\nexport const fileToBase64 = (file: Blob) =>\n new Promise((resolve, reject) => {\n const reader = new window.FileReader();\n reader.readAsDataURL(file);\n reader.onload = () => resolve(reader.result);\n reader.onerror = (e) => reject(e);\n });\n\nexport const isNumberKey = (evt: KeyboardEvent) => {\n const charCode = evt.which ? evt.which : evt.keyCode;\n return !(\n charCode !== 46 &&\n charCode > 31 &&\n (charCode < 48 || charCode > 57)\n );\n};\n\nexport const objDiff = (\n obj: Record,\n _base: object | Record\n) => {\n function changes(\n object: Record,\n base: object | Record\n ) {\n return _.transform(object, (result: object, value, key) => {\n if (!_.isEqual(value, base[key]) && result) {\n result[key] =\n _.isObject(value) && _.isObject(base[key])\n ? changes(\n value as Record,\n base[key] as Record\n )\n : value;\n }\n });\n }\n\n return changes(obj, _base) as Partial;\n};\n\nexport const getformattedDate = (\n date: Date,\n options = {\n day: 'numeric',\n month: 'short',\n year: 'numeric',\n }\n) =>\n new Date(date).toLocaleDateString(\n 'en-GB',\n options as Intl.DateTimeFormatOptions\n );\n\nexport const getFormattedMoney = (val: number, withCurrency?: boolean) => {\n let number = val;\n if (Number.isNaN(val)) {\n number = 0;\n }\n const newFMondy = new Intl.NumberFormat('en-US', {\n style: 'currency',\n currency: 'USD',\n }).format(number);\n const formatted = !withCurrency ? newFMondy.split('$')[1] : newFMondy;\n if (formatted?.split('.')?.[1]?.length > 0) {\n return formatted;\n }\n return formatted.split('.')?.[0];\n};\n\nexport const dateDiff = (olddate: moment.MomentInput) =>\n moment().diff(olddate, 'years', false);\n\nexport const toSentenceCase = (value: string) =>\n `${value?.charAt(0)?.toUpperCase()}${value?.slice(1)}`;\n\nexport const fetchData = async (\n path: RequestInfo | URL,\n config: RequestInit | undefined\n) => {\n const response = await fetch(path, config);\n return response.json();\n};\n\nexport const getCalendlyDate = (url: string) =>\n fetchData(url, {\n headers: { Authorization: `Bearer ${CALENDLY_TOKEN as string}` },\n });\n\nexport const sliceIntoChunks = (arr: T[], chunkSize: number) => {\n const res: T[][] = [];\n for (let i = 0; i < arr?.length; i += chunkSize) {\n const chunk = arr?.slice(i, i + chunkSize);\n res.push(chunk);\n }\n return res;\n};\n\nexport const humanFileSize = (bytes: number, dp = 1) => {\n const thresh = 1024;\n\n if (Math.abs(bytes) < thresh) {\n return `${bytes} B`;\n }\n\n const units = ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];\n let u = -1;\n const r = 10 ** dp;\n\n let BYTES = bytes;\n do {\n BYTES /= thresh;\n // eslint-disable-next-line no-plusplus\n ++u;\n } while (\n Math.round(Math.abs(BYTES) * r) / r >= thresh &&\n u < units.length - 1\n );\n\n return `${BYTES.toFixed(dp)} ${units[u]}`;\n};\n\nexport const getFileType = (type: string) => {\n const Type = type.split('/');\n if (Type[0] === 'image') {\n return 'img';\n }\n if (Type[0] === 'video') {\n return 'vid';\n }\n return 'doc';\n};\n\nexport const range = (end: number, start = 0, value = 1) =>\n Array(end - start + 1)\n .fill(value)\n .map((ctx, idx) => start + idx);\n\nexport const TexTruncation = (length: number, string: string) =>\n string?.substring(0, length);\n\nexport const textTruncate = (length: number, string: string) => {\n const truncatedText = `${string?.substring(0, length)} ...`;\n return string?.length >= length ? truncatedText : string;\n};\n\nexport const embedUrl = (text: string, url: string) =>\n `${text}`;\n\nexport const toastSuccess = (title: string, message?: string) => {\n const msg = `${title}${message || 'Success'}`;\n if (!toast.isActive(msg)) {\n toast({\n id: msg,\n title: message || 'Success',\n isClosable: true,\n description: title || '',\n status: 'success',\n duration: 5000,\n position: 'top-right',\n });\n }\n};\nexport const kelvinToCelsius = (data: number) => (data - 273.15).toFixed(0);\n\n// eslint-disable-next-line sonarjs/cognitive-complexity\nexport const colors = (value: number) => {\n if (between(value, 0.95, 1)) {\n return '#367C4C';\n }\n if (between(value, 0.9, 0.95)) {\n return '#42945B';\n }\n if (between(value, 0.85, 0.9)) {\n return '#4FA667';\n }\n if (between(value, 0.8, 0.85)) {\n return '#70BA73';\n }\n if (between(value, 0.75, 0.8)) {\n return '#8BC779';\n }\n if (between(value, 0.7, 0.75)) {\n return '##A8D57F';\n }\n if (between(value, 0.65, 0.7)) {\n return '##C1E18E';\n }\n if (between(value, 0.6, 0.65)) {\n return '#DAED9E';\n }\n if (between(value, 0.55, 0.6)) {\n return '#ECF6B4';\n }\n if (between(value, 0.5, 0.55)) {\n return '#FDFDC8';\n }\n if (between(value, 0.45, 0.5)) {\n return '#FCEFB3';\n }\n if (between(value, 0.4, 0.45)) {\n return '#FAE09D';\n }\n if (between(value, 0.35, 0.4)) {\n return '#F6C788';\n }\n if (between(value, 0.3, 0.35)) {\n return '#F3AE74';\n }\n if (between(value, 0.25, 0.3)) {\n return '#F09265';\n }\n if (between(value, 0.2, 0.25)) {\n return '#EC7455';\n }\n if (between(value, 0.15, 0.2)) {\n return '#DD5844';\n }\n if (between(value, 0.1, 0.15)) {\n return '#CE3F37';\n }\n if (between(value, 0.05, 0.1)) {\n return '#B52C31';\n }\n if (between(value, -1, 0.05)) {\n return '#9E1F2D';\n }\n};\n\nexport const pixelToRem = (px: number | string, baseInput = 16) => {\n if (typeof px === 'string') {\n return px;\n }\n const base = () => baseInput || 16;\n const x = base() || 16;\n return `${(1 / x) * px}rem`;\n};\n\n// Comment\n/* function to destructure report data to put similar activities with\n images during the activity and after the activity ends\n ie; feeds in TASK and WORK objects respectively\n */\n\nexport const processGallery = (\n data: Record,\n farmName: string\n) => {\n const Task = data.TASK\n ? (data.TASK[farmName] as Record) || data.TASK\n : {};\n const Work = data.WORK\n ? (data.WORK[farmName] as Record) || data.WORK\n : {};\n\n const TaskKeys = Object.keys(Task as object);\n const WorkKeys = Object.keys(Work as object);\n\n const CombinedKeys = Array.from(new Set([...TaskKeys, ...WorkKeys]));\n\n const keyPairings = {};\n\n const process = () =>\n CombinedKeys.forEach((key) => {\n const taskData = Task[key] as unknown[];\n const workData = Work[key] as unknown[];\n\n if (keyPairings[key]) {\n keyPairings[key] = [\n ...(keyPairings[key] as unknown[]),\n ...(taskData || []),\n ...(workData || []),\n ];\n } else {\n keyPairings[key] = [...(taskData || []), ...(workData || [])];\n }\n });\n\n process();\n\n return keyPairings as Record;\n};\n\nconst remFunction = (\n pixel: number | string,\n options?: Partial<\n Record<\n 'base' | 'sm' | 'md' | 'lg' | 'xl' | '2xl' | '3xl' | '4xl' | '5xl',\n number | undefined | 'omit' | string\n >\n >\n) => {\n const keys = {\n base: [],\n sm: [],\n md: [768, 768],\n lg: [768, 992],\n xl: [1440, 1280],\n '2xl': [1440, 1366],\n '3xl': [1440, 1440],\n '4xl': [1440, 1536],\n '5xl': [1440, 1920],\n };\n\n return clean(\n Object.keys(keys).reduce(\n (acc, current) => {\n if (!acc[current]) {\n const objKeys = keys[current as keyof typeof keys];\n const opt = options?.[current as keyof typeof options];\n const blockValueOne =\n typeof opt === 'number'\n ? opt\n : typeof opt === 'string'\n ? opt\n : pixel;\n const blockValue =\n opt === 'omit'\n ? undefined\n : [blockValueOne, objKeys?.[0], objKeys?.[1]];\n acc[current] = !blockValue ? undefined : pixelToRem(blockValue?.[0]);\n }\n return acc;\n },\n {\n base: undefined,\n sm: undefined,\n md: undefined,\n lg: undefined,\n xl: undefined,\n '2xl': undefined,\n '3xl': undefined,\n '4xl': undefined,\n '5xl': undefined,\n }\n )\n );\n};\n/**\n * @description hash a string and return a unique number representation\n * @param str string\n * @returns\n */\nexport function hashCode(str: string) {\n let hash = 0;\n // eslint-disable-next-line no-plusplus\n for (let i = 0, len = str.length; i < len; i++) {\n const chr = str.charCodeAt(i);\n // eslint-disable-next-line no-bitwise\n hash = (hash << 5) - hash + chr;\n // eslint-disable-next-line no-bitwise\n hash |= 0; // Convert to 32bit integer\n }\n return hash;\n}\n\nexport const rem = remFunction;\n\nexport const numberOfItemsToAdd = (\n searchData: boolean,\n {\n pageSize,\n totalItems,\n add = 4,\n }: { pageSize: number; totalItems: number; add?: number }\n) => {\n const currentTotal = searchData ? pageSize : 0;\n const total = searchData ? totalItems : 0;\n const left = total - currentTotal;\n return left < add && left >= 0 ? left : left < 0 ? 0 : add;\n};\n\n/**\n *\n * @param {string} url file url path\n * @param {Object} param1\n * @param {Object} param1.documentName name of document after download\n * @param {Object} param1.setLoading updater for loading\n * @returns\n */\nexport const fileDownloader = async (\n url: string,\n {\n documentName,\n setLoading = () => {},\n }: { documentName: string; setLoading: (v?: boolean) => void }\n) => {\n try {\n setLoading(true);\n const blob = await fetch(url).then((r) => r.blob());\n return save(blob, documentName);\n } catch (error) {\n return error;\n } finally {\n setLoading(false);\n }\n};\n\nexport const supportedMimes = (url: string) => {\n try {\n const ext = getFileExtension(url);\n const mimes = {\n jpg: 'image',\n png: 'image',\n pdf: 'application',\n jpeg: 'image',\n };\n return `${mimes[ext === 'jpg' ? 'jpeg' : (ext as keyof typeof mimes)]}/${\n (ext === 'jpg' ? 'jpeg' : ext) as string\n }`;\n } catch (error) {\n return Promise.reject(error);\n }\n};\n\nexport const virtualScore = (actualScore: number) => {\n const getAverageMessage = (num: number) => {\n if (between(num, Number.NEGATIVE_INFINITY, 0.99)) {\n return num;\n }\n if (between(num, 1, 1.99)) {\n const text = num?.toString();\n const arr = Array.from(text);\n arr[0] = '3';\n const newString = arr.join('');\n return parseFloat(newString);\n }\n if (between(num, 2, 2.99)) {\n return num;\n }\n if (between(num, 3, Number.POSITIVE_INFINITY)) {\n const text = num?.toString();\n const arr = Array.from(text);\n arr[0] = '1';\n const newString = arr.join('');\n return parseFloat(newString);\n }\n return 0;\n };\n return getAverageMessage(actualScore);\n};\n","import create from 'zustand';\nimport { persist } from 'zustand/middleware';\nimport { shallow } from 'zustand/shallow';\nimport { pick } from 'lodash';\nimport { IFarmManagerOnboarding } from 'utils/interfaces/farm-manager-onboarding';\nimport { useMemo } from 'react';\nimport { IRequest } from 'utils/interfaces/requests';\nimport { IUser, IGrower } from '../../utils/interfaces/users';\nimport { IFarmManager } from '../../utils/interfaces/farm-managers';\n\nexport interface IUseAuthStore {\n authToken: string | null | undefined;\n farmManagerInvitationToken: string | null | undefined;\n farmManagerRequestToken: string | null | undefined;\n user: IUser | null | undefined;\n session: boolean;\n redirectTo: string | null | undefined;\n setSession: (arg: boolean) => void;\n isGrower: boolean;\n isFarmManager: boolean;\n grower: IGrower | undefined;\n farmManager: IFarmManager | undefined;\n isLoading: boolean;\n setAuthLoading: (b: boolean) => void;\n farmManagerOnboarding: IFarmManagerOnboarding | null;\n farmManagerRequest: IRequest | null;\n isUnauthorized: boolean;\n growerSummary: unknown | null;\n}\n\n/**\n * @author Whitson Dzimah\n * @description Main State store for everything involving authentication\n */\n\nexport const defaultAuthValues = {\n farmManagerOnboarding: null,\n farmManagerRequest: null,\n updateIsNewUser: false,\n isLoading: false,\n authToken: null,\n user: null,\n isUnauthorized: false,\n session: true,\n redirectTo: null,\n admin: null,\n refetch: false,\n isFarmManager: false,\n grower: undefined,\n farmManager: undefined,\n isGrower: false,\n farmManagerInvitationToken: null,\n farmManagerRequestToken: null,\n growerSummary: null,\n};\n\nexport const useAuthStore = create(\n persist(\n (set) => ({\n ...defaultAuthValues,\n setAuthLoading: (b: boolean) => {\n set({ isLoading: b });\n },\n setSession(boolean: boolean) {\n set({ session: boolean });\n },\n }),\n {\n name: 'authStorage',\n getStorage: () => window.sessionStorage,\n }\n )\n);\n\n/**\n * @author Whitson Dzimah\n * @description Returns shallowly deferred auth state object given keys\n * @param selector keys to return from auth state\n */\nconst useAuth = (selector: Array) => {\n const memo = useMemo(() => selector, [selector]);\n const t = window.sessionStorage.getItem('tp_cfu');\n const tempUserData = (t ? JSON.parse(t) : undefined) as IUser | undefined;\n return useAuthStore((state) => {\n const obj = pick(state, memo);\n obj.user = tempUserData || obj.user;\n return obj;\n }, shallow);\n};\nexport default useAuth;\n","/**\n * Method to return backend services urls based on the environment\n * @function\n *\n * */\nconst configs = () => {\n // Get REACT ENV\n const ENV = process.env.REACT_APP_ENVIRONMENT as string;\n return {\n AUTH_API: process.env[`REACT_APP_${ENV}_AUTH_API`],\n AUTH_SERVICE: process.env[`REACT_APP_${ENV}_AUTH_SERVICE`],\n BUYER_API: process.env[`REACT_APP_${ENV}_BUYER_API`],\n CALENDLY_TOKEN: process.env[`REACT_APP_${ENV}_CALENDLY_TOKEN`],\n CALENDLY_LANDASSESSMENT:\n process.env[`REACT_APP_${ENV}_CALENDLY_LAND_ASSESSMENT`],\n DIGIFARMER_API: process.env[`REACT_APP_${ENV}_DIGIFARMER_API`],\n ESCROW_SELLER_ID: process.env[`REACT_APP_${ENV}_ESCROW_SELLER_ID`],\n EXCHANGE_RATE_API: process.env[`REACT_APP_${ENV}_EXCHANGE_RATE_API`],\n EXCHANGE_RATE_API_KEY:\n process.env[`REACT_APP_${ENV}_EXCHANGE_RATE_API_KEY`],\n GOOGLE_PLACES_API: process.env[`REACT_APP_${ENV}_GOOGLE_PLACES_API`],\n GOOGLE_PLACES_API_KEY:\n process.env[`REACT_APP_${ENV}_GOOGLE_PLACES_API_KEY`],\n GOOGLE_MAP_API_KEY: process.env[`REACT_APP_${ENV}_GOOGLE_MAP_API_KEY`],\n FMS_API: process.env[`REACT_APP_${ENV}_FMS_API`],\n JET_AUTH_API: process.env[`REACT_APP_${ENV}_JET_AUTH`],\n NOTIFICATION_API: process.env[`REACT_APP_${ENV}_NOTIFICATION_API`],\n LOGISTICS_API: process.env[`REACT_APP_${ENV}_LOGISTICS`],\n OPERATION_API: process.env[`REACT_APP_${ENV}_OPERATION_API`],\n OPEN_WEATHER_API: process.env[`REACT_APP_${ENV}_OPEN_WEATHER_API`],\n OPEN_WEATHER_API_KEY: process.env[`REACT_APP_${ENV}_OPEN_WEATHER_API_KEY`],\n MAP_BOX_ACCESS_TOKEN: process.env.REACT_APP_MAP_ACCESS_TOKEN,\n PAYMENT_API: process.env[`REACT_APP_${ENV}_PAYMENT_API`],\n PRISMIC_API: process.env.REACT_APP_PRISMIC_API,\n PRISMIC_ACCESS_TOKEN: process.env.REACT_APP_PRISMIC_ACCESS_TOKEN,\n OPEN_WEATHER_HOST: process.env[`REACT_APP_${ENV}_OPEN_WEATHER_HOST`],\n PASSWORD_API: process.env[`REACT_APP_${ENV}_PASSWORD`],\n USER_API: process.env[`REACT_APP_${ENV}_USER`],\n MAP_BOX_API: process.env.REACT_APP_MAP_BOX_API,\n SENTRY_DSN: process.env.REACT_APP_SENTRY_DSN,\n ZENDESK_KEY: process.env.REACT_APP_ZENDESK_KEY,\n classMarkerQuizId: process.env[`REACT_APP_${ENV}_CLASSMARKER_QUIZ_ID`],\n classMarkerBaseUrl: process.env.REACT_APP_CLASSMARKER_BASE_URL,\n SOCKET_API: process.env[`REACT_APP_${ENV}_SOCKET_API`],\n };\n};\n\nexport default configs;\n","import { Flex, Grid, Box, GridItem, Icon } from '@chakra-ui/react';\nimport { motion } from 'framer-motion';\n\nexport const MotionFlex = motion(Flex);\nexport const MotionBox = motion(Box);\nexport const MotionGrid = motion(Grid);\nexport const MotionGridItem = motion(GridItem);\nexport const MotionIcon = motion(Icon);\n","const ENV = process.env.REACT_APP_ENVIRONMENT as string;\nexport const FMS_API = process.env[`REACT_APP_${ENV}_FMS_API`] as string;\nexport const AUTH_API = process.env[`REACT_APP_${ENV}_AUTH_API`] as string;\nexport const BUYER_API = process.env[`REACT_APP_${ENV}_BUYER_API`] as string;\nexport const PAYMENT_API = process.env[\n `REACT_APP_${ENV}_PAYMENT_API`\n] as string;\nexport const AUTH_SERVICE = process.env[\n `REACT_APP_${ENV}_AUTH_SERVICE`\n] as string;\nexport const CALENDLY_ACCESS_TOKEN = process.env\n .REACT_APP_CALENDLY_ACCESS_TOKEN as string;\nexport const OPERATIONS_API = process.env[\n `REACT_APP_${ENV}_OPERATION_API`\n] as string;\nexport const DASHBOARD_ENV = process.env.REACT_APP_ENVIRONMENT as string;\n\nexport const NOTIFICATION_API = process.env[\n `REACT_APP_${ENV}_NOTIFICATION_API`\n] as string;\n\nexport const ACCESS_TOKEN = process.env.REACT_APP_ACCESS_TOKEN as string;\n\nexport const DEFAULT_LANGUAGE =\n (process.env.REACT_APP_DEFAULT_LANGUAGE as 'en' | 'fr') || 'en';\n\nexport type EnvironmentType =\n | 'fms'\n | 'auth'\n | 'buyer'\n | 'payment'\n | 'authService'\n | 'calendly'\n | 'operations'\n | 'notifications';\n\ntype Environments = 'LOCAL' | 'DEV' | 'PROD';\n\n// eslint-disable-next-line no-shadow\nexport enum ENVIRONMENT {\n local = 'LOCAL',\n staging = 'DEV',\n production = 'PROD',\n}\n\nexport const EnvironmentApiUrls: Record = {\n fms: FMS_API,\n auth: AUTH_API,\n buyer: BUYER_API,\n payment: PAYMENT_API,\n authService: AUTH_SERVICE,\n calendly: CALENDLY_ACCESS_TOKEN,\n operations: OPERATIONS_API,\n notifications: NOTIFICATION_API,\n};\n\nexport function getEnvironmentApiUrl(env: EnvironmentType): string {\n return EnvironmentApiUrls[env];\n}\n\nexport const APP_ENV: Environments = process.env\n .REACT_APP_ENVIRONMENT as Environments;\n\nexport const isLocal = () => APP_ENV === ENVIRONMENT.local;\nexport const isProduction = () => APP_ENV === ENVIRONMENT.production;\nexport const isStaging = () => APP_ENV === ENVIRONMENT.staging;\n","var isDevelopment = false;\n\n/*\n\nBased off glamor's StyleSheet, thanks Sunil ❤️\n\nhigh performance StyleSheet for css-in-js systems\n\n- uses multiple style tags behind the scenes for millions of rules\n- uses `insertRule` for appending in production for *much* faster performance\n\n// usage\n\nimport { StyleSheet } from '@emotion/sheet'\n\nlet styleSheet = new StyleSheet({ key: '', container: document.head })\n\nstyleSheet.insert('#box { border: 1px solid red; }')\n- appends a css rule into the stylesheet\n\nstyleSheet.flush()\n- empties the stylesheet of all its contents\n\n*/\n\nfunction sheetForTag(tag) {\n if (tag.sheet) {\n return tag.sheet;\n } // this weirdness brought to you by firefox\n\n /* istanbul ignore next */\n\n\n for (var i = 0; i < document.styleSheets.length; i++) {\n if (document.styleSheets[i].ownerNode === tag) {\n return document.styleSheets[i];\n }\n } // this function should always return with a value\n // TS can't understand it though so we make it stop complaining here\n\n\n return undefined;\n}\n\nfunction createStyleElement(options) {\n var tag = document.createElement('style');\n tag.setAttribute('data-emotion', options.key);\n\n if (options.nonce !== undefined) {\n tag.setAttribute('nonce', options.nonce);\n }\n\n tag.appendChild(document.createTextNode(''));\n tag.setAttribute('data-s', '');\n return tag;\n}\n\nvar StyleSheet = /*#__PURE__*/function () {\n // Using Node instead of HTMLElement since container may be a ShadowRoot\n function StyleSheet(options) {\n var _this = this;\n\n this._insertTag = function (tag) {\n var before;\n\n if (_this.tags.length === 0) {\n if (_this.insertionPoint) {\n before = _this.insertionPoint.nextSibling;\n } else if (_this.prepend) {\n before = _this.container.firstChild;\n } else {\n before = _this.before;\n }\n } else {\n before = _this.tags[_this.tags.length - 1].nextSibling;\n }\n\n _this.container.insertBefore(tag, before);\n\n _this.tags.push(tag);\n };\n\n this.isSpeedy = options.speedy === undefined ? !isDevelopment : options.speedy;\n this.tags = [];\n this.ctr = 0;\n this.nonce = options.nonce; // key is the value of the data-emotion attribute, it's used to identify different sheets\n\n this.key = options.key;\n this.container = options.container;\n this.prepend = options.prepend;\n this.insertionPoint = options.insertionPoint;\n this.before = null;\n }\n\n var _proto = StyleSheet.prototype;\n\n _proto.hydrate = function hydrate(nodes) {\n nodes.forEach(this._insertTag);\n };\n\n _proto.insert = function insert(rule) {\n // the max length is how many rules we have per style tag, it's 65000 in speedy mode\n // it's 1 in dev because we insert source maps that map a single rule to a location\n // and you can only have one source map per style tag\n if (this.ctr % (this.isSpeedy ? 65000 : 1) === 0) {\n this._insertTag(createStyleElement(this));\n }\n\n var tag = this.tags[this.tags.length - 1];\n\n if (this.isSpeedy) {\n var sheet = sheetForTag(tag);\n\n try {\n // this is the ultrafast version, works across browsers\n // the big drawback is that the css won't be editable in devtools\n sheet.insertRule(rule, sheet.cssRules.length);\n } catch (e) {\n }\n } else {\n tag.appendChild(document.createTextNode(rule));\n }\n\n this.ctr++;\n };\n\n _proto.flush = function flush() {\n this.tags.forEach(function (tag) {\n var _tag$parentNode;\n\n return (_tag$parentNode = tag.parentNode) == null ? void 0 : _tag$parentNode.removeChild(tag);\n });\n this.tags = [];\n this.ctr = 0;\n };\n\n return StyleSheet;\n}();\n\nexport { StyleSheet };\n","/**\n * @param {number}\n * @return {number}\n */\nexport var abs = Math.abs\n\n/**\n * @param {number}\n * @return {string}\n */\nexport var from = String.fromCharCode\n\n/**\n * @param {object}\n * @return {object}\n */\nexport var assign = Object.assign\n\n/**\n * @param {string} value\n * @param {number} length\n * @return {number}\n */\nexport function hash (value, length) {\n\treturn charat(value, 0) ^ 45 ? (((((((length << 2) ^ charat(value, 0)) << 2) ^ charat(value, 1)) << 2) ^ charat(value, 2)) << 2) ^ charat(value, 3) : 0\n}\n\n/**\n * @param {string} value\n * @return {string}\n */\nexport function trim (value) {\n\treturn value.trim()\n}\n\n/**\n * @param {string} value\n * @param {RegExp} pattern\n * @return {string?}\n */\nexport function match (value, pattern) {\n\treturn (value = pattern.exec(value)) ? value[0] : value\n}\n\n/**\n * @param {string} value\n * @param {(string|RegExp)} pattern\n * @param {string} replacement\n * @return {string}\n */\nexport function replace (value, pattern, replacement) {\n\treturn value.replace(pattern, replacement)\n}\n\n/**\n * @param {string} value\n * @param {string} search\n * @return {number}\n */\nexport function indexof (value, search) {\n\treturn value.indexOf(search)\n}\n\n/**\n * @param {string} value\n * @param {number} index\n * @return {number}\n */\nexport function charat (value, index) {\n\treturn value.charCodeAt(index) | 0\n}\n\n/**\n * @param {string} value\n * @param {number} begin\n * @param {number} end\n * @return {string}\n */\nexport function substr (value, begin, end) {\n\treturn value.slice(begin, end)\n}\n\n/**\n * @param {string} value\n * @return {number}\n */\nexport function strlen (value) {\n\treturn value.length\n}\n\n/**\n * @param {any[]} value\n * @return {number}\n */\nexport function sizeof (value) {\n\treturn value.length\n}\n\n/**\n * @param {any} value\n * @param {any[]} array\n * @return {any}\n */\nexport function append (value, array) {\n\treturn array.push(value), value\n}\n\n/**\n * @param {string[]} array\n * @param {function} callback\n * @return {string}\n */\nexport function combine (array, callback) {\n\treturn array.map(callback).join('')\n}\n","import {from, trim, charat, strlen, substr, append, assign} from './Utility.js'\n\nexport var line = 1\nexport var column = 1\nexport var length = 0\nexport var position = 0\nexport var character = 0\nexport var characters = ''\n\n/**\n * @param {string} value\n * @param {object | null} root\n * @param {object | null} parent\n * @param {string} type\n * @param {string[] | string} props\n * @param {object[] | string} children\n * @param {number} length\n */\nexport function node (value, root, parent, type, props, children, length) {\n\treturn {value: value, root: root, parent: parent, type: type, props: props, children: children, line: line, column: column, length: length, return: ''}\n}\n\n/**\n * @param {object} root\n * @param {object} props\n * @return {object}\n */\nexport function copy (root, props) {\n\treturn assign(node('', null, null, '', null, null, 0), root, {length: -root.length}, props)\n}\n\n/**\n * @return {number}\n */\nexport function char () {\n\treturn character\n}\n\n/**\n * @return {number}\n */\nexport function prev () {\n\tcharacter = position > 0 ? charat(characters, --position) : 0\n\n\tif (column--, character === 10)\n\t\tcolumn = 1, line--\n\n\treturn character\n}\n\n/**\n * @return {number}\n */\nexport function next () {\n\tcharacter = position < length ? charat(characters, position++) : 0\n\n\tif (column++, character === 10)\n\t\tcolumn = 1, line++\n\n\treturn character\n}\n\n/**\n * @return {number}\n */\nexport function peek () {\n\treturn charat(characters, position)\n}\n\n/**\n * @return {number}\n */\nexport function caret () {\n\treturn position\n}\n\n/**\n * @param {number} begin\n * @param {number} end\n * @return {string}\n */\nexport function slice (begin, end) {\n\treturn substr(characters, begin, end)\n}\n\n/**\n * @param {number} type\n * @return {number}\n */\nexport function token (type) {\n\tswitch (type) {\n\t\t// \\0 \\t \\n \\r \\s whitespace token\n\t\tcase 0: case 9: case 10: case 13: case 32:\n\t\t\treturn 5\n\t\t// ! + , / > @ ~ isolate token\n\t\tcase 33: case 43: case 44: case 47: case 62: case 64: case 126:\n\t\t// ; { } breakpoint token\n\t\tcase 59: case 123: case 125:\n\t\t\treturn 4\n\t\t// : accompanied token\n\t\tcase 58:\n\t\t\treturn 3\n\t\t// \" ' ( [ opening delimit token\n\t\tcase 34: case 39: case 40: case 91:\n\t\t\treturn 2\n\t\t// ) ] closing delimit token\n\t\tcase 41: case 93:\n\t\t\treturn 1\n\t}\n\n\treturn 0\n}\n\n/**\n * @param {string} value\n * @return {any[]}\n */\nexport function alloc (value) {\n\treturn line = column = 1, length = strlen(characters = value), position = 0, []\n}\n\n/**\n * @param {any} value\n * @return {any}\n */\nexport function dealloc (value) {\n\treturn characters = '', value\n}\n\n/**\n * @param {number} type\n * @return {string}\n */\nexport function delimit (type) {\n\treturn trim(slice(position - 1, delimiter(type === 91 ? type + 2 : type === 40 ? type + 1 : type)))\n}\n\n/**\n * @param {string} value\n * @return {string[]}\n */\nexport function tokenize (value) {\n\treturn dealloc(tokenizer(alloc(value)))\n}\n\n/**\n * @param {number} type\n * @return {string}\n */\nexport function whitespace (type) {\n\twhile (character = peek())\n\t\tif (character < 33)\n\t\t\tnext()\n\t\telse\n\t\t\tbreak\n\n\treturn token(type) > 2 || token(character) > 3 ? '' : ' '\n}\n\n/**\n * @param {string[]} children\n * @return {string[]}\n */\nexport function tokenizer (children) {\n\twhile (next())\n\t\tswitch (token(character)) {\n\t\t\tcase 0: append(identifier(position - 1), children)\n\t\t\t\tbreak\n\t\t\tcase 2: append(delimit(character), children)\n\t\t\t\tbreak\n\t\t\tdefault: append(from(character), children)\n\t\t}\n\n\treturn children\n}\n\n/**\n * @param {number} index\n * @param {number} count\n * @return {string}\n */\nexport function escaping (index, count) {\n\twhile (--count && next())\n\t\t// not 0-9 A-F a-f\n\t\tif (character < 48 || character > 102 || (character > 57 && character < 65) || (character > 70 && character < 97))\n\t\t\tbreak\n\n\treturn slice(index, caret() + (count < 6 && peek() == 32 && next() == 32))\n}\n\n/**\n * @param {number} type\n * @return {number}\n */\nexport function delimiter (type) {\n\twhile (next())\n\t\tswitch (character) {\n\t\t\t// ] ) \" '\n\t\t\tcase type:\n\t\t\t\treturn position\n\t\t\t// \" '\n\t\t\tcase 34: case 39:\n\t\t\t\tif (type !== 34 && type !== 39)\n\t\t\t\t\tdelimiter(character)\n\t\t\t\tbreak\n\t\t\t// (\n\t\t\tcase 40:\n\t\t\t\tif (type === 41)\n\t\t\t\t\tdelimiter(type)\n\t\t\t\tbreak\n\t\t\t// \\\n\t\t\tcase 92:\n\t\t\t\tnext()\n\t\t\t\tbreak\n\t\t}\n\n\treturn position\n}\n\n/**\n * @param {number} type\n * @param {number} index\n * @return {number}\n */\nexport function commenter (type, index) {\n\twhile (next())\n\t\t// //\n\t\tif (type + character === 47 + 10)\n\t\t\tbreak\n\t\t// /*\n\t\telse if (type + character === 42 + 42 && peek() === 47)\n\t\t\tbreak\n\n\treturn '/*' + slice(index, position - 1) + '*' + from(type === 47 ? type : next())\n}\n\n/**\n * @param {number} index\n * @return {string}\n */\nexport function identifier (index) {\n\twhile (!token(peek()))\n\t\tnext()\n\n\treturn slice(index, position)\n}\n","export var MS = '-ms-'\nexport var MOZ = '-moz-'\nexport var WEBKIT = '-webkit-'\n\nexport var COMMENT = 'comm'\nexport var RULESET = 'rule'\nexport var DECLARATION = 'decl'\n\nexport var PAGE = '@page'\nexport var MEDIA = '@media'\nexport var IMPORT = '@import'\nexport var CHARSET = '@charset'\nexport var VIEWPORT = '@viewport'\nexport var SUPPORTS = '@supports'\nexport var DOCUMENT = '@document'\nexport var NAMESPACE = '@namespace'\nexport var KEYFRAMES = '@keyframes'\nexport var FONT_FACE = '@font-face'\nexport var COUNTER_STYLE = '@counter-style'\nexport var FONT_FEATURE_VALUES = '@font-feature-values'\nexport var LAYER = '@layer'\n","import {IMPORT, LAYER, COMMENT, RULESET, DECLARATION, KEYFRAMES} from './Enum.js'\nimport {strlen, sizeof} from './Utility.js'\n\n/**\n * @param {object[]} children\n * @param {function} callback\n * @return {string}\n */\nexport function serialize (children, callback) {\n\tvar output = ''\n\tvar length = sizeof(children)\n\n\tfor (var i = 0; i < length; i++)\n\t\toutput += callback(children[i], i, children, callback) || ''\n\n\treturn output\n}\n\n/**\n * @param {object} element\n * @param {number} index\n * @param {object[]} children\n * @param {function} callback\n * @return {string}\n */\nexport function stringify (element, index, children, callback) {\n\tswitch (element.type) {\n\t\tcase LAYER: if (element.children.length) break\n\t\tcase IMPORT: case DECLARATION: return element.return = element.return || element.value\n\t\tcase COMMENT: return ''\n\t\tcase KEYFRAMES: return element.return = element.value + '{' + serialize(element.children, callback) + '}'\n\t\tcase RULESET: element.value = element.props.join(',')\n\t}\n\n\treturn strlen(children = serialize(element.children, callback)) ? element.return = element.value + '{' + children + '}' : ''\n}\n","import {COMMENT, RULESET, DECLARATION} from './Enum.js'\nimport {abs, charat, trim, from, sizeof, strlen, substr, append, replace, indexof} from './Utility.js'\nimport {node, char, prev, next, peek, caret, alloc, dealloc, delimit, whitespace, escaping, identifier, commenter} from './Tokenizer.js'\n\n/**\n * @param {string} value\n * @return {object[]}\n */\nexport function compile (value) {\n\treturn dealloc(parse('', null, null, null, [''], value = alloc(value), 0, [0], value))\n}\n\n/**\n * @param {string} value\n * @param {object} root\n * @param {object?} parent\n * @param {string[]} rule\n * @param {string[]} rules\n * @param {string[]} rulesets\n * @param {number[]} pseudo\n * @param {number[]} points\n * @param {string[]} declarations\n * @return {object}\n */\nexport function parse (value, root, parent, rule, rules, rulesets, pseudo, points, declarations) {\n\tvar index = 0\n\tvar offset = 0\n\tvar length = pseudo\n\tvar atrule = 0\n\tvar property = 0\n\tvar previous = 0\n\tvar variable = 1\n\tvar scanning = 1\n\tvar ampersand = 1\n\tvar character = 0\n\tvar type = ''\n\tvar props = rules\n\tvar children = rulesets\n\tvar reference = rule\n\tvar characters = type\n\n\twhile (scanning)\n\t\tswitch (previous = character, character = next()) {\n\t\t\t// (\n\t\t\tcase 40:\n\t\t\t\tif (previous != 108 && charat(characters, length - 1) == 58) {\n\t\t\t\t\tif (indexof(characters += replace(delimit(character), '&', '&\\f'), '&\\f') != -1)\n\t\t\t\t\t\tampersand = -1\n\t\t\t\t\tbreak\n\t\t\t\t}\n\t\t\t// \" ' [\n\t\t\tcase 34: case 39: case 91:\n\t\t\t\tcharacters += delimit(character)\n\t\t\t\tbreak\n\t\t\t// \\t \\n \\r \\s\n\t\t\tcase 9: case 10: case 13: case 32:\n\t\t\t\tcharacters += whitespace(previous)\n\t\t\t\tbreak\n\t\t\t// \\\n\t\t\tcase 92:\n\t\t\t\tcharacters += escaping(caret() - 1, 7)\n\t\t\t\tcontinue\n\t\t\t// /\n\t\t\tcase 47:\n\t\t\t\tswitch (peek()) {\n\t\t\t\t\tcase 42: case 47:\n\t\t\t\t\t\tappend(comment(commenter(next(), caret()), root, parent), declarations)\n\t\t\t\t\t\tbreak\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tcharacters += '/'\n\t\t\t\t}\n\t\t\t\tbreak\n\t\t\t// {\n\t\t\tcase 123 * variable:\n\t\t\t\tpoints[index++] = strlen(characters) * ampersand\n\t\t\t// } ; \\0\n\t\t\tcase 125 * variable: case 59: case 0:\n\t\t\t\tswitch (character) {\n\t\t\t\t\t// \\0 }\n\t\t\t\t\tcase 0: case 125: scanning = 0\n\t\t\t\t\t// ;\n\t\t\t\t\tcase 59 + offset: if (ampersand == -1) characters = replace(characters, /\\f/g, '')\n\t\t\t\t\t\tif (property > 0 && (strlen(characters) - length))\n\t\t\t\t\t\t\tappend(property > 32 ? declaration(characters + ';', rule, parent, length - 1) : declaration(replace(characters, ' ', '') + ';', rule, parent, length - 2), declarations)\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// @ ;\n\t\t\t\t\tcase 59: characters += ';'\n\t\t\t\t\t// { rule/at-rule\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tappend(reference = ruleset(characters, root, parent, index, offset, rules, points, type, props = [], children = [], length), rulesets)\n\n\t\t\t\t\t\tif (character === 123)\n\t\t\t\t\t\t\tif (offset === 0)\n\t\t\t\t\t\t\t\tparse(characters, root, reference, reference, props, rulesets, length, points, children)\n\t\t\t\t\t\t\telse\n\t\t\t\t\t\t\t\tswitch (atrule === 99 && charat(characters, 3) === 110 ? 100 : atrule) {\n\t\t\t\t\t\t\t\t\t// d l m s\n\t\t\t\t\t\t\t\t\tcase 100: case 108: case 109: case 115:\n\t\t\t\t\t\t\t\t\t\tparse(value, reference, reference, rule && append(ruleset(value, reference, reference, 0, 0, rules, points, type, rules, props = [], length), children), rules, children, length, points, rule ? props : children)\n\t\t\t\t\t\t\t\t\t\tbreak\n\t\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\t\tparse(characters, reference, reference, reference, [''], children, 0, points, children)\n\t\t\t\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tindex = offset = property = 0, variable = ampersand = 1, type = characters = '', length = pseudo\n\t\t\t\tbreak\n\t\t\t// :\n\t\t\tcase 58:\n\t\t\t\tlength = 1 + strlen(characters), property = previous\n\t\t\tdefault:\n\t\t\t\tif (variable < 1)\n\t\t\t\t\tif (character == 123)\n\t\t\t\t\t\t--variable\n\t\t\t\t\telse if (character == 125 && variable++ == 0 && prev() == 125)\n\t\t\t\t\t\tcontinue\n\n\t\t\t\tswitch (characters += from(character), character * variable) {\n\t\t\t\t\t// &\n\t\t\t\t\tcase 38:\n\t\t\t\t\t\tampersand = offset > 0 ? 1 : (characters += '\\f', -1)\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// ,\n\t\t\t\t\tcase 44:\n\t\t\t\t\t\tpoints[index++] = (strlen(characters) - 1) * ampersand, ampersand = 1\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// @\n\t\t\t\t\tcase 64:\n\t\t\t\t\t\t// -\n\t\t\t\t\t\tif (peek() === 45)\n\t\t\t\t\t\t\tcharacters += delimit(next())\n\n\t\t\t\t\t\tatrule = peek(), offset = length = strlen(type = characters += identifier(caret())), character++\n\t\t\t\t\t\tbreak\n\t\t\t\t\t// -\n\t\t\t\t\tcase 45:\n\t\t\t\t\t\tif (previous === 45 && strlen(characters) == 2)\n\t\t\t\t\t\t\tvariable = 0\n\t\t\t\t}\n\t\t}\n\n\treturn rulesets\n}\n\n/**\n * @param {string} value\n * @param {object} root\n * @param {object?} parent\n * @param {number} index\n * @param {number} offset\n * @param {string[]} rules\n * @param {number[]} points\n * @param {string} type\n * @param {string[]} props\n * @param {string[]} children\n * @param {number} length\n * @return {object}\n */\nexport function ruleset (value, root, parent, index, offset, rules, points, type, props, children, length) {\n\tvar post = offset - 1\n\tvar rule = offset === 0 ? rules : ['']\n\tvar size = sizeof(rule)\n\n\tfor (var i = 0, j = 0, k = 0; i < index; ++i)\n\t\tfor (var x = 0, y = substr(value, post + 1, post = abs(j = points[i])), z = value; x < size; ++x)\n\t\t\tif (z = trim(j > 0 ? rule[x] + ' ' + y : replace(y, /&\\f/g, rule[x])))\n\t\t\t\tprops[k++] = z\n\n\treturn node(value, root, parent, offset === 0 ? RULESET : type, props, children, length)\n}\n\n/**\n * @param {number} value\n * @param {object} root\n * @param {object?} parent\n * @return {object}\n */\nexport function comment (value, root, parent) {\n\treturn node(value, root, parent, COMMENT, from(char()), substr(value, 2, -2), 0)\n}\n\n/**\n * @param {string} value\n * @param {object} root\n * @param {object?} parent\n * @param {number} length\n * @return {object}\n */\nexport function declaration (value, root, parent, length) {\n\treturn node(value, root, parent, DECLARATION, substr(value, 0, length), substr(value, length + 1, -1), length)\n}\n","import { StyleSheet } from '@emotion/sheet';\nimport { dealloc, alloc, next, token, from, peek, delimit, slice, position, RULESET, combine, match, serialize, copy, replace, WEBKIT, MOZ, MS, KEYFRAMES, DECLARATION, hash, charat, strlen, indexof, stringify, rulesheet, middleware, compile } from 'stylis';\nimport '@emotion/weak-memoize';\nimport '@emotion/memoize';\n\nvar identifierWithPointTracking = function identifierWithPointTracking(begin, points, index) {\n var previous = 0;\n var character = 0;\n\n while (true) {\n previous = character;\n character = peek(); // &\\f\n\n if (previous === 38 && character === 12) {\n points[index] = 1;\n }\n\n if (token(character)) {\n break;\n }\n\n next();\n }\n\n return slice(begin, position);\n};\n\nvar toRules = function toRules(parsed, points) {\n // pretend we've started with a comma\n var index = -1;\n var character = 44;\n\n do {\n switch (token(character)) {\n case 0:\n // &\\f\n if (character === 38 && peek() === 12) {\n // this is not 100% correct, we don't account for literal sequences here - like for example quoted strings\n // stylis inserts \\f after & to know when & where it should replace this sequence with the context selector\n // and when it should just concatenate the outer and inner selectors\n // it's very unlikely for this sequence to actually appear in a different context, so we just leverage this fact here\n points[index] = 1;\n }\n\n parsed[index] += identifierWithPointTracking(position - 1, points, index);\n break;\n\n case 2:\n parsed[index] += delimit(character);\n break;\n\n case 4:\n // comma\n if (character === 44) {\n // colon\n parsed[++index] = peek() === 58 ? '&\\f' : '';\n points[index] = parsed[index].length;\n break;\n }\n\n // fallthrough\n\n default:\n parsed[index] += from(character);\n }\n } while (character = next());\n\n return parsed;\n};\n\nvar getRules = function getRules(value, points) {\n return dealloc(toRules(alloc(value), points));\n}; // WeakSet would be more appropriate, but only WeakMap is supported in IE11\n\n\nvar fixedElements = /* #__PURE__ */new WeakMap();\nvar compat = function compat(element) {\n if (element.type !== 'rule' || !element.parent || // positive .length indicates that this rule contains pseudo\n // negative .length indicates that this rule has been already prefixed\n element.length < 1) {\n return;\n }\n\n var value = element.value,\n parent = element.parent;\n var isImplicitRule = element.column === parent.column && element.line === parent.line;\n\n while (parent.type !== 'rule') {\n parent = parent.parent;\n if (!parent) return;\n } // short-circuit for the simplest case\n\n\n if (element.props.length === 1 && value.charCodeAt(0) !== 58\n /* colon */\n && !fixedElements.get(parent)) {\n return;\n } // if this is an implicitly inserted rule (the one eagerly inserted at the each new nested level)\n // then the props has already been manipulated beforehand as they that array is shared between it and its \"rule parent\"\n\n\n if (isImplicitRule) {\n return;\n }\n\n fixedElements.set(element, true);\n var points = [];\n var rules = getRules(value, points);\n var parentRules = parent.props;\n\n for (var i = 0, k = 0; i < rules.length; i++) {\n for (var j = 0; j < parentRules.length; j++, k++) {\n element.props[k] = points[i] ? rules[i].replace(/&\\f/g, parentRules[j]) : parentRules[j] + \" \" + rules[i];\n }\n }\n};\nvar removeLabel = function removeLabel(element) {\n if (element.type === 'decl') {\n var value = element.value;\n\n if ( // charcode for l\n value.charCodeAt(0) === 108 && // charcode for b\n value.charCodeAt(2) === 98) {\n // this ignores label\n element[\"return\"] = '';\n element.value = '';\n }\n }\n};\n\n/* eslint-disable no-fallthrough */\n\nfunction prefix(value, length) {\n switch (hash(value, length)) {\n // color-adjust\n case 5103:\n return WEBKIT + 'print-' + value + value;\n // animation, animation-(delay|direction|duration|fill-mode|iteration-count|name|play-state|timing-function)\n\n case 5737:\n case 4201:\n case 3177:\n case 3433:\n case 1641:\n case 4457:\n case 2921: // text-decoration, filter, clip-path, backface-visibility, column, box-decoration-break\n\n case 5572:\n case 6356:\n case 5844:\n case 3191:\n case 6645:\n case 3005: // mask, mask-image, mask-(mode|clip|size), mask-(repeat|origin), mask-position, mask-composite,\n\n case 6391:\n case 5879:\n case 5623:\n case 6135:\n case 4599:\n case 4855: // background-clip, columns, column-(count|fill|gap|rule|rule-color|rule-style|rule-width|span|width)\n\n case 4215:\n case 6389:\n case 5109:\n case 5365:\n case 5621:\n case 3829:\n return WEBKIT + value + value;\n // appearance, user-select, transform, hyphens, text-size-adjust\n\n case 5349:\n case 4246:\n case 4810:\n case 6968:\n case 2756:\n return WEBKIT + value + MOZ + value + MS + value + value;\n // flex, flex-direction\n\n case 6828:\n case 4268:\n return WEBKIT + value + MS + value + value;\n // order\n\n case 6165:\n return WEBKIT + value + MS + 'flex-' + value + value;\n // align-items\n\n case 5187:\n return WEBKIT + value + replace(value, /(\\w+).+(:[^]+)/, WEBKIT + 'box-$1$2' + MS + 'flex-$1$2') + value;\n // align-self\n\n case 5443:\n return WEBKIT + value + MS + 'flex-item-' + replace(value, /flex-|-self/, '') + value;\n // align-content\n\n case 4675:\n return WEBKIT + value + MS + 'flex-line-pack' + replace(value, /align-content|flex-|-self/, '') + value;\n // flex-shrink\n\n case 5548:\n return WEBKIT + value + MS + replace(value, 'shrink', 'negative') + value;\n // flex-basis\n\n case 5292:\n return WEBKIT + value + MS + replace(value, 'basis', 'preferred-size') + value;\n // flex-grow\n\n case 6060:\n return WEBKIT + 'box-' + replace(value, '-grow', '') + WEBKIT + value + MS + replace(value, 'grow', 'positive') + value;\n // transition\n\n case 4554:\n return WEBKIT + replace(value, /([^-])(transform)/g, '$1' + WEBKIT + '$2') + value;\n // cursor\n\n case 6187:\n return replace(replace(replace(value, /(zoom-|grab)/, WEBKIT + '$1'), /(image-set)/, WEBKIT + '$1'), value, '') + value;\n // background, background-image\n\n case 5495:\n case 3959:\n return replace(value, /(image-set\\([^]*)/, WEBKIT + '$1' + '$`$1');\n // justify-content\n\n case 4968:\n return replace(replace(value, /(.+:)(flex-)?(.*)/, WEBKIT + 'box-pack:$3' + MS + 'flex-pack:$3'), /s.+-b[^;]+/, 'justify') + WEBKIT + value + value;\n // (margin|padding)-inline-(start|end)\n\n case 4095:\n case 3583:\n case 4068:\n case 2532:\n return replace(value, /(.+)-inline(.+)/, WEBKIT + '$1$2') + value;\n // (min|max)?(width|height|inline-size|block-size)\n\n case 8116:\n case 7059:\n case 5753:\n case 5535:\n case 5445:\n case 5701:\n case 4933:\n case 4677:\n case 5533:\n case 5789:\n case 5021:\n case 4765:\n // stretch, max-content, min-content, fill-available\n if (strlen(value) - 1 - length > 6) switch (charat(value, length + 1)) {\n // (m)ax-content, (m)in-content\n case 109:\n // -\n if (charat(value, length + 4) !== 45) break;\n // (f)ill-available, (f)it-content\n\n case 102:\n return replace(value, /(.+:)(.+)-([^]+)/, '$1' + WEBKIT + '$2-$3' + '$1' + MOZ + (charat(value, length + 3) == 108 ? '$3' : '$2-$3')) + value;\n // (s)tretch\n\n case 115:\n return ~indexof(value, 'stretch') ? prefix(replace(value, 'stretch', 'fill-available'), length) + value : value;\n }\n break;\n // position: sticky\n\n case 4949:\n // (s)ticky?\n if (charat(value, length + 1) !== 115) break;\n // display: (flex|inline-flex)\n\n case 6444:\n switch (charat(value, strlen(value) - 3 - (~indexof(value, '!important') && 10))) {\n // stic(k)y\n case 107:\n return replace(value, ':', ':' + WEBKIT) + value;\n // (inline-)?fl(e)x\n\n case 101:\n return replace(value, /(.+:)([^;!]+)(;|!.+)?/, '$1' + WEBKIT + (charat(value, 14) === 45 ? 'inline-' : '') + 'box$3' + '$1' + WEBKIT + '$2$3' + '$1' + MS + '$2box$3') + value;\n }\n\n break;\n // writing-mode\n\n case 5936:\n switch (charat(value, length + 11)) {\n // vertical-l(r)\n case 114:\n return WEBKIT + value + MS + replace(value, /[svh]\\w+-[tblr]{2}/, 'tb') + value;\n // vertical-r(l)\n\n case 108:\n return WEBKIT + value + MS + replace(value, /[svh]\\w+-[tblr]{2}/, 'tb-rl') + value;\n // horizontal(-)tb\n\n case 45:\n return WEBKIT + value + MS + replace(value, /[svh]\\w+-[tblr]{2}/, 'lr') + value;\n }\n\n return WEBKIT + value + MS + value + value;\n }\n\n return value;\n}\n\nvar prefixer = function prefixer(element, index, children, callback) {\n if (element.length > -1) if (!element[\"return\"]) switch (element.type) {\n case DECLARATION:\n element[\"return\"] = prefix(element.value, element.length);\n break;\n\n case KEYFRAMES:\n return serialize([copy(element, {\n value: replace(element.value, '@', '@' + WEBKIT)\n })], callback);\n\n case RULESET:\n if (element.length) return combine(element.props, function (value) {\n switch (match(value, /(::plac\\w+|:read-\\w+)/)) {\n // :read-(only|write)\n case ':read-only':\n case ':read-write':\n return serialize([copy(element, {\n props: [replace(value, /:(read-\\w+)/, ':' + MOZ + '$1')]\n })], callback);\n // :placeholder\n\n case '::placeholder':\n return serialize([copy(element, {\n props: [replace(value, /:(plac\\w+)/, ':' + WEBKIT + 'input-$1')]\n }), copy(element, {\n props: [replace(value, /:(plac\\w+)/, ':' + MOZ + '$1')]\n }), copy(element, {\n props: [replace(value, /:(plac\\w+)/, MS + 'input-$1')]\n })], callback);\n }\n\n return '';\n });\n }\n};\n\nvar defaultStylisPlugins = [prefixer];\n\nvar createCache = function\n /*: EmotionCache */\ncreateCache(options\n/*: Options */\n) {\n var key = options.key;\n\n if (key === 'css') {\n var ssrStyles = document.querySelectorAll(\"style[data-emotion]:not([data-s])\"); // get SSRed styles out of the way of React's hydration\n // document.head is a safe place to move them to(though note document.head is not necessarily the last place they will be)\n // note this very very intentionally targets all style elements regardless of the key to ensure\n // that creating a cache works inside of render of a React component\n\n Array.prototype.forEach.call(ssrStyles, function (node\n /*: HTMLStyleElement */\n ) {\n // we want to only move elements which have a space in the data-emotion attribute value\n // because that indicates that it is an Emotion 11 server-side rendered style elements\n // while we will already ignore Emotion 11 client-side inserted styles because of the :not([data-s]) part in the selector\n // Emotion 10 client-side inserted styles did not have data-s (but importantly did not have a space in their data-emotion attributes)\n // so checking for the space ensures that loading Emotion 11 after Emotion 10 has inserted some styles\n // will not result in the Emotion 10 styles being destroyed\n var dataEmotionAttribute = node.getAttribute('data-emotion');\n\n if (dataEmotionAttribute.indexOf(' ') === -1) {\n return;\n }\n\n document.head.appendChild(node);\n node.setAttribute('data-s', '');\n });\n }\n\n var stylisPlugins = options.stylisPlugins || defaultStylisPlugins;\n\n var inserted = {};\n var container;\n /* : Node */\n\n var nodesToHydrate = [];\n\n {\n container = options.container || document.head;\n Array.prototype.forEach.call( // this means we will ignore elements which don't have a space in them which\n // means that the style elements we're looking at are only Emotion 11 server-rendered style elements\n document.querySelectorAll(\"style[data-emotion^=\\\"\" + key + \" \\\"]\"), function (node\n /*: HTMLStyleElement */\n ) {\n var attrib = node.getAttribute(\"data-emotion\").split(' ');\n\n for (var i = 1; i < attrib.length; i++) {\n inserted[attrib[i]] = true;\n }\n\n nodesToHydrate.push(node);\n });\n }\n\n var _insert;\n /*: (\n selector: string,\n serialized: SerializedStyles,\n sheet: StyleSheet,\n shouldCache: boolean\n ) => string | void */\n\n\n var omnipresentPlugins = [compat, removeLabel];\n\n {\n var currentSheet;\n var finalizingPlugins = [stringify, rulesheet(function (rule) {\n currentSheet.insert(rule);\n })];\n var serializer = middleware(omnipresentPlugins.concat(stylisPlugins, finalizingPlugins));\n\n var stylis = function stylis(styles) {\n return serialize(compile(styles), serializer);\n };\n\n _insert = function\n /*: void */\n insert(selector\n /*: string */\n , serialized\n /*: SerializedStyles */\n , sheet\n /*: StyleSheet */\n , shouldCache\n /*: boolean */\n ) {\n currentSheet = sheet;\n\n stylis(selector ? selector + \"{\" + serialized.styles + \"}\" : serialized.styles);\n\n if (shouldCache) {\n cache.inserted[serialized.name] = true;\n }\n };\n }\n\n var cache\n /*: EmotionCache */\n = {\n key: key,\n sheet: new StyleSheet({\n key: key,\n container: container,\n nonce: options.nonce,\n speedy: options.speedy,\n prepend: options.prepend,\n insertionPoint: options.insertionPoint\n }),\n nonce: options.nonce,\n inserted: inserted,\n registered: {},\n insert: _insert\n };\n cache.sheet.hydrate(nodesToHydrate);\n return cache;\n};\n\nexport { createCache as default };\n","import {MS, MOZ, WEBKIT, RULESET, KEYFRAMES, DECLARATION} from './Enum.js'\nimport {match, charat, substr, strlen, sizeof, replace, combine} from './Utility.js'\nimport {copy, tokenize} from './Tokenizer.js'\nimport {serialize} from './Serializer.js'\nimport {prefix} from './Prefixer.js'\n\n/**\n * @param {function[]} collection\n * @return {function}\n */\nexport function middleware (collection) {\n\tvar length = sizeof(collection)\n\n\treturn function (element, index, children, callback) {\n\t\tvar output = ''\n\n\t\tfor (var i = 0; i < length; i++)\n\t\t\toutput += collection[i](element, index, children, callback) || ''\n\n\t\treturn output\n\t}\n}\n\n/**\n * @param {function} callback\n * @return {function}\n */\nexport function rulesheet (callback) {\n\treturn function (element) {\n\t\tif (!element.root)\n\t\t\tif (element = element.return)\n\t\t\t\tcallback(element)\n\t}\n}\n\n/**\n * @param {object} element\n * @param {number} index\n * @param {object[]} children\n * @param {function} callback\n */\nexport function prefixer (element, index, children, callback) {\n\tif (element.length > -1)\n\t\tif (!element.return)\n\t\t\tswitch (element.type) {\n\t\t\t\tcase DECLARATION: element.return = prefix(element.value, element.length, children)\n\t\t\t\t\treturn\n\t\t\t\tcase KEYFRAMES:\n\t\t\t\t\treturn serialize([copy(element, {value: replace(element.value, '@', '@' + WEBKIT)})], callback)\n\t\t\t\tcase RULESET:\n\t\t\t\t\tif (element.length)\n\t\t\t\t\t\treturn combine(element.props, function (value) {\n\t\t\t\t\t\t\tswitch (match(value, /(::plac\\w+|:read-\\w+)/)) {\n\t\t\t\t\t\t\t\t// :read-(only|write)\n\t\t\t\t\t\t\t\tcase ':read-only': case ':read-write':\n\t\t\t\t\t\t\t\t\treturn serialize([copy(element, {props: [replace(value, /:(read-\\w+)/, ':' + MOZ + '$1')]})], callback)\n\t\t\t\t\t\t\t\t// :placeholder\n\t\t\t\t\t\t\t\tcase '::placeholder':\n\t\t\t\t\t\t\t\t\treturn serialize([\n\t\t\t\t\t\t\t\t\t\tcopy(element, {props: [replace(value, /:(plac\\w+)/, ':' + WEBKIT + 'input-$1')]}),\n\t\t\t\t\t\t\t\t\t\tcopy(element, {props: [replace(value, /:(plac\\w+)/, ':' + MOZ + '$1')]}),\n\t\t\t\t\t\t\t\t\t\tcopy(element, {props: [replace(value, /:(plac\\w+)/, MS + 'input-$1')]})\n\t\t\t\t\t\t\t\t\t], callback)\n\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\treturn ''\n\t\t\t\t\t\t})\n\t\t\t}\n}\n\n/**\n * @param {object} element\n * @param {number} index\n * @param {object[]} children\n */\nexport function namespace (element) {\n\tswitch (element.type) {\n\t\tcase RULESET:\n\t\t\telement.props = element.props.map(function (value) {\n\t\t\t\treturn combine(tokenize(value), function (value, index, children) {\n\t\t\t\t\tswitch (charat(value, 0)) {\n\t\t\t\t\t\t// \\f\n\t\t\t\t\t\tcase 12:\n\t\t\t\t\t\t\treturn substr(value, 1, strlen(value))\n\t\t\t\t\t\t// \\0 ( + > ~\n\t\t\t\t\t\tcase 0: case 40: case 43: case 62: case 126:\n\t\t\t\t\t\t\treturn value\n\t\t\t\t\t\t// :\n\t\t\t\t\t\tcase 58:\n\t\t\t\t\t\t\tif (children[++index] === 'global')\n\t\t\t\t\t\t\t\tchildren[index] = '', children[++index] = '\\f' + substr(children[index], index = 1, -1)\n\t\t\t\t\t\t// \\s\n\t\t\t\t\t\tcase 32:\n\t\t\t\t\t\t\treturn index === 1 ? '' : value\n\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\tswitch (index) {\n\t\t\t\t\t\t\t\tcase 0: element = value\n\t\t\t\t\t\t\t\t\treturn sizeof(children) > 1 ? '' : value\n\t\t\t\t\t\t\t\tcase index = sizeof(children) - 1: case 2:\n\t\t\t\t\t\t\t\t\treturn index === 2 ? value + element + element : value + element\n\t\t\t\t\t\t\t\tdefault:\n\t\t\t\t\t\t\t\t\treturn value\n\t\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t})\n\t\t\t})\n\t}\n}\n","function memoize(fn) {\n var cache = Object.create(null);\n return function (arg) {\n if (cache[arg] === undefined) cache[arg] = fn(arg);\n return cache[arg];\n };\n}\n\nexport { memoize as default };\n","var weakMemoize = function weakMemoize(func) {\n var cache = new WeakMap();\n return function (arg) {\n if (cache.has(arg)) {\n // Use non-null assertion because we just checked that the cache `has` it\n // This allows us to remove `undefined` from the return value\n return cache.get(arg);\n }\n\n var ret = func(arg);\n cache.set(arg, ret);\n return ret;\n };\n};\n\nexport { weakMemoize as default };\n","import * as React from 'react';\nimport { useContext, forwardRef } from 'react';\nimport createCache from '@emotion/cache';\nimport _extends from '@babel/runtime/helpers/esm/extends';\nimport weakMemoize from '@emotion/weak-memoize';\nimport hoistNonReactStatics from '../_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.js';\nimport { getRegisteredStyles, registerStyles, insertStyles } from '@emotion/utils';\nimport { serializeStyles } from '@emotion/serialize';\nimport { useInsertionEffectAlwaysWithSyncFallback } from '@emotion/use-insertion-effect-with-fallbacks';\n\nvar isDevelopment = false;\n\n/* import { type EmotionCache } from '@emotion/utils' */\nvar EmotionCacheContext\n/*: React.Context */\n= /* #__PURE__ */React.createContext( // we're doing this to avoid preconstruct's dead code elimination in this one case\n// because this module is primarily intended for the browser and node\n// but it's also required in react native and similar environments sometimes\n// and we could have a special build just for that\n// but this is much easier and the native packages\n// might use a different theme context in the future anyway\ntypeof HTMLElement !== 'undefined' ? /* #__PURE__ */createCache({\n key: 'css'\n}) : null);\n\nvar CacheProvider = EmotionCacheContext.Provider;\nvar __unsafe_useEmotionCache = function useEmotionCache()\n/*: EmotionCache | null*/\n{\n return useContext(EmotionCacheContext);\n};\n\nvar withEmotionCache = function withEmotionCache\n/* > */\n(func\n/*: (props: Props, cache: EmotionCache, ref: Ref) => React.Node */\n)\n/*: React.AbstractComponent */\n{\n return /*#__PURE__*/forwardRef(function (props\n /*: Props */\n , ref\n /*: Ref */\n ) {\n // the cache will never be null in the browser\n var cache = useContext(EmotionCacheContext);\n return func(props, cache, ref);\n });\n};\n\nvar ThemeContext = /* #__PURE__ */React.createContext({});\n\nvar useTheme = function useTheme() {\n return React.useContext(ThemeContext);\n};\n\nvar getTheme = function getTheme(outerTheme\n/*: Object */\n, theme\n/*: Object | (Object => Object) */\n) {\n if (typeof theme === 'function') {\n var mergedTheme = theme(outerTheme);\n\n return mergedTheme;\n }\n\n return _extends({}, outerTheme, theme);\n};\n\nvar createCacheWithTheme = /* #__PURE__ */weakMemoize(function (outerTheme) {\n return weakMemoize(function (theme) {\n return getTheme(outerTheme, theme);\n });\n});\n/*\ntype ThemeProviderProps = {\n theme: Object | (Object => Object),\n children: React.Node\n}\n*/\n\nvar ThemeProvider = function ThemeProvider(props\n/*: ThemeProviderProps */\n) {\n var theme = React.useContext(ThemeContext);\n\n if (props.theme !== theme) {\n theme = createCacheWithTheme(theme)(props.theme);\n }\n\n return /*#__PURE__*/React.createElement(ThemeContext.Provider, {\n value: theme\n }, props.children);\n};\nfunction withTheme\n/* */\n(Component\n/*: React.AbstractComponent */\n)\n/*: React.AbstractComponent<$Diff> */\n{\n var componentName = Component.displayName || Component.name || 'Component';\n\n var render = function render(props, ref) {\n var theme = React.useContext(ThemeContext);\n return /*#__PURE__*/React.createElement(Component, _extends({\n theme: theme,\n ref: ref\n }, props));\n };\n\n var WithTheme = /*#__PURE__*/React.forwardRef(render);\n WithTheme.displayName = \"WithTheme(\" + componentName + \")\";\n return hoistNonReactStatics(WithTheme, Component);\n}\n\nvar hasOwn = {}.hasOwnProperty;\n\nvar typePropName = '__EMOTION_TYPE_PLEASE_DO_NOT_USE__';\nvar createEmotionProps = function createEmotionProps(type\n/*: React.ElementType */\n, props\n/*: Object */\n) {\n\n var newProps\n /*: any */\n = {};\n\n for (var key in props) {\n if (hasOwn.call(props, key)) {\n newProps[key] = props[key];\n }\n }\n\n newProps[typePropName] = type; // Runtime labeling is an opt-in feature because:\n\n return newProps;\n};\n\nvar Insertion = function Insertion(_ref) {\n var cache = _ref.cache,\n serialized = _ref.serialized,\n isStringTag = _ref.isStringTag;\n registerStyles(cache, serialized, isStringTag);\n useInsertionEffectAlwaysWithSyncFallback(function () {\n return insertStyles(cache, serialized, isStringTag);\n });\n\n return null;\n};\n\nvar Emotion = /* #__PURE__ */withEmotionCache(\n/* */\nfunction (props, cache, ref) {\n var cssProp = props.css; // so that using `css` from `emotion` and passing the result to the css prop works\n // not passing the registered cache to serializeStyles because it would\n // make certain babel optimisations not possible\n\n if (typeof cssProp === 'string' && cache.registered[cssProp] !== undefined) {\n cssProp = cache.registered[cssProp];\n }\n\n var WrappedComponent = props[typePropName];\n var registeredStyles = [cssProp];\n var className = '';\n\n if (typeof props.className === 'string') {\n className = getRegisteredStyles(cache.registered, registeredStyles, props.className);\n } else if (props.className != null) {\n className = props.className + \" \";\n }\n\n var serialized = serializeStyles(registeredStyles, undefined, React.useContext(ThemeContext));\n\n className += cache.key + \"-\" + serialized.name;\n var newProps = {};\n\n for (var key in props) {\n if (hasOwn.call(props, key) && key !== 'css' && key !== typePropName && (!isDevelopment )) {\n newProps[key] = props[key];\n }\n }\n\n newProps.className = className;\n\n if (ref) {\n newProps.ref = ref;\n }\n\n return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(Insertion, {\n cache: cache,\n serialized: serialized,\n isStringTag: typeof WrappedComponent === 'string'\n }), /*#__PURE__*/React.createElement(WrappedComponent, newProps));\n});\n\nvar Emotion$1 = Emotion;\n\nexport { CacheProvider as C, Emotion$1 as E, ThemeContext as T, __unsafe_useEmotionCache as _, ThemeProvider as a, withTheme as b, createEmotionProps as c, hasOwn as h, isDevelopment as i, useTheme as u, withEmotionCache as w };\n","import { h as hasOwn, E as Emotion, c as createEmotionProps, w as withEmotionCache, T as ThemeContext, i as isDevelopment } from './emotion-element-5486c51c.browser.esm.js';\nexport { C as CacheProvider, T as ThemeContext, a as ThemeProvider, _ as __unsafe_useEmotionCache, u as useTheme, w as withEmotionCache, b as withTheme } from './emotion-element-5486c51c.browser.esm.js';\nimport * as React from 'react';\nimport { insertStyles, registerStyles, getRegisteredStyles } from '@emotion/utils';\nimport { useInsertionEffectWithLayoutFallback, useInsertionEffectAlwaysWithSyncFallback } from '@emotion/use-insertion-effect-with-fallbacks';\nimport { serializeStyles } from '@emotion/serialize';\nimport '@emotion/cache';\nimport '@babel/runtime/helpers/extends';\nimport '@emotion/weak-memoize';\nimport '../_isolated-hnrs/dist/emotion-react-_isolated-hnrs.browser.esm.js';\nimport 'hoist-non-react-statics';\n\nvar jsx\n/*: typeof React.createElement */\n= function jsx\n/*: typeof React.createElement */\n(type\n/*: React.ElementType */\n, props\n/*: Object */\n) {\n var args = arguments;\n\n if (props == null || !hasOwn.call(props, 'css')) {\n return React.createElement.apply(undefined, args);\n }\n\n var argsLength = args.length;\n var createElementArgArray = new Array(argsLength);\n createElementArgArray[0] = Emotion;\n createElementArgArray[1] = createEmotionProps(type, props);\n\n for (var i = 2; i < argsLength; i++) {\n createElementArgArray[i] = args[i];\n }\n\n return React.createElement.apply(null, createElementArgArray);\n};\n\n// initial render from browser, insertBefore context.sheet.tags[0] or if a style hasn't been inserted there yet, appendChild\n// initial client-side render from SSR, use place of hydrating tag\n\nvar Global\n/*: React.AbstractComponent<\nGlobalProps\n> */\n= /* #__PURE__ */withEmotionCache(function (props\n/*: GlobalProps */\n, cache) {\n\n var styles = props.styles;\n var serialized = serializeStyles([styles], undefined, React.useContext(ThemeContext));\n // but it is based on a constant that will never change at runtime\n // it's effectively like having two implementations and switching them out\n // so it's not actually breaking anything\n\n\n var sheetRef = React.useRef();\n useInsertionEffectWithLayoutFallback(function () {\n var key = cache.key + \"-global\"; // use case of https://github.com/emotion-js/emotion/issues/2675\n\n var sheet = new cache.sheet.constructor({\n key: key,\n nonce: cache.sheet.nonce,\n container: cache.sheet.container,\n speedy: cache.sheet.isSpeedy\n });\n var rehydrating = false;\n var node\n /*: HTMLStyleElement | null*/\n = document.querySelector(\"style[data-emotion=\\\"\" + key + \" \" + serialized.name + \"\\\"]\");\n\n if (cache.sheet.tags.length) {\n sheet.before = cache.sheet.tags[0];\n }\n\n if (node !== null) {\n rehydrating = true; // clear the hash so this node won't be recognizable as rehydratable by other s\n\n node.setAttribute('data-emotion', key);\n sheet.hydrate([node]);\n }\n\n sheetRef.current = [sheet, rehydrating];\n return function () {\n sheet.flush();\n };\n }, [cache]);\n useInsertionEffectWithLayoutFallback(function () {\n var sheetRefCurrent = sheetRef.current;\n var sheet = sheetRefCurrent[0],\n rehydrating = sheetRefCurrent[1];\n\n if (rehydrating) {\n sheetRefCurrent[1] = false;\n return;\n }\n\n if (serialized.next !== undefined) {\n // insert keyframes\n insertStyles(cache, serialized.next, true);\n }\n\n if (sheet.tags.length) {\n // if this doesn't exist then it will be null so the style element will be appended\n var element = sheet.tags[sheet.tags.length - 1].nextElementSibling;\n sheet.before = element;\n sheet.flush();\n }\n\n cache.insert(\"\", serialized, sheet, false);\n }, [cache, serialized.name]);\n return null;\n});\n\n/* import type { Interpolation, SerializedStyles } from '@emotion/utils' */\n\nfunction css()\n/*: SerializedStyles */\n{\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return serializeStyles(args);\n}\n\n/*\ntype Keyframes = {|\n name: string,\n styles: string,\n anim: 1,\n toString: () => string\n|} & string\n*/\n\nvar keyframes = function\n /*: Keyframes */\nkeyframes() {\n var insertable = css.apply(void 0, arguments);\n var name = \"animation-\" + insertable.name;\n return {\n name: name,\n styles: \"@keyframes \" + name + \"{\" + insertable.styles + \"}\",\n anim: 1,\n toString: function toString() {\n return \"_EMO_\" + this.name + \"_\" + this.styles + \"_EMO_\";\n }\n };\n};\n\n/*\ntype ClassNameArg =\n | string\n | boolean\n | { [key: string]: boolean }\n | Array\n | null\n | void\n*/\n\nvar classnames = function\n /*: string */\nclassnames(args\n/*: Array */\n) {\n var len = args.length;\n var i = 0;\n var cls = '';\n\n for (; i < len; i++) {\n var arg = args[i];\n if (arg == null) continue;\n var toAdd = void 0;\n\n switch (typeof arg) {\n case 'boolean':\n break;\n\n case 'object':\n {\n if (Array.isArray(arg)) {\n toAdd = classnames(arg);\n } else {\n\n toAdd = '';\n\n for (var k in arg) {\n if (arg[k] && k) {\n toAdd && (toAdd += ' ');\n toAdd += k;\n }\n }\n }\n\n break;\n }\n\n default:\n {\n toAdd = arg;\n }\n }\n\n if (toAdd) {\n cls && (cls += ' ');\n cls += toAdd;\n }\n }\n\n return cls;\n};\n\nfunction merge(registered\n/*: Object */\n, css\n/*: (...args: Array) => string */\n, className\n/*: string */\n) {\n var registeredStyles = [];\n var rawClassName = getRegisteredStyles(registered, registeredStyles, className);\n\n if (registeredStyles.length < 2) {\n return className;\n }\n\n return rawClassName + css(registeredStyles);\n}\n\nvar Insertion = function Insertion(_ref) {\n var cache = _ref.cache,\n serializedArr = _ref.serializedArr;\n useInsertionEffectAlwaysWithSyncFallback(function () {\n\n for (var i = 0; i < serializedArr.length; i++) {\n insertStyles(cache, serializedArr[i], false);\n }\n });\n\n return null;\n};\n/*\ntype Props = {\n children: ({\n css: (...args: any) => string,\n cx: (...args: Array) => string,\n theme: Object\n }) => React.Node\n} */\n\n\nvar ClassNames\n/*: React.AbstractComponent*/\n= /* #__PURE__ */withEmotionCache(function (props, cache) {\n var hasRendered = false;\n var serializedArr = [];\n\n var css = function css() {\n if (hasRendered && isDevelopment) {\n throw new Error('css can only be used during render');\n }\n\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n var serialized = serializeStyles(args, cache.registered);\n serializedArr.push(serialized); // registration has to happen here as the result of this might get consumed by `cx`\n\n registerStyles(cache, serialized, false);\n return cache.key + \"-\" + serialized.name;\n };\n\n var cx = function cx() {\n if (hasRendered && isDevelopment) {\n throw new Error('cx can only be used during render');\n }\n\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n return merge(cache.registered, css, classnames(args));\n };\n\n var content = {\n css: css,\n cx: cx,\n theme: React.useContext(ThemeContext)\n };\n var ele = props.children(content);\n hasRendered = true;\n return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(Insertion, {\n cache: cache,\n serializedArr: serializedArr\n }), ele);\n});\n\nexport { ClassNames, Global, jsx as createElement, css, jsx, keyframes };\n","var unitlessKeys = {\n animationIterationCount: 1,\n aspectRatio: 1,\n borderImageOutset: 1,\n borderImageSlice: 1,\n borderImageWidth: 1,\n boxFlex: 1,\n boxFlexGroup: 1,\n boxOrdinalGroup: 1,\n columnCount: 1,\n columns: 1,\n flex: 1,\n flexGrow: 1,\n flexPositive: 1,\n flexShrink: 1,\n flexNegative: 1,\n flexOrder: 1,\n gridRow: 1,\n gridRowEnd: 1,\n gridRowSpan: 1,\n gridRowStart: 1,\n gridColumn: 1,\n gridColumnEnd: 1,\n gridColumnSpan: 1,\n gridColumnStart: 1,\n msGridRow: 1,\n msGridRowSpan: 1,\n msGridColumn: 1,\n msGridColumnSpan: 1,\n fontWeight: 1,\n lineHeight: 1,\n opacity: 1,\n order: 1,\n orphans: 1,\n tabSize: 1,\n widows: 1,\n zIndex: 1,\n zoom: 1,\n WebkitLineClamp: 1,\n // SVG-related properties\n fillOpacity: 1,\n floodOpacity: 1,\n stopOpacity: 1,\n strokeDasharray: 1,\n strokeDashoffset: 1,\n strokeMiterlimit: 1,\n strokeOpacity: 1,\n strokeWidth: 1\n};\n\nexport { unitlessKeys as default };\n","import hashString from '@emotion/hash';\nimport unitless from '@emotion/unitless';\nimport memoize from '@emotion/memoize';\n\nvar isDevelopment = false;\n\nvar hyphenateRegex = /[A-Z]|^ms/g;\nvar animationRegex = /_EMO_([^_]+?)_([^]*?)_EMO_/g;\n\nvar isCustomProperty = function isCustomProperty(property) {\n return property.charCodeAt(1) === 45;\n};\n\nvar isProcessableValue = function isProcessableValue(value) {\n return value != null && typeof value !== 'boolean';\n};\n\nvar processStyleName = /* #__PURE__ */memoize(function (styleName) {\n return isCustomProperty(styleName) ? styleName : styleName.replace(hyphenateRegex, '-$&').toLowerCase();\n});\n\nvar processStyleValue = function processStyleValue(key, value) {\n switch (key) {\n case 'animation':\n case 'animationName':\n {\n if (typeof value === 'string') {\n return value.replace(animationRegex, function (match, p1, p2) {\n cursor = {\n name: p1,\n styles: p2,\n next: cursor\n };\n return p1;\n });\n }\n }\n }\n\n if (unitless[key] !== 1 && !isCustomProperty(key) && typeof value === 'number' && value !== 0) {\n return value + 'px';\n }\n\n return value;\n};\n\nvar noComponentSelectorMessage = 'Component selectors can only be used in conjunction with ' + '@emotion/babel-plugin, the swc Emotion plugin, or another Emotion-aware ' + 'compiler transform.';\n\nfunction handleInterpolation(mergedProps, registered, interpolation) {\n if (interpolation == null) {\n return '';\n }\n\n var componentSelector = interpolation;\n\n if (componentSelector.__emotion_styles !== undefined) {\n\n return componentSelector;\n }\n\n switch (typeof interpolation) {\n case 'boolean':\n {\n return '';\n }\n\n case 'object':\n {\n var keyframes = interpolation;\n\n if (keyframes.anim === 1) {\n cursor = {\n name: keyframes.name,\n styles: keyframes.styles,\n next: cursor\n };\n return keyframes.name;\n }\n\n var serializedStyles = interpolation;\n\n if (serializedStyles.styles !== undefined) {\n var next = serializedStyles.next;\n\n if (next !== undefined) {\n // not the most efficient thing ever but this is a pretty rare case\n // and there will be very few iterations of this generally\n while (next !== undefined) {\n cursor = {\n name: next.name,\n styles: next.styles,\n next: cursor\n };\n next = next.next;\n }\n }\n\n var styles = serializedStyles.styles + \";\";\n\n return styles;\n }\n\n return createStringFromObject(mergedProps, registered, interpolation);\n }\n\n case 'function':\n {\n if (mergedProps !== undefined) {\n var previousCursor = cursor;\n var result = interpolation(mergedProps);\n cursor = previousCursor;\n return handleInterpolation(mergedProps, registered, result);\n }\n\n break;\n }\n } // finalize string values (regular strings and functions interpolated into css calls)\n\n\n var asString = interpolation;\n\n if (registered == null) {\n return asString;\n }\n\n var cached = registered[asString];\n return cached !== undefined ? cached : asString;\n}\n\nfunction createStringFromObject(mergedProps, registered, obj) {\n var string = '';\n\n if (Array.isArray(obj)) {\n for (var i = 0; i < obj.length; i++) {\n string += handleInterpolation(mergedProps, registered, obj[i]) + \";\";\n }\n } else {\n for (var key in obj) {\n var value = obj[key];\n\n if (typeof value !== 'object') {\n var asString = value;\n\n if (registered != null && registered[asString] !== undefined) {\n string += key + \"{\" + registered[asString] + \"}\";\n } else if (isProcessableValue(asString)) {\n string += processStyleName(key) + \":\" + processStyleValue(key, asString) + \";\";\n }\n } else {\n if (key === 'NO_COMPONENT_SELECTOR' && isDevelopment) {\n throw new Error(noComponentSelectorMessage);\n }\n\n if (Array.isArray(value) && typeof value[0] === 'string' && (registered == null || registered[value[0]] === undefined)) {\n for (var _i = 0; _i < value.length; _i++) {\n if (isProcessableValue(value[_i])) {\n string += processStyleName(key) + \":\" + processStyleValue(key, value[_i]) + \";\";\n }\n }\n } else {\n var interpolated = handleInterpolation(mergedProps, registered, value);\n\n switch (key) {\n case 'animation':\n case 'animationName':\n {\n string += processStyleName(key) + \":\" + interpolated + \";\";\n break;\n }\n\n default:\n {\n\n string += key + \"{\" + interpolated + \"}\";\n }\n }\n }\n }\n }\n }\n\n return string;\n}\n\nvar labelPattern = /label:\\s*([^\\s;\\n{]+)\\s*(;|$)/g;\n// keyframes are stored on the SerializedStyles object as a linked list\n\n\nvar cursor;\nfunction serializeStyles(args, registered, mergedProps) {\n if (args.length === 1 && typeof args[0] === 'object' && args[0] !== null && args[0].styles !== undefined) {\n return args[0];\n }\n\n var stringMode = true;\n var styles = '';\n cursor = undefined;\n var strings = args[0];\n\n if (strings == null || strings.raw === undefined) {\n stringMode = false;\n styles += handleInterpolation(mergedProps, registered, strings);\n } else {\n var asTemplateStringsArr = strings;\n\n styles += asTemplateStringsArr[0];\n } // we start at 1 since we've already handled the first arg\n\n\n for (var i = 1; i < args.length; i++) {\n styles += handleInterpolation(mergedProps, registered, args[i]);\n\n if (stringMode) {\n var templateStringsArr = strings;\n\n styles += templateStringsArr[i];\n }\n }\n\n\n labelPattern.lastIndex = 0;\n var identifierName = '';\n var match; // https://esbench.com/bench/5b809c2cf2949800a0f61fb5\n\n while ((match = labelPattern.exec(styles)) !== null) {\n identifierName += '-' + match[1];\n }\n\n var name = hashString(styles) + identifierName;\n\n return {\n name: name,\n styles: styles,\n next: cursor\n };\n}\n\nexport { serializeStyles };\n","/* eslint-disable */\n// Inspired by https://github.com/garycourt/murmurhash-js\n// Ported from https://github.com/aappleby/smhasher/blob/61a0530f28277f2e850bfc39600ce61d02b518de/src/MurmurHash2.cpp#L37-L86\nfunction murmur2(str) {\n // 'm' and 'r' are mixing constants generated offline.\n // They're not really 'magic', they just happen to work well.\n // const m = 0x5bd1e995;\n // const r = 24;\n // Initialize the hash\n var h = 0; // Mix 4 bytes at a time into the hash\n\n var k,\n i = 0,\n len = str.length;\n\n for (; len >= 4; ++i, len -= 4) {\n k = str.charCodeAt(i) & 0xff | (str.charCodeAt(++i) & 0xff) << 8 | (str.charCodeAt(++i) & 0xff) << 16 | (str.charCodeAt(++i) & 0xff) << 24;\n k =\n /* Math.imul(k, m): */\n (k & 0xffff) * 0x5bd1e995 + ((k >>> 16) * 0xe995 << 16);\n k ^=\n /* k >>> r: */\n k >>> 24;\n h =\n /* Math.imul(k, m): */\n (k & 0xffff) * 0x5bd1e995 + ((k >>> 16) * 0xe995 << 16) ^\n /* Math.imul(h, m): */\n (h & 0xffff) * 0x5bd1e995 + ((h >>> 16) * 0xe995 << 16);\n } // Handle the last few bytes of the input array\n\n\n switch (len) {\n case 3:\n h ^= (str.charCodeAt(i + 2) & 0xff) << 16;\n\n case 2:\n h ^= (str.charCodeAt(i + 1) & 0xff) << 8;\n\n case 1:\n h ^= str.charCodeAt(i) & 0xff;\n h =\n /* Math.imul(h, m): */\n (h & 0xffff) * 0x5bd1e995 + ((h >>> 16) * 0xe995 << 16);\n } // Do a few final mixes of the hash to ensure the last few\n // bytes are well-incorporated.\n\n\n h ^= h >>> 13;\n h =\n /* Math.imul(h, m): */\n (h & 0xffff) * 0x5bd1e995 + ((h >>> 16) * 0xe995 << 16);\n return ((h ^ h >>> 15) >>> 0).toString(36);\n}\n\nexport { murmur2 as default };\n","import * as React from 'react';\n\nvar syncFallback = function syncFallback(create) {\n return create();\n};\n\nvar useInsertionEffect = React['useInsertion' + 'Effect'] ? React['useInsertion' + 'Effect'] : false;\nvar useInsertionEffectAlwaysWithSyncFallback = useInsertionEffect || syncFallback;\nvar useInsertionEffectWithLayoutFallback = useInsertionEffect || React.useLayoutEffect;\n\nexport { useInsertionEffectAlwaysWithSyncFallback, useInsertionEffectWithLayoutFallback };\n","var isBrowser = true;\n\nfunction getRegisteredStyles(registered, registeredStyles, classNames) {\n var rawClassName = '';\n classNames.split(' ').forEach(function (className) {\n if (registered[className] !== undefined) {\n registeredStyles.push(registered[className] + \";\");\n } else {\n rawClassName += className + \" \";\n }\n });\n return rawClassName;\n}\nvar registerStyles = function registerStyles(cache, serialized, isStringTag) {\n var className = cache.key + \"-\" + serialized.name;\n\n if ( // we only need to add the styles to the registered cache if the\n // class name could be used further down\n // the tree but if it's a string tag, we know it won't\n // so we don't have to add it to registered cache.\n // this improves memory usage since we can avoid storing the whole style string\n (isStringTag === false || // we need to always store it if we're in compat mode and\n // in node since emotion-server relies on whether a style is in\n // the registered cache to know whether a style is global or not\n // also, note that this check will be dead code eliminated in the browser\n isBrowser === false ) && cache.registered[className] === undefined) {\n cache.registered[className] = serialized.styles;\n }\n};\nvar insertStyles = function insertStyles(cache, serialized, isStringTag) {\n registerStyles(cache, serialized, isStringTag);\n var className = cache.key + \"-\" + serialized.name;\n\n if (cache.inserted[serialized.name] === undefined) {\n var current = serialized;\n\n do {\n cache.insert(serialized === current ? \".\" + className : '', current, cache.sheet, true);\n\n current = current.next;\n } while (current !== undefined);\n }\n};\n\nexport { getRegisteredStyles, insertStyles, registerStyles };\n","////////////////////////////////////////////////////////////////////////////////\n//#region Types and Constants\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * Actions represent the type of change to a location value.\n */\nexport enum Action {\n /**\n * A POP indicates a change to an arbitrary index in the history stack, such\n * as a back or forward navigation. It does not describe the direction of the\n * navigation, only that the current index changed.\n *\n * Note: This is the default action for newly created history objects.\n */\n Pop = \"POP\",\n\n /**\n * A PUSH indicates a new entry being added to the history stack, such as when\n * a link is clicked and a new page loads. When this happens, all subsequent\n * entries in the stack are lost.\n */\n Push = \"PUSH\",\n\n /**\n * A REPLACE indicates the entry at the current index in the history stack\n * being replaced by a new one.\n */\n Replace = \"REPLACE\",\n}\n\n/**\n * The pathname, search, and hash values of a URL.\n */\nexport interface Path {\n /**\n * A URL pathname, beginning with a /.\n */\n pathname: string;\n\n /**\n * A URL search string, beginning with a ?.\n */\n search: string;\n\n /**\n * A URL fragment identifier, beginning with a #.\n */\n hash: string;\n}\n\n// TODO: (v7) Change the Location generic default from `any` to `unknown` and\n// remove Remix `useLocation` wrapper.\n\n/**\n * An entry in a history stack. A location contains information about the\n * URL path, as well as possibly some arbitrary state and a key.\n */\nexport interface Location extends Path {\n /**\n * A value of arbitrary data associated with this location.\n */\n state: State;\n\n /**\n * A unique string associated with this location. May be used to safely store\n * and retrieve data in some other storage API, like `localStorage`.\n *\n * Note: This value is always \"default\" on the initial location.\n */\n key: string;\n}\n\n/**\n * A change to the current location.\n */\nexport interface Update {\n /**\n * The action that triggered the change.\n */\n action: Action;\n\n /**\n * The new location.\n */\n location: Location;\n\n /**\n * The delta between this location and the former location in the history stack\n */\n delta: number | null;\n}\n\n/**\n * A function that receives notifications about location changes.\n */\nexport interface Listener {\n (update: Update): void;\n}\n\n/**\n * Describes a location that is the destination of some navigation, either via\n * `history.push` or `history.replace`. This may be either a URL or the pieces\n * of a URL path.\n */\nexport type To = string | Partial;\n\n/**\n * A history is an interface to the navigation stack. The history serves as the\n * source of truth for the current location, as well as provides a set of\n * methods that may be used to change it.\n *\n * It is similar to the DOM's `window.history` object, but with a smaller, more\n * focused API.\n */\nexport interface History {\n /**\n * The last action that modified the current location. This will always be\n * Action.Pop when a history instance is first created. This value is mutable.\n */\n readonly action: Action;\n\n /**\n * The current location. This value is mutable.\n */\n readonly location: Location;\n\n /**\n * Returns a valid href for the given `to` value that may be used as\n * the value of an attribute.\n *\n * @param to - The destination URL\n */\n createHref(to: To): string;\n\n /**\n * Returns a URL for the given `to` value\n *\n * @param to - The destination URL\n */\n createURL(to: To): URL;\n\n /**\n * Encode a location the same way window.history would do (no-op for memory\n * history) so we ensure our PUSH/REPLACE navigations for data routers\n * behave the same as POP\n *\n * @param to Unencoded path\n */\n encodeLocation(to: To): Path;\n\n /**\n * Pushes a new location onto the history stack, increasing its length by one.\n * If there were any entries in the stack after the current one, they are\n * lost.\n *\n * @param to - The new URL\n * @param state - Data to associate with the new location\n */\n push(to: To, state?: any): void;\n\n /**\n * Replaces the current location in the history stack with a new one. The\n * location that was replaced will no longer be available.\n *\n * @param to - The new URL\n * @param state - Data to associate with the new location\n */\n replace(to: To, state?: any): void;\n\n /**\n * Navigates `n` entries backward/forward in the history stack relative to the\n * current index. For example, a \"back\" navigation would use go(-1).\n *\n * @param delta - The delta in the stack index\n */\n go(delta: number): void;\n\n /**\n * Sets up a listener that will be called whenever the current location\n * changes.\n *\n * @param listener - A function that will be called when the location changes\n * @returns unlisten - A function that may be used to stop listening\n */\n listen(listener: Listener): () => void;\n}\n\ntype HistoryState = {\n usr: any;\n key?: string;\n idx: number;\n};\n\nconst PopStateEventType = \"popstate\";\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region Memory History\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * A user-supplied object that describes a location. Used when providing\n * entries to `createMemoryHistory` via its `initialEntries` option.\n */\nexport type InitialEntry = string | Partial;\n\nexport type MemoryHistoryOptions = {\n initialEntries?: InitialEntry[];\n initialIndex?: number;\n v5Compat?: boolean;\n};\n\n/**\n * A memory history stores locations in memory. This is useful in stateful\n * environments where there is no web browser, such as node tests or React\n * Native.\n */\nexport interface MemoryHistory extends History {\n /**\n * The current index in the history stack.\n */\n readonly index: number;\n}\n\n/**\n * Memory history stores the current location in memory. It is designed for use\n * in stateful non-browser environments like tests and React Native.\n */\nexport function createMemoryHistory(\n options: MemoryHistoryOptions = {}\n): MemoryHistory {\n let { initialEntries = [\"/\"], initialIndex, v5Compat = false } = options;\n let entries: Location[]; // Declare so we can access from createMemoryLocation\n entries = initialEntries.map((entry, index) =>\n createMemoryLocation(\n entry,\n typeof entry === \"string\" ? null : entry.state,\n index === 0 ? \"default\" : undefined\n )\n );\n let index = clampIndex(\n initialIndex == null ? entries.length - 1 : initialIndex\n );\n let action = Action.Pop;\n let listener: Listener | null = null;\n\n function clampIndex(n: number): number {\n return Math.min(Math.max(n, 0), entries.length - 1);\n }\n function getCurrentLocation(): Location {\n return entries[index];\n }\n function createMemoryLocation(\n to: To,\n state: any = null,\n key?: string\n ): Location {\n let location = createLocation(\n entries ? getCurrentLocation().pathname : \"/\",\n to,\n state,\n key\n );\n warning(\n location.pathname.charAt(0) === \"/\",\n `relative pathnames are not supported in memory history: ${JSON.stringify(\n to\n )}`\n );\n return location;\n }\n\n function createHref(to: To) {\n return typeof to === \"string\" ? to : createPath(to);\n }\n\n let history: MemoryHistory = {\n get index() {\n return index;\n },\n get action() {\n return action;\n },\n get location() {\n return getCurrentLocation();\n },\n createHref,\n createURL(to) {\n return new URL(createHref(to), \"http://localhost\");\n },\n encodeLocation(to: To) {\n let path = typeof to === \"string\" ? parsePath(to) : to;\n return {\n pathname: path.pathname || \"\",\n search: path.search || \"\",\n hash: path.hash || \"\",\n };\n },\n push(to, state) {\n action = Action.Push;\n let nextLocation = createMemoryLocation(to, state);\n index += 1;\n entries.splice(index, entries.length, nextLocation);\n if (v5Compat && listener) {\n listener({ action, location: nextLocation, delta: 1 });\n }\n },\n replace(to, state) {\n action = Action.Replace;\n let nextLocation = createMemoryLocation(to, state);\n entries[index] = nextLocation;\n if (v5Compat && listener) {\n listener({ action, location: nextLocation, delta: 0 });\n }\n },\n go(delta) {\n action = Action.Pop;\n let nextIndex = clampIndex(index + delta);\n let nextLocation = entries[nextIndex];\n index = nextIndex;\n if (listener) {\n listener({ action, location: nextLocation, delta });\n }\n },\n listen(fn: Listener) {\n listener = fn;\n return () => {\n listener = null;\n };\n },\n };\n\n return history;\n}\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region Browser History\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * A browser history stores the current location in regular URLs in a web\n * browser environment. This is the standard for most web apps and provides the\n * cleanest URLs the browser's address bar.\n *\n * @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#browserhistory\n */\nexport interface BrowserHistory extends UrlHistory {}\n\nexport type BrowserHistoryOptions = UrlHistoryOptions;\n\n/**\n * Browser history stores the location in regular URLs. This is the standard for\n * most web apps, but it requires some configuration on the server to ensure you\n * serve the same app at multiple URLs.\n *\n * @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#createbrowserhistory\n */\nexport function createBrowserHistory(\n options: BrowserHistoryOptions = {}\n): BrowserHistory {\n function createBrowserLocation(\n window: Window,\n globalHistory: Window[\"history\"]\n ) {\n let { pathname, search, hash } = window.location;\n return createLocation(\n \"\",\n { pathname, search, hash },\n // state defaults to `null` because `window.history.state` does\n (globalHistory.state && globalHistory.state.usr) || null,\n (globalHistory.state && globalHistory.state.key) || \"default\"\n );\n }\n\n function createBrowserHref(window: Window, to: To) {\n return typeof to === \"string\" ? to : createPath(to);\n }\n\n return getUrlBasedHistory(\n createBrowserLocation,\n createBrowserHref,\n null,\n options\n );\n}\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region Hash History\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * A hash history stores the current location in the fragment identifier portion\n * of the URL in a web browser environment.\n *\n * This is ideal for apps that do not control the server for some reason\n * (because the fragment identifier is never sent to the server), including some\n * shared hosting environments that do not provide fine-grained controls over\n * which pages are served at which URLs.\n *\n * @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#hashhistory\n */\nexport interface HashHistory extends UrlHistory {}\n\nexport type HashHistoryOptions = UrlHistoryOptions;\n\n/**\n * Hash history stores the location in window.location.hash. This makes it ideal\n * for situations where you don't want to send the location to the server for\n * some reason, either because you do cannot configure it or the URL space is\n * reserved for something else.\n *\n * @see https://github.com/remix-run/history/tree/main/docs/api-reference.md#createhashhistory\n */\nexport function createHashHistory(\n options: HashHistoryOptions = {}\n): HashHistory {\n function createHashLocation(\n window: Window,\n globalHistory: Window[\"history\"]\n ) {\n let {\n pathname = \"/\",\n search = \"\",\n hash = \"\",\n } = parsePath(window.location.hash.substr(1));\n\n // Hash URL should always have a leading / just like window.location.pathname\n // does, so if an app ends up at a route like /#something then we add a\n // leading slash so all of our path-matching behaves the same as if it would\n // in a browser router. This is particularly important when there exists a\n // root splat route () since that matches internally against\n // \"/*\" and we'd expect /#something to 404 in a hash router app.\n if (!pathname.startsWith(\"/\") && !pathname.startsWith(\".\")) {\n pathname = \"/\" + pathname;\n }\n\n return createLocation(\n \"\",\n { pathname, search, hash },\n // state defaults to `null` because `window.history.state` does\n (globalHistory.state && globalHistory.state.usr) || null,\n (globalHistory.state && globalHistory.state.key) || \"default\"\n );\n }\n\n function createHashHref(window: Window, to: To) {\n let base = window.document.querySelector(\"base\");\n let href = \"\";\n\n if (base && base.getAttribute(\"href\")) {\n let url = window.location.href;\n let hashIndex = url.indexOf(\"#\");\n href = hashIndex === -1 ? url : url.slice(0, hashIndex);\n }\n\n return href + \"#\" + (typeof to === \"string\" ? to : createPath(to));\n }\n\n function validateHashLocation(location: Location, to: To) {\n warning(\n location.pathname.charAt(0) === \"/\",\n `relative pathnames are not supported in hash history.push(${JSON.stringify(\n to\n )})`\n );\n }\n\n return getUrlBasedHistory(\n createHashLocation,\n createHashHref,\n validateHashLocation,\n options\n );\n}\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region UTILS\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * @private\n */\nexport function invariant(value: boolean, message?: string): asserts value;\nexport function invariant(\n value: T | null | undefined,\n message?: string\n): asserts value is T;\nexport function invariant(value: any, message?: string) {\n if (value === false || value === null || typeof value === \"undefined\") {\n throw new Error(message);\n }\n}\n\nexport function warning(cond: any, message: string) {\n if (!cond) {\n // eslint-disable-next-line no-console\n if (typeof console !== \"undefined\") console.warn(message);\n\n try {\n // Welcome to debugging history!\n //\n // This error is thrown as a convenience, so you can more easily\n // find the source for a warning that appears in the console by\n // enabling \"pause on exceptions\" in your JavaScript debugger.\n throw new Error(message);\n // eslint-disable-next-line no-empty\n } catch (e) {}\n }\n}\n\nfunction createKey() {\n return Math.random().toString(36).substr(2, 8);\n}\n\n/**\n * For browser-based histories, we combine the state and key into an object\n */\nfunction getHistoryState(location: Location, index: number): HistoryState {\n return {\n usr: location.state,\n key: location.key,\n idx: index,\n };\n}\n\n/**\n * Creates a Location object with a unique key from the given Path\n */\nexport function createLocation(\n current: string | Location,\n to: To,\n state: any = null,\n key?: string\n): Readonly {\n let location: Readonly = {\n pathname: typeof current === \"string\" ? current : current.pathname,\n search: \"\",\n hash: \"\",\n ...(typeof to === \"string\" ? parsePath(to) : to),\n state,\n // TODO: This could be cleaned up. push/replace should probably just take\n // full Locations now and avoid the need to run through this flow at all\n // But that's a pretty big refactor to the current test suite so going to\n // keep as is for the time being and just let any incoming keys take precedence\n key: (to && (to as Location).key) || key || createKey(),\n };\n return location;\n}\n\n/**\n * Creates a string URL path from the given pathname, search, and hash components.\n */\nexport function createPath({\n pathname = \"/\",\n search = \"\",\n hash = \"\",\n}: Partial) {\n if (search && search !== \"?\")\n pathname += search.charAt(0) === \"?\" ? search : \"?\" + search;\n if (hash && hash !== \"#\")\n pathname += hash.charAt(0) === \"#\" ? hash : \"#\" + hash;\n return pathname;\n}\n\n/**\n * Parses a string URL path into its separate pathname, search, and hash components.\n */\nexport function parsePath(path: string): Partial {\n let parsedPath: Partial = {};\n\n if (path) {\n let hashIndex = path.indexOf(\"#\");\n if (hashIndex >= 0) {\n parsedPath.hash = path.substr(hashIndex);\n path = path.substr(0, hashIndex);\n }\n\n let searchIndex = path.indexOf(\"?\");\n if (searchIndex >= 0) {\n parsedPath.search = path.substr(searchIndex);\n path = path.substr(0, searchIndex);\n }\n\n if (path) {\n parsedPath.pathname = path;\n }\n }\n\n return parsedPath;\n}\n\nexport interface UrlHistory extends History {}\n\nexport type UrlHistoryOptions = {\n window?: Window;\n v5Compat?: boolean;\n};\n\nfunction getUrlBasedHistory(\n getLocation: (window: Window, globalHistory: Window[\"history\"]) => Location,\n createHref: (window: Window, to: To) => string,\n validateLocation: ((location: Location, to: To) => void) | null,\n options: UrlHistoryOptions = {}\n): UrlHistory {\n let { window = document.defaultView!, v5Compat = false } = options;\n let globalHistory = window.history;\n let action = Action.Pop;\n let listener: Listener | null = null;\n\n let index = getIndex()!;\n // Index should only be null when we initialize. If not, it's because the\n // user called history.pushState or history.replaceState directly, in which\n // case we should log a warning as it will result in bugs.\n if (index == null) {\n index = 0;\n globalHistory.replaceState({ ...globalHistory.state, idx: index }, \"\");\n }\n\n function getIndex(): number {\n let state = globalHistory.state || { idx: null };\n return state.idx;\n }\n\n function handlePop() {\n action = Action.Pop;\n let nextIndex = getIndex();\n let delta = nextIndex == null ? null : nextIndex - index;\n index = nextIndex;\n if (listener) {\n listener({ action, location: history.location, delta });\n }\n }\n\n function push(to: To, state?: any) {\n action = Action.Push;\n let location = createLocation(history.location, to, state);\n if (validateLocation) validateLocation(location, to);\n\n index = getIndex() + 1;\n let historyState = getHistoryState(location, index);\n let url = history.createHref(location);\n\n // try...catch because iOS limits us to 100 pushState calls :/\n try {\n globalHistory.pushState(historyState, \"\", url);\n } catch (error) {\n // If the exception is because `state` can't be serialized, let that throw\n // outwards just like a replace call would so the dev knows the cause\n // https://html.spec.whatwg.org/multipage/nav-history-apis.html#shared-history-push/replace-state-steps\n // https://html.spec.whatwg.org/multipage/structured-data.html#structuredserializeinternal\n if (error instanceof DOMException && error.name === \"DataCloneError\") {\n throw error;\n }\n // They are going to lose state here, but there is no real\n // way to warn them about it since the page will refresh...\n window.location.assign(url);\n }\n\n if (v5Compat && listener) {\n listener({ action, location: history.location, delta: 1 });\n }\n }\n\n function replace(to: To, state?: any) {\n action = Action.Replace;\n let location = createLocation(history.location, to, state);\n if (validateLocation) validateLocation(location, to);\n\n index = getIndex();\n let historyState = getHistoryState(location, index);\n let url = history.createHref(location);\n globalHistory.replaceState(historyState, \"\", url);\n\n if (v5Compat && listener) {\n listener({ action, location: history.location, delta: 0 });\n }\n }\n\n function createURL(to: To): URL {\n // window.location.origin is \"null\" (the literal string value) in Firefox\n // under certain conditions, notably when serving from a local HTML file\n // See https://bugzilla.mozilla.org/show_bug.cgi?id=878297\n let base =\n window.location.origin !== \"null\"\n ? window.location.origin\n : window.location.href;\n\n let href = typeof to === \"string\" ? to : createPath(to);\n // Treating this as a full URL will strip any trailing spaces so we need to\n // pre-encode them since they might be part of a matching splat param from\n // an ancestor route\n href = href.replace(/ $/, \"%20\");\n invariant(\n base,\n `No window.location.(origin|href) available to create URL for href: ${href}`\n );\n return new URL(href, base);\n }\n\n let history: History = {\n get action() {\n return action;\n },\n get location() {\n return getLocation(window, globalHistory);\n },\n listen(fn: Listener) {\n if (listener) {\n throw new Error(\"A history only accepts one active listener\");\n }\n window.addEventListener(PopStateEventType, handlePop);\n listener = fn;\n\n return () => {\n window.removeEventListener(PopStateEventType, handlePop);\n listener = null;\n };\n },\n createHref(to) {\n return createHref(window, to);\n },\n createURL,\n encodeLocation(to) {\n // Encode a Location the same way window.location would\n let url = createURL(to);\n return {\n pathname: url.pathname,\n search: url.search,\n hash: url.hash,\n };\n },\n push,\n replace,\n go(n) {\n return globalHistory.go(n);\n },\n };\n\n return history;\n}\n\n//#endregion\n","import type { Location, Path, To } from \"./history\";\nimport { invariant, parsePath, warning } from \"./history\";\n\n/**\n * Map of routeId -> data returned from a loader/action/error\n */\nexport interface RouteData {\n [routeId: string]: any;\n}\n\nexport enum ResultType {\n data = \"data\",\n deferred = \"deferred\",\n redirect = \"redirect\",\n error = \"error\",\n}\n\n/**\n * Successful result from a loader or action\n */\nexport interface SuccessResult {\n type: ResultType.data;\n data: unknown;\n statusCode?: number;\n headers?: Headers;\n}\n\n/**\n * Successful defer() result from a loader or action\n */\nexport interface DeferredResult {\n type: ResultType.deferred;\n deferredData: DeferredData;\n statusCode?: number;\n headers?: Headers;\n}\n\n/**\n * Redirect result from a loader or action\n */\nexport interface RedirectResult {\n type: ResultType.redirect;\n // We keep the raw Response for redirects so we can return it verbatim\n response: Response;\n}\n\n/**\n * Unsuccessful result from a loader or action\n */\nexport interface ErrorResult {\n type: ResultType.error;\n error: unknown;\n statusCode?: number;\n headers?: Headers;\n}\n\n/**\n * Result from a loader or action - potentially successful or unsuccessful\n */\nexport type DataResult =\n | SuccessResult\n | DeferredResult\n | RedirectResult\n | ErrorResult;\n\n/**\n * Result from a loader or action called via dataStrategy\n */\nexport interface HandlerResult {\n type: \"data\" | \"error\";\n result: unknown; // data, Error, Response, DeferredData\n status?: number;\n}\n\ntype LowerCaseFormMethod = \"get\" | \"post\" | \"put\" | \"patch\" | \"delete\";\ntype UpperCaseFormMethod = Uppercase;\n\n/**\n * Users can specify either lowercase or uppercase form methods on `

`,\n * useSubmit(), ``, etc.\n */\nexport type HTMLFormMethod = LowerCaseFormMethod | UpperCaseFormMethod;\n\n/**\n * Active navigation/fetcher form methods are exposed in lowercase on the\n * RouterState\n */\nexport type FormMethod = LowerCaseFormMethod;\nexport type MutationFormMethod = Exclude;\n\n/**\n * In v7, active navigation/fetcher form methods are exposed in uppercase on the\n * RouterState. This is to align with the normalization done via fetch().\n */\nexport type V7_FormMethod = UpperCaseFormMethod;\nexport type V7_MutationFormMethod = Exclude;\n\nexport type FormEncType =\n | \"application/x-www-form-urlencoded\"\n | \"multipart/form-data\"\n | \"application/json\"\n | \"text/plain\";\n\n// Thanks https://github.com/sindresorhus/type-fest!\ntype JsonObject = { [Key in string]: JsonValue } & {\n [Key in string]?: JsonValue | undefined;\n};\ntype JsonArray = JsonValue[] | readonly JsonValue[];\ntype JsonPrimitive = string | number | boolean | null;\ntype JsonValue = JsonPrimitive | JsonObject | JsonArray;\n\n/**\n * @private\n * Internal interface to pass around for action submissions, not intended for\n * external consumption\n */\nexport type Submission =\n | {\n formMethod: FormMethod | V7_FormMethod;\n formAction: string;\n formEncType: FormEncType;\n formData: FormData;\n json: undefined;\n text: undefined;\n }\n | {\n formMethod: FormMethod | V7_FormMethod;\n formAction: string;\n formEncType: FormEncType;\n formData: undefined;\n json: JsonValue;\n text: undefined;\n }\n | {\n formMethod: FormMethod | V7_FormMethod;\n formAction: string;\n formEncType: FormEncType;\n formData: undefined;\n json: undefined;\n text: string;\n };\n\n/**\n * @private\n * Arguments passed to route loader/action functions. Same for now but we keep\n * this as a private implementation detail in case they diverge in the future.\n */\ninterface DataFunctionArgs {\n request: Request;\n params: Params;\n context?: Context;\n}\n\n// TODO: (v7) Change the defaults from any to unknown in and remove Remix wrappers:\n// ActionFunction, ActionFunctionArgs, LoaderFunction, LoaderFunctionArgs\n// Also, make them a type alias instead of an interface\n\n/**\n * Arguments passed to loader functions\n */\nexport interface LoaderFunctionArgs\n extends DataFunctionArgs {}\n\n/**\n * Arguments passed to action functions\n */\nexport interface ActionFunctionArgs\n extends DataFunctionArgs {}\n\n/**\n * Loaders and actions can return anything except `undefined` (`null` is a\n * valid return value if there is no data to return). Responses are preferred\n * and will ease any future migration to Remix\n */\ntype DataFunctionValue = Response | NonNullable | null;\n\ntype DataFunctionReturnValue = Promise | DataFunctionValue;\n\n/**\n * Route loader function signature\n */\nexport type LoaderFunction = {\n (\n args: LoaderFunctionArgs,\n handlerCtx?: unknown\n ): DataFunctionReturnValue;\n} & { hydrate?: boolean };\n\n/**\n * Route action function signature\n */\nexport interface ActionFunction {\n (\n args: ActionFunctionArgs,\n handlerCtx?: unknown\n ): DataFunctionReturnValue;\n}\n\n/**\n * Arguments passed to shouldRevalidate function\n */\nexport interface ShouldRevalidateFunctionArgs {\n currentUrl: URL;\n currentParams: AgnosticDataRouteMatch[\"params\"];\n nextUrl: URL;\n nextParams: AgnosticDataRouteMatch[\"params\"];\n formMethod?: Submission[\"formMethod\"];\n formAction?: Submission[\"formAction\"];\n formEncType?: Submission[\"formEncType\"];\n text?: Submission[\"text\"];\n formData?: Submission[\"formData\"];\n json?: Submission[\"json\"];\n actionStatus?: number;\n actionResult?: any;\n defaultShouldRevalidate: boolean;\n}\n\n/**\n * Route shouldRevalidate function signature. This runs after any submission\n * (navigation or fetcher), so we flatten the navigation/fetcher submission\n * onto the arguments. It shouldn't matter whether it came from a navigation\n * or a fetcher, what really matters is the URLs and the formData since loaders\n * have to re-run based on the data models that were potentially mutated.\n */\nexport interface ShouldRevalidateFunction {\n (args: ShouldRevalidateFunctionArgs): boolean;\n}\n\n/**\n * Function provided by the framework-aware layers to set `hasErrorBoundary`\n * from the framework-aware `errorElement` prop\n *\n * @deprecated Use `mapRouteProperties` instead\n */\nexport interface DetectErrorBoundaryFunction {\n (route: AgnosticRouteObject): boolean;\n}\n\nexport interface DataStrategyMatch\n extends AgnosticRouteMatch {\n shouldLoad: boolean;\n resolve: (\n handlerOverride?: (\n handler: (ctx?: unknown) => DataFunctionReturnValue\n ) => Promise\n ) => Promise;\n}\n\nexport interface DataStrategyFunctionArgs\n extends DataFunctionArgs {\n matches: DataStrategyMatch[];\n}\n\nexport interface DataStrategyFunction {\n (args: DataStrategyFunctionArgs): Promise;\n}\n\nexport interface AgnosticPatchRoutesOnMissFunction<\n M extends AgnosticRouteMatch = AgnosticRouteMatch\n> {\n (opts: {\n path: string;\n matches: M[];\n patch: (routeId: string | null, children: AgnosticRouteObject[]) => void;\n }): void | Promise;\n}\n\n/**\n * Function provided by the framework-aware layers to set any framework-specific\n * properties from framework-agnostic properties\n */\nexport interface MapRoutePropertiesFunction {\n (route: AgnosticRouteObject): {\n hasErrorBoundary: boolean;\n } & Record;\n}\n\n/**\n * Keys we cannot change from within a lazy() function. We spread all other keys\n * onto the route. Either they're meaningful to the router, or they'll get\n * ignored.\n */\nexport type ImmutableRouteKey =\n | \"lazy\"\n | \"caseSensitive\"\n | \"path\"\n | \"id\"\n | \"index\"\n | \"children\";\n\nexport const immutableRouteKeys = new Set([\n \"lazy\",\n \"caseSensitive\",\n \"path\",\n \"id\",\n \"index\",\n \"children\",\n]);\n\ntype RequireOne = Exclude<\n {\n [K in keyof T]: K extends Key ? Omit & Required> : never;\n }[keyof T],\n undefined\n>;\n\n/**\n * lazy() function to load a route definition, which can add non-matching\n * related properties to a route\n */\nexport interface LazyRouteFunction {\n (): Promise>>;\n}\n\n/**\n * Base RouteObject with common props shared by all types of routes\n */\ntype AgnosticBaseRouteObject = {\n caseSensitive?: boolean;\n path?: string;\n id?: string;\n loader?: LoaderFunction | boolean;\n action?: ActionFunction | boolean;\n hasErrorBoundary?: boolean;\n shouldRevalidate?: ShouldRevalidateFunction;\n handle?: any;\n lazy?: LazyRouteFunction;\n};\n\n/**\n * Index routes must not have children\n */\nexport type AgnosticIndexRouteObject = AgnosticBaseRouteObject & {\n children?: undefined;\n index: true;\n};\n\n/**\n * Non-index routes may have children, but cannot have index\n */\nexport type AgnosticNonIndexRouteObject = AgnosticBaseRouteObject & {\n children?: AgnosticRouteObject[];\n index?: false;\n};\n\n/**\n * A route object represents a logical route, with (optionally) its child\n * routes organized in a tree-like structure.\n */\nexport type AgnosticRouteObject =\n | AgnosticIndexRouteObject\n | AgnosticNonIndexRouteObject;\n\nexport type AgnosticDataIndexRouteObject = AgnosticIndexRouteObject & {\n id: string;\n};\n\nexport type AgnosticDataNonIndexRouteObject = AgnosticNonIndexRouteObject & {\n children?: AgnosticDataRouteObject[];\n id: string;\n};\n\n/**\n * A data route object, which is just a RouteObject with a required unique ID\n */\nexport type AgnosticDataRouteObject =\n | AgnosticDataIndexRouteObject\n | AgnosticDataNonIndexRouteObject;\n\nexport type RouteManifest = Record;\n\n// Recursive helper for finding path parameters in the absence of wildcards\ntype _PathParam =\n // split path into individual path segments\n Path extends `${infer L}/${infer R}`\n ? _PathParam | _PathParam\n : // find params after `:`\n Path extends `:${infer Param}`\n ? Param extends `${infer Optional}?`\n ? Optional\n : Param\n : // otherwise, there aren't any params present\n never;\n\n/**\n * Examples:\n * \"/a/b/*\" -> \"*\"\n * \":a\" -> \"a\"\n * \"/a/:b\" -> \"b\"\n * \"/a/blahblahblah:b\" -> \"b\"\n * \"/:a/:b\" -> \"a\" | \"b\"\n * \"/:a/b/:c/*\" -> \"a\" | \"c\" | \"*\"\n */\nexport type PathParam =\n // check if path is just a wildcard\n Path extends \"*\" | \"/*\"\n ? \"*\"\n : // look for wildcard at the end of the path\n Path extends `${infer Rest}/*`\n ? \"*\" | _PathParam\n : // look for params in the absence of wildcards\n _PathParam;\n\n// Attempt to parse the given string segment. If it fails, then just return the\n// plain string type as a default fallback. Otherwise, return the union of the\n// parsed string literals that were referenced as dynamic segments in the route.\nexport type ParamParseKey =\n // if you could not find path params, fallback to `string`\n [PathParam] extends [never] ? string : PathParam;\n\n/**\n * The parameters that were parsed from the URL path.\n */\nexport type Params = {\n readonly [key in Key]: string | undefined;\n};\n\n/**\n * A RouteMatch contains info about how a route matched a URL.\n */\nexport interface AgnosticRouteMatch<\n ParamKey extends string = string,\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n> {\n /**\n * The names and values of dynamic parameters in the URL.\n */\n params: Params;\n /**\n * The portion of the URL pathname that was matched.\n */\n pathname: string;\n /**\n * The portion of the URL pathname that was matched before child routes.\n */\n pathnameBase: string;\n /**\n * The route object that was used to match.\n */\n route: RouteObjectType;\n}\n\nexport interface AgnosticDataRouteMatch\n extends AgnosticRouteMatch {}\n\nfunction isIndexRoute(\n route: AgnosticRouteObject\n): route is AgnosticIndexRouteObject {\n return route.index === true;\n}\n\n// Walk the route tree generating unique IDs where necessary, so we are working\n// solely with AgnosticDataRouteObject's within the Router\nexport function convertRoutesToDataRoutes(\n routes: AgnosticRouteObject[],\n mapRouteProperties: MapRoutePropertiesFunction,\n parentPath: string[] = [],\n manifest: RouteManifest = {}\n): AgnosticDataRouteObject[] {\n return routes.map((route, index) => {\n let treePath = [...parentPath, String(index)];\n let id = typeof route.id === \"string\" ? route.id : treePath.join(\"-\");\n invariant(\n route.index !== true || !route.children,\n `Cannot specify children on an index route`\n );\n invariant(\n !manifest[id],\n `Found a route id collision on id \"${id}\". Route ` +\n \"id's must be globally unique within Data Router usages\"\n );\n\n if (isIndexRoute(route)) {\n let indexRoute: AgnosticDataIndexRouteObject = {\n ...route,\n ...mapRouteProperties(route),\n id,\n };\n manifest[id] = indexRoute;\n return indexRoute;\n } else {\n let pathOrLayoutRoute: AgnosticDataNonIndexRouteObject = {\n ...route,\n ...mapRouteProperties(route),\n id,\n children: undefined,\n };\n manifest[id] = pathOrLayoutRoute;\n\n if (route.children) {\n pathOrLayoutRoute.children = convertRoutesToDataRoutes(\n route.children,\n mapRouteProperties,\n treePath,\n manifest\n );\n }\n\n return pathOrLayoutRoute;\n }\n });\n}\n\n/**\n * Matches the given routes to a location and returns the match data.\n *\n * @see https://reactrouter.com/utils/match-routes\n */\nexport function matchRoutes<\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n>(\n routes: RouteObjectType[],\n locationArg: Partial | string,\n basename = \"/\"\n): AgnosticRouteMatch[] | null {\n return matchRoutesImpl(routes, locationArg, basename, false);\n}\n\nexport function matchRoutesImpl<\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n>(\n routes: RouteObjectType[],\n locationArg: Partial | string,\n basename: string,\n allowPartial: boolean\n): AgnosticRouteMatch[] | null {\n let location =\n typeof locationArg === \"string\" ? parsePath(locationArg) : locationArg;\n\n let pathname = stripBasename(location.pathname || \"/\", basename);\n\n if (pathname == null) {\n return null;\n }\n\n let branches = flattenRoutes(routes);\n rankRouteBranches(branches);\n\n let matches = null;\n for (let i = 0; matches == null && i < branches.length; ++i) {\n // Incoming pathnames are generally encoded from either window.location\n // or from router.navigate, but we want to match against the unencoded\n // paths in the route definitions. Memory router locations won't be\n // encoded here but there also shouldn't be anything to decode so this\n // should be a safe operation. This avoids needing matchRoutes to be\n // history-aware.\n let decoded = decodePath(pathname);\n matches = matchRouteBranch(\n branches[i],\n decoded,\n allowPartial\n );\n }\n\n return matches;\n}\n\nexport interface UIMatch {\n id: string;\n pathname: string;\n params: AgnosticRouteMatch[\"params\"];\n data: Data;\n handle: Handle;\n}\n\nexport function convertRouteMatchToUiMatch(\n match: AgnosticDataRouteMatch,\n loaderData: RouteData\n): UIMatch {\n let { route, pathname, params } = match;\n return {\n id: route.id,\n pathname,\n params,\n data: loaderData[route.id],\n handle: route.handle,\n };\n}\n\ninterface RouteMeta<\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n> {\n relativePath: string;\n caseSensitive: boolean;\n childrenIndex: number;\n route: RouteObjectType;\n}\n\ninterface RouteBranch<\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n> {\n path: string;\n score: number;\n routesMeta: RouteMeta[];\n}\n\nfunction flattenRoutes<\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n>(\n routes: RouteObjectType[],\n branches: RouteBranch[] = [],\n parentsMeta: RouteMeta[] = [],\n parentPath = \"\"\n): RouteBranch[] {\n let flattenRoute = (\n route: RouteObjectType,\n index: number,\n relativePath?: string\n ) => {\n let meta: RouteMeta = {\n relativePath:\n relativePath === undefined ? route.path || \"\" : relativePath,\n caseSensitive: route.caseSensitive === true,\n childrenIndex: index,\n route,\n };\n\n if (meta.relativePath.startsWith(\"/\")) {\n invariant(\n meta.relativePath.startsWith(parentPath),\n `Absolute route path \"${meta.relativePath}\" nested under path ` +\n `\"${parentPath}\" is not valid. An absolute child route path ` +\n `must start with the combined path of all its parent routes.`\n );\n\n meta.relativePath = meta.relativePath.slice(parentPath.length);\n }\n\n let path = joinPaths([parentPath, meta.relativePath]);\n let routesMeta = parentsMeta.concat(meta);\n\n // Add the children before adding this route to the array, so we traverse the\n // route tree depth-first and child routes appear before their parents in\n // the \"flattened\" version.\n if (route.children && route.children.length > 0) {\n invariant(\n // Our types know better, but runtime JS may not!\n // @ts-expect-error\n route.index !== true,\n `Index routes must not have child routes. Please remove ` +\n `all child routes from route path \"${path}\".`\n );\n flattenRoutes(route.children, branches, routesMeta, path);\n }\n\n // Routes without a path shouldn't ever match by themselves unless they are\n // index routes, so don't add them to the list of possible branches.\n if (route.path == null && !route.index) {\n return;\n }\n\n branches.push({\n path,\n score: computeScore(path, route.index),\n routesMeta,\n });\n };\n routes.forEach((route, index) => {\n // coarse-grain check for optional params\n if (route.path === \"\" || !route.path?.includes(\"?\")) {\n flattenRoute(route, index);\n } else {\n for (let exploded of explodeOptionalSegments(route.path)) {\n flattenRoute(route, index, exploded);\n }\n }\n });\n\n return branches;\n}\n\n/**\n * Computes all combinations of optional path segments for a given path,\n * excluding combinations that are ambiguous and of lower priority.\n *\n * For example, `/one/:two?/three/:four?/:five?` explodes to:\n * - `/one/three`\n * - `/one/:two/three`\n * - `/one/three/:four`\n * - `/one/three/:five`\n * - `/one/:two/three/:four`\n * - `/one/:two/three/:five`\n * - `/one/three/:four/:five`\n * - `/one/:two/three/:four/:five`\n */\nfunction explodeOptionalSegments(path: string): string[] {\n let segments = path.split(\"/\");\n if (segments.length === 0) return [];\n\n let [first, ...rest] = segments;\n\n // Optional path segments are denoted by a trailing `?`\n let isOptional = first.endsWith(\"?\");\n // Compute the corresponding required segment: `foo?` -> `foo`\n let required = first.replace(/\\?$/, \"\");\n\n if (rest.length === 0) {\n // Intepret empty string as omitting an optional segment\n // `[\"one\", \"\", \"three\"]` corresponds to omitting `:two` from `/one/:two?/three` -> `/one/three`\n return isOptional ? [required, \"\"] : [required];\n }\n\n let restExploded = explodeOptionalSegments(rest.join(\"/\"));\n\n let result: string[] = [];\n\n // All child paths with the prefix. Do this for all children before the\n // optional version for all children, so we get consistent ordering where the\n // parent optional aspect is preferred as required. Otherwise, we can get\n // child sections interspersed where deeper optional segments are higher than\n // parent optional segments, where for example, /:two would explode _earlier_\n // then /:one. By always including the parent as required _for all children_\n // first, we avoid this issue\n result.push(\n ...restExploded.map((subpath) =>\n subpath === \"\" ? required : [required, subpath].join(\"/\")\n )\n );\n\n // Then, if this is an optional value, add all child versions without\n if (isOptional) {\n result.push(...restExploded);\n }\n\n // for absolute paths, ensure `/` instead of empty segment\n return result.map((exploded) =>\n path.startsWith(\"/\") && exploded === \"\" ? \"/\" : exploded\n );\n}\n\nfunction rankRouteBranches(branches: RouteBranch[]): void {\n branches.sort((a, b) =>\n a.score !== b.score\n ? b.score - a.score // Higher score first\n : compareIndexes(\n a.routesMeta.map((meta) => meta.childrenIndex),\n b.routesMeta.map((meta) => meta.childrenIndex)\n )\n );\n}\n\nconst paramRe = /^:[\\w-]+$/;\nconst dynamicSegmentValue = 3;\nconst indexRouteValue = 2;\nconst emptySegmentValue = 1;\nconst staticSegmentValue = 10;\nconst splatPenalty = -2;\nconst isSplat = (s: string) => s === \"*\";\n\nfunction computeScore(path: string, index: boolean | undefined): number {\n let segments = path.split(\"/\");\n let initialScore = segments.length;\n if (segments.some(isSplat)) {\n initialScore += splatPenalty;\n }\n\n if (index) {\n initialScore += indexRouteValue;\n }\n\n return segments\n .filter((s) => !isSplat(s))\n .reduce(\n (score, segment) =>\n score +\n (paramRe.test(segment)\n ? dynamicSegmentValue\n : segment === \"\"\n ? emptySegmentValue\n : staticSegmentValue),\n initialScore\n );\n}\n\nfunction compareIndexes(a: number[], b: number[]): number {\n let siblings =\n a.length === b.length && a.slice(0, -1).every((n, i) => n === b[i]);\n\n return siblings\n ? // If two routes are siblings, we should try to match the earlier sibling\n // first. This allows people to have fine-grained control over the matching\n // behavior by simply putting routes with identical paths in the order they\n // want them tried.\n a[a.length - 1] - b[b.length - 1]\n : // Otherwise, it doesn't really make sense to rank non-siblings by index,\n // so they sort equally.\n 0;\n}\n\nfunction matchRouteBranch<\n ParamKey extends string = string,\n RouteObjectType extends AgnosticRouteObject = AgnosticRouteObject\n>(\n branch: RouteBranch,\n pathname: string,\n allowPartial = false\n): AgnosticRouteMatch[] | null {\n let { routesMeta } = branch;\n\n let matchedParams = {};\n let matchedPathname = \"/\";\n let matches: AgnosticRouteMatch[] = [];\n for (let i = 0; i < routesMeta.length; ++i) {\n let meta = routesMeta[i];\n let end = i === routesMeta.length - 1;\n let remainingPathname =\n matchedPathname === \"/\"\n ? pathname\n : pathname.slice(matchedPathname.length) || \"/\";\n let match = matchPath(\n { path: meta.relativePath, caseSensitive: meta.caseSensitive, end },\n remainingPathname\n );\n\n let route = meta.route;\n\n if (\n !match &&\n end &&\n allowPartial &&\n !routesMeta[routesMeta.length - 1].route.index\n ) {\n match = matchPath(\n {\n path: meta.relativePath,\n caseSensitive: meta.caseSensitive,\n end: false,\n },\n remainingPathname\n );\n }\n\n if (!match) {\n return null;\n }\n\n Object.assign(matchedParams, match.params);\n\n matches.push({\n // TODO: Can this as be avoided?\n params: matchedParams as Params,\n pathname: joinPaths([matchedPathname, match.pathname]),\n pathnameBase: normalizePathname(\n joinPaths([matchedPathname, match.pathnameBase])\n ),\n route,\n });\n\n if (match.pathnameBase !== \"/\") {\n matchedPathname = joinPaths([matchedPathname, match.pathnameBase]);\n }\n }\n\n return matches;\n}\n\n/**\n * Returns a path with params interpolated.\n *\n * @see https://reactrouter.com/utils/generate-path\n */\nexport function generatePath(\n originalPath: Path,\n params: {\n [key in PathParam]: string | null;\n } = {} as any\n): string {\n let path: string = originalPath;\n if (path.endsWith(\"*\") && path !== \"*\" && !path.endsWith(\"/*\")) {\n warning(\n false,\n `Route path \"${path}\" will be treated as if it were ` +\n `\"${path.replace(/\\*$/, \"/*\")}\" because the \\`*\\` character must ` +\n `always follow a \\`/\\` in the pattern. To get rid of this warning, ` +\n `please change the route path to \"${path.replace(/\\*$/, \"/*\")}\".`\n );\n path = path.replace(/\\*$/, \"/*\") as Path;\n }\n\n // ensure `/` is added at the beginning if the path is absolute\n const prefix = path.startsWith(\"/\") ? \"/\" : \"\";\n\n const stringify = (p: any) =>\n p == null ? \"\" : typeof p === \"string\" ? p : String(p);\n\n const segments = path\n .split(/\\/+/)\n .map((segment, index, array) => {\n const isLastSegment = index === array.length - 1;\n\n // only apply the splat if it's the last segment\n if (isLastSegment && segment === \"*\") {\n const star = \"*\" as PathParam;\n // Apply the splat\n return stringify(params[star]);\n }\n\n const keyMatch = segment.match(/^:([\\w-]+)(\\??)$/);\n if (keyMatch) {\n const [, key, optional] = keyMatch;\n let param = params[key as PathParam];\n invariant(optional === \"?\" || param != null, `Missing \":${key}\" param`);\n return stringify(param);\n }\n\n // Remove any optional markers from optional static segments\n return segment.replace(/\\?$/g, \"\");\n })\n // Remove empty segments\n .filter((segment) => !!segment);\n\n return prefix + segments.join(\"/\");\n}\n\n/**\n * A PathPattern is used to match on some portion of a URL pathname.\n */\nexport interface PathPattern {\n /**\n * A string to match against a URL pathname. May contain `:id`-style segments\n * to indicate placeholders for dynamic parameters. May also end with `/*` to\n * indicate matching the rest of the URL pathname.\n */\n path: Path;\n /**\n * Should be `true` if the static portions of the `path` should be matched in\n * the same case.\n */\n caseSensitive?: boolean;\n /**\n * Should be `true` if this pattern should match the entire URL pathname.\n */\n end?: boolean;\n}\n\n/**\n * A PathMatch contains info about how a PathPattern matched on a URL pathname.\n */\nexport interface PathMatch {\n /**\n * The names and values of dynamic parameters in the URL.\n */\n params: Params;\n /**\n * The portion of the URL pathname that was matched.\n */\n pathname: string;\n /**\n * The portion of the URL pathname that was matched before child routes.\n */\n pathnameBase: string;\n /**\n * The pattern that was used to match.\n */\n pattern: PathPattern;\n}\n\ntype Mutable = {\n -readonly [P in keyof T]: T[P];\n};\n\n/**\n * Performs pattern matching on a URL pathname and returns information about\n * the match.\n *\n * @see https://reactrouter.com/utils/match-path\n */\nexport function matchPath<\n ParamKey extends ParamParseKey,\n Path extends string\n>(\n pattern: PathPattern | Path,\n pathname: string\n): PathMatch | null {\n if (typeof pattern === \"string\") {\n pattern = { path: pattern, caseSensitive: false, end: true };\n }\n\n let [matcher, compiledParams] = compilePath(\n pattern.path,\n pattern.caseSensitive,\n pattern.end\n );\n\n let match = pathname.match(matcher);\n if (!match) return null;\n\n let matchedPathname = match[0];\n let pathnameBase = matchedPathname.replace(/(.)\\/+$/, \"$1\");\n let captureGroups = match.slice(1);\n let params: Params = compiledParams.reduce>(\n (memo, { paramName, isOptional }, index) => {\n // We need to compute the pathnameBase here using the raw splat value\n // instead of using params[\"*\"] later because it will be decoded then\n if (paramName === \"*\") {\n let splatValue = captureGroups[index] || \"\";\n pathnameBase = matchedPathname\n .slice(0, matchedPathname.length - splatValue.length)\n .replace(/(.)\\/+$/, \"$1\");\n }\n\n const value = captureGroups[index];\n if (isOptional && !value) {\n memo[paramName] = undefined;\n } else {\n memo[paramName] = (value || \"\").replace(/%2F/g, \"/\");\n }\n return memo;\n },\n {}\n );\n\n return {\n params,\n pathname: matchedPathname,\n pathnameBase,\n pattern,\n };\n}\n\ntype CompiledPathParam = { paramName: string; isOptional?: boolean };\n\nfunction compilePath(\n path: string,\n caseSensitive = false,\n end = true\n): [RegExp, CompiledPathParam[]] {\n warning(\n path === \"*\" || !path.endsWith(\"*\") || path.endsWith(\"/*\"),\n `Route path \"${path}\" will be treated as if it were ` +\n `\"${path.replace(/\\*$/, \"/*\")}\" because the \\`*\\` character must ` +\n `always follow a \\`/\\` in the pattern. To get rid of this warning, ` +\n `please change the route path to \"${path.replace(/\\*$/, \"/*\")}\".`\n );\n\n let params: CompiledPathParam[] = [];\n let regexpSource =\n \"^\" +\n path\n .replace(/\\/*\\*?$/, \"\") // Ignore trailing / and /*, we'll handle it below\n .replace(/^\\/*/, \"/\") // Make sure it has a leading /\n .replace(/[\\\\.*+^${}|()[\\]]/g, \"\\\\$&\") // Escape special regex chars\n .replace(\n /\\/:([\\w-]+)(\\?)?/g,\n (_: string, paramName: string, isOptional) => {\n params.push({ paramName, isOptional: isOptional != null });\n return isOptional ? \"/?([^\\\\/]+)?\" : \"/([^\\\\/]+)\";\n }\n );\n\n if (path.endsWith(\"*\")) {\n params.push({ paramName: \"*\" });\n regexpSource +=\n path === \"*\" || path === \"/*\"\n ? \"(.*)$\" // Already matched the initial /, just match the rest\n : \"(?:\\\\/(.+)|\\\\/*)$\"; // Don't include the / in params[\"*\"]\n } else if (end) {\n // When matching to the end, ignore trailing slashes\n regexpSource += \"\\\\/*$\";\n } else if (path !== \"\" && path !== \"/\") {\n // If our path is non-empty and contains anything beyond an initial slash,\n // then we have _some_ form of path in our regex, so we should expect to\n // match only if we find the end of this path segment. Look for an optional\n // non-captured trailing slash (to match a portion of the URL) or the end\n // of the path (if we've matched to the end). We used to do this with a\n // word boundary but that gives false positives on routes like\n // /user-preferences since `-` counts as a word boundary.\n regexpSource += \"(?:(?=\\\\/|$))\";\n } else {\n // Nothing to match for \"\" or \"/\"\n }\n\n let matcher = new RegExp(regexpSource, caseSensitive ? undefined : \"i\");\n\n return [matcher, params];\n}\n\nexport function decodePath(value: string) {\n try {\n return value\n .split(\"/\")\n .map((v) => decodeURIComponent(v).replace(/\\//g, \"%2F\"))\n .join(\"/\");\n } catch (error) {\n warning(\n false,\n `The URL path \"${value}\" could not be decoded because it is is a ` +\n `malformed URL segment. This is probably due to a bad percent ` +\n `encoding (${error}).`\n );\n\n return value;\n }\n}\n\n/**\n * @private\n */\nexport function stripBasename(\n pathname: string,\n basename: string\n): string | null {\n if (basename === \"/\") return pathname;\n\n if (!pathname.toLowerCase().startsWith(basename.toLowerCase())) {\n return null;\n }\n\n // We want to leave trailing slash behavior in the user's control, so if they\n // specify a basename with a trailing slash, we should support it\n let startIndex = basename.endsWith(\"/\")\n ? basename.length - 1\n : basename.length;\n let nextChar = pathname.charAt(startIndex);\n if (nextChar && nextChar !== \"/\") {\n // pathname does not start with basename/\n return null;\n }\n\n return pathname.slice(startIndex) || \"/\";\n}\n\n/**\n * Returns a resolved path object relative to the given pathname.\n *\n * @see https://reactrouter.com/utils/resolve-path\n */\nexport function resolvePath(to: To, fromPathname = \"/\"): Path {\n let {\n pathname: toPathname,\n search = \"\",\n hash = \"\",\n } = typeof to === \"string\" ? parsePath(to) : to;\n\n let pathname = toPathname\n ? toPathname.startsWith(\"/\")\n ? toPathname\n : resolvePathname(toPathname, fromPathname)\n : fromPathname;\n\n return {\n pathname,\n search: normalizeSearch(search),\n hash: normalizeHash(hash),\n };\n}\n\nfunction resolvePathname(relativePath: string, fromPathname: string): string {\n let segments = fromPathname.replace(/\\/+$/, \"\").split(\"/\");\n let relativeSegments = relativePath.split(\"/\");\n\n relativeSegments.forEach((segment) => {\n if (segment === \"..\") {\n // Keep the root \"\" segment so the pathname starts at /\n if (segments.length > 1) segments.pop();\n } else if (segment !== \".\") {\n segments.push(segment);\n }\n });\n\n return segments.length > 1 ? segments.join(\"/\") : \"/\";\n}\n\nfunction getInvalidPathError(\n char: string,\n field: string,\n dest: string,\n path: Partial\n) {\n return (\n `Cannot include a '${char}' character in a manually specified ` +\n `\\`to.${field}\\` field [${JSON.stringify(\n path\n )}]. Please separate it out to the ` +\n `\\`to.${dest}\\` field. Alternatively you may provide the full path as ` +\n `a string in and the router will parse it for you.`\n );\n}\n\n/**\n * @private\n *\n * When processing relative navigation we want to ignore ancestor routes that\n * do not contribute to the path, such that index/pathless layout routes don't\n * interfere.\n *\n * For example, when moving a route element into an index route and/or a\n * pathless layout route, relative link behavior contained within should stay\n * the same. Both of the following examples should link back to the root:\n *\n * \n * \n * \n *\n * \n * \n * }> // <-- Does not contribute\n * // <-- Does not contribute\n * \n * \n */\nexport function getPathContributingMatches<\n T extends AgnosticRouteMatch = AgnosticRouteMatch\n>(matches: T[]) {\n return matches.filter(\n (match, index) =>\n index === 0 || (match.route.path && match.route.path.length > 0)\n );\n}\n\n// Return the array of pathnames for the current route matches - used to\n// generate the routePathnames input for resolveTo()\nexport function getResolveToMatches<\n T extends AgnosticRouteMatch = AgnosticRouteMatch\n>(matches: T[], v7_relativeSplatPath: boolean) {\n let pathMatches = getPathContributingMatches(matches);\n\n // When v7_relativeSplatPath is enabled, use the full pathname for the leaf\n // match so we include splat values for \".\" links. See:\n // https://github.com/remix-run/react-router/issues/11052#issuecomment-1836589329\n if (v7_relativeSplatPath) {\n return pathMatches.map((match, idx) =>\n idx === pathMatches.length - 1 ? match.pathname : match.pathnameBase\n );\n }\n\n return pathMatches.map((match) => match.pathnameBase);\n}\n\n/**\n * @private\n */\nexport function resolveTo(\n toArg: To,\n routePathnames: string[],\n locationPathname: string,\n isPathRelative = false\n): Path {\n let to: Partial;\n if (typeof toArg === \"string\") {\n to = parsePath(toArg);\n } else {\n to = { ...toArg };\n\n invariant(\n !to.pathname || !to.pathname.includes(\"?\"),\n getInvalidPathError(\"?\", \"pathname\", \"search\", to)\n );\n invariant(\n !to.pathname || !to.pathname.includes(\"#\"),\n getInvalidPathError(\"#\", \"pathname\", \"hash\", to)\n );\n invariant(\n !to.search || !to.search.includes(\"#\"),\n getInvalidPathError(\"#\", \"search\", \"hash\", to)\n );\n }\n\n let isEmptyPath = toArg === \"\" || to.pathname === \"\";\n let toPathname = isEmptyPath ? \"/\" : to.pathname;\n\n let from: string;\n\n // Routing is relative to the current pathname if explicitly requested.\n //\n // If a pathname is explicitly provided in `to`, it should be relative to the\n // route context. This is explained in `Note on `` values` in our\n // migration guide from v5 as a means of disambiguation between `to` values\n // that begin with `/` and those that do not. However, this is problematic for\n // `to` values that do not provide a pathname. `to` can simply be a search or\n // hash string, in which case we should assume that the navigation is relative\n // to the current location's pathname and *not* the route pathname.\n if (toPathname == null) {\n from = locationPathname;\n } else {\n let routePathnameIndex = routePathnames.length - 1;\n\n // With relative=\"route\" (the default), each leading .. segment means\n // \"go up one route\" instead of \"go up one URL segment\". This is a key\n // difference from how works and a major reason we call this a\n // \"to\" value instead of a \"href\".\n if (!isPathRelative && toPathname.startsWith(\"..\")) {\n let toSegments = toPathname.split(\"/\");\n\n while (toSegments[0] === \"..\") {\n toSegments.shift();\n routePathnameIndex -= 1;\n }\n\n to.pathname = toSegments.join(\"/\");\n }\n\n from = routePathnameIndex >= 0 ? routePathnames[routePathnameIndex] : \"/\";\n }\n\n let path = resolvePath(to, from);\n\n // Ensure the pathname has a trailing slash if the original \"to\" had one\n let hasExplicitTrailingSlash =\n toPathname && toPathname !== \"/\" && toPathname.endsWith(\"/\");\n // Or if this was a link to the current path which has a trailing slash\n let hasCurrentTrailingSlash =\n (isEmptyPath || toPathname === \".\") && locationPathname.endsWith(\"/\");\n if (\n !path.pathname.endsWith(\"/\") &&\n (hasExplicitTrailingSlash || hasCurrentTrailingSlash)\n ) {\n path.pathname += \"/\";\n }\n\n return path;\n}\n\n/**\n * @private\n */\nexport function getToPathname(to: To): string | undefined {\n // Empty strings should be treated the same as / paths\n return to === \"\" || (to as Path).pathname === \"\"\n ? \"/\"\n : typeof to === \"string\"\n ? parsePath(to).pathname\n : to.pathname;\n}\n\n/**\n * @private\n */\nexport const joinPaths = (paths: string[]): string =>\n paths.join(\"/\").replace(/\\/\\/+/g, \"/\");\n\n/**\n * @private\n */\nexport const normalizePathname = (pathname: string): string =>\n pathname.replace(/\\/+$/, \"\").replace(/^\\/*/, \"/\");\n\n/**\n * @private\n */\nexport const normalizeSearch = (search: string): string =>\n !search || search === \"?\"\n ? \"\"\n : search.startsWith(\"?\")\n ? search\n : \"?\" + search;\n\n/**\n * @private\n */\nexport const normalizeHash = (hash: string): string =>\n !hash || hash === \"#\" ? \"\" : hash.startsWith(\"#\") ? hash : \"#\" + hash;\n\nexport type JsonFunction = (\n data: Data,\n init?: number | ResponseInit\n) => Response;\n\n/**\n * This is a shortcut for creating `application/json` responses. Converts `data`\n * to JSON and sets the `Content-Type` header.\n */\nexport const json: JsonFunction = (data, init = {}) => {\n let responseInit = typeof init === \"number\" ? { status: init } : init;\n\n let headers = new Headers(responseInit.headers);\n if (!headers.has(\"Content-Type\")) {\n headers.set(\"Content-Type\", \"application/json; charset=utf-8\");\n }\n\n return new Response(JSON.stringify(data), {\n ...responseInit,\n headers,\n });\n};\n\nexport interface TrackedPromise extends Promise {\n _tracked?: boolean;\n _data?: any;\n _error?: any;\n}\n\nexport class AbortedDeferredError extends Error {}\n\nexport class DeferredData {\n private pendingKeysSet: Set = new Set();\n private controller: AbortController;\n private abortPromise: Promise;\n private unlistenAbortSignal: () => void;\n private subscribers: Set<(aborted: boolean, settledKey?: string) => void> =\n new Set();\n data: Record;\n init?: ResponseInit;\n deferredKeys: string[] = [];\n\n constructor(data: Record, responseInit?: ResponseInit) {\n invariant(\n data && typeof data === \"object\" && !Array.isArray(data),\n \"defer() only accepts plain objects\"\n );\n\n // Set up an AbortController + Promise we can race against to exit early\n // cancellation\n let reject: (e: AbortedDeferredError) => void;\n this.abortPromise = new Promise((_, r) => (reject = r));\n this.controller = new AbortController();\n let onAbort = () =>\n reject(new AbortedDeferredError(\"Deferred data aborted\"));\n this.unlistenAbortSignal = () =>\n this.controller.signal.removeEventListener(\"abort\", onAbort);\n this.controller.signal.addEventListener(\"abort\", onAbort);\n\n this.data = Object.entries(data).reduce(\n (acc, [key, value]) =>\n Object.assign(acc, {\n [key]: this.trackPromise(key, value),\n }),\n {}\n );\n\n if (this.done) {\n // All incoming values were resolved\n this.unlistenAbortSignal();\n }\n\n this.init = responseInit;\n }\n\n private trackPromise(\n key: string,\n value: Promise | unknown\n ): TrackedPromise | unknown {\n if (!(value instanceof Promise)) {\n return value;\n }\n\n this.deferredKeys.push(key);\n this.pendingKeysSet.add(key);\n\n // We store a little wrapper promise that will be extended with\n // _data/_error props upon resolve/reject\n let promise: TrackedPromise = Promise.race([value, this.abortPromise]).then(\n (data) => this.onSettle(promise, key, undefined, data as unknown),\n (error) => this.onSettle(promise, key, error as unknown)\n );\n\n // Register rejection listeners to avoid uncaught promise rejections on\n // errors or aborted deferred values\n promise.catch(() => {});\n\n Object.defineProperty(promise, \"_tracked\", { get: () => true });\n return promise;\n }\n\n private onSettle(\n promise: TrackedPromise,\n key: string,\n error: unknown,\n data?: unknown\n ): unknown {\n if (\n this.controller.signal.aborted &&\n error instanceof AbortedDeferredError\n ) {\n this.unlistenAbortSignal();\n Object.defineProperty(promise, \"_error\", { get: () => error });\n return Promise.reject(error);\n }\n\n this.pendingKeysSet.delete(key);\n\n if (this.done) {\n // Nothing left to abort!\n this.unlistenAbortSignal();\n }\n\n // If the promise was resolved/rejected with undefined, we'll throw an error as you\n // should always resolve with a value or null\n if (error === undefined && data === undefined) {\n let undefinedError = new Error(\n `Deferred data for key \"${key}\" resolved/rejected with \\`undefined\\`, ` +\n `you must resolve/reject with a value or \\`null\\`.`\n );\n Object.defineProperty(promise, \"_error\", { get: () => undefinedError });\n this.emit(false, key);\n return Promise.reject(undefinedError);\n }\n\n if (data === undefined) {\n Object.defineProperty(promise, \"_error\", { get: () => error });\n this.emit(false, key);\n return Promise.reject(error);\n }\n\n Object.defineProperty(promise, \"_data\", { get: () => data });\n this.emit(false, key);\n return data;\n }\n\n private emit(aborted: boolean, settledKey?: string) {\n this.subscribers.forEach((subscriber) => subscriber(aborted, settledKey));\n }\n\n subscribe(fn: (aborted: boolean, settledKey?: string) => void) {\n this.subscribers.add(fn);\n return () => this.subscribers.delete(fn);\n }\n\n cancel() {\n this.controller.abort();\n this.pendingKeysSet.forEach((v, k) => this.pendingKeysSet.delete(k));\n this.emit(true);\n }\n\n async resolveData(signal: AbortSignal) {\n let aborted = false;\n if (!this.done) {\n let onAbort = () => this.cancel();\n signal.addEventListener(\"abort\", onAbort);\n aborted = await new Promise((resolve) => {\n this.subscribe((aborted) => {\n signal.removeEventListener(\"abort\", onAbort);\n if (aborted || this.done) {\n resolve(aborted);\n }\n });\n });\n }\n return aborted;\n }\n\n get done() {\n return this.pendingKeysSet.size === 0;\n }\n\n get unwrappedData() {\n invariant(\n this.data !== null && this.done,\n \"Can only unwrap data on initialized and settled deferreds\"\n );\n\n return Object.entries(this.data).reduce(\n (acc, [key, value]) =>\n Object.assign(acc, {\n [key]: unwrapTrackedPromise(value),\n }),\n {}\n );\n }\n\n get pendingKeys() {\n return Array.from(this.pendingKeysSet);\n }\n}\n\nfunction isTrackedPromise(value: any): value is TrackedPromise {\n return (\n value instanceof Promise && (value as TrackedPromise)._tracked === true\n );\n}\n\nfunction unwrapTrackedPromise(value: any) {\n if (!isTrackedPromise(value)) {\n return value;\n }\n\n if (value._error) {\n throw value._error;\n }\n return value._data;\n}\n\nexport type DeferFunction = (\n data: Record,\n init?: number | ResponseInit\n) => DeferredData;\n\nexport const defer: DeferFunction = (data, init = {}) => {\n let responseInit = typeof init === \"number\" ? { status: init } : init;\n\n return new DeferredData(data, responseInit);\n};\n\nexport type RedirectFunction = (\n url: string,\n init?: number | ResponseInit\n) => Response;\n\n/**\n * A redirect response. Sets the status code and the `Location` header.\n * Defaults to \"302 Found\".\n */\nexport const redirect: RedirectFunction = (url, init = 302) => {\n let responseInit = init;\n if (typeof responseInit === \"number\") {\n responseInit = { status: responseInit };\n } else if (typeof responseInit.status === \"undefined\") {\n responseInit.status = 302;\n }\n\n let headers = new Headers(responseInit.headers);\n headers.set(\"Location\", url);\n\n return new Response(null, {\n ...responseInit,\n headers,\n });\n};\n\n/**\n * A redirect response that will force a document reload to the new location.\n * Sets the status code and the `Location` header.\n * Defaults to \"302 Found\".\n */\nexport const redirectDocument: RedirectFunction = (url, init) => {\n let response = redirect(url, init);\n response.headers.set(\"X-Remix-Reload-Document\", \"true\");\n return response;\n};\n\nexport type ErrorResponse = {\n status: number;\n statusText: string;\n data: any;\n};\n\n/**\n * @private\n * Utility class we use to hold auto-unwrapped 4xx/5xx Response bodies\n *\n * We don't export the class for public use since it's an implementation\n * detail, but we export the interface above so folks can build their own\n * abstractions around instances via isRouteErrorResponse()\n */\nexport class ErrorResponseImpl implements ErrorResponse {\n status: number;\n statusText: string;\n data: any;\n private error?: Error;\n private internal: boolean;\n\n constructor(\n status: number,\n statusText: string | undefined,\n data: any,\n internal = false\n ) {\n this.status = status;\n this.statusText = statusText || \"\";\n this.internal = internal;\n if (data instanceof Error) {\n this.data = data.toString();\n this.error = data;\n } else {\n this.data = data;\n }\n }\n}\n\n/**\n * Check if the given error is an ErrorResponse generated from a 4xx/5xx\n * Response thrown from an action/loader\n */\nexport function isRouteErrorResponse(error: any): error is ErrorResponse {\n return (\n error != null &&\n typeof error.status === \"number\" &&\n typeof error.statusText === \"string\" &&\n typeof error.internal === \"boolean\" &&\n \"data\" in error\n );\n}\n","import type { History, Location, Path, To } from \"./history\";\nimport {\n Action as HistoryAction,\n createLocation,\n createPath,\n invariant,\n parsePath,\n warning,\n} from \"./history\";\nimport type {\n AgnosticDataRouteMatch,\n AgnosticDataRouteObject,\n DataStrategyMatch,\n AgnosticRouteObject,\n DataResult,\n DataStrategyFunction,\n DataStrategyFunctionArgs,\n DeferredData,\n DeferredResult,\n DetectErrorBoundaryFunction,\n ErrorResult,\n FormEncType,\n FormMethod,\n HTMLFormMethod,\n HandlerResult,\n ImmutableRouteKey,\n MapRoutePropertiesFunction,\n MutationFormMethod,\n RedirectResult,\n RouteData,\n RouteManifest,\n ShouldRevalidateFunctionArgs,\n Submission,\n SuccessResult,\n UIMatch,\n V7_FormMethod,\n V7_MutationFormMethod,\n AgnosticPatchRoutesOnMissFunction,\n} from \"./utils\";\nimport {\n ErrorResponseImpl,\n ResultType,\n convertRouteMatchToUiMatch,\n convertRoutesToDataRoutes,\n getPathContributingMatches,\n getResolveToMatches,\n immutableRouteKeys,\n isRouteErrorResponse,\n joinPaths,\n matchRoutes,\n matchRoutesImpl,\n resolveTo,\n stripBasename,\n} from \"./utils\";\n\n////////////////////////////////////////////////////////////////////////////////\n//#region Types and Constants\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * A Router instance manages all navigation and data loading/mutations\n */\nexport interface Router {\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Return the basename for the router\n */\n get basename(): RouterInit[\"basename\"];\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Return the future config for the router\n */\n get future(): FutureConfig;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Return the current state of the router\n */\n get state(): RouterState;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Return the routes for this router instance\n */\n get routes(): AgnosticDataRouteObject[];\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Return the window associated with the router\n */\n get window(): RouterInit[\"window\"];\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Initialize the router, including adding history listeners and kicking off\n * initial data fetches. Returns a function to cleanup listeners and abort\n * any in-progress loads\n */\n initialize(): Router;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Subscribe to router.state updates\n *\n * @param fn function to call with the new state\n */\n subscribe(fn: RouterSubscriber): () => void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Enable scroll restoration behavior in the router\n *\n * @param savedScrollPositions Object that will manage positions, in case\n * it's being restored from sessionStorage\n * @param getScrollPosition Function to get the active Y scroll position\n * @param getKey Function to get the key to use for restoration\n */\n enableScrollRestoration(\n savedScrollPositions: Record,\n getScrollPosition: GetScrollPositionFunction,\n getKey?: GetScrollRestorationKeyFunction\n ): () => void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Navigate forward/backward in the history stack\n * @param to Delta to move in the history stack\n */\n navigate(to: number): Promise;\n\n /**\n * Navigate to the given path\n * @param to Path to navigate to\n * @param opts Navigation options (method, submission, etc.)\n */\n navigate(to: To | null, opts?: RouterNavigateOptions): Promise;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Trigger a fetcher load/submission\n *\n * @param key Fetcher key\n * @param routeId Route that owns the fetcher\n * @param href href to fetch\n * @param opts Fetcher options, (method, submission, etc.)\n */\n fetch(\n key: string,\n routeId: string,\n href: string | null,\n opts?: RouterFetchOptions\n ): void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Trigger a revalidation of all current route loaders and fetcher loads\n */\n revalidate(): void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Utility function to create an href for the given location\n * @param location\n */\n createHref(location: Location | URL): string;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Utility function to URL encode a destination path according to the internal\n * history implementation\n * @param to\n */\n encodeLocation(to: To): Path;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Get/create a fetcher for the given key\n * @param key\n */\n getFetcher(key: string): Fetcher;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Delete the fetcher for a given key\n * @param key\n */\n deleteFetcher(key: string): void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Cleanup listeners and abort any in-progress loads\n */\n dispose(): void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Get a navigation blocker\n * @param key The identifier for the blocker\n * @param fn The blocker function implementation\n */\n getBlocker(key: string, fn: BlockerFunction): Blocker;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Delete a navigation blocker\n * @param key The identifier for the blocker\n */\n deleteBlocker(key: string): void;\n\n /**\n * @internal\n * PRIVATE DO NOT USE\n *\n * Patch additional children routes into an existing parent route\n * @param routeId The parent route id or a callback function accepting `patch`\n * to perform batch patching\n * @param children The additional children routes\n */\n patchRoutes(routeId: string | null, children: AgnosticRouteObject[]): void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * HMR needs to pass in-flight route updates to React Router\n * TODO: Replace this with granular route update APIs (addRoute, updateRoute, deleteRoute)\n */\n _internalSetRoutes(routes: AgnosticRouteObject[]): void;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Internal fetch AbortControllers accessed by unit tests\n */\n _internalFetchControllers: Map;\n\n /**\n * @internal\n * PRIVATE - DO NOT USE\n *\n * Internal pending DeferredData instances accessed by unit tests\n */\n _internalActiveDeferreds: Map;\n}\n\n/**\n * State maintained internally by the router. During a navigation, all states\n * reflect the the \"old\" location unless otherwise noted.\n */\nexport interface RouterState {\n /**\n * The action of the most recent navigation\n */\n historyAction: HistoryAction;\n\n /**\n * The current location reflected by the router\n */\n location: Location;\n\n /**\n * The current set of route matches\n */\n matches: AgnosticDataRouteMatch[];\n\n /**\n * Tracks whether we've completed our initial data load\n */\n initialized: boolean;\n\n /**\n * Current scroll position we should start at for a new view\n * - number -> scroll position to restore to\n * - false -> do not restore scroll at all (used during submissions)\n * - null -> don't have a saved position, scroll to hash or top of page\n */\n restoreScrollPosition: number | false | null;\n\n /**\n * Indicate whether this navigation should skip resetting the scroll position\n * if we are unable to restore the scroll position\n */\n preventScrollReset: boolean;\n\n /**\n * Tracks the state of the current navigation\n */\n navigation: Navigation;\n\n /**\n * Tracks any in-progress revalidations\n */\n revalidation: RevalidationState;\n\n /**\n * Data from the loaders for the current matches\n */\n loaderData: RouteData;\n\n /**\n * Data from the action for the current matches\n */\n actionData: RouteData | null;\n\n /**\n * Errors caught from loaders for the current matches\n */\n errors: RouteData | null;\n\n /**\n * Map of current fetchers\n */\n fetchers: Map;\n\n /**\n * Map of current blockers\n */\n blockers: Map;\n}\n\n/**\n * Data that can be passed into hydrate a Router from SSR\n */\nexport type HydrationState = Partial<\n Pick\n>;\n\n/**\n * Future flags to toggle new feature behavior\n */\nexport interface FutureConfig {\n v7_fetcherPersist: boolean;\n v7_normalizeFormMethod: boolean;\n v7_partialHydration: boolean;\n v7_prependBasename: boolean;\n v7_relativeSplatPath: boolean;\n v7_skipActionErrorRevalidation: boolean;\n}\n\n/**\n * Initialization options for createRouter\n */\nexport interface RouterInit {\n routes: AgnosticRouteObject[];\n history: History;\n basename?: string;\n /**\n * @deprecated Use `mapRouteProperties` instead\n */\n detectErrorBoundary?: DetectErrorBoundaryFunction;\n mapRouteProperties?: MapRoutePropertiesFunction;\n future?: Partial;\n hydrationData?: HydrationState;\n window?: Window;\n unstable_patchRoutesOnMiss?: AgnosticPatchRoutesOnMissFunction;\n unstable_dataStrategy?: DataStrategyFunction;\n}\n\n/**\n * State returned from a server-side query() call\n */\nexport interface StaticHandlerContext {\n basename: Router[\"basename\"];\n location: RouterState[\"location\"];\n matches: RouterState[\"matches\"];\n loaderData: RouterState[\"loaderData\"];\n actionData: RouterState[\"actionData\"];\n errors: RouterState[\"errors\"];\n statusCode: number;\n loaderHeaders: Record;\n actionHeaders: Record;\n activeDeferreds: Record | null;\n _deepestRenderedBoundaryId?: string | null;\n}\n\n/**\n * A StaticHandler instance manages a singular SSR navigation/fetch event\n */\nexport interface StaticHandler {\n dataRoutes: AgnosticDataRouteObject[];\n query(\n request: Request,\n opts?: {\n requestContext?: unknown;\n skipLoaderErrorBubbling?: boolean;\n unstable_dataStrategy?: DataStrategyFunction;\n }\n ): Promise;\n queryRoute(\n request: Request,\n opts?: {\n routeId?: string;\n requestContext?: unknown;\n unstable_dataStrategy?: DataStrategyFunction;\n }\n ): Promise;\n}\n\ntype ViewTransitionOpts = {\n currentLocation: Location;\n nextLocation: Location;\n};\n\n/**\n * Subscriber function signature for changes to router state\n */\nexport interface RouterSubscriber {\n (\n state: RouterState,\n opts: {\n deletedFetchers: string[];\n unstable_viewTransitionOpts?: ViewTransitionOpts;\n unstable_flushSync: boolean;\n }\n ): void;\n}\n\n/**\n * Function signature for determining the key to be used in scroll restoration\n * for a given location\n */\nexport interface GetScrollRestorationKeyFunction {\n (location: Location, matches: UIMatch[]): string | null;\n}\n\n/**\n * Function signature for determining the current scroll position\n */\nexport interface GetScrollPositionFunction {\n (): number;\n}\n\nexport type RelativeRoutingType = \"route\" | \"path\";\n\n// Allowed for any navigation or fetch\ntype BaseNavigateOrFetchOptions = {\n preventScrollReset?: boolean;\n relative?: RelativeRoutingType;\n unstable_flushSync?: boolean;\n};\n\n// Only allowed for navigations\ntype BaseNavigateOptions = BaseNavigateOrFetchOptions & {\n replace?: boolean;\n state?: any;\n fromRouteId?: string;\n unstable_viewTransition?: boolean;\n};\n\n// Only allowed for submission navigations\ntype BaseSubmissionOptions = {\n formMethod?: HTMLFormMethod;\n formEncType?: FormEncType;\n} & (\n | { formData: FormData; body?: undefined }\n | { formData?: undefined; body: any }\n);\n\n/**\n * Options for a navigate() call for a normal (non-submission) navigation\n */\ntype LinkNavigateOptions = BaseNavigateOptions;\n\n/**\n * Options for a navigate() call for a submission navigation\n */\ntype SubmissionNavigateOptions = BaseNavigateOptions & BaseSubmissionOptions;\n\n/**\n * Options to pass to navigate() for a navigation\n */\nexport type RouterNavigateOptions =\n | LinkNavigateOptions\n | SubmissionNavigateOptions;\n\n/**\n * Options for a fetch() load\n */\ntype LoadFetchOptions = BaseNavigateOrFetchOptions;\n\n/**\n * Options for a fetch() submission\n */\ntype SubmitFetchOptions = BaseNavigateOrFetchOptions & BaseSubmissionOptions;\n\n/**\n * Options to pass to fetch()\n */\nexport type RouterFetchOptions = LoadFetchOptions | SubmitFetchOptions;\n\n/**\n * Potential states for state.navigation\n */\nexport type NavigationStates = {\n Idle: {\n state: \"idle\";\n location: undefined;\n formMethod: undefined;\n formAction: undefined;\n formEncType: undefined;\n formData: undefined;\n json: undefined;\n text: undefined;\n };\n Loading: {\n state: \"loading\";\n location: Location;\n formMethod: Submission[\"formMethod\"] | undefined;\n formAction: Submission[\"formAction\"] | undefined;\n formEncType: Submission[\"formEncType\"] | undefined;\n formData: Submission[\"formData\"] | undefined;\n json: Submission[\"json\"] | undefined;\n text: Submission[\"text\"] | undefined;\n };\n Submitting: {\n state: \"submitting\";\n location: Location;\n formMethod: Submission[\"formMethod\"];\n formAction: Submission[\"formAction\"];\n formEncType: Submission[\"formEncType\"];\n formData: Submission[\"formData\"];\n json: Submission[\"json\"];\n text: Submission[\"text\"];\n };\n};\n\nexport type Navigation = NavigationStates[keyof NavigationStates];\n\nexport type RevalidationState = \"idle\" | \"loading\";\n\n/**\n * Potential states for fetchers\n */\ntype FetcherStates = {\n Idle: {\n state: \"idle\";\n formMethod: undefined;\n formAction: undefined;\n formEncType: undefined;\n text: undefined;\n formData: undefined;\n json: undefined;\n data: TData | undefined;\n };\n Loading: {\n state: \"loading\";\n formMethod: Submission[\"formMethod\"] | undefined;\n formAction: Submission[\"formAction\"] | undefined;\n formEncType: Submission[\"formEncType\"] | undefined;\n text: Submission[\"text\"] | undefined;\n formData: Submission[\"formData\"] | undefined;\n json: Submission[\"json\"] | undefined;\n data: TData | undefined;\n };\n Submitting: {\n state: \"submitting\";\n formMethod: Submission[\"formMethod\"];\n formAction: Submission[\"formAction\"];\n formEncType: Submission[\"formEncType\"];\n text: Submission[\"text\"];\n formData: Submission[\"formData\"];\n json: Submission[\"json\"];\n data: TData | undefined;\n };\n};\n\nexport type Fetcher =\n FetcherStates[keyof FetcherStates];\n\ninterface BlockerBlocked {\n state: \"blocked\";\n reset(): void;\n proceed(): void;\n location: Location;\n}\n\ninterface BlockerUnblocked {\n state: \"unblocked\";\n reset: undefined;\n proceed: undefined;\n location: undefined;\n}\n\ninterface BlockerProceeding {\n state: \"proceeding\";\n reset: undefined;\n proceed: undefined;\n location: Location;\n}\n\nexport type Blocker = BlockerUnblocked | BlockerBlocked | BlockerProceeding;\n\nexport type BlockerFunction = (args: {\n currentLocation: Location;\n nextLocation: Location;\n historyAction: HistoryAction;\n}) => boolean;\n\ninterface ShortCircuitable {\n /**\n * startNavigation does not need to complete the navigation because we\n * redirected or got interrupted\n */\n shortCircuited?: boolean;\n}\n\ntype PendingActionResult = [string, SuccessResult | ErrorResult];\n\ninterface HandleActionResult extends ShortCircuitable {\n /**\n * Route matches which may have been updated from fog of war discovery\n */\n matches?: RouterState[\"matches\"];\n /**\n * Tuple for the returned or thrown value from the current action. The routeId\n * is the action route for success and the bubbled boundary route for errors.\n */\n pendingActionResult?: PendingActionResult;\n}\n\ninterface HandleLoadersResult extends ShortCircuitable {\n /**\n * Route matches which may have been updated from fog of war discovery\n */\n matches?: RouterState[\"matches\"];\n /**\n * loaderData returned from the current set of loaders\n */\n loaderData?: RouterState[\"loaderData\"];\n /**\n * errors thrown from the current set of loaders\n */\n errors?: RouterState[\"errors\"];\n}\n\n/**\n * Cached info for active fetcher.load() instances so they can participate\n * in revalidation\n */\ninterface FetchLoadMatch {\n routeId: string;\n path: string;\n}\n\n/**\n * Identified fetcher.load() calls that need to be revalidated\n */\ninterface RevalidatingFetcher extends FetchLoadMatch {\n key: string;\n match: AgnosticDataRouteMatch | null;\n matches: AgnosticDataRouteMatch[] | null;\n controller: AbortController | null;\n}\n\nconst validMutationMethodsArr: MutationFormMethod[] = [\n \"post\",\n \"put\",\n \"patch\",\n \"delete\",\n];\nconst validMutationMethods = new Set(\n validMutationMethodsArr\n);\n\nconst validRequestMethodsArr: FormMethod[] = [\n \"get\",\n ...validMutationMethodsArr,\n];\nconst validRequestMethods = new Set(validRequestMethodsArr);\n\nconst redirectStatusCodes = new Set([301, 302, 303, 307, 308]);\nconst redirectPreserveMethodStatusCodes = new Set([307, 308]);\n\nexport const IDLE_NAVIGATION: NavigationStates[\"Idle\"] = {\n state: \"idle\",\n location: undefined,\n formMethod: undefined,\n formAction: undefined,\n formEncType: undefined,\n formData: undefined,\n json: undefined,\n text: undefined,\n};\n\nexport const IDLE_FETCHER: FetcherStates[\"Idle\"] = {\n state: \"idle\",\n data: undefined,\n formMethod: undefined,\n formAction: undefined,\n formEncType: undefined,\n formData: undefined,\n json: undefined,\n text: undefined,\n};\n\nexport const IDLE_BLOCKER: BlockerUnblocked = {\n state: \"unblocked\",\n proceed: undefined,\n reset: undefined,\n location: undefined,\n};\n\nconst ABSOLUTE_URL_REGEX = /^(?:[a-z][a-z0-9+.-]*:|\\/\\/)/i;\n\nconst defaultMapRouteProperties: MapRoutePropertiesFunction = (route) => ({\n hasErrorBoundary: Boolean(route.hasErrorBoundary),\n});\n\nconst TRANSITIONS_STORAGE_KEY = \"remix-router-transitions\";\n\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region createRouter\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * Create a router and listen to history POP navigations\n */\nexport function createRouter(init: RouterInit): Router {\n const routerWindow = init.window\n ? init.window\n : typeof window !== \"undefined\"\n ? window\n : undefined;\n const isBrowser =\n typeof routerWindow !== \"undefined\" &&\n typeof routerWindow.document !== \"undefined\" &&\n typeof routerWindow.document.createElement !== \"undefined\";\n const isServer = !isBrowser;\n\n invariant(\n init.routes.length > 0,\n \"You must provide a non-empty routes array to createRouter\"\n );\n\n let mapRouteProperties: MapRoutePropertiesFunction;\n if (init.mapRouteProperties) {\n mapRouteProperties = init.mapRouteProperties;\n } else if (init.detectErrorBoundary) {\n // If they are still using the deprecated version, wrap it with the new API\n let detectErrorBoundary = init.detectErrorBoundary;\n mapRouteProperties = (route) => ({\n hasErrorBoundary: detectErrorBoundary(route),\n });\n } else {\n mapRouteProperties = defaultMapRouteProperties;\n }\n\n // Routes keyed by ID\n let manifest: RouteManifest = {};\n // Routes in tree format for matching\n let dataRoutes = convertRoutesToDataRoutes(\n init.routes,\n mapRouteProperties,\n undefined,\n manifest\n );\n let inFlightDataRoutes: AgnosticDataRouteObject[] | undefined;\n let basename = init.basename || \"/\";\n let dataStrategyImpl = init.unstable_dataStrategy || defaultDataStrategy;\n let patchRoutesOnMissImpl = init.unstable_patchRoutesOnMiss;\n\n // Config driven behavior flags\n let future: FutureConfig = {\n v7_fetcherPersist: false,\n v7_normalizeFormMethod: false,\n v7_partialHydration: false,\n v7_prependBasename: false,\n v7_relativeSplatPath: false,\n v7_skipActionErrorRevalidation: false,\n ...init.future,\n };\n // Cleanup function for history\n let unlistenHistory: (() => void) | null = null;\n // Externally-provided functions to call on all state changes\n let subscribers = new Set();\n // Externally-provided object to hold scroll restoration locations during routing\n let savedScrollPositions: Record | null = null;\n // Externally-provided function to get scroll restoration keys\n let getScrollRestorationKey: GetScrollRestorationKeyFunction | null = null;\n // Externally-provided function to get current scroll position\n let getScrollPosition: GetScrollPositionFunction | null = null;\n // One-time flag to control the initial hydration scroll restoration. Because\n // we don't get the saved positions from until _after_\n // the initial render, we need to manually trigger a separate updateState to\n // send along the restoreScrollPosition\n // Set to true if we have `hydrationData` since we assume we were SSR'd and that\n // SSR did the initial scroll restoration.\n let initialScrollRestored = init.hydrationData != null;\n\n let initialMatches = matchRoutes(dataRoutes, init.history.location, basename);\n let initialErrors: RouteData | null = null;\n\n if (initialMatches == null && !patchRoutesOnMissImpl) {\n // If we do not match a user-provided-route, fall back to the root\n // to allow the error boundary to take over\n let error = getInternalRouterError(404, {\n pathname: init.history.location.pathname,\n });\n let { matches, route } = getShortCircuitMatches(dataRoutes);\n initialMatches = matches;\n initialErrors = { [route.id]: error };\n }\n\n // In SPA apps, if the user provided a patchRoutesOnMiss implementation and\n // our initial match is a splat route, clear them out so we run through lazy\n // discovery on hydration in case there's a more accurate lazy route match.\n // In SSR apps (with `hydrationData`), we expect that the server will send\n // up the proper matched routes so we don't want to run lazy discovery on\n // initial hydration and want to hydrate into the splat route.\n if (initialMatches && patchRoutesOnMissImpl && !init.hydrationData) {\n let fogOfWar = checkFogOfWar(\n initialMatches,\n dataRoutes,\n init.history.location.pathname\n );\n if (fogOfWar.active) {\n initialMatches = null;\n }\n }\n\n let initialized: boolean;\n if (!initialMatches) {\n // We need to run patchRoutesOnMiss in initialize()\n initialized = false;\n initialMatches = [];\n } else if (initialMatches.some((m) => m.route.lazy)) {\n // All initialMatches need to be loaded before we're ready. If we have lazy\n // functions around still then we'll need to run them in initialize()\n initialized = false;\n } else if (!initialMatches.some((m) => m.route.loader)) {\n // If we've got no loaders to run, then we're good to go\n initialized = true;\n } else if (future.v7_partialHydration) {\n // If partial hydration is enabled, we're initialized so long as we were\n // provided with hydrationData for every route with a loader, and no loaders\n // were marked for explicit hydration\n let loaderData = init.hydrationData ? init.hydrationData.loaderData : null;\n let errors = init.hydrationData ? init.hydrationData.errors : null;\n let isRouteInitialized = (m: AgnosticDataRouteMatch) => {\n // No loader, nothing to initialize\n if (!m.route.loader) {\n return true;\n }\n // Explicitly opting-in to running on hydration\n if (\n typeof m.route.loader === \"function\" &&\n m.route.loader.hydrate === true\n ) {\n return false;\n }\n // Otherwise, initialized if hydrated with data or an error\n return (\n (loaderData && loaderData[m.route.id] !== undefined) ||\n (errors && errors[m.route.id] !== undefined)\n );\n };\n\n // If errors exist, don't consider routes below the boundary\n if (errors) {\n let idx = initialMatches.findIndex(\n (m) => errors![m.route.id] !== undefined\n );\n initialized = initialMatches.slice(0, idx + 1).every(isRouteInitialized);\n } else {\n initialized = initialMatches.every(isRouteInitialized);\n }\n } else {\n // Without partial hydration - we're initialized if we were provided any\n // hydrationData - which is expected to be complete\n initialized = init.hydrationData != null;\n }\n\n let router: Router;\n let state: RouterState = {\n historyAction: init.history.action,\n location: init.history.location,\n matches: initialMatches,\n initialized,\n navigation: IDLE_NAVIGATION,\n // Don't restore on initial updateState() if we were SSR'd\n restoreScrollPosition: init.hydrationData != null ? false : null,\n preventScrollReset: false,\n revalidation: \"idle\",\n loaderData: (init.hydrationData && init.hydrationData.loaderData) || {},\n actionData: (init.hydrationData && init.hydrationData.actionData) || null,\n errors: (init.hydrationData && init.hydrationData.errors) || initialErrors,\n fetchers: new Map(),\n blockers: new Map(),\n };\n\n // -- Stateful internal variables to manage navigations --\n // Current navigation in progress (to be committed in completeNavigation)\n let pendingAction: HistoryAction = HistoryAction.Pop;\n\n // Should the current navigation prevent the scroll reset if scroll cannot\n // be restored?\n let pendingPreventScrollReset = false;\n\n // AbortController for the active navigation\n let pendingNavigationController: AbortController | null;\n\n // Should the current navigation enable document.startViewTransition?\n let pendingViewTransitionEnabled = false;\n\n // Store applied view transitions so we can apply them on POP\n let appliedViewTransitions: Map> = new Map<\n string,\n Set\n >();\n\n // Cleanup function for persisting applied transitions to sessionStorage\n let removePageHideEventListener: (() => void) | null = null;\n\n // We use this to avoid touching history in completeNavigation if a\n // revalidation is entirely uninterrupted\n let isUninterruptedRevalidation = false;\n\n // Use this internal flag to force revalidation of all loaders:\n // - submissions (completed or interrupted)\n // - useRevalidator()\n // - X-Remix-Revalidate (from redirect)\n let isRevalidationRequired = false;\n\n // Use this internal array to capture routes that require revalidation due\n // to a cancelled deferred on action submission\n let cancelledDeferredRoutes: string[] = [];\n\n // Use this internal array to capture fetcher loads that were cancelled by an\n // action navigation and require revalidation\n let cancelledFetcherLoads: string[] = [];\n\n // AbortControllers for any in-flight fetchers\n let fetchControllers = new Map();\n\n // Track loads based on the order in which they started\n let incrementingLoadId = 0;\n\n // Track the outstanding pending navigation data load to be compared against\n // the globally incrementing load when a fetcher load lands after a completed\n // navigation\n let pendingNavigationLoadId = -1;\n\n // Fetchers that triggered data reloads as a result of their actions\n let fetchReloadIds = new Map();\n\n // Fetchers that triggered redirect navigations\n let fetchRedirectIds = new Set();\n\n // Most recent href/match for fetcher.load calls for fetchers\n let fetchLoadMatches = new Map();\n\n // Ref-count mounted fetchers so we know when it's ok to clean them up\n let activeFetchers = new Map();\n\n // Fetchers that have requested a delete when using v7_fetcherPersist,\n // they'll be officially removed after they return to idle\n let deletedFetchers = new Set();\n\n // Store DeferredData instances for active route matches. When a\n // route loader returns defer() we stick one in here. Then, when a nested\n // promise resolves we update loaderData. If a new navigation starts we\n // cancel active deferreds for eliminated routes.\n let activeDeferreds = new Map();\n\n // Store blocker functions in a separate Map outside of router state since\n // we don't need to update UI state if they change\n let blockerFunctions = new Map();\n\n // Map of pending patchRoutesOnMiss() promises (keyed by path/matches) so\n // that we only kick them off once for a given combo\n let pendingPatchRoutes = new Map<\n string,\n ReturnType\n >();\n\n // Flag to ignore the next history update, so we can revert the URL change on\n // a POP navigation that was blocked by the user without touching router state\n let ignoreNextHistoryUpdate = false;\n\n // Initialize the router, all side effects should be kicked off from here.\n // Implemented as a Fluent API for ease of:\n // let router = createRouter(init).initialize();\n function initialize() {\n // If history informs us of a POP navigation, start the navigation but do not update\n // state. We'll update our own state once the navigation completes\n unlistenHistory = init.history.listen(\n ({ action: historyAction, location, delta }) => {\n // Ignore this event if it was just us resetting the URL from a\n // blocked POP navigation\n if (ignoreNextHistoryUpdate) {\n ignoreNextHistoryUpdate = false;\n return;\n }\n\n warning(\n blockerFunctions.size === 0 || delta != null,\n \"You are trying to use a blocker on a POP navigation to a location \" +\n \"that was not created by @remix-run/router. This will fail silently in \" +\n \"production. This can happen if you are navigating outside the router \" +\n \"via `window.history.pushState`/`window.location.hash` instead of using \" +\n \"router navigation APIs. This can also happen if you are using \" +\n \"createHashRouter and the user manually changes the URL.\"\n );\n\n let blockerKey = shouldBlockNavigation({\n currentLocation: state.location,\n nextLocation: location,\n historyAction,\n });\n\n if (blockerKey && delta != null) {\n // Restore the URL to match the current UI, but don't update router state\n ignoreNextHistoryUpdate = true;\n init.history.go(delta * -1);\n\n // Put the blocker into a blocked state\n updateBlocker(blockerKey, {\n state: \"blocked\",\n location,\n proceed() {\n updateBlocker(blockerKey!, {\n state: \"proceeding\",\n proceed: undefined,\n reset: undefined,\n location,\n });\n // Re-do the same POP navigation we just blocked\n init.history.go(delta);\n },\n reset() {\n let blockers = new Map(state.blockers);\n blockers.set(blockerKey!, IDLE_BLOCKER);\n updateState({ blockers });\n },\n });\n return;\n }\n\n return startNavigation(historyAction, location);\n }\n );\n\n if (isBrowser) {\n // FIXME: This feels gross. How can we cleanup the lines between\n // scrollRestoration/appliedTransitions persistance?\n restoreAppliedTransitions(routerWindow, appliedViewTransitions);\n let _saveAppliedTransitions = () =>\n persistAppliedTransitions(routerWindow, appliedViewTransitions);\n routerWindow.addEventListener(\"pagehide\", _saveAppliedTransitions);\n removePageHideEventListener = () =>\n routerWindow.removeEventListener(\"pagehide\", _saveAppliedTransitions);\n }\n\n // Kick off initial data load if needed. Use Pop to avoid modifying history\n // Note we don't do any handling of lazy here. For SPA's it'll get handled\n // in the normal navigation flow. For SSR it's expected that lazy modules are\n // resolved prior to router creation since we can't go into a fallbackElement\n // UI for SSR'd apps\n if (!state.initialized) {\n startNavigation(HistoryAction.Pop, state.location, {\n initialHydration: true,\n });\n }\n\n return router;\n }\n\n // Clean up a router and it's side effects\n function dispose() {\n if (unlistenHistory) {\n unlistenHistory();\n }\n if (removePageHideEventListener) {\n removePageHideEventListener();\n }\n subscribers.clear();\n pendingNavigationController && pendingNavigationController.abort();\n state.fetchers.forEach((_, key) => deleteFetcher(key));\n state.blockers.forEach((_, key) => deleteBlocker(key));\n }\n\n // Subscribe to state updates for the router\n function subscribe(fn: RouterSubscriber) {\n subscribers.add(fn);\n return () => subscribers.delete(fn);\n }\n\n // Update our state and notify the calling context of the change\n function updateState(\n newState: Partial,\n opts: {\n flushSync?: boolean;\n viewTransitionOpts?: ViewTransitionOpts;\n } = {}\n ): void {\n state = {\n ...state,\n ...newState,\n };\n\n // Prep fetcher cleanup so we can tell the UI which fetcher data entries\n // can be removed\n let completedFetchers: string[] = [];\n let deletedFetchersKeys: string[] = [];\n\n if (future.v7_fetcherPersist) {\n state.fetchers.forEach((fetcher, key) => {\n if (fetcher.state === \"idle\") {\n if (deletedFetchers.has(key)) {\n // Unmounted from the UI and can be totally removed\n deletedFetchersKeys.push(key);\n } else {\n // Returned to idle but still mounted in the UI, so semi-remains for\n // revalidations and such\n completedFetchers.push(key);\n }\n }\n });\n }\n\n // Iterate over a local copy so that if flushSync is used and we end up\n // removing and adding a new subscriber due to the useCallback dependencies,\n // we don't get ourselves into a loop calling the new subscriber immediately\n [...subscribers].forEach((subscriber) =>\n subscriber(state, {\n deletedFetchers: deletedFetchersKeys,\n unstable_viewTransitionOpts: opts.viewTransitionOpts,\n unstable_flushSync: opts.flushSync === true,\n })\n );\n\n // Remove idle fetchers from state since we only care about in-flight fetchers.\n if (future.v7_fetcherPersist) {\n completedFetchers.forEach((key) => state.fetchers.delete(key));\n deletedFetchersKeys.forEach((key) => deleteFetcher(key));\n }\n }\n\n // Complete a navigation returning the state.navigation back to the IDLE_NAVIGATION\n // and setting state.[historyAction/location/matches] to the new route.\n // - Location is a required param\n // - Navigation will always be set to IDLE_NAVIGATION\n // - Can pass any other state in newState\n function completeNavigation(\n location: Location,\n newState: Partial>,\n { flushSync }: { flushSync?: boolean } = {}\n ): void {\n // Deduce if we're in a loading/actionReload state:\n // - We have committed actionData in the store\n // - The current navigation was a mutation submission\n // - We're past the submitting state and into the loading state\n // - The location being loaded is not the result of a redirect\n let isActionReload =\n state.actionData != null &&\n state.navigation.formMethod != null &&\n isMutationMethod(state.navigation.formMethod) &&\n state.navigation.state === \"loading\" &&\n location.state?._isRedirect !== true;\n\n let actionData: RouteData | null;\n if (newState.actionData) {\n if (Object.keys(newState.actionData).length > 0) {\n actionData = newState.actionData;\n } else {\n // Empty actionData -> clear prior actionData due to an action error\n actionData = null;\n }\n } else if (isActionReload) {\n // Keep the current data if we're wrapping up the action reload\n actionData = state.actionData;\n } else {\n // Clear actionData on any other completed navigations\n actionData = null;\n }\n\n // Always preserve any existing loaderData from re-used routes\n let loaderData = newState.loaderData\n ? mergeLoaderData(\n state.loaderData,\n newState.loaderData,\n newState.matches || [],\n newState.errors\n )\n : state.loaderData;\n\n // On a successful navigation we can assume we got through all blockers\n // so we can start fresh\n let blockers = state.blockers;\n if (blockers.size > 0) {\n blockers = new Map(blockers);\n blockers.forEach((_, k) => blockers.set(k, IDLE_BLOCKER));\n }\n\n // Always respect the user flag. Otherwise don't reset on mutation\n // submission navigations unless they redirect\n let preventScrollReset =\n pendingPreventScrollReset === true ||\n (state.navigation.formMethod != null &&\n isMutationMethod(state.navigation.formMethod) &&\n location.state?._isRedirect !== true);\n\n // Commit any in-flight routes at the end of the HMR revalidation \"navigation\"\n if (inFlightDataRoutes) {\n dataRoutes = inFlightDataRoutes;\n inFlightDataRoutes = undefined;\n }\n\n if (isUninterruptedRevalidation) {\n // If this was an uninterrupted revalidation then do not touch history\n } else if (pendingAction === HistoryAction.Pop) {\n // Do nothing for POP - URL has already been updated\n } else if (pendingAction === HistoryAction.Push) {\n init.history.push(location, location.state);\n } else if (pendingAction === HistoryAction.Replace) {\n init.history.replace(location, location.state);\n }\n\n let viewTransitionOpts: ViewTransitionOpts | undefined;\n\n // On POP, enable transitions if they were enabled on the original navigation\n if (pendingAction === HistoryAction.Pop) {\n // Forward takes precedence so they behave like the original navigation\n let priorPaths = appliedViewTransitions.get(state.location.pathname);\n if (priorPaths && priorPaths.has(location.pathname)) {\n viewTransitionOpts = {\n currentLocation: state.location,\n nextLocation: location,\n };\n } else if (appliedViewTransitions.has(location.pathname)) {\n // If we don't have a previous forward nav, assume we're popping back to\n // the new location and enable if that location previously enabled\n viewTransitionOpts = {\n currentLocation: location,\n nextLocation: state.location,\n };\n }\n } else if (pendingViewTransitionEnabled) {\n // Store the applied transition on PUSH/REPLACE\n let toPaths = appliedViewTransitions.get(state.location.pathname);\n if (toPaths) {\n toPaths.add(location.pathname);\n } else {\n toPaths = new Set([location.pathname]);\n appliedViewTransitions.set(state.location.pathname, toPaths);\n }\n viewTransitionOpts = {\n currentLocation: state.location,\n nextLocation: location,\n };\n }\n\n updateState(\n {\n ...newState, // matches, errors, fetchers go through as-is\n actionData,\n loaderData,\n historyAction: pendingAction,\n location,\n initialized: true,\n navigation: IDLE_NAVIGATION,\n revalidation: \"idle\",\n restoreScrollPosition: getSavedScrollPosition(\n location,\n newState.matches || state.matches\n ),\n preventScrollReset,\n blockers,\n },\n {\n viewTransitionOpts,\n flushSync: flushSync === true,\n }\n );\n\n // Reset stateful navigation vars\n pendingAction = HistoryAction.Pop;\n pendingPreventScrollReset = false;\n pendingViewTransitionEnabled = false;\n isUninterruptedRevalidation = false;\n isRevalidationRequired = false;\n cancelledDeferredRoutes = [];\n cancelledFetcherLoads = [];\n }\n\n // Trigger a navigation event, which can either be a numerical POP or a PUSH\n // replace with an optional submission\n async function navigate(\n to: number | To | null,\n opts?: RouterNavigateOptions\n ): Promise {\n if (typeof to === \"number\") {\n init.history.go(to);\n return;\n }\n\n let normalizedPath = normalizeTo(\n state.location,\n state.matches,\n basename,\n future.v7_prependBasename,\n to,\n future.v7_relativeSplatPath,\n opts?.fromRouteId,\n opts?.relative\n );\n let { path, submission, error } = normalizeNavigateOptions(\n future.v7_normalizeFormMethod,\n false,\n normalizedPath,\n opts\n );\n\n let currentLocation = state.location;\n let nextLocation = createLocation(state.location, path, opts && opts.state);\n\n // When using navigate as a PUSH/REPLACE we aren't reading an already-encoded\n // URL from window.location, so we need to encode it here so the behavior\n // remains the same as POP and non-data-router usages. new URL() does all\n // the same encoding we'd get from a history.pushState/window.location read\n // without having to touch history\n nextLocation = {\n ...nextLocation,\n ...init.history.encodeLocation(nextLocation),\n };\n\n let userReplace = opts && opts.replace != null ? opts.replace : undefined;\n\n let historyAction = HistoryAction.Push;\n\n if (userReplace === true) {\n historyAction = HistoryAction.Replace;\n } else if (userReplace === false) {\n // no-op\n } else if (\n submission != null &&\n isMutationMethod(submission.formMethod) &&\n submission.formAction === state.location.pathname + state.location.search\n ) {\n // By default on submissions to the current location we REPLACE so that\n // users don't have to double-click the back button to get to the prior\n // location. If the user redirects to a different location from the\n // action/loader this will be ignored and the redirect will be a PUSH\n historyAction = HistoryAction.Replace;\n }\n\n let preventScrollReset =\n opts && \"preventScrollReset\" in opts\n ? opts.preventScrollReset === true\n : undefined;\n\n let flushSync = (opts && opts.unstable_flushSync) === true;\n\n let blockerKey = shouldBlockNavigation({\n currentLocation,\n nextLocation,\n historyAction,\n });\n\n if (blockerKey) {\n // Put the blocker into a blocked state\n updateBlocker(blockerKey, {\n state: \"blocked\",\n location: nextLocation,\n proceed() {\n updateBlocker(blockerKey!, {\n state: \"proceeding\",\n proceed: undefined,\n reset: undefined,\n location: nextLocation,\n });\n // Send the same navigation through\n navigate(to, opts);\n },\n reset() {\n let blockers = new Map(state.blockers);\n blockers.set(blockerKey!, IDLE_BLOCKER);\n updateState({ blockers });\n },\n });\n return;\n }\n\n return await startNavigation(historyAction, nextLocation, {\n submission,\n // Send through the formData serialization error if we have one so we can\n // render at the right error boundary after we match routes\n pendingError: error,\n preventScrollReset,\n replace: opts && opts.replace,\n enableViewTransition: opts && opts.unstable_viewTransition,\n flushSync,\n });\n }\n\n // Revalidate all current loaders. If a navigation is in progress or if this\n // is interrupted by a navigation, allow this to \"succeed\" by calling all\n // loaders during the next loader round\n function revalidate() {\n interruptActiveLoads();\n updateState({ revalidation: \"loading\" });\n\n // If we're currently submitting an action, we don't need to start a new\n // navigation, we'll just let the follow up loader execution call all loaders\n if (state.navigation.state === \"submitting\") {\n return;\n }\n\n // If we're currently in an idle state, start a new navigation for the current\n // action/location and mark it as uninterrupted, which will skip the history\n // update in completeNavigation\n if (state.navigation.state === \"idle\") {\n startNavigation(state.historyAction, state.location, {\n startUninterruptedRevalidation: true,\n });\n return;\n }\n\n // Otherwise, if we're currently in a loading state, just start a new\n // navigation to the navigation.location but do not trigger an uninterrupted\n // revalidation so that history correctly updates once the navigation completes\n startNavigation(\n pendingAction || state.historyAction,\n state.navigation.location,\n { overrideNavigation: state.navigation }\n );\n }\n\n // Start a navigation to the given action/location. Can optionally provide a\n // overrideNavigation which will override the normalLoad in the case of a redirect\n // navigation\n async function startNavigation(\n historyAction: HistoryAction,\n location: Location,\n opts?: {\n initialHydration?: boolean;\n submission?: Submission;\n fetcherSubmission?: Submission;\n overrideNavigation?: Navigation;\n pendingError?: ErrorResponseImpl;\n startUninterruptedRevalidation?: boolean;\n preventScrollReset?: boolean;\n replace?: boolean;\n enableViewTransition?: boolean;\n flushSync?: boolean;\n }\n ): Promise {\n // Abort any in-progress navigations and start a new one. Unset any ongoing\n // uninterrupted revalidations unless told otherwise, since we want this\n // new navigation to update history normally\n pendingNavigationController && pendingNavigationController.abort();\n pendingNavigationController = null;\n pendingAction = historyAction;\n isUninterruptedRevalidation =\n (opts && opts.startUninterruptedRevalidation) === true;\n\n // Save the current scroll position every time we start a new navigation,\n // and track whether we should reset scroll on completion\n saveScrollPosition(state.location, state.matches);\n pendingPreventScrollReset = (opts && opts.preventScrollReset) === true;\n\n pendingViewTransitionEnabled = (opts && opts.enableViewTransition) === true;\n\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let loadingNavigation = opts && opts.overrideNavigation;\n let matches = matchRoutes(routesToUse, location, basename);\n let flushSync = (opts && opts.flushSync) === true;\n\n let fogOfWar = checkFogOfWar(matches, routesToUse, location.pathname);\n if (fogOfWar.active && fogOfWar.matches) {\n matches = fogOfWar.matches;\n }\n\n // Short circuit with a 404 on the root error boundary if we match nothing\n if (!matches) {\n let { error, notFoundMatches, route } = handleNavigational404(\n location.pathname\n );\n completeNavigation(\n location,\n {\n matches: notFoundMatches,\n loaderData: {},\n errors: {\n [route.id]: error,\n },\n },\n { flushSync }\n );\n return;\n }\n\n // Short circuit if it's only a hash change and not a revalidation or\n // mutation submission.\n //\n // Ignore on initial page loads because since the initial load will always\n // be \"same hash\". For example, on /page#hash and submit a \n // which will default to a navigation to /page\n if (\n state.initialized &&\n !isRevalidationRequired &&\n isHashChangeOnly(state.location, location) &&\n !(opts && opts.submission && isMutationMethod(opts.submission.formMethod))\n ) {\n completeNavigation(location, { matches }, { flushSync });\n return;\n }\n\n // Create a controller/Request for this navigation\n pendingNavigationController = new AbortController();\n let request = createClientSideRequest(\n init.history,\n location,\n pendingNavigationController.signal,\n opts && opts.submission\n );\n let pendingActionResult: PendingActionResult | undefined;\n\n if (opts && opts.pendingError) {\n // If we have a pendingError, it means the user attempted a GET submission\n // with binary FormData so assign here and skip to handleLoaders. That\n // way we handle calling loaders above the boundary etc. It's not really\n // different from an actionError in that sense.\n pendingActionResult = [\n findNearestBoundary(matches).route.id,\n { type: ResultType.error, error: opts.pendingError },\n ];\n } else if (\n opts &&\n opts.submission &&\n isMutationMethod(opts.submission.formMethod)\n ) {\n // Call action if we received an action submission\n let actionResult = await handleAction(\n request,\n location,\n opts.submission,\n matches,\n fogOfWar.active,\n { replace: opts.replace, flushSync }\n );\n\n if (actionResult.shortCircuited) {\n return;\n }\n\n // If we received a 404 from handleAction, it's because we couldn't lazily\n // discover the destination route so we don't want to call loaders\n if (actionResult.pendingActionResult) {\n let [routeId, result] = actionResult.pendingActionResult;\n if (\n isErrorResult(result) &&\n isRouteErrorResponse(result.error) &&\n result.error.status === 404\n ) {\n pendingNavigationController = null;\n\n completeNavigation(location, {\n matches: actionResult.matches,\n loaderData: {},\n errors: {\n [routeId]: result.error,\n },\n });\n return;\n }\n }\n\n matches = actionResult.matches || matches;\n pendingActionResult = actionResult.pendingActionResult;\n loadingNavigation = getLoadingNavigation(location, opts.submission);\n flushSync = false;\n // No need to do fog of war matching again on loader execution\n fogOfWar.active = false;\n\n // Create a GET request for the loaders\n request = createClientSideRequest(\n init.history,\n request.url,\n request.signal\n );\n }\n\n // Call loaders\n let {\n shortCircuited,\n matches: updatedMatches,\n loaderData,\n errors,\n } = await handleLoaders(\n request,\n location,\n matches,\n fogOfWar.active,\n loadingNavigation,\n opts && opts.submission,\n opts && opts.fetcherSubmission,\n opts && opts.replace,\n opts && opts.initialHydration === true,\n flushSync,\n pendingActionResult\n );\n\n if (shortCircuited) {\n return;\n }\n\n // Clean up now that the action/loaders have completed. Don't clean up if\n // we short circuited because pendingNavigationController will have already\n // been assigned to a new controller for the next navigation\n pendingNavigationController = null;\n\n completeNavigation(location, {\n matches: updatedMatches || matches,\n ...getActionDataForCommit(pendingActionResult),\n loaderData,\n errors,\n });\n }\n\n // Call the action matched by the leaf route for this navigation and handle\n // redirects/errors\n async function handleAction(\n request: Request,\n location: Location,\n submission: Submission,\n matches: AgnosticDataRouteMatch[],\n isFogOfWar: boolean,\n opts: { replace?: boolean; flushSync?: boolean } = {}\n ): Promise {\n interruptActiveLoads();\n\n // Put us in a submitting state\n let navigation = getSubmittingNavigation(location, submission);\n updateState({ navigation }, { flushSync: opts.flushSync === true });\n\n if (isFogOfWar) {\n let discoverResult = await discoverRoutes(\n matches,\n location.pathname,\n request.signal\n );\n if (discoverResult.type === \"aborted\") {\n return { shortCircuited: true };\n } else if (discoverResult.type === \"error\") {\n let { boundaryId, error } = handleDiscoverRouteError(\n location.pathname,\n discoverResult\n );\n return {\n matches: discoverResult.partialMatches,\n pendingActionResult: [\n boundaryId,\n {\n type: ResultType.error,\n error,\n },\n ],\n };\n } else if (!discoverResult.matches) {\n let { notFoundMatches, error, route } = handleNavigational404(\n location.pathname\n );\n return {\n matches: notFoundMatches,\n pendingActionResult: [\n route.id,\n {\n type: ResultType.error,\n error,\n },\n ],\n };\n } else {\n matches = discoverResult.matches;\n }\n }\n\n // Call our action and get the result\n let result: DataResult;\n let actionMatch = getTargetMatch(matches, location);\n\n if (!actionMatch.route.action && !actionMatch.route.lazy) {\n result = {\n type: ResultType.error,\n error: getInternalRouterError(405, {\n method: request.method,\n pathname: location.pathname,\n routeId: actionMatch.route.id,\n }),\n };\n } else {\n let results = await callDataStrategy(\n \"action\",\n request,\n [actionMatch],\n matches\n );\n result = results[0];\n\n if (request.signal.aborted) {\n return { shortCircuited: true };\n }\n }\n\n if (isRedirectResult(result)) {\n let replace: boolean;\n if (opts && opts.replace != null) {\n replace = opts.replace;\n } else {\n // If the user didn't explicity indicate replace behavior, replace if\n // we redirected to the exact same location we're currently at to avoid\n // double back-buttons\n let location = normalizeRedirectLocation(\n result.response.headers.get(\"Location\")!,\n new URL(request.url),\n basename\n );\n replace = location === state.location.pathname + state.location.search;\n }\n await startRedirectNavigation(request, result, {\n submission,\n replace,\n });\n return { shortCircuited: true };\n }\n\n if (isDeferredResult(result)) {\n throw getInternalRouterError(400, { type: \"defer-action\" });\n }\n\n if (isErrorResult(result)) {\n // Store off the pending error - we use it to determine which loaders\n // to call and will commit it when we complete the navigation\n let boundaryMatch = findNearestBoundary(matches, actionMatch.route.id);\n\n // By default, all submissions to the current location are REPLACE\n // navigations, but if the action threw an error that'll be rendered in\n // an errorElement, we fall back to PUSH so that the user can use the\n // back button to get back to the pre-submission form location to try\n // again\n if ((opts && opts.replace) !== true) {\n pendingAction = HistoryAction.Push;\n }\n\n return {\n matches,\n pendingActionResult: [boundaryMatch.route.id, result],\n };\n }\n\n return {\n matches,\n pendingActionResult: [actionMatch.route.id, result],\n };\n }\n\n // Call all applicable loaders for the given matches, handling redirects,\n // errors, etc.\n async function handleLoaders(\n request: Request,\n location: Location,\n matches: AgnosticDataRouteMatch[],\n isFogOfWar: boolean,\n overrideNavigation?: Navigation,\n submission?: Submission,\n fetcherSubmission?: Submission,\n replace?: boolean,\n initialHydration?: boolean,\n flushSync?: boolean,\n pendingActionResult?: PendingActionResult\n ): Promise {\n // Figure out the right navigation we want to use for data loading\n let loadingNavigation =\n overrideNavigation || getLoadingNavigation(location, submission);\n\n // If this was a redirect from an action we don't have a \"submission\" but\n // we have it on the loading navigation so use that if available\n let activeSubmission =\n submission ||\n fetcherSubmission ||\n getSubmissionFromNavigation(loadingNavigation);\n\n // If this is an uninterrupted revalidation, we remain in our current idle\n // state. If not, we need to switch to our loading state and load data,\n // preserving any new action data or existing action data (in the case of\n // a revalidation interrupting an actionReload)\n // If we have partialHydration enabled, then don't update the state for the\n // initial data load since it's not a \"navigation\"\n let shouldUpdateNavigationState =\n !isUninterruptedRevalidation &&\n (!future.v7_partialHydration || !initialHydration);\n\n // When fog of war is enabled, we enter our `loading` state earlier so we\n // can discover new routes during the `loading` state. We skip this if\n // we've already run actions since we would have done our matching already.\n // If the children() function threw then, we want to proceed with the\n // partial matches it discovered.\n if (isFogOfWar) {\n if (shouldUpdateNavigationState) {\n let actionData = getUpdatedActionData(pendingActionResult);\n updateState(\n {\n navigation: loadingNavigation,\n ...(actionData !== undefined ? { actionData } : {}),\n },\n {\n flushSync,\n }\n );\n }\n\n let discoverResult = await discoverRoutes(\n matches,\n location.pathname,\n request.signal\n );\n\n if (discoverResult.type === \"aborted\") {\n return { shortCircuited: true };\n } else if (discoverResult.type === \"error\") {\n let { boundaryId, error } = handleDiscoverRouteError(\n location.pathname,\n discoverResult\n );\n return {\n matches: discoverResult.partialMatches,\n loaderData: {},\n errors: {\n [boundaryId]: error,\n },\n };\n } else if (!discoverResult.matches) {\n let { error, notFoundMatches, route } = handleNavigational404(\n location.pathname\n );\n return {\n matches: notFoundMatches,\n loaderData: {},\n errors: {\n [route.id]: error,\n },\n };\n } else {\n matches = discoverResult.matches;\n }\n }\n\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let [matchesToLoad, revalidatingFetchers] = getMatchesToLoad(\n init.history,\n state,\n matches,\n activeSubmission,\n location,\n future.v7_partialHydration && initialHydration === true,\n future.v7_skipActionErrorRevalidation,\n isRevalidationRequired,\n cancelledDeferredRoutes,\n cancelledFetcherLoads,\n deletedFetchers,\n fetchLoadMatches,\n fetchRedirectIds,\n routesToUse,\n basename,\n pendingActionResult\n );\n\n // Cancel pending deferreds for no-longer-matched routes or routes we're\n // about to reload. Note that if this is an action reload we would have\n // already cancelled all pending deferreds so this would be a no-op\n cancelActiveDeferreds(\n (routeId) =>\n !(matches && matches.some((m) => m.route.id === routeId)) ||\n (matchesToLoad && matchesToLoad.some((m) => m.route.id === routeId))\n );\n\n pendingNavigationLoadId = ++incrementingLoadId;\n\n // Short circuit if we have no loaders to run\n if (matchesToLoad.length === 0 && revalidatingFetchers.length === 0) {\n let updatedFetchers = markFetchRedirectsDone();\n completeNavigation(\n location,\n {\n matches,\n loaderData: {},\n // Commit pending error if we're short circuiting\n errors:\n pendingActionResult && isErrorResult(pendingActionResult[1])\n ? { [pendingActionResult[0]]: pendingActionResult[1].error }\n : null,\n ...getActionDataForCommit(pendingActionResult),\n ...(updatedFetchers ? { fetchers: new Map(state.fetchers) } : {}),\n },\n { flushSync }\n );\n return { shortCircuited: true };\n }\n\n if (shouldUpdateNavigationState) {\n let updates: Partial = {};\n if (!isFogOfWar) {\n // Only update navigation/actionNData if we didn't already do it above\n updates.navigation = loadingNavigation;\n let actionData = getUpdatedActionData(pendingActionResult);\n if (actionData !== undefined) {\n updates.actionData = actionData;\n }\n }\n if (revalidatingFetchers.length > 0) {\n updates.fetchers = getUpdatedRevalidatingFetchers(revalidatingFetchers);\n }\n updateState(updates, { flushSync });\n }\n\n revalidatingFetchers.forEach((rf) => {\n if (fetchControllers.has(rf.key)) {\n abortFetcher(rf.key);\n }\n if (rf.controller) {\n // Fetchers use an independent AbortController so that aborting a fetcher\n // (via deleteFetcher) does not abort the triggering navigation that\n // triggered the revalidation\n fetchControllers.set(rf.key, rf.controller);\n }\n });\n\n // Proxy navigation abort through to revalidation fetchers\n let abortPendingFetchRevalidations = () =>\n revalidatingFetchers.forEach((f) => abortFetcher(f.key));\n if (pendingNavigationController) {\n pendingNavigationController.signal.addEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n }\n\n let { loaderResults, fetcherResults } =\n await callLoadersAndMaybeResolveData(\n state.matches,\n matches,\n matchesToLoad,\n revalidatingFetchers,\n request\n );\n\n if (request.signal.aborted) {\n return { shortCircuited: true };\n }\n\n // Clean up _after_ loaders have completed. Don't clean up if we short\n // circuited because fetchControllers would have been aborted and\n // reassigned to new controllers for the next navigation\n if (pendingNavigationController) {\n pendingNavigationController.signal.removeEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n }\n revalidatingFetchers.forEach((rf) => fetchControllers.delete(rf.key));\n\n // If any loaders returned a redirect Response, start a new REPLACE navigation\n let redirect = findRedirect([...loaderResults, ...fetcherResults]);\n if (redirect) {\n if (redirect.idx >= matchesToLoad.length) {\n // If this redirect came from a fetcher make sure we mark it in\n // fetchRedirectIds so it doesn't get revalidated on the next set of\n // loader executions\n let fetcherKey =\n revalidatingFetchers[redirect.idx - matchesToLoad.length].key;\n fetchRedirectIds.add(fetcherKey);\n }\n await startRedirectNavigation(request, redirect.result, {\n replace,\n });\n return { shortCircuited: true };\n }\n\n // Process and commit output from loaders\n let { loaderData, errors } = processLoaderData(\n state,\n matches,\n matchesToLoad,\n loaderResults,\n pendingActionResult,\n revalidatingFetchers,\n fetcherResults,\n activeDeferreds\n );\n\n // Wire up subscribers to update loaderData as promises settle\n activeDeferreds.forEach((deferredData, routeId) => {\n deferredData.subscribe((aborted) => {\n // Note: No need to updateState here since the TrackedPromise on\n // loaderData is stable across resolve/reject\n // Remove this instance if we were aborted or if promises have settled\n if (aborted || deferredData.done) {\n activeDeferreds.delete(routeId);\n }\n });\n });\n\n // During partial hydration, preserve SSR errors for routes that don't re-run\n if (future.v7_partialHydration && initialHydration && state.errors) {\n Object.entries(state.errors)\n .filter(([id]) => !matchesToLoad.some((m) => m.route.id === id))\n .forEach(([routeId, error]) => {\n errors = Object.assign(errors || {}, { [routeId]: error });\n });\n }\n\n let updatedFetchers = markFetchRedirectsDone();\n let didAbortFetchLoads = abortStaleFetchLoads(pendingNavigationLoadId);\n let shouldUpdateFetchers =\n updatedFetchers || didAbortFetchLoads || revalidatingFetchers.length > 0;\n\n return {\n matches,\n loaderData,\n errors,\n ...(shouldUpdateFetchers ? { fetchers: new Map(state.fetchers) } : {}),\n };\n }\n\n function getUpdatedActionData(\n pendingActionResult: PendingActionResult | undefined\n ): Record | null | undefined {\n if (pendingActionResult && !isErrorResult(pendingActionResult[1])) {\n // This is cast to `any` currently because `RouteData`uses any and it\n // would be a breaking change to use any.\n // TODO: v7 - change `RouteData` to use `unknown` instead of `any`\n return {\n [pendingActionResult[0]]: pendingActionResult[1].data as any,\n };\n } else if (state.actionData) {\n if (Object.keys(state.actionData).length === 0) {\n return null;\n } else {\n return state.actionData;\n }\n }\n }\n\n function getUpdatedRevalidatingFetchers(\n revalidatingFetchers: RevalidatingFetcher[]\n ) {\n revalidatingFetchers.forEach((rf) => {\n let fetcher = state.fetchers.get(rf.key);\n let revalidatingFetcher = getLoadingFetcher(\n undefined,\n fetcher ? fetcher.data : undefined\n );\n state.fetchers.set(rf.key, revalidatingFetcher);\n });\n return new Map(state.fetchers);\n }\n\n // Trigger a fetcher load/submit for the given fetcher key\n function fetch(\n key: string,\n routeId: string,\n href: string | null,\n opts?: RouterFetchOptions\n ) {\n if (isServer) {\n throw new Error(\n \"router.fetch() was called during the server render, but it shouldn't be. \" +\n \"You are likely calling a useFetcher() method in the body of your component. \" +\n \"Try moving it to a useEffect or a callback.\"\n );\n }\n\n if (fetchControllers.has(key)) abortFetcher(key);\n let flushSync = (opts && opts.unstable_flushSync) === true;\n\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let normalizedPath = normalizeTo(\n state.location,\n state.matches,\n basename,\n future.v7_prependBasename,\n href,\n future.v7_relativeSplatPath,\n routeId,\n opts?.relative\n );\n let matches = matchRoutes(routesToUse, normalizedPath, basename);\n\n let fogOfWar = checkFogOfWar(matches, routesToUse, normalizedPath);\n if (fogOfWar.active && fogOfWar.matches) {\n matches = fogOfWar.matches;\n }\n\n if (!matches) {\n setFetcherError(\n key,\n routeId,\n getInternalRouterError(404, { pathname: normalizedPath }),\n { flushSync }\n );\n return;\n }\n\n let { path, submission, error } = normalizeNavigateOptions(\n future.v7_normalizeFormMethod,\n true,\n normalizedPath,\n opts\n );\n\n if (error) {\n setFetcherError(key, routeId, error, { flushSync });\n return;\n }\n\n let match = getTargetMatch(matches, path);\n\n pendingPreventScrollReset = (opts && opts.preventScrollReset) === true;\n\n if (submission && isMutationMethod(submission.formMethod)) {\n handleFetcherAction(\n key,\n routeId,\n path,\n match,\n matches,\n fogOfWar.active,\n flushSync,\n submission\n );\n return;\n }\n\n // Store off the match so we can call it's shouldRevalidate on subsequent\n // revalidations\n fetchLoadMatches.set(key, { routeId, path });\n handleFetcherLoader(\n key,\n routeId,\n path,\n match,\n matches,\n fogOfWar.active,\n flushSync,\n submission\n );\n }\n\n // Call the action for the matched fetcher.submit(), and then handle redirects,\n // errors, and revalidation\n async function handleFetcherAction(\n key: string,\n routeId: string,\n path: string,\n match: AgnosticDataRouteMatch,\n requestMatches: AgnosticDataRouteMatch[],\n isFogOfWar: boolean,\n flushSync: boolean,\n submission: Submission\n ) {\n interruptActiveLoads();\n fetchLoadMatches.delete(key);\n\n function detectAndHandle405Error(m: AgnosticDataRouteMatch) {\n if (!m.route.action && !m.route.lazy) {\n let error = getInternalRouterError(405, {\n method: submission.formMethod,\n pathname: path,\n routeId: routeId,\n });\n setFetcherError(key, routeId, error, { flushSync });\n return true;\n }\n return false;\n }\n\n if (!isFogOfWar && detectAndHandle405Error(match)) {\n return;\n }\n\n // Put this fetcher into it's submitting state\n let existingFetcher = state.fetchers.get(key);\n updateFetcherState(key, getSubmittingFetcher(submission, existingFetcher), {\n flushSync,\n });\n\n let abortController = new AbortController();\n let fetchRequest = createClientSideRequest(\n init.history,\n path,\n abortController.signal,\n submission\n );\n\n if (isFogOfWar) {\n let discoverResult = await discoverRoutes(\n requestMatches,\n path,\n fetchRequest.signal\n );\n\n if (discoverResult.type === \"aborted\") {\n return;\n } else if (discoverResult.type === \"error\") {\n let { error } = handleDiscoverRouteError(path, discoverResult);\n setFetcherError(key, routeId, error, { flushSync });\n return;\n } else if (!discoverResult.matches) {\n setFetcherError(\n key,\n routeId,\n getInternalRouterError(404, { pathname: path }),\n { flushSync }\n );\n return;\n } else {\n requestMatches = discoverResult.matches;\n match = getTargetMatch(requestMatches, path);\n\n if (detectAndHandle405Error(match)) {\n return;\n }\n }\n }\n\n // Call the action for the fetcher\n fetchControllers.set(key, abortController);\n\n let originatingLoadId = incrementingLoadId;\n let actionResults = await callDataStrategy(\n \"action\",\n fetchRequest,\n [match],\n requestMatches\n );\n let actionResult = actionResults[0];\n\n if (fetchRequest.signal.aborted) {\n // We can delete this so long as we weren't aborted by our own fetcher\n // re-submit which would have put _new_ controller is in fetchControllers\n if (fetchControllers.get(key) === abortController) {\n fetchControllers.delete(key);\n }\n return;\n }\n\n // When using v7_fetcherPersist, we don't want errors bubbling up to the UI\n // or redirects processed for unmounted fetchers so we just revert them to\n // idle\n if (future.v7_fetcherPersist && deletedFetchers.has(key)) {\n if (isRedirectResult(actionResult) || isErrorResult(actionResult)) {\n updateFetcherState(key, getDoneFetcher(undefined));\n return;\n }\n // Let SuccessResult's fall through for revalidation\n } else {\n if (isRedirectResult(actionResult)) {\n fetchControllers.delete(key);\n if (pendingNavigationLoadId > originatingLoadId) {\n // A new navigation was kicked off after our action started, so that\n // should take precedence over this redirect navigation. We already\n // set isRevalidationRequired so all loaders for the new route should\n // fire unless opted out via shouldRevalidate\n updateFetcherState(key, getDoneFetcher(undefined));\n return;\n } else {\n fetchRedirectIds.add(key);\n updateFetcherState(key, getLoadingFetcher(submission));\n return startRedirectNavigation(fetchRequest, actionResult, {\n fetcherSubmission: submission,\n });\n }\n }\n\n // Process any non-redirect errors thrown\n if (isErrorResult(actionResult)) {\n setFetcherError(key, routeId, actionResult.error);\n return;\n }\n }\n\n if (isDeferredResult(actionResult)) {\n throw getInternalRouterError(400, { type: \"defer-action\" });\n }\n\n // Start the data load for current matches, or the next location if we're\n // in the middle of a navigation\n let nextLocation = state.navigation.location || state.location;\n let revalidationRequest = createClientSideRequest(\n init.history,\n nextLocation,\n abortController.signal\n );\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let matches =\n state.navigation.state !== \"idle\"\n ? matchRoutes(routesToUse, state.navigation.location, basename)\n : state.matches;\n\n invariant(matches, \"Didn't find any matches after fetcher action\");\n\n let loadId = ++incrementingLoadId;\n fetchReloadIds.set(key, loadId);\n\n let loadFetcher = getLoadingFetcher(submission, actionResult.data);\n state.fetchers.set(key, loadFetcher);\n\n let [matchesToLoad, revalidatingFetchers] = getMatchesToLoad(\n init.history,\n state,\n matches,\n submission,\n nextLocation,\n false,\n future.v7_skipActionErrorRevalidation,\n isRevalidationRequired,\n cancelledDeferredRoutes,\n cancelledFetcherLoads,\n deletedFetchers,\n fetchLoadMatches,\n fetchRedirectIds,\n routesToUse,\n basename,\n [match.route.id, actionResult]\n );\n\n // Put all revalidating fetchers into the loading state, except for the\n // current fetcher which we want to keep in it's current loading state which\n // contains it's action submission info + action data\n revalidatingFetchers\n .filter((rf) => rf.key !== key)\n .forEach((rf) => {\n let staleKey = rf.key;\n let existingFetcher = state.fetchers.get(staleKey);\n let revalidatingFetcher = getLoadingFetcher(\n undefined,\n existingFetcher ? existingFetcher.data : undefined\n );\n state.fetchers.set(staleKey, revalidatingFetcher);\n if (fetchControllers.has(staleKey)) {\n abortFetcher(staleKey);\n }\n if (rf.controller) {\n fetchControllers.set(staleKey, rf.controller);\n }\n });\n\n updateState({ fetchers: new Map(state.fetchers) });\n\n let abortPendingFetchRevalidations = () =>\n revalidatingFetchers.forEach((rf) => abortFetcher(rf.key));\n\n abortController.signal.addEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n\n let { loaderResults, fetcherResults } =\n await callLoadersAndMaybeResolveData(\n state.matches,\n matches,\n matchesToLoad,\n revalidatingFetchers,\n revalidationRequest\n );\n\n if (abortController.signal.aborted) {\n return;\n }\n\n abortController.signal.removeEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n\n fetchReloadIds.delete(key);\n fetchControllers.delete(key);\n revalidatingFetchers.forEach((r) => fetchControllers.delete(r.key));\n\n let redirect = findRedirect([...loaderResults, ...fetcherResults]);\n if (redirect) {\n if (redirect.idx >= matchesToLoad.length) {\n // If this redirect came from a fetcher make sure we mark it in\n // fetchRedirectIds so it doesn't get revalidated on the next set of\n // loader executions\n let fetcherKey =\n revalidatingFetchers[redirect.idx - matchesToLoad.length].key;\n fetchRedirectIds.add(fetcherKey);\n }\n return startRedirectNavigation(revalidationRequest, redirect.result);\n }\n\n // Process and commit output from loaders\n let { loaderData, errors } = processLoaderData(\n state,\n state.matches,\n matchesToLoad,\n loaderResults,\n undefined,\n revalidatingFetchers,\n fetcherResults,\n activeDeferreds\n );\n\n // Since we let revalidations complete even if the submitting fetcher was\n // deleted, only put it back to idle if it hasn't been deleted\n if (state.fetchers.has(key)) {\n let doneFetcher = getDoneFetcher(actionResult.data);\n state.fetchers.set(key, doneFetcher);\n }\n\n abortStaleFetchLoads(loadId);\n\n // If we are currently in a navigation loading state and this fetcher is\n // more recent than the navigation, we want the newer data so abort the\n // navigation and complete it with the fetcher data\n if (\n state.navigation.state === \"loading\" &&\n loadId > pendingNavigationLoadId\n ) {\n invariant(pendingAction, \"Expected pending action\");\n pendingNavigationController && pendingNavigationController.abort();\n\n completeNavigation(state.navigation.location, {\n matches,\n loaderData,\n errors,\n fetchers: new Map(state.fetchers),\n });\n } else {\n // otherwise just update with the fetcher data, preserving any existing\n // loaderData for loaders that did not need to reload. We have to\n // manually merge here since we aren't going through completeNavigation\n updateState({\n errors,\n loaderData: mergeLoaderData(\n state.loaderData,\n loaderData,\n matches,\n errors\n ),\n fetchers: new Map(state.fetchers),\n });\n isRevalidationRequired = false;\n }\n }\n\n // Call the matched loader for fetcher.load(), handling redirects, errors, etc.\n async function handleFetcherLoader(\n key: string,\n routeId: string,\n path: string,\n match: AgnosticDataRouteMatch,\n matches: AgnosticDataRouteMatch[],\n isFogOfWar: boolean,\n flushSync: boolean,\n submission?: Submission\n ) {\n let existingFetcher = state.fetchers.get(key);\n updateFetcherState(\n key,\n getLoadingFetcher(\n submission,\n existingFetcher ? existingFetcher.data : undefined\n ),\n { flushSync }\n );\n\n let abortController = new AbortController();\n let fetchRequest = createClientSideRequest(\n init.history,\n path,\n abortController.signal\n );\n\n if (isFogOfWar) {\n let discoverResult = await discoverRoutes(\n matches,\n path,\n fetchRequest.signal\n );\n\n if (discoverResult.type === \"aborted\") {\n return;\n } else if (discoverResult.type === \"error\") {\n let { error } = handleDiscoverRouteError(path, discoverResult);\n setFetcherError(key, routeId, error, { flushSync });\n return;\n } else if (!discoverResult.matches) {\n setFetcherError(\n key,\n routeId,\n getInternalRouterError(404, { pathname: path }),\n { flushSync }\n );\n return;\n } else {\n matches = discoverResult.matches;\n match = getTargetMatch(matches, path);\n }\n }\n\n // Call the loader for this fetcher route match\n fetchControllers.set(key, abortController);\n\n let originatingLoadId = incrementingLoadId;\n let results = await callDataStrategy(\n \"loader\",\n fetchRequest,\n [match],\n matches\n );\n let result = results[0];\n\n // Deferred isn't supported for fetcher loads, await everything and treat it\n // as a normal load. resolveDeferredData will return undefined if this\n // fetcher gets aborted, so we just leave result untouched and short circuit\n // below if that happens\n if (isDeferredResult(result)) {\n result =\n (await resolveDeferredData(result, fetchRequest.signal, true)) ||\n result;\n }\n\n // We can delete this so long as we weren't aborted by our our own fetcher\n // re-load which would have put _new_ controller is in fetchControllers\n if (fetchControllers.get(key) === abortController) {\n fetchControllers.delete(key);\n }\n\n if (fetchRequest.signal.aborted) {\n return;\n }\n\n // We don't want errors bubbling up or redirects followed for unmounted\n // fetchers, so short circuit here if it was removed from the UI\n if (deletedFetchers.has(key)) {\n updateFetcherState(key, getDoneFetcher(undefined));\n return;\n }\n\n // If the loader threw a redirect Response, start a new REPLACE navigation\n if (isRedirectResult(result)) {\n if (pendingNavigationLoadId > originatingLoadId) {\n // A new navigation was kicked off after our loader started, so that\n // should take precedence over this redirect navigation\n updateFetcherState(key, getDoneFetcher(undefined));\n return;\n } else {\n fetchRedirectIds.add(key);\n await startRedirectNavigation(fetchRequest, result);\n return;\n }\n }\n\n // Process any non-redirect errors thrown\n if (isErrorResult(result)) {\n setFetcherError(key, routeId, result.error);\n return;\n }\n\n invariant(!isDeferredResult(result), \"Unhandled fetcher deferred data\");\n\n // Put the fetcher back into an idle state\n updateFetcherState(key, getDoneFetcher(result.data));\n }\n\n /**\n * Utility function to handle redirects returned from an action or loader.\n * Normally, a redirect \"replaces\" the navigation that triggered it. So, for\n * example:\n *\n * - user is on /a\n * - user clicks a link to /b\n * - loader for /b redirects to /c\n *\n * In a non-JS app the browser would track the in-flight navigation to /b and\n * then replace it with /c when it encountered the redirect response. In\n * the end it would only ever update the URL bar with /c.\n *\n * In client-side routing using pushState/replaceState, we aim to emulate\n * this behavior and we also do not update history until the end of the\n * navigation (including processed redirects). This means that we never\n * actually touch history until we've processed redirects, so we just use\n * the history action from the original navigation (PUSH or REPLACE).\n */\n async function startRedirectNavigation(\n request: Request,\n redirect: RedirectResult,\n {\n submission,\n fetcherSubmission,\n replace,\n }: {\n submission?: Submission;\n fetcherSubmission?: Submission;\n replace?: boolean;\n } = {}\n ) {\n if (redirect.response.headers.has(\"X-Remix-Revalidate\")) {\n isRevalidationRequired = true;\n }\n\n let location = redirect.response.headers.get(\"Location\");\n invariant(location, \"Expected a Location header on the redirect Response\");\n location = normalizeRedirectLocation(\n location,\n new URL(request.url),\n basename\n );\n let redirectLocation = createLocation(state.location, location, {\n _isRedirect: true,\n });\n\n if (isBrowser) {\n let isDocumentReload = false;\n\n if (redirect.response.headers.has(\"X-Remix-Reload-Document\")) {\n // Hard reload if the response contained X-Remix-Reload-Document\n isDocumentReload = true;\n } else if (ABSOLUTE_URL_REGEX.test(location)) {\n const url = init.history.createURL(location);\n isDocumentReload =\n // Hard reload if it's an absolute URL to a new origin\n url.origin !== routerWindow.location.origin ||\n // Hard reload if it's an absolute URL that does not match our basename\n stripBasename(url.pathname, basename) == null;\n }\n\n if (isDocumentReload) {\n if (replace) {\n routerWindow.location.replace(location);\n } else {\n routerWindow.location.assign(location);\n }\n return;\n }\n }\n\n // There's no need to abort on redirects, since we don't detect the\n // redirect until the action/loaders have settled\n pendingNavigationController = null;\n\n let redirectHistoryAction =\n replace === true ? HistoryAction.Replace : HistoryAction.Push;\n\n // Use the incoming submission if provided, fallback on the active one in\n // state.navigation\n let { formMethod, formAction, formEncType } = state.navigation;\n if (\n !submission &&\n !fetcherSubmission &&\n formMethod &&\n formAction &&\n formEncType\n ) {\n submission = getSubmissionFromNavigation(state.navigation);\n }\n\n // If this was a 307/308 submission we want to preserve the HTTP method and\n // re-submit the GET/POST/PUT/PATCH/DELETE as a submission navigation to the\n // redirected location\n let activeSubmission = submission || fetcherSubmission;\n if (\n redirectPreserveMethodStatusCodes.has(redirect.response.status) &&\n activeSubmission &&\n isMutationMethod(activeSubmission.formMethod)\n ) {\n await startNavigation(redirectHistoryAction, redirectLocation, {\n submission: {\n ...activeSubmission,\n formAction: location,\n },\n // Preserve this flag across redirects\n preventScrollReset: pendingPreventScrollReset,\n });\n } else {\n // If we have a navigation submission, we will preserve it through the\n // redirect navigation\n let overrideNavigation = getLoadingNavigation(\n redirectLocation,\n submission\n );\n await startNavigation(redirectHistoryAction, redirectLocation, {\n overrideNavigation,\n // Send fetcher submissions through for shouldRevalidate\n fetcherSubmission,\n // Preserve this flag across redirects\n preventScrollReset: pendingPreventScrollReset,\n });\n }\n }\n\n // Utility wrapper for calling dataStrategy client-side without having to\n // pass around the manifest, mapRouteProperties, etc.\n async function callDataStrategy(\n type: \"loader\" | \"action\",\n request: Request,\n matchesToLoad: AgnosticDataRouteMatch[],\n matches: AgnosticDataRouteMatch[]\n ): Promise {\n try {\n let results = await callDataStrategyImpl(\n dataStrategyImpl,\n type,\n request,\n matchesToLoad,\n matches,\n manifest,\n mapRouteProperties\n );\n\n return await Promise.all(\n results.map((result, i) => {\n if (isRedirectHandlerResult(result)) {\n let response = result.result as Response;\n return {\n type: ResultType.redirect,\n response: normalizeRelativeRoutingRedirectResponse(\n response,\n request,\n matchesToLoad[i].route.id,\n matches,\n basename,\n future.v7_relativeSplatPath\n ),\n };\n }\n\n return convertHandlerResultToDataResult(result);\n })\n );\n } catch (e) {\n // If the outer dataStrategy method throws, just return the error for all\n // matches - and it'll naturally bubble to the root\n return matchesToLoad.map(() => ({\n type: ResultType.error,\n error: e,\n }));\n }\n }\n\n async function callLoadersAndMaybeResolveData(\n currentMatches: AgnosticDataRouteMatch[],\n matches: AgnosticDataRouteMatch[],\n matchesToLoad: AgnosticDataRouteMatch[],\n fetchersToLoad: RevalidatingFetcher[],\n request: Request\n ) {\n let [loaderResults, ...fetcherResults] = await Promise.all([\n matchesToLoad.length\n ? callDataStrategy(\"loader\", request, matchesToLoad, matches)\n : [],\n ...fetchersToLoad.map((f) => {\n if (f.matches && f.match && f.controller) {\n let fetcherRequest = createClientSideRequest(\n init.history,\n f.path,\n f.controller.signal\n );\n return callDataStrategy(\n \"loader\",\n fetcherRequest,\n [f.match],\n f.matches\n ).then((r) => r[0]);\n } else {\n return Promise.resolve({\n type: ResultType.error,\n error: getInternalRouterError(404, {\n pathname: f.path,\n }),\n });\n }\n }),\n ]);\n\n await Promise.all([\n resolveDeferredResults(\n currentMatches,\n matchesToLoad,\n loaderResults,\n loaderResults.map(() => request.signal),\n false,\n state.loaderData\n ),\n resolveDeferredResults(\n currentMatches,\n fetchersToLoad.map((f) => f.match),\n fetcherResults,\n fetchersToLoad.map((f) => (f.controller ? f.controller.signal : null)),\n true\n ),\n ]);\n\n return {\n loaderResults,\n fetcherResults,\n };\n }\n\n function interruptActiveLoads() {\n // Every interruption triggers a revalidation\n isRevalidationRequired = true;\n\n // Cancel pending route-level deferreds and mark cancelled routes for\n // revalidation\n cancelledDeferredRoutes.push(...cancelActiveDeferreds());\n\n // Abort in-flight fetcher loads\n fetchLoadMatches.forEach((_, key) => {\n if (fetchControllers.has(key)) {\n cancelledFetcherLoads.push(key);\n abortFetcher(key);\n }\n });\n }\n\n function updateFetcherState(\n key: string,\n fetcher: Fetcher,\n opts: { flushSync?: boolean } = {}\n ) {\n state.fetchers.set(key, fetcher);\n updateState(\n { fetchers: new Map(state.fetchers) },\n { flushSync: (opts && opts.flushSync) === true }\n );\n }\n\n function setFetcherError(\n key: string,\n routeId: string,\n error: any,\n opts: { flushSync?: boolean } = {}\n ) {\n let boundaryMatch = findNearestBoundary(state.matches, routeId);\n deleteFetcher(key);\n updateState(\n {\n errors: {\n [boundaryMatch.route.id]: error,\n },\n fetchers: new Map(state.fetchers),\n },\n { flushSync: (opts && opts.flushSync) === true }\n );\n }\n\n function getFetcher(key: string): Fetcher {\n if (future.v7_fetcherPersist) {\n activeFetchers.set(key, (activeFetchers.get(key) || 0) + 1);\n // If this fetcher was previously marked for deletion, unmark it since we\n // have a new instance\n if (deletedFetchers.has(key)) {\n deletedFetchers.delete(key);\n }\n }\n return state.fetchers.get(key) || IDLE_FETCHER;\n }\n\n function deleteFetcher(key: string): void {\n let fetcher = state.fetchers.get(key);\n // Don't abort the controller if this is a deletion of a fetcher.submit()\n // in it's loading phase since - we don't want to abort the corresponding\n // revalidation and want them to complete and land\n if (\n fetchControllers.has(key) &&\n !(fetcher && fetcher.state === \"loading\" && fetchReloadIds.has(key))\n ) {\n abortFetcher(key);\n }\n fetchLoadMatches.delete(key);\n fetchReloadIds.delete(key);\n fetchRedirectIds.delete(key);\n deletedFetchers.delete(key);\n state.fetchers.delete(key);\n }\n\n function deleteFetcherAndUpdateState(key: string): void {\n if (future.v7_fetcherPersist) {\n let count = (activeFetchers.get(key) || 0) - 1;\n if (count <= 0) {\n activeFetchers.delete(key);\n deletedFetchers.add(key);\n } else {\n activeFetchers.set(key, count);\n }\n } else {\n deleteFetcher(key);\n }\n updateState({ fetchers: new Map(state.fetchers) });\n }\n\n function abortFetcher(key: string) {\n let controller = fetchControllers.get(key);\n invariant(controller, `Expected fetch controller: ${key}`);\n controller.abort();\n fetchControllers.delete(key);\n }\n\n function markFetchersDone(keys: string[]) {\n for (let key of keys) {\n let fetcher = getFetcher(key);\n let doneFetcher = getDoneFetcher(fetcher.data);\n state.fetchers.set(key, doneFetcher);\n }\n }\n\n function markFetchRedirectsDone(): boolean {\n let doneKeys = [];\n let updatedFetchers = false;\n for (let key of fetchRedirectIds) {\n let fetcher = state.fetchers.get(key);\n invariant(fetcher, `Expected fetcher: ${key}`);\n if (fetcher.state === \"loading\") {\n fetchRedirectIds.delete(key);\n doneKeys.push(key);\n updatedFetchers = true;\n }\n }\n markFetchersDone(doneKeys);\n return updatedFetchers;\n }\n\n function abortStaleFetchLoads(landedId: number): boolean {\n let yeetedKeys = [];\n for (let [key, id] of fetchReloadIds) {\n if (id < landedId) {\n let fetcher = state.fetchers.get(key);\n invariant(fetcher, `Expected fetcher: ${key}`);\n if (fetcher.state === \"loading\") {\n abortFetcher(key);\n fetchReloadIds.delete(key);\n yeetedKeys.push(key);\n }\n }\n }\n markFetchersDone(yeetedKeys);\n return yeetedKeys.length > 0;\n }\n\n function getBlocker(key: string, fn: BlockerFunction) {\n let blocker: Blocker = state.blockers.get(key) || IDLE_BLOCKER;\n\n if (blockerFunctions.get(key) !== fn) {\n blockerFunctions.set(key, fn);\n }\n\n return blocker;\n }\n\n function deleteBlocker(key: string) {\n state.blockers.delete(key);\n blockerFunctions.delete(key);\n }\n\n // Utility function to update blockers, ensuring valid state transitions\n function updateBlocker(key: string, newBlocker: Blocker) {\n let blocker = state.blockers.get(key) || IDLE_BLOCKER;\n\n // Poor mans state machine :)\n // https://mermaid.live/edit#pako:eNqVkc9OwzAMxl8l8nnjAYrEtDIOHEBIgwvKJTReGy3_lDpIqO27k6awMG0XcrLlnz87nwdonESogKXXBuE79rq75XZO3-yHds0RJVuv70YrPlUrCEe2HfrORS3rubqZfuhtpg5C9wk5tZ4VKcRUq88q9Z8RS0-48cE1iHJkL0ugbHuFLus9L6spZy8nX9MP2CNdomVaposqu3fGayT8T8-jJQwhepo_UtpgBQaDEUom04dZhAN1aJBDlUKJBxE1ceB2Smj0Mln-IBW5AFU2dwUiktt_2Qaq2dBfaKdEup85UV7Yd-dKjlnkabl2Pvr0DTkTreM\n invariant(\n (blocker.state === \"unblocked\" && newBlocker.state === \"blocked\") ||\n (blocker.state === \"blocked\" && newBlocker.state === \"blocked\") ||\n (blocker.state === \"blocked\" && newBlocker.state === \"proceeding\") ||\n (blocker.state === \"blocked\" && newBlocker.state === \"unblocked\") ||\n (blocker.state === \"proceeding\" && newBlocker.state === \"unblocked\"),\n `Invalid blocker state transition: ${blocker.state} -> ${newBlocker.state}`\n );\n\n let blockers = new Map(state.blockers);\n blockers.set(key, newBlocker);\n updateState({ blockers });\n }\n\n function shouldBlockNavigation({\n currentLocation,\n nextLocation,\n historyAction,\n }: {\n currentLocation: Location;\n nextLocation: Location;\n historyAction: HistoryAction;\n }): string | undefined {\n if (blockerFunctions.size === 0) {\n return;\n }\n\n // We ony support a single active blocker at the moment since we don't have\n // any compelling use cases for multi-blocker yet\n if (blockerFunctions.size > 1) {\n warning(false, \"A router only supports one blocker at a time\");\n }\n\n let entries = Array.from(blockerFunctions.entries());\n let [blockerKey, blockerFunction] = entries[entries.length - 1];\n let blocker = state.blockers.get(blockerKey);\n\n if (blocker && blocker.state === \"proceeding\") {\n // If the blocker is currently proceeding, we don't need to re-check\n // it and can let this navigation continue\n return;\n }\n\n // At this point, we know we're unblocked/blocked so we need to check the\n // user-provided blocker function\n if (blockerFunction({ currentLocation, nextLocation, historyAction })) {\n return blockerKey;\n }\n }\n\n function handleNavigational404(pathname: string) {\n let error = getInternalRouterError(404, { pathname });\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let { matches, route } = getShortCircuitMatches(routesToUse);\n\n // Cancel all pending deferred on 404s since we don't keep any routes\n cancelActiveDeferreds();\n\n return { notFoundMatches: matches, route, error };\n }\n\n function handleDiscoverRouteError(\n pathname: string,\n discoverResult: DiscoverRoutesErrorResult\n ) {\n return {\n boundaryId: findNearestBoundary(discoverResult.partialMatches).route.id,\n error: getInternalRouterError(400, {\n type: \"route-discovery\",\n pathname,\n message:\n discoverResult.error != null && \"message\" in discoverResult.error\n ? discoverResult.error\n : String(discoverResult.error),\n }),\n };\n }\n\n function cancelActiveDeferreds(\n predicate?: (routeId: string) => boolean\n ): string[] {\n let cancelledRouteIds: string[] = [];\n activeDeferreds.forEach((dfd, routeId) => {\n if (!predicate || predicate(routeId)) {\n // Cancel the deferred - but do not remove from activeDeferreds here -\n // we rely on the subscribers to do that so our tests can assert proper\n // cleanup via _internalActiveDeferreds\n dfd.cancel();\n cancelledRouteIds.push(routeId);\n activeDeferreds.delete(routeId);\n }\n });\n return cancelledRouteIds;\n }\n\n // Opt in to capturing and reporting scroll positions during navigations,\n // used by the component\n function enableScrollRestoration(\n positions: Record,\n getPosition: GetScrollPositionFunction,\n getKey?: GetScrollRestorationKeyFunction\n ) {\n savedScrollPositions = positions;\n getScrollPosition = getPosition;\n getScrollRestorationKey = getKey || null;\n\n // Perform initial hydration scroll restoration, since we miss the boat on\n // the initial updateState() because we've not yet rendered \n // and therefore have no savedScrollPositions available\n if (!initialScrollRestored && state.navigation === IDLE_NAVIGATION) {\n initialScrollRestored = true;\n let y = getSavedScrollPosition(state.location, state.matches);\n if (y != null) {\n updateState({ restoreScrollPosition: y });\n }\n }\n\n return () => {\n savedScrollPositions = null;\n getScrollPosition = null;\n getScrollRestorationKey = null;\n };\n }\n\n function getScrollKey(location: Location, matches: AgnosticDataRouteMatch[]) {\n if (getScrollRestorationKey) {\n let key = getScrollRestorationKey(\n location,\n matches.map((m) => convertRouteMatchToUiMatch(m, state.loaderData))\n );\n return key || location.key;\n }\n return location.key;\n }\n\n function saveScrollPosition(\n location: Location,\n matches: AgnosticDataRouteMatch[]\n ): void {\n if (savedScrollPositions && getScrollPosition) {\n let key = getScrollKey(location, matches);\n savedScrollPositions[key] = getScrollPosition();\n }\n }\n\n function getSavedScrollPosition(\n location: Location,\n matches: AgnosticDataRouteMatch[]\n ): number | null {\n if (savedScrollPositions) {\n let key = getScrollKey(location, matches);\n let y = savedScrollPositions[key];\n if (typeof y === \"number\") {\n return y;\n }\n }\n return null;\n }\n\n function checkFogOfWar(\n matches: AgnosticDataRouteMatch[] | null,\n routesToUse: AgnosticDataRouteObject[],\n pathname: string\n ): { active: boolean; matches: AgnosticDataRouteMatch[] | null } {\n if (patchRoutesOnMissImpl) {\n if (!matches) {\n let fogMatches = matchRoutesImpl(\n routesToUse,\n pathname,\n basename,\n true\n );\n\n return { active: true, matches: fogMatches || [] };\n } else {\n let leafRoute = matches[matches.length - 1].route;\n if (\n leafRoute.path &&\n (leafRoute.path === \"*\" || leafRoute.path.endsWith(\"/*\"))\n ) {\n // If we matched a splat, it might only be because we haven't yet fetched\n // the children that would match with a higher score, so let's fetch\n // around and find out\n let partialMatches = matchRoutesImpl(\n routesToUse,\n pathname,\n basename,\n true\n );\n return { active: true, matches: partialMatches };\n }\n }\n }\n\n return { active: false, matches: null };\n }\n\n type DiscoverRoutesSuccessResult = {\n type: \"success\";\n matches: AgnosticDataRouteMatch[] | null;\n };\n type DiscoverRoutesErrorResult = {\n type: \"error\";\n error: any;\n partialMatches: AgnosticDataRouteMatch[];\n };\n type DiscoverRoutesAbortedResult = { type: \"aborted\" };\n type DiscoverRoutesResult =\n | DiscoverRoutesSuccessResult\n | DiscoverRoutesErrorResult\n | DiscoverRoutesAbortedResult;\n\n async function discoverRoutes(\n matches: AgnosticDataRouteMatch[],\n pathname: string,\n signal: AbortSignal\n ): Promise {\n let partialMatches: AgnosticDataRouteMatch[] | null = matches;\n let route =\n partialMatches.length > 0\n ? partialMatches[partialMatches.length - 1].route\n : null;\n while (true) {\n let isNonHMR = inFlightDataRoutes == null;\n let routesToUse = inFlightDataRoutes || dataRoutes;\n try {\n await loadLazyRouteChildren(\n patchRoutesOnMissImpl!,\n pathname,\n partialMatches,\n routesToUse,\n manifest,\n mapRouteProperties,\n pendingPatchRoutes,\n signal\n );\n } catch (e) {\n return { type: \"error\", error: e, partialMatches };\n } finally {\n // If we are not in the middle of an HMR revalidation and we changed the\n // routes, provide a new identity so when we `updateState` at the end of\n // this navigation/fetch `router.routes` will be a new identity and\n // trigger a re-run of memoized `router.routes` dependencies.\n // HMR will already update the identity and reflow when it lands\n // `inFlightDataRoutes` in `completeNavigation`\n if (isNonHMR) {\n dataRoutes = [...dataRoutes];\n }\n }\n\n if (signal.aborted) {\n return { type: \"aborted\" };\n }\n\n let newMatches = matchRoutes(routesToUse, pathname, basename);\n let matchedSplat = false;\n if (newMatches) {\n let leafRoute = newMatches[newMatches.length - 1].route;\n\n if (leafRoute.index) {\n // If we found an index route, we can stop\n return { type: \"success\", matches: newMatches };\n }\n\n if (leafRoute.path && leafRoute.path.length > 0) {\n if (leafRoute.path === \"*\") {\n // If we found a splat route, we can't be sure there's not a\n // higher-scoring route down some partial matches trail so we need\n // to check that out\n matchedSplat = true;\n } else {\n // If we found a non-splat route, we can stop\n return { type: \"success\", matches: newMatches };\n }\n }\n }\n\n let newPartialMatches = matchRoutesImpl(\n routesToUse,\n pathname,\n basename,\n true\n );\n\n // If we are no longer partially matching anything, this was either a\n // legit splat match above, or it's a 404. Also avoid loops if the\n // second pass results in the same partial matches\n if (\n !newPartialMatches ||\n partialMatches.map((m) => m.route.id).join(\"-\") ===\n newPartialMatches.map((m) => m.route.id).join(\"-\")\n ) {\n return { type: \"success\", matches: matchedSplat ? newMatches : null };\n }\n\n partialMatches = newPartialMatches;\n route = partialMatches[partialMatches.length - 1].route;\n if (route.path === \"*\") {\n // The splat is still our most accurate partial, so run with it\n return { type: \"success\", matches: partialMatches };\n }\n }\n }\n\n function _internalSetRoutes(newRoutes: AgnosticDataRouteObject[]) {\n manifest = {};\n inFlightDataRoutes = convertRoutesToDataRoutes(\n newRoutes,\n mapRouteProperties,\n undefined,\n manifest\n );\n }\n\n function patchRoutes(\n routeId: string | null,\n children: AgnosticRouteObject[]\n ): void {\n let isNonHMR = inFlightDataRoutes == null;\n let routesToUse = inFlightDataRoutes || dataRoutes;\n patchRoutesImpl(\n routeId,\n children,\n routesToUse,\n manifest,\n mapRouteProperties\n );\n\n // If we are not in the middle of an HMR revalidation and we changed the\n // routes, provide a new identity and trigger a reflow via `updateState`\n // to re-run memoized `router.routes` dependencies.\n // HMR will already update the identity and reflow when it lands\n // `inFlightDataRoutes` in `completeNavigation`\n if (isNonHMR) {\n dataRoutes = [...dataRoutes];\n updateState({});\n }\n }\n\n router = {\n get basename() {\n return basename;\n },\n get future() {\n return future;\n },\n get state() {\n return state;\n },\n get routes() {\n return dataRoutes;\n },\n get window() {\n return routerWindow;\n },\n initialize,\n subscribe,\n enableScrollRestoration,\n navigate,\n fetch,\n revalidate,\n // Passthrough to history-aware createHref used by useHref so we get proper\n // hash-aware URLs in DOM paths\n createHref: (to: To) => init.history.createHref(to),\n encodeLocation: (to: To) => init.history.encodeLocation(to),\n getFetcher,\n deleteFetcher: deleteFetcherAndUpdateState,\n dispose,\n getBlocker,\n deleteBlocker,\n patchRoutes,\n _internalFetchControllers: fetchControllers,\n _internalActiveDeferreds: activeDeferreds,\n // TODO: Remove setRoutes, it's temporary to avoid dealing with\n // updating the tree while validating the update algorithm.\n _internalSetRoutes,\n };\n\n return router;\n}\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region createStaticHandler\n////////////////////////////////////////////////////////////////////////////////\n\nexport const UNSAFE_DEFERRED_SYMBOL = Symbol(\"deferred\");\n\n/**\n * Future flags to toggle new feature behavior\n */\nexport interface StaticHandlerFutureConfig {\n v7_relativeSplatPath: boolean;\n v7_throwAbortReason: boolean;\n}\n\nexport interface CreateStaticHandlerOptions {\n basename?: string;\n /**\n * @deprecated Use `mapRouteProperties` instead\n */\n detectErrorBoundary?: DetectErrorBoundaryFunction;\n mapRouteProperties?: MapRoutePropertiesFunction;\n future?: Partial;\n}\n\nexport function createStaticHandler(\n routes: AgnosticRouteObject[],\n opts?: CreateStaticHandlerOptions\n): StaticHandler {\n invariant(\n routes.length > 0,\n \"You must provide a non-empty routes array to createStaticHandler\"\n );\n\n let manifest: RouteManifest = {};\n let basename = (opts ? opts.basename : null) || \"/\";\n let mapRouteProperties: MapRoutePropertiesFunction;\n if (opts?.mapRouteProperties) {\n mapRouteProperties = opts.mapRouteProperties;\n } else if (opts?.detectErrorBoundary) {\n // If they are still using the deprecated version, wrap it with the new API\n let detectErrorBoundary = opts.detectErrorBoundary;\n mapRouteProperties = (route) => ({\n hasErrorBoundary: detectErrorBoundary(route),\n });\n } else {\n mapRouteProperties = defaultMapRouteProperties;\n }\n // Config driven behavior flags\n let future: StaticHandlerFutureConfig = {\n v7_relativeSplatPath: false,\n v7_throwAbortReason: false,\n ...(opts ? opts.future : null),\n };\n\n let dataRoutes = convertRoutesToDataRoutes(\n routes,\n mapRouteProperties,\n undefined,\n manifest\n );\n\n /**\n * The query() method is intended for document requests, in which we want to\n * call an optional action and potentially multiple loaders for all nested\n * routes. It returns a StaticHandlerContext object, which is very similar\n * to the router state (location, loaderData, actionData, errors, etc.) and\n * also adds SSR-specific information such as the statusCode and headers\n * from action/loaders Responses.\n *\n * It _should_ never throw and should report all errors through the\n * returned context.errors object, properly associating errors to their error\n * boundary. Additionally, it tracks _deepestRenderedBoundaryId which can be\n * used to emulate React error boundaries during SSr by performing a second\n * pass only down to the boundaryId.\n *\n * The one exception where we do not return a StaticHandlerContext is when a\n * redirect response is returned or thrown from any action/loader. We\n * propagate that out and return the raw Response so the HTTP server can\n * return it directly.\n *\n * - `opts.requestContext` is an optional server context that will be passed\n * to actions/loaders in the `context` parameter\n * - `opts.skipLoaderErrorBubbling` is an optional parameter that will prevent\n * the bubbling of errors which allows single-fetch-type implementations\n * where the client will handle the bubbling and we may need to return data\n * for the handling route\n */\n async function query(\n request: Request,\n {\n requestContext,\n skipLoaderErrorBubbling,\n unstable_dataStrategy,\n }: {\n requestContext?: unknown;\n skipLoaderErrorBubbling?: boolean;\n unstable_dataStrategy?: DataStrategyFunction;\n } = {}\n ): Promise {\n let url = new URL(request.url);\n let method = request.method;\n let location = createLocation(\"\", createPath(url), null, \"default\");\n let matches = matchRoutes(dataRoutes, location, basename);\n\n // SSR supports HEAD requests while SPA doesn't\n if (!isValidMethod(method) && method !== \"HEAD\") {\n let error = getInternalRouterError(405, { method });\n let { matches: methodNotAllowedMatches, route } =\n getShortCircuitMatches(dataRoutes);\n return {\n basename,\n location,\n matches: methodNotAllowedMatches,\n loaderData: {},\n actionData: null,\n errors: {\n [route.id]: error,\n },\n statusCode: error.status,\n loaderHeaders: {},\n actionHeaders: {},\n activeDeferreds: null,\n };\n } else if (!matches) {\n let error = getInternalRouterError(404, { pathname: location.pathname });\n let { matches: notFoundMatches, route } =\n getShortCircuitMatches(dataRoutes);\n return {\n basename,\n location,\n matches: notFoundMatches,\n loaderData: {},\n actionData: null,\n errors: {\n [route.id]: error,\n },\n statusCode: error.status,\n loaderHeaders: {},\n actionHeaders: {},\n activeDeferreds: null,\n };\n }\n\n let result = await queryImpl(\n request,\n location,\n matches,\n requestContext,\n unstable_dataStrategy || null,\n skipLoaderErrorBubbling === true,\n null\n );\n if (isResponse(result)) {\n return result;\n }\n\n // When returning StaticHandlerContext, we patch back in the location here\n // since we need it for React Context. But this helps keep our submit and\n // loadRouteData operating on a Request instead of a Location\n return { location, basename, ...result };\n }\n\n /**\n * The queryRoute() method is intended for targeted route requests, either\n * for fetch ?_data requests or resource route requests. In this case, we\n * are only ever calling a single action or loader, and we are returning the\n * returned value directly. In most cases, this will be a Response returned\n * from the action/loader, but it may be a primitive or other value as well -\n * and in such cases the calling context should handle that accordingly.\n *\n * We do respect the throw/return differentiation, so if an action/loader\n * throws, then this method will throw the value. This is important so we\n * can do proper boundary identification in Remix where a thrown Response\n * must go to the Catch Boundary but a returned Response is happy-path.\n *\n * One thing to note is that any Router-initiated Errors that make sense\n * to associate with a status code will be thrown as an ErrorResponse\n * instance which include the raw Error, such that the calling context can\n * serialize the error as they see fit while including the proper response\n * code. Examples here are 404 and 405 errors that occur prior to reaching\n * any user-defined loaders.\n *\n * - `opts.routeId` allows you to specify the specific route handler to call.\n * If not provided the handler will determine the proper route by matching\n * against `request.url`\n * - `opts.requestContext` is an optional server context that will be passed\n * to actions/loaders in the `context` parameter\n */\n async function queryRoute(\n request: Request,\n {\n routeId,\n requestContext,\n unstable_dataStrategy,\n }: {\n requestContext?: unknown;\n routeId?: string;\n unstable_dataStrategy?: DataStrategyFunction;\n } = {}\n ): Promise {\n let url = new URL(request.url);\n let method = request.method;\n let location = createLocation(\"\", createPath(url), null, \"default\");\n let matches = matchRoutes(dataRoutes, location, basename);\n\n // SSR supports HEAD requests while SPA doesn't\n if (!isValidMethod(method) && method !== \"HEAD\" && method !== \"OPTIONS\") {\n throw getInternalRouterError(405, { method });\n } else if (!matches) {\n throw getInternalRouterError(404, { pathname: location.pathname });\n }\n\n let match = routeId\n ? matches.find((m) => m.route.id === routeId)\n : getTargetMatch(matches, location);\n\n if (routeId && !match) {\n throw getInternalRouterError(403, {\n pathname: location.pathname,\n routeId,\n });\n } else if (!match) {\n // This should never hit I don't think?\n throw getInternalRouterError(404, { pathname: location.pathname });\n }\n\n let result = await queryImpl(\n request,\n location,\n matches,\n requestContext,\n unstable_dataStrategy || null,\n false,\n match\n );\n\n if (isResponse(result)) {\n return result;\n }\n\n let error = result.errors ? Object.values(result.errors)[0] : undefined;\n if (error !== undefined) {\n // If we got back result.errors, that means the loader/action threw\n // _something_ that wasn't a Response, but it's not guaranteed/required\n // to be an `instanceof Error` either, so we have to use throw here to\n // preserve the \"error\" state outside of queryImpl.\n throw error;\n }\n\n // Pick off the right state value to return\n if (result.actionData) {\n return Object.values(result.actionData)[0];\n }\n\n if (result.loaderData) {\n let data = Object.values(result.loaderData)[0];\n if (result.activeDeferreds?.[match.route.id]) {\n data[UNSAFE_DEFERRED_SYMBOL] = result.activeDeferreds[match.route.id];\n }\n return data;\n }\n\n return undefined;\n }\n\n async function queryImpl(\n request: Request,\n location: Location,\n matches: AgnosticDataRouteMatch[],\n requestContext: unknown,\n unstable_dataStrategy: DataStrategyFunction | null,\n skipLoaderErrorBubbling: boolean,\n routeMatch: AgnosticDataRouteMatch | null\n ): Promise | Response> {\n invariant(\n request.signal,\n \"query()/queryRoute() requests must contain an AbortController signal\"\n );\n\n try {\n if (isMutationMethod(request.method.toLowerCase())) {\n let result = await submit(\n request,\n matches,\n routeMatch || getTargetMatch(matches, location),\n requestContext,\n unstable_dataStrategy,\n skipLoaderErrorBubbling,\n routeMatch != null\n );\n return result;\n }\n\n let result = await loadRouteData(\n request,\n matches,\n requestContext,\n unstable_dataStrategy,\n skipLoaderErrorBubbling,\n routeMatch\n );\n return isResponse(result)\n ? result\n : {\n ...result,\n actionData: null,\n actionHeaders: {},\n };\n } catch (e) {\n // If the user threw/returned a Response in callLoaderOrAction for a\n // `queryRoute` call, we throw the `HandlerResult` to bail out early\n // and then return or throw the raw Response here accordingly\n if (isHandlerResult(e) && isResponse(e.result)) {\n if (e.type === ResultType.error) {\n throw e.result;\n }\n return e.result;\n }\n // Redirects are always returned since they don't propagate to catch\n // boundaries\n if (isRedirectResponse(e)) {\n return e;\n }\n throw e;\n }\n }\n\n async function submit(\n request: Request,\n matches: AgnosticDataRouteMatch[],\n actionMatch: AgnosticDataRouteMatch,\n requestContext: unknown,\n unstable_dataStrategy: DataStrategyFunction | null,\n skipLoaderErrorBubbling: boolean,\n isRouteRequest: boolean\n ): Promise | Response> {\n let result: DataResult;\n\n if (!actionMatch.route.action && !actionMatch.route.lazy) {\n let error = getInternalRouterError(405, {\n method: request.method,\n pathname: new URL(request.url).pathname,\n routeId: actionMatch.route.id,\n });\n if (isRouteRequest) {\n throw error;\n }\n result = {\n type: ResultType.error,\n error,\n };\n } else {\n let results = await callDataStrategy(\n \"action\",\n request,\n [actionMatch],\n matches,\n isRouteRequest,\n requestContext,\n unstable_dataStrategy\n );\n result = results[0];\n\n if (request.signal.aborted) {\n throwStaticHandlerAbortedError(request, isRouteRequest, future);\n }\n }\n\n if (isRedirectResult(result)) {\n // Uhhhh - this should never happen, we should always throw these from\n // callLoaderOrAction, but the type narrowing here keeps TS happy and we\n // can get back on the \"throw all redirect responses\" train here should\n // this ever happen :/\n throw new Response(null, {\n status: result.response.status,\n headers: {\n Location: result.response.headers.get(\"Location\")!,\n },\n });\n }\n\n if (isDeferredResult(result)) {\n let error = getInternalRouterError(400, { type: \"defer-action\" });\n if (isRouteRequest) {\n throw error;\n }\n result = {\n type: ResultType.error,\n error,\n };\n }\n\n if (isRouteRequest) {\n // Note: This should only be non-Response values if we get here, since\n // isRouteRequest should throw any Response received in callLoaderOrAction\n if (isErrorResult(result)) {\n throw result.error;\n }\n\n return {\n matches: [actionMatch],\n loaderData: {},\n actionData: { [actionMatch.route.id]: result.data },\n errors: null,\n // Note: statusCode + headers are unused here since queryRoute will\n // return the raw Response or value\n statusCode: 200,\n loaderHeaders: {},\n actionHeaders: {},\n activeDeferreds: null,\n };\n }\n\n // Create a GET request for the loaders\n let loaderRequest = new Request(request.url, {\n headers: request.headers,\n redirect: request.redirect,\n signal: request.signal,\n });\n\n if (isErrorResult(result)) {\n // Store off the pending error - we use it to determine which loaders\n // to call and will commit it when we complete the navigation\n let boundaryMatch = skipLoaderErrorBubbling\n ? actionMatch\n : findNearestBoundary(matches, actionMatch.route.id);\n\n let context = await loadRouteData(\n loaderRequest,\n matches,\n requestContext,\n unstable_dataStrategy,\n skipLoaderErrorBubbling,\n null,\n [boundaryMatch.route.id, result]\n );\n\n // action status codes take precedence over loader status codes\n return {\n ...context,\n statusCode: isRouteErrorResponse(result.error)\n ? result.error.status\n : result.statusCode != null\n ? result.statusCode\n : 500,\n actionData: null,\n actionHeaders: {\n ...(result.headers ? { [actionMatch.route.id]: result.headers } : {}),\n },\n };\n }\n\n let context = await loadRouteData(\n loaderRequest,\n matches,\n requestContext,\n unstable_dataStrategy,\n skipLoaderErrorBubbling,\n null\n );\n\n return {\n ...context,\n actionData: {\n [actionMatch.route.id]: result.data,\n },\n // action status codes take precedence over loader status codes\n ...(result.statusCode ? { statusCode: result.statusCode } : {}),\n actionHeaders: result.headers\n ? { [actionMatch.route.id]: result.headers }\n : {},\n };\n }\n\n async function loadRouteData(\n request: Request,\n matches: AgnosticDataRouteMatch[],\n requestContext: unknown,\n unstable_dataStrategy: DataStrategyFunction | null,\n skipLoaderErrorBubbling: boolean,\n routeMatch: AgnosticDataRouteMatch | null,\n pendingActionResult?: PendingActionResult\n ): Promise<\n | Omit<\n StaticHandlerContext,\n \"location\" | \"basename\" | \"actionData\" | \"actionHeaders\"\n >\n | Response\n > {\n let isRouteRequest = routeMatch != null;\n\n // Short circuit if we have no loaders to run (queryRoute())\n if (\n isRouteRequest &&\n !routeMatch?.route.loader &&\n !routeMatch?.route.lazy\n ) {\n throw getInternalRouterError(400, {\n method: request.method,\n pathname: new URL(request.url).pathname,\n routeId: routeMatch?.route.id,\n });\n }\n\n let requestMatches = routeMatch\n ? [routeMatch]\n : pendingActionResult && isErrorResult(pendingActionResult[1])\n ? getLoaderMatchesUntilBoundary(matches, pendingActionResult[0])\n : matches;\n let matchesToLoad = requestMatches.filter(\n (m) => m.route.loader || m.route.lazy\n );\n\n // Short circuit if we have no loaders to run (query())\n if (matchesToLoad.length === 0) {\n return {\n matches,\n // Add a null for all matched routes for proper revalidation on the client\n loaderData: matches.reduce(\n (acc, m) => Object.assign(acc, { [m.route.id]: null }),\n {}\n ),\n errors:\n pendingActionResult && isErrorResult(pendingActionResult[1])\n ? {\n [pendingActionResult[0]]: pendingActionResult[1].error,\n }\n : null,\n statusCode: 200,\n loaderHeaders: {},\n activeDeferreds: null,\n };\n }\n\n let results = await callDataStrategy(\n \"loader\",\n request,\n matchesToLoad,\n matches,\n isRouteRequest,\n requestContext,\n unstable_dataStrategy\n );\n\n if (request.signal.aborted) {\n throwStaticHandlerAbortedError(request, isRouteRequest, future);\n }\n\n // Process and commit output from loaders\n let activeDeferreds = new Map();\n let context = processRouteLoaderData(\n matches,\n matchesToLoad,\n results,\n pendingActionResult,\n activeDeferreds,\n skipLoaderErrorBubbling\n );\n\n // Add a null for any non-loader matches for proper revalidation on the client\n let executedLoaders = new Set(\n matchesToLoad.map((match) => match.route.id)\n );\n matches.forEach((match) => {\n if (!executedLoaders.has(match.route.id)) {\n context.loaderData[match.route.id] = null;\n }\n });\n\n return {\n ...context,\n matches,\n activeDeferreds:\n activeDeferreds.size > 0\n ? Object.fromEntries(activeDeferreds.entries())\n : null,\n };\n }\n\n // Utility wrapper for calling dataStrategy server-side without having to\n // pass around the manifest, mapRouteProperties, etc.\n async function callDataStrategy(\n type: \"loader\" | \"action\",\n request: Request,\n matchesToLoad: AgnosticDataRouteMatch[],\n matches: AgnosticDataRouteMatch[],\n isRouteRequest: boolean,\n requestContext: unknown,\n unstable_dataStrategy: DataStrategyFunction | null\n ): Promise {\n let results = await callDataStrategyImpl(\n unstable_dataStrategy || defaultDataStrategy,\n type,\n request,\n matchesToLoad,\n matches,\n manifest,\n mapRouteProperties,\n requestContext\n );\n\n return await Promise.all(\n results.map((result, i) => {\n if (isRedirectHandlerResult(result)) {\n let response = result.result as Response;\n // Throw redirects and let the server handle them with an HTTP redirect\n throw normalizeRelativeRoutingRedirectResponse(\n response,\n request,\n matchesToLoad[i].route.id,\n matches,\n basename,\n future.v7_relativeSplatPath\n );\n }\n if (isResponse(result.result) && isRouteRequest) {\n // For SSR single-route requests, we want to hand Responses back\n // directly without unwrapping\n throw result;\n }\n\n return convertHandlerResultToDataResult(result);\n })\n );\n }\n\n return {\n dataRoutes,\n query,\n queryRoute,\n };\n}\n\n//#endregion\n\n////////////////////////////////////////////////////////////////////////////////\n//#region Helpers\n////////////////////////////////////////////////////////////////////////////////\n\n/**\n * Given an existing StaticHandlerContext and an error thrown at render time,\n * provide an updated StaticHandlerContext suitable for a second SSR render\n */\nexport function getStaticContextFromError(\n routes: AgnosticDataRouteObject[],\n context: StaticHandlerContext,\n error: any\n) {\n let newContext: StaticHandlerContext = {\n ...context,\n statusCode: isRouteErrorResponse(error) ? error.status : 500,\n errors: {\n [context._deepestRenderedBoundaryId || routes[0].id]: error,\n },\n };\n return newContext;\n}\n\nfunction throwStaticHandlerAbortedError(\n request: Request,\n isRouteRequest: boolean,\n future: StaticHandlerFutureConfig\n) {\n if (future.v7_throwAbortReason && request.signal.reason !== undefined) {\n throw request.signal.reason;\n }\n\n let method = isRouteRequest ? \"queryRoute\" : \"query\";\n throw new Error(`${method}() call aborted: ${request.method} ${request.url}`);\n}\n\nfunction isSubmissionNavigation(\n opts: BaseNavigateOrFetchOptions\n): opts is SubmissionNavigateOptions {\n return (\n opts != null &&\n ((\"formData\" in opts && opts.formData != null) ||\n (\"body\" in opts && opts.body !== undefined))\n );\n}\n\nfunction normalizeTo(\n location: Path,\n matches: AgnosticDataRouteMatch[],\n basename: string,\n prependBasename: boolean,\n to: To | null,\n v7_relativeSplatPath: boolean,\n fromRouteId?: string,\n relative?: RelativeRoutingType\n) {\n let contextualMatches: AgnosticDataRouteMatch[];\n let activeRouteMatch: AgnosticDataRouteMatch | undefined;\n if (fromRouteId) {\n // Grab matches up to the calling route so our route-relative logic is\n // relative to the correct source route\n contextualMatches = [];\n for (let match of matches) {\n contextualMatches.push(match);\n if (match.route.id === fromRouteId) {\n activeRouteMatch = match;\n break;\n }\n }\n } else {\n contextualMatches = matches;\n activeRouteMatch = matches[matches.length - 1];\n }\n\n // Resolve the relative path\n let path = resolveTo(\n to ? to : \".\",\n getResolveToMatches(contextualMatches, v7_relativeSplatPath),\n stripBasename(location.pathname, basename) || location.pathname,\n relative === \"path\"\n );\n\n // When `to` is not specified we inherit search/hash from the current\n // location, unlike when to=\".\" and we just inherit the path.\n // See https://github.com/remix-run/remix/issues/927\n if (to == null) {\n path.search = location.search;\n path.hash = location.hash;\n }\n\n // Add an ?index param for matched index routes if we don't already have one\n if (\n (to == null || to === \"\" || to === \".\") &&\n activeRouteMatch &&\n activeRouteMatch.route.index &&\n !hasNakedIndexQuery(path.search)\n ) {\n path.search = path.search\n ? path.search.replace(/^\\?/, \"?index&\")\n : \"?index\";\n }\n\n // If we're operating within a basename, prepend it to the pathname. If\n // this is a root navigation, then just use the raw basename which allows\n // the basename to have full control over the presence of a trailing slash\n // on root actions\n if (prependBasename && basename !== \"/\") {\n path.pathname =\n path.pathname === \"/\" ? basename : joinPaths([basename, path.pathname]);\n }\n\n return createPath(path);\n}\n\n// Normalize navigation options by converting formMethod=GET formData objects to\n// URLSearchParams so they behave identically to links with query params\nfunction normalizeNavigateOptions(\n normalizeFormMethod: boolean,\n isFetcher: boolean,\n path: string,\n opts?: BaseNavigateOrFetchOptions\n): {\n path: string;\n submission?: Submission;\n error?: ErrorResponseImpl;\n} {\n // Return location verbatim on non-submission navigations\n if (!opts || !isSubmissionNavigation(opts)) {\n return { path };\n }\n\n if (opts.formMethod && !isValidMethod(opts.formMethod)) {\n return {\n path,\n error: getInternalRouterError(405, { method: opts.formMethod }),\n };\n }\n\n let getInvalidBodyError = () => ({\n path,\n error: getInternalRouterError(400, { type: \"invalid-body\" }),\n });\n\n // Create a Submission on non-GET navigations\n let rawFormMethod = opts.formMethod || \"get\";\n let formMethod = normalizeFormMethod\n ? (rawFormMethod.toUpperCase() as V7_FormMethod)\n : (rawFormMethod.toLowerCase() as FormMethod);\n let formAction = stripHashFromPath(path);\n\n if (opts.body !== undefined) {\n if (opts.formEncType === \"text/plain\") {\n // text only support POST/PUT/PATCH/DELETE submissions\n if (!isMutationMethod(formMethod)) {\n return getInvalidBodyError();\n }\n\n let text =\n typeof opts.body === \"string\"\n ? opts.body\n : opts.body instanceof FormData ||\n opts.body instanceof URLSearchParams\n ? // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#plain-text-form-data\n Array.from(opts.body.entries()).reduce(\n (acc, [name, value]) => `${acc}${name}=${value}\\n`,\n \"\"\n )\n : String(opts.body);\n\n return {\n path,\n submission: {\n formMethod,\n formAction,\n formEncType: opts.formEncType,\n formData: undefined,\n json: undefined,\n text,\n },\n };\n } else if (opts.formEncType === \"application/json\") {\n // json only supports POST/PUT/PATCH/DELETE submissions\n if (!isMutationMethod(formMethod)) {\n return getInvalidBodyError();\n }\n\n try {\n let json =\n typeof opts.body === \"string\" ? JSON.parse(opts.body) : opts.body;\n\n return {\n path,\n submission: {\n formMethod,\n formAction,\n formEncType: opts.formEncType,\n formData: undefined,\n json,\n text: undefined,\n },\n };\n } catch (e) {\n return getInvalidBodyError();\n }\n }\n }\n\n invariant(\n typeof FormData === \"function\",\n \"FormData is not available in this environment\"\n );\n\n let searchParams: URLSearchParams;\n let formData: FormData;\n\n if (opts.formData) {\n searchParams = convertFormDataToSearchParams(opts.formData);\n formData = opts.formData;\n } else if (opts.body instanceof FormData) {\n searchParams = convertFormDataToSearchParams(opts.body);\n formData = opts.body;\n } else if (opts.body instanceof URLSearchParams) {\n searchParams = opts.body;\n formData = convertSearchParamsToFormData(searchParams);\n } else if (opts.body == null) {\n searchParams = new URLSearchParams();\n formData = new FormData();\n } else {\n try {\n searchParams = new URLSearchParams(opts.body);\n formData = convertSearchParamsToFormData(searchParams);\n } catch (e) {\n return getInvalidBodyError();\n }\n }\n\n let submission: Submission = {\n formMethod,\n formAction,\n formEncType:\n (opts && opts.formEncType) || \"application/x-www-form-urlencoded\",\n formData,\n json: undefined,\n text: undefined,\n };\n\n if (isMutationMethod(submission.formMethod)) {\n return { path, submission };\n }\n\n // Flatten submission onto URLSearchParams for GET submissions\n let parsedPath = parsePath(path);\n // On GET navigation submissions we can drop the ?index param from the\n // resulting location since all loaders will run. But fetcher GET submissions\n // only run a single loader so we need to preserve any incoming ?index params\n if (isFetcher && parsedPath.search && hasNakedIndexQuery(parsedPath.search)) {\n searchParams.append(\"index\", \"\");\n }\n parsedPath.search = `?${searchParams}`;\n\n return { path: createPath(parsedPath), submission };\n}\n\n// Filter out all routes below any caught error as they aren't going to\n// render so we don't need to load them\nfunction getLoaderMatchesUntilBoundary(\n matches: AgnosticDataRouteMatch[],\n boundaryId: string\n) {\n let boundaryMatches = matches;\n if (boundaryId) {\n let index = matches.findIndex((m) => m.route.id === boundaryId);\n if (index >= 0) {\n boundaryMatches = matches.slice(0, index);\n }\n }\n return boundaryMatches;\n}\n\nfunction getMatchesToLoad(\n history: History,\n state: RouterState,\n matches: AgnosticDataRouteMatch[],\n submission: Submission | undefined,\n location: Location,\n isInitialLoad: boolean,\n skipActionErrorRevalidation: boolean,\n isRevalidationRequired: boolean,\n cancelledDeferredRoutes: string[],\n cancelledFetcherLoads: string[],\n deletedFetchers: Set,\n fetchLoadMatches: Map,\n fetchRedirectIds: Set,\n routesToUse: AgnosticDataRouteObject[],\n basename: string | undefined,\n pendingActionResult?: PendingActionResult\n): [AgnosticDataRouteMatch[], RevalidatingFetcher[]] {\n let actionResult = pendingActionResult\n ? isErrorResult(pendingActionResult[1])\n ? pendingActionResult[1].error\n : pendingActionResult[1].data\n : undefined;\n let currentUrl = history.createURL(state.location);\n let nextUrl = history.createURL(location);\n\n // Pick navigation matches that are net-new or qualify for revalidation\n let boundaryId =\n pendingActionResult && isErrorResult(pendingActionResult[1])\n ? pendingActionResult[0]\n : undefined;\n let boundaryMatches = boundaryId\n ? getLoaderMatchesUntilBoundary(matches, boundaryId)\n : matches;\n\n // Don't revalidate loaders by default after action 4xx/5xx responses\n // when the flag is enabled. They can still opt-into revalidation via\n // `shouldRevalidate` via `actionResult`\n let actionStatus = pendingActionResult\n ? pendingActionResult[1].statusCode\n : undefined;\n let shouldSkipRevalidation =\n skipActionErrorRevalidation && actionStatus && actionStatus >= 400;\n\n let navigationMatches = boundaryMatches.filter((match, index) => {\n let { route } = match;\n if (route.lazy) {\n // We haven't loaded this route yet so we don't know if it's got a loader!\n return true;\n }\n\n if (route.loader == null) {\n return false;\n }\n\n if (isInitialLoad) {\n if (typeof route.loader !== \"function\" || route.loader.hydrate) {\n return true;\n }\n return (\n state.loaderData[route.id] === undefined &&\n // Don't re-run if the loader ran and threw an error\n (!state.errors || state.errors[route.id] === undefined)\n );\n }\n\n // Always call the loader on new route instances and pending defer cancellations\n if (\n isNewLoader(state.loaderData, state.matches[index], match) ||\n cancelledDeferredRoutes.some((id) => id === match.route.id)\n ) {\n return true;\n }\n\n // This is the default implementation for when we revalidate. If the route\n // provides it's own implementation, then we give them full control but\n // provide this value so they can leverage it if needed after they check\n // their own specific use cases\n let currentRouteMatch = state.matches[index];\n let nextRouteMatch = match;\n\n return shouldRevalidateLoader(match, {\n currentUrl,\n currentParams: currentRouteMatch.params,\n nextUrl,\n nextParams: nextRouteMatch.params,\n ...submission,\n actionResult,\n actionStatus,\n defaultShouldRevalidate: shouldSkipRevalidation\n ? false\n : // Forced revalidation due to submission, useRevalidator, or X-Remix-Revalidate\n isRevalidationRequired ||\n currentUrl.pathname + currentUrl.search ===\n nextUrl.pathname + nextUrl.search ||\n // Search params affect all loaders\n currentUrl.search !== nextUrl.search ||\n isNewRouteInstance(currentRouteMatch, nextRouteMatch),\n });\n });\n\n // Pick fetcher.loads that need to be revalidated\n let revalidatingFetchers: RevalidatingFetcher[] = [];\n fetchLoadMatches.forEach((f, key) => {\n // Don't revalidate:\n // - on initial load (shouldn't be any fetchers then anyway)\n // - if fetcher won't be present in the subsequent render\n // - no longer matches the URL (v7_fetcherPersist=false)\n // - was unmounted but persisted due to v7_fetcherPersist=true\n if (\n isInitialLoad ||\n !matches.some((m) => m.route.id === f.routeId) ||\n deletedFetchers.has(key)\n ) {\n return;\n }\n\n let fetcherMatches = matchRoutes(routesToUse, f.path, basename);\n\n // If the fetcher path no longer matches, push it in with null matches so\n // we can trigger a 404 in callLoadersAndMaybeResolveData. Note this is\n // currently only a use-case for Remix HMR where the route tree can change\n // at runtime and remove a route previously loaded via a fetcher\n if (!fetcherMatches) {\n revalidatingFetchers.push({\n key,\n routeId: f.routeId,\n path: f.path,\n matches: null,\n match: null,\n controller: null,\n });\n return;\n }\n\n // Revalidating fetchers are decoupled from the route matches since they\n // load from a static href. They revalidate based on explicit revalidation\n // (submission, useRevalidator, or X-Remix-Revalidate)\n let fetcher = state.fetchers.get(key);\n let fetcherMatch = getTargetMatch(fetcherMatches, f.path);\n\n let shouldRevalidate = false;\n if (fetchRedirectIds.has(key)) {\n // Never trigger a revalidation of an actively redirecting fetcher\n shouldRevalidate = false;\n } else if (cancelledFetcherLoads.includes(key)) {\n // Always revalidate if the fetcher was cancelled\n shouldRevalidate = true;\n } else if (\n fetcher &&\n fetcher.state !== \"idle\" &&\n fetcher.data === undefined\n ) {\n // If the fetcher hasn't ever completed loading yet, then this isn't a\n // revalidation, it would just be a brand new load if an explicit\n // revalidation is required\n shouldRevalidate = isRevalidationRequired;\n } else {\n // Otherwise fall back on any user-defined shouldRevalidate, defaulting\n // to explicit revalidations only\n shouldRevalidate = shouldRevalidateLoader(fetcherMatch, {\n currentUrl,\n currentParams: state.matches[state.matches.length - 1].params,\n nextUrl,\n nextParams: matches[matches.length - 1].params,\n ...submission,\n actionResult,\n actionStatus,\n defaultShouldRevalidate: shouldSkipRevalidation\n ? false\n : isRevalidationRequired,\n });\n }\n\n if (shouldRevalidate) {\n revalidatingFetchers.push({\n key,\n routeId: f.routeId,\n path: f.path,\n matches: fetcherMatches,\n match: fetcherMatch,\n controller: new AbortController(),\n });\n }\n });\n\n return [navigationMatches, revalidatingFetchers];\n}\n\nfunction isNewLoader(\n currentLoaderData: RouteData,\n currentMatch: AgnosticDataRouteMatch,\n match: AgnosticDataRouteMatch\n) {\n let isNew =\n // [a] -> [a, b]\n !currentMatch ||\n // [a, b] -> [a, c]\n match.route.id !== currentMatch.route.id;\n\n // Handle the case that we don't have data for a re-used route, potentially\n // from a prior error or from a cancelled pending deferred\n let isMissingData = currentLoaderData[match.route.id] === undefined;\n\n // Always load if this is a net-new route or we don't yet have data\n return isNew || isMissingData;\n}\n\nfunction isNewRouteInstance(\n currentMatch: AgnosticDataRouteMatch,\n match: AgnosticDataRouteMatch\n) {\n let currentPath = currentMatch.route.path;\n return (\n // param change for this match, /users/123 -> /users/456\n currentMatch.pathname !== match.pathname ||\n // splat param changed, which is not present in match.path\n // e.g. /files/images/avatar.jpg -> files/finances.xls\n (currentPath != null &&\n currentPath.endsWith(\"*\") &&\n currentMatch.params[\"*\"] !== match.params[\"*\"])\n );\n}\n\nfunction shouldRevalidateLoader(\n loaderMatch: AgnosticDataRouteMatch,\n arg: ShouldRevalidateFunctionArgs\n) {\n if (loaderMatch.route.shouldRevalidate) {\n let routeChoice = loaderMatch.route.shouldRevalidate(arg);\n if (typeof routeChoice === \"boolean\") {\n return routeChoice;\n }\n }\n\n return arg.defaultShouldRevalidate;\n}\n\n/**\n * Idempotent utility to execute patchRoutesOnMiss() to lazily load route\n * definitions and update the routes/routeManifest\n */\nasync function loadLazyRouteChildren(\n patchRoutesOnMissImpl: AgnosticPatchRoutesOnMissFunction,\n path: string,\n matches: AgnosticDataRouteMatch[],\n routes: AgnosticDataRouteObject[],\n manifest: RouteManifest,\n mapRouteProperties: MapRoutePropertiesFunction,\n pendingRouteChildren: Map>,\n signal: AbortSignal\n) {\n let key = [path, ...matches.map((m) => m.route.id)].join(\"-\");\n try {\n let pending = pendingRouteChildren.get(key);\n if (!pending) {\n pending = patchRoutesOnMissImpl({\n path,\n matches,\n patch: (routeId, children) => {\n if (!signal.aborted) {\n patchRoutesImpl(\n routeId,\n children,\n routes,\n manifest,\n mapRouteProperties\n );\n }\n },\n });\n pendingRouteChildren.set(key, pending);\n }\n\n if (pending && isPromise(pending)) {\n await pending;\n }\n } finally {\n pendingRouteChildren.delete(key);\n }\n}\n\nfunction patchRoutesImpl(\n routeId: string | null,\n children: AgnosticRouteObject[],\n routesToUse: AgnosticDataRouteObject[],\n manifest: RouteManifest,\n mapRouteProperties: MapRoutePropertiesFunction\n) {\n if (routeId) {\n let route = manifest[routeId];\n invariant(\n route,\n `No route found to patch children into: routeId = ${routeId}`\n );\n let dataChildren = convertRoutesToDataRoutes(\n children,\n mapRouteProperties,\n [routeId, \"patch\", String(route.children?.length || \"0\")],\n manifest\n );\n if (route.children) {\n route.children.push(...dataChildren);\n } else {\n route.children = dataChildren;\n }\n } else {\n let dataChildren = convertRoutesToDataRoutes(\n children,\n mapRouteProperties,\n [\"patch\", String(routesToUse.length || \"0\")],\n manifest\n );\n routesToUse.push(...dataChildren);\n }\n}\n\n/**\n * Execute route.lazy() methods to lazily load route modules (loader, action,\n * shouldRevalidate) and update the routeManifest in place which shares objects\n * with dataRoutes so those get updated as well.\n */\nasync function loadLazyRouteModule(\n route: AgnosticDataRouteObject,\n mapRouteProperties: MapRoutePropertiesFunction,\n manifest: RouteManifest\n) {\n if (!route.lazy) {\n return;\n }\n\n let lazyRoute = await route.lazy();\n\n // If the lazy route function was executed and removed by another parallel\n // call then we can return - first lazy() to finish wins because the return\n // value of lazy is expected to be static\n if (!route.lazy) {\n return;\n }\n\n let routeToUpdate = manifest[route.id];\n invariant(routeToUpdate, \"No route found in manifest\");\n\n // Update the route in place. This should be safe because there's no way\n // we could yet be sitting on this route as we can't get there without\n // resolving lazy() first.\n //\n // This is different than the HMR \"update\" use-case where we may actively be\n // on the route being updated. The main concern boils down to \"does this\n // mutation affect any ongoing navigations or any current state.matches\n // values?\". If not, it should be safe to update in place.\n let routeUpdates: Record = {};\n for (let lazyRouteProperty in lazyRoute) {\n let staticRouteValue =\n routeToUpdate[lazyRouteProperty as keyof typeof routeToUpdate];\n\n let isPropertyStaticallyDefined =\n staticRouteValue !== undefined &&\n // This property isn't static since it should always be updated based\n // on the route updates\n lazyRouteProperty !== \"hasErrorBoundary\";\n\n warning(\n !isPropertyStaticallyDefined,\n `Route \"${routeToUpdate.id}\" has a static property \"${lazyRouteProperty}\" ` +\n `defined but its lazy function is also returning a value for this property. ` +\n `The lazy route property \"${lazyRouteProperty}\" will be ignored.`\n );\n\n if (\n !isPropertyStaticallyDefined &&\n !immutableRouteKeys.has(lazyRouteProperty as ImmutableRouteKey)\n ) {\n routeUpdates[lazyRouteProperty] =\n lazyRoute[lazyRouteProperty as keyof typeof lazyRoute];\n }\n }\n\n // Mutate the route with the provided updates. Do this first so we pass\n // the updated version to mapRouteProperties\n Object.assign(routeToUpdate, routeUpdates);\n\n // Mutate the `hasErrorBoundary` property on the route based on the route\n // updates and remove the `lazy` function so we don't resolve the lazy\n // route again.\n Object.assign(routeToUpdate, {\n // To keep things framework agnostic, we use the provided\n // `mapRouteProperties` (or wrapped `detectErrorBoundary`) function to\n // set the framework-aware properties (`element`/`hasErrorBoundary`) since\n // the logic will differ between frameworks.\n ...mapRouteProperties(routeToUpdate),\n lazy: undefined,\n });\n}\n\n// Default implementation of `dataStrategy` which fetches all loaders in parallel\nfunction defaultDataStrategy(\n opts: DataStrategyFunctionArgs\n): ReturnType {\n return Promise.all(opts.matches.map((m) => m.resolve()));\n}\n\nasync function callDataStrategyImpl(\n dataStrategyImpl: DataStrategyFunction,\n type: \"loader\" | \"action\",\n request: Request,\n matchesToLoad: AgnosticDataRouteMatch[],\n matches: AgnosticDataRouteMatch[],\n manifest: RouteManifest,\n mapRouteProperties: MapRoutePropertiesFunction,\n requestContext?: unknown\n): Promise {\n let routeIdsToLoad = matchesToLoad.reduce(\n (acc, m) => acc.add(m.route.id),\n new Set()\n );\n let loadedMatches = new Set();\n\n // Send all matches here to allow for a middleware-type implementation.\n // handler will be a no-op for unneeded routes and we filter those results\n // back out below.\n let results = await dataStrategyImpl({\n matches: matches.map((match) => {\n let shouldLoad = routeIdsToLoad.has(match.route.id);\n // `resolve` encapsulates the route.lazy, executing the\n // loader/action, and mapping return values/thrown errors to a\n // HandlerResult. Users can pass a callback to take fine-grained control\n // over the execution of the loader/action\n let resolve: DataStrategyMatch[\"resolve\"] = (handlerOverride) => {\n loadedMatches.add(match.route.id);\n return shouldLoad\n ? callLoaderOrAction(\n type,\n request,\n match,\n manifest,\n mapRouteProperties,\n handlerOverride,\n requestContext\n )\n : Promise.resolve({ type: ResultType.data, result: undefined });\n };\n\n return {\n ...match,\n shouldLoad,\n resolve,\n };\n }),\n request,\n params: matches[0].params,\n context: requestContext,\n });\n\n // Throw if any loadRoute implementations not called since they are what\n // ensures a route is fully loaded\n matches.forEach((m) =>\n invariant(\n loadedMatches.has(m.route.id),\n `\\`match.resolve()\\` was not called for route id \"${m.route.id}\". ` +\n \"You must call `match.resolve()` on every match passed to \" +\n \"`dataStrategy` to ensure all routes are properly loaded.\"\n )\n );\n\n // Filter out any middleware-only matches for which we didn't need to run handlers\n return results.filter((_, i) => routeIdsToLoad.has(matches[i].route.id));\n}\n\n// Default logic for calling a loader/action is the user has no specified a dataStrategy\nasync function callLoaderOrAction(\n type: \"loader\" | \"action\",\n request: Request,\n match: AgnosticDataRouteMatch,\n manifest: RouteManifest,\n mapRouteProperties: MapRoutePropertiesFunction,\n handlerOverride: Parameters[0],\n staticContext?: unknown\n): Promise {\n let result: HandlerResult;\n let onReject: (() => void) | undefined;\n\n let runHandler = (\n handler: AgnosticRouteObject[\"loader\"] | AgnosticRouteObject[\"action\"]\n ): Promise => {\n // Setup a promise we can race against so that abort signals short circuit\n let reject: () => void;\n // This will never resolve so safe to type it as Promise to\n // satisfy the function return value\n let abortPromise = new Promise((_, r) => (reject = r));\n onReject = () => reject();\n request.signal.addEventListener(\"abort\", onReject);\n\n let actualHandler = (ctx?: unknown) => {\n if (typeof handler !== \"function\") {\n return Promise.reject(\n new Error(\n `You cannot call the handler for a route which defines a boolean ` +\n `\"${type}\" [routeId: ${match.route.id}]`\n )\n );\n }\n return handler(\n {\n request,\n params: match.params,\n context: staticContext,\n },\n ...(ctx !== undefined ? [ctx] : [])\n );\n };\n\n let handlerPromise: Promise;\n if (handlerOverride) {\n handlerPromise = handlerOverride((ctx: unknown) => actualHandler(ctx));\n } else {\n handlerPromise = (async () => {\n try {\n let val = await actualHandler();\n return { type: \"data\", result: val };\n } catch (e) {\n return { type: \"error\", result: e };\n }\n })();\n }\n\n return Promise.race([handlerPromise, abortPromise]);\n };\n\n try {\n let handler = match.route[type];\n\n if (match.route.lazy) {\n if (handler) {\n // Run statically defined handler in parallel with lazy()\n let handlerError;\n let [value] = await Promise.all([\n // If the handler throws, don't let it immediately bubble out,\n // since we need to let the lazy() execution finish so we know if this\n // route has a boundary that can handle the error\n runHandler(handler).catch((e) => {\n handlerError = e;\n }),\n loadLazyRouteModule(match.route, mapRouteProperties, manifest),\n ]);\n if (handlerError !== undefined) {\n throw handlerError;\n }\n result = value!;\n } else {\n // Load lazy route module, then run any returned handler\n await loadLazyRouteModule(match.route, mapRouteProperties, manifest);\n\n handler = match.route[type];\n if (handler) {\n // Handler still runs even if we got interrupted to maintain consistency\n // with un-abortable behavior of handler execution on non-lazy or\n // previously-lazy-loaded routes\n result = await runHandler(handler);\n } else if (type === \"action\") {\n let url = new URL(request.url);\n let pathname = url.pathname + url.search;\n throw getInternalRouterError(405, {\n method: request.method,\n pathname,\n routeId: match.route.id,\n });\n } else {\n // lazy() route has no loader to run. Short circuit here so we don't\n // hit the invariant below that errors on returning undefined.\n return { type: ResultType.data, result: undefined };\n }\n }\n } else if (!handler) {\n let url = new URL(request.url);\n let pathname = url.pathname + url.search;\n throw getInternalRouterError(404, {\n pathname,\n });\n } else {\n result = await runHandler(handler);\n }\n\n invariant(\n result.result !== undefined,\n `You defined ${type === \"action\" ? \"an action\" : \"a loader\"} for route ` +\n `\"${match.route.id}\" but didn't return anything from your \\`${type}\\` ` +\n `function. Please return a value or \\`null\\`.`\n );\n } catch (e) {\n // We should already be catching and converting normal handler executions to\n // HandlerResults and returning them, so anything that throws here is an\n // unexpected error we still need to wrap\n return { type: ResultType.error, result: e };\n } finally {\n if (onReject) {\n request.signal.removeEventListener(\"abort\", onReject);\n }\n }\n\n return result;\n}\n\nasync function convertHandlerResultToDataResult(\n handlerResult: HandlerResult\n): Promise {\n let { result, type, status } = handlerResult;\n\n if (isResponse(result)) {\n let data: any;\n\n try {\n let contentType = result.headers.get(\"Content-Type\");\n // Check between word boundaries instead of startsWith() due to the last\n // paragraph of https://httpwg.org/specs/rfc9110.html#field.content-type\n if (contentType && /\\bapplication\\/json\\b/.test(contentType)) {\n if (result.body == null) {\n data = null;\n } else {\n data = await result.json();\n }\n } else {\n data = await result.text();\n }\n } catch (e) {\n return { type: ResultType.error, error: e };\n }\n\n if (type === ResultType.error) {\n return {\n type: ResultType.error,\n error: new ErrorResponseImpl(result.status, result.statusText, data),\n statusCode: result.status,\n headers: result.headers,\n };\n }\n\n return {\n type: ResultType.data,\n data,\n statusCode: result.status,\n headers: result.headers,\n };\n }\n\n if (type === ResultType.error) {\n return {\n type: ResultType.error,\n error: result,\n statusCode: isRouteErrorResponse(result) ? result.status : status,\n };\n }\n\n if (isDeferredData(result)) {\n return {\n type: ResultType.deferred,\n deferredData: result,\n statusCode: result.init?.status,\n headers: result.init?.headers && new Headers(result.init.headers),\n };\n }\n\n return { type: ResultType.data, data: result, statusCode: status };\n}\n\n// Support relative routing in internal redirects\nfunction normalizeRelativeRoutingRedirectResponse(\n response: Response,\n request: Request,\n routeId: string,\n matches: AgnosticDataRouteMatch[],\n basename: string,\n v7_relativeSplatPath: boolean\n) {\n let location = response.headers.get(\"Location\");\n invariant(\n location,\n \"Redirects returned/thrown from loaders/actions must have a Location header\"\n );\n\n if (!ABSOLUTE_URL_REGEX.test(location)) {\n let trimmedMatches = matches.slice(\n 0,\n matches.findIndex((m) => m.route.id === routeId) + 1\n );\n location = normalizeTo(\n new URL(request.url),\n trimmedMatches,\n basename,\n true,\n location,\n v7_relativeSplatPath\n );\n response.headers.set(\"Location\", location);\n }\n\n return response;\n}\n\nfunction normalizeRedirectLocation(\n location: string,\n currentUrl: URL,\n basename: string\n): string {\n if (ABSOLUTE_URL_REGEX.test(location)) {\n // Strip off the protocol+origin for same-origin + same-basename absolute redirects\n let normalizedLocation = location;\n let url = normalizedLocation.startsWith(\"//\")\n ? new URL(currentUrl.protocol + normalizedLocation)\n : new URL(normalizedLocation);\n let isSameBasename = stripBasename(url.pathname, basename) != null;\n if (url.origin === currentUrl.origin && isSameBasename) {\n return url.pathname + url.search + url.hash;\n }\n }\n return location;\n}\n\n// Utility method for creating the Request instances for loaders/actions during\n// client-side navigations and fetches. During SSR we will always have a\n// Request instance from the static handler (query/queryRoute)\nfunction createClientSideRequest(\n history: History,\n location: string | Location,\n signal: AbortSignal,\n submission?: Submission\n): Request {\n let url = history.createURL(stripHashFromPath(location)).toString();\n let init: RequestInit = { signal };\n\n if (submission && isMutationMethod(submission.formMethod)) {\n let { formMethod, formEncType } = submission;\n // Didn't think we needed this but it turns out unlike other methods, patch\n // won't be properly normalized to uppercase and results in a 405 error.\n // See: https://fetch.spec.whatwg.org/#concept-method\n init.method = formMethod.toUpperCase();\n\n if (formEncType === \"application/json\") {\n init.headers = new Headers({ \"Content-Type\": formEncType });\n init.body = JSON.stringify(submission.json);\n } else if (formEncType === \"text/plain\") {\n // Content-Type is inferred (https://fetch.spec.whatwg.org/#dom-request)\n init.body = submission.text;\n } else if (\n formEncType === \"application/x-www-form-urlencoded\" &&\n submission.formData\n ) {\n // Content-Type is inferred (https://fetch.spec.whatwg.org/#dom-request)\n init.body = convertFormDataToSearchParams(submission.formData);\n } else {\n // Content-Type is inferred (https://fetch.spec.whatwg.org/#dom-request)\n init.body = submission.formData;\n }\n }\n\n return new Request(url, init);\n}\n\nfunction convertFormDataToSearchParams(formData: FormData): URLSearchParams {\n let searchParams = new URLSearchParams();\n\n for (let [key, value] of formData.entries()) {\n // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#converting-an-entry-list-to-a-list-of-name-value-pairs\n searchParams.append(key, typeof value === \"string\" ? value : value.name);\n }\n\n return searchParams;\n}\n\nfunction convertSearchParamsToFormData(\n searchParams: URLSearchParams\n): FormData {\n let formData = new FormData();\n for (let [key, value] of searchParams.entries()) {\n formData.append(key, value);\n }\n return formData;\n}\n\nfunction processRouteLoaderData(\n matches: AgnosticDataRouteMatch[],\n matchesToLoad: AgnosticDataRouteMatch[],\n results: DataResult[],\n pendingActionResult: PendingActionResult | undefined,\n activeDeferreds: Map,\n skipLoaderErrorBubbling: boolean\n): {\n loaderData: RouterState[\"loaderData\"];\n errors: RouterState[\"errors\"] | null;\n statusCode: number;\n loaderHeaders: Record;\n} {\n // Fill in loaderData/errors from our loaders\n let loaderData: RouterState[\"loaderData\"] = {};\n let errors: RouterState[\"errors\"] | null = null;\n let statusCode: number | undefined;\n let foundError = false;\n let loaderHeaders: Record = {};\n let pendingError =\n pendingActionResult && isErrorResult(pendingActionResult[1])\n ? pendingActionResult[1].error\n : undefined;\n\n // Process loader results into state.loaderData/state.errors\n results.forEach((result, index) => {\n let id = matchesToLoad[index].route.id;\n invariant(\n !isRedirectResult(result),\n \"Cannot handle redirect results in processLoaderData\"\n );\n if (isErrorResult(result)) {\n let error = result.error;\n // If we have a pending action error, we report it at the highest-route\n // that throws a loader error, and then clear it out to indicate that\n // it was consumed\n if (pendingError !== undefined) {\n error = pendingError;\n pendingError = undefined;\n }\n\n errors = errors || {};\n\n if (skipLoaderErrorBubbling) {\n errors[id] = error;\n } else {\n // Look upwards from the matched route for the closest ancestor error\n // boundary, defaulting to the root match. Prefer higher error values\n // if lower errors bubble to the same boundary\n let boundaryMatch = findNearestBoundary(matches, id);\n if (errors[boundaryMatch.route.id] == null) {\n errors[boundaryMatch.route.id] = error;\n }\n }\n\n // Clear our any prior loaderData for the throwing route\n loaderData[id] = undefined;\n\n // Once we find our first (highest) error, we set the status code and\n // prevent deeper status codes from overriding\n if (!foundError) {\n foundError = true;\n statusCode = isRouteErrorResponse(result.error)\n ? result.error.status\n : 500;\n }\n if (result.headers) {\n loaderHeaders[id] = result.headers;\n }\n } else {\n if (isDeferredResult(result)) {\n activeDeferreds.set(id, result.deferredData);\n loaderData[id] = result.deferredData.data;\n // Error status codes always override success status codes, but if all\n // loaders are successful we take the deepest status code.\n if (\n result.statusCode != null &&\n result.statusCode !== 200 &&\n !foundError\n ) {\n statusCode = result.statusCode;\n }\n if (result.headers) {\n loaderHeaders[id] = result.headers;\n }\n } else {\n loaderData[id] = result.data;\n // Error status codes always override success status codes, but if all\n // loaders are successful we take the deepest status code.\n if (result.statusCode && result.statusCode !== 200 && !foundError) {\n statusCode = result.statusCode;\n }\n if (result.headers) {\n loaderHeaders[id] = result.headers;\n }\n }\n }\n });\n\n // If we didn't consume the pending action error (i.e., all loaders\n // resolved), then consume it here. Also clear out any loaderData for the\n // throwing route\n if (pendingError !== undefined && pendingActionResult) {\n errors = { [pendingActionResult[0]]: pendingError };\n loaderData[pendingActionResult[0]] = undefined;\n }\n\n return {\n loaderData,\n errors,\n statusCode: statusCode || 200,\n loaderHeaders,\n };\n}\n\nfunction processLoaderData(\n state: RouterState,\n matches: AgnosticDataRouteMatch[],\n matchesToLoad: AgnosticDataRouteMatch[],\n results: DataResult[],\n pendingActionResult: PendingActionResult | undefined,\n revalidatingFetchers: RevalidatingFetcher[],\n fetcherResults: DataResult[],\n activeDeferreds: Map\n): {\n loaderData: RouterState[\"loaderData\"];\n errors?: RouterState[\"errors\"];\n} {\n let { loaderData, errors } = processRouteLoaderData(\n matches,\n matchesToLoad,\n results,\n pendingActionResult,\n activeDeferreds,\n false // This method is only called client side so we always want to bubble\n );\n\n // Process results from our revalidating fetchers\n for (let index = 0; index < revalidatingFetchers.length; index++) {\n let { key, match, controller } = revalidatingFetchers[index];\n invariant(\n fetcherResults !== undefined && fetcherResults[index] !== undefined,\n \"Did not find corresponding fetcher result\"\n );\n let result = fetcherResults[index];\n\n // Process fetcher non-redirect errors\n if (controller && controller.signal.aborted) {\n // Nothing to do for aborted fetchers\n continue;\n } else if (isErrorResult(result)) {\n let boundaryMatch = findNearestBoundary(state.matches, match?.route.id);\n if (!(errors && errors[boundaryMatch.route.id])) {\n errors = {\n ...errors,\n [boundaryMatch.route.id]: result.error,\n };\n }\n state.fetchers.delete(key);\n } else if (isRedirectResult(result)) {\n // Should never get here, redirects should get processed above, but we\n // keep this to type narrow to a success result in the else\n invariant(false, \"Unhandled fetcher revalidation redirect\");\n } else if (isDeferredResult(result)) {\n // Should never get here, deferred data should be awaited for fetchers\n // in resolveDeferredResults\n invariant(false, \"Unhandled fetcher deferred data\");\n } else {\n let doneFetcher = getDoneFetcher(result.data);\n state.fetchers.set(key, doneFetcher);\n }\n }\n\n return { loaderData, errors };\n}\n\nfunction mergeLoaderData(\n loaderData: RouteData,\n newLoaderData: RouteData,\n matches: AgnosticDataRouteMatch[],\n errors: RouteData | null | undefined\n): RouteData {\n let mergedLoaderData = { ...newLoaderData };\n for (let match of matches) {\n let id = match.route.id;\n if (newLoaderData.hasOwnProperty(id)) {\n if (newLoaderData[id] !== undefined) {\n mergedLoaderData[id] = newLoaderData[id];\n } else {\n // No-op - this is so we ignore existing data if we have a key in the\n // incoming object with an undefined value, which is how we unset a prior\n // loaderData if we encounter a loader error\n }\n } else if (loaderData[id] !== undefined && match.route.loader) {\n // Preserve existing keys not included in newLoaderData and where a loader\n // wasn't removed by HMR\n mergedLoaderData[id] = loaderData[id];\n }\n\n if (errors && errors.hasOwnProperty(id)) {\n // Don't keep any loader data below the boundary\n break;\n }\n }\n return mergedLoaderData;\n}\n\nfunction getActionDataForCommit(\n pendingActionResult: PendingActionResult | undefined\n) {\n if (!pendingActionResult) {\n return {};\n }\n return isErrorResult(pendingActionResult[1])\n ? {\n // Clear out prior actionData on errors\n actionData: {},\n }\n : {\n actionData: {\n [pendingActionResult[0]]: pendingActionResult[1].data,\n },\n };\n}\n\n// Find the nearest error boundary, looking upwards from the leaf route (or the\n// route specified by routeId) for the closest ancestor error boundary,\n// defaulting to the root match\nfunction findNearestBoundary(\n matches: AgnosticDataRouteMatch[],\n routeId?: string\n): AgnosticDataRouteMatch {\n let eligibleMatches = routeId\n ? matches.slice(0, matches.findIndex((m) => m.route.id === routeId) + 1)\n : [...matches];\n return (\n eligibleMatches.reverse().find((m) => m.route.hasErrorBoundary === true) ||\n matches[0]\n );\n}\n\nfunction getShortCircuitMatches(routes: AgnosticDataRouteObject[]): {\n matches: AgnosticDataRouteMatch[];\n route: AgnosticDataRouteObject;\n} {\n // Prefer a root layout route if present, otherwise shim in a route object\n let route =\n routes.length === 1\n ? routes[0]\n : routes.find((r) => r.index || !r.path || r.path === \"/\") || {\n id: `__shim-error-route__`,\n };\n\n return {\n matches: [\n {\n params: {},\n pathname: \"\",\n pathnameBase: \"\",\n route,\n },\n ],\n route,\n };\n}\n\nfunction getInternalRouterError(\n status: number,\n {\n pathname,\n routeId,\n method,\n type,\n message,\n }: {\n pathname?: string;\n routeId?: string;\n method?: string;\n type?: \"defer-action\" | \"invalid-body\" | \"route-discovery\";\n message?: string;\n } = {}\n) {\n let statusText = \"Unknown Server Error\";\n let errorMessage = \"Unknown @remix-run/router error\";\n\n if (status === 400) {\n statusText = \"Bad Request\";\n if (type === \"route-discovery\") {\n errorMessage =\n `Unable to match URL \"${pathname}\" - the \\`unstable_patchRoutesOnMiss()\\` ` +\n `function threw the following error:\\n${message}`;\n } else if (method && pathname && routeId) {\n errorMessage =\n `You made a ${method} request to \"${pathname}\" but ` +\n `did not provide a \\`loader\\` for route \"${routeId}\", ` +\n `so there is no way to handle the request.`;\n } else if (type === \"defer-action\") {\n errorMessage = \"defer() is not supported in actions\";\n } else if (type === \"invalid-body\") {\n errorMessage = \"Unable to encode submission body\";\n }\n } else if (status === 403) {\n statusText = \"Forbidden\";\n errorMessage = `Route \"${routeId}\" does not match URL \"${pathname}\"`;\n } else if (status === 404) {\n statusText = \"Not Found\";\n errorMessage = `No route matches URL \"${pathname}\"`;\n } else if (status === 405) {\n statusText = \"Method Not Allowed\";\n if (method && pathname && routeId) {\n errorMessage =\n `You made a ${method.toUpperCase()} request to \"${pathname}\" but ` +\n `did not provide an \\`action\\` for route \"${routeId}\", ` +\n `so there is no way to handle the request.`;\n } else if (method) {\n errorMessage = `Invalid request method \"${method.toUpperCase()}\"`;\n }\n }\n\n return new ErrorResponseImpl(\n status || 500,\n statusText,\n new Error(errorMessage),\n true\n );\n}\n\n// Find any returned redirect errors, starting from the lowest match\nfunction findRedirect(\n results: DataResult[]\n): { result: RedirectResult; idx: number } | undefined {\n for (let i = results.length - 1; i >= 0; i--) {\n let result = results[i];\n if (isRedirectResult(result)) {\n return { result, idx: i };\n }\n }\n}\n\nfunction stripHashFromPath(path: To) {\n let parsedPath = typeof path === \"string\" ? parsePath(path) : path;\n return createPath({ ...parsedPath, hash: \"\" });\n}\n\nfunction isHashChangeOnly(a: Location, b: Location): boolean {\n if (a.pathname !== b.pathname || a.search !== b.search) {\n return false;\n }\n\n if (a.hash === \"\") {\n // /page -> /page#hash\n return b.hash !== \"\";\n } else if (a.hash === b.hash) {\n // /page#hash -> /page#hash\n return true;\n } else if (b.hash !== \"\") {\n // /page#hash -> /page#other\n return true;\n }\n\n // If the hash is removed the browser will re-perform a request to the server\n // /page#hash -> /page\n return false;\n}\n\nfunction isPromise(val: unknown): val is Promise {\n return typeof val === \"object\" && val != null && \"then\" in val;\n}\n\nfunction isHandlerResult(result: unknown): result is HandlerResult {\n return (\n result != null &&\n typeof result === \"object\" &&\n \"type\" in result &&\n \"result\" in result &&\n (result.type === ResultType.data || result.type === ResultType.error)\n );\n}\n\nfunction isRedirectHandlerResult(result: HandlerResult) {\n return (\n isResponse(result.result) && redirectStatusCodes.has(result.result.status)\n );\n}\n\nfunction isDeferredResult(result: DataResult): result is DeferredResult {\n return result.type === ResultType.deferred;\n}\n\nfunction isErrorResult(result: DataResult): result is ErrorResult {\n return result.type === ResultType.error;\n}\n\nfunction isRedirectResult(result?: DataResult): result is RedirectResult {\n return (result && result.type) === ResultType.redirect;\n}\n\nexport function isDeferredData(value: any): value is DeferredData {\n let deferred: DeferredData = value;\n return (\n deferred &&\n typeof deferred === \"object\" &&\n typeof deferred.data === \"object\" &&\n typeof deferred.subscribe === \"function\" &&\n typeof deferred.cancel === \"function\" &&\n typeof deferred.resolveData === \"function\"\n );\n}\n\nfunction isResponse(value: any): value is Response {\n return (\n value != null &&\n typeof value.status === \"number\" &&\n typeof value.statusText === \"string\" &&\n typeof value.headers === \"object\" &&\n typeof value.body !== \"undefined\"\n );\n}\n\nfunction isRedirectResponse(result: any): result is Response {\n if (!isResponse(result)) {\n return false;\n }\n\n let status = result.status;\n let location = result.headers.get(\"Location\");\n return status >= 300 && status <= 399 && location != null;\n}\n\nfunction isValidMethod(method: string): method is FormMethod | V7_FormMethod {\n return validRequestMethods.has(method.toLowerCase() as FormMethod);\n}\n\nfunction isMutationMethod(\n method: string\n): method is MutationFormMethod | V7_MutationFormMethod {\n return validMutationMethods.has(method.toLowerCase() as MutationFormMethod);\n}\n\nasync function resolveDeferredResults(\n currentMatches: AgnosticDataRouteMatch[],\n matchesToLoad: (AgnosticDataRouteMatch | null)[],\n results: DataResult[],\n signals: (AbortSignal | null)[],\n isFetcher: boolean,\n currentLoaderData?: RouteData\n) {\n for (let index = 0; index < results.length; index++) {\n let result = results[index];\n let match = matchesToLoad[index];\n // If we don't have a match, then we can have a deferred result to do\n // anything with. This is for revalidating fetchers where the route was\n // removed during HMR\n if (!match) {\n continue;\n }\n\n let currentMatch = currentMatches.find(\n (m) => m.route.id === match!.route.id\n );\n let isRevalidatingLoader =\n currentMatch != null &&\n !isNewRouteInstance(currentMatch, match) &&\n (currentLoaderData && currentLoaderData[match.route.id]) !== undefined;\n\n if (isDeferredResult(result) && (isFetcher || isRevalidatingLoader)) {\n // Note: we do not have to touch activeDeferreds here since we race them\n // against the signal in resolveDeferredData and they'll get aborted\n // there if needed\n let signal = signals[index];\n invariant(\n signal,\n \"Expected an AbortSignal for revalidating fetcher deferred result\"\n );\n await resolveDeferredData(result, signal, isFetcher).then((result) => {\n if (result) {\n results[index] = result || results[index];\n }\n });\n }\n }\n}\n\nasync function resolveDeferredData(\n result: DeferredResult,\n signal: AbortSignal,\n unwrap = false\n): Promise {\n let aborted = await result.deferredData.resolveData(signal);\n if (aborted) {\n return;\n }\n\n if (unwrap) {\n try {\n return {\n type: ResultType.data,\n data: result.deferredData.unwrappedData,\n };\n } catch (e) {\n // Handle any TrackedPromise._error values encountered while unwrapping\n return {\n type: ResultType.error,\n error: e,\n };\n }\n }\n\n return {\n type: ResultType.data,\n data: result.deferredData.data,\n };\n}\n\nfunction hasNakedIndexQuery(search: string): boolean {\n return new URLSearchParams(search).getAll(\"index\").some((v) => v === \"\");\n}\n\nfunction getTargetMatch(\n matches: AgnosticDataRouteMatch[],\n location: Location | string\n) {\n let search =\n typeof location === \"string\" ? parsePath(location).search : location.search;\n if (\n matches[matches.length - 1].route.index &&\n hasNakedIndexQuery(search || \"\")\n ) {\n // Return the leaf index route when index is present\n return matches[matches.length - 1];\n }\n // Otherwise grab the deepest \"path contributing\" match (ignoring index and\n // pathless layout routes)\n let pathMatches = getPathContributingMatches(matches);\n return pathMatches[pathMatches.length - 1];\n}\n\nfunction getSubmissionFromNavigation(\n navigation: Navigation\n): Submission | undefined {\n let { formMethod, formAction, formEncType, text, formData, json } =\n navigation;\n if (!formMethod || !formAction || !formEncType) {\n return;\n }\n\n if (text != null) {\n return {\n formMethod,\n formAction,\n formEncType,\n formData: undefined,\n json: undefined,\n text,\n };\n } else if (formData != null) {\n return {\n formMethod,\n formAction,\n formEncType,\n formData,\n json: undefined,\n text: undefined,\n };\n } else if (json !== undefined) {\n return {\n formMethod,\n formAction,\n formEncType,\n formData: undefined,\n json,\n text: undefined,\n };\n }\n}\n\nfunction getLoadingNavigation(\n location: Location,\n submission?: Submission\n): NavigationStates[\"Loading\"] {\n if (submission) {\n let navigation: NavigationStates[\"Loading\"] = {\n state: \"loading\",\n location,\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text,\n };\n return navigation;\n } else {\n let navigation: NavigationStates[\"Loading\"] = {\n state: \"loading\",\n location,\n formMethod: undefined,\n formAction: undefined,\n formEncType: undefined,\n formData: undefined,\n json: undefined,\n text: undefined,\n };\n return navigation;\n }\n}\n\nfunction getSubmittingNavigation(\n location: Location,\n submission: Submission\n): NavigationStates[\"Submitting\"] {\n let navigation: NavigationStates[\"Submitting\"] = {\n state: \"submitting\",\n location,\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text,\n };\n return navigation;\n}\n\nfunction getLoadingFetcher(\n submission?: Submission,\n data?: Fetcher[\"data\"]\n): FetcherStates[\"Loading\"] {\n if (submission) {\n let fetcher: FetcherStates[\"Loading\"] = {\n state: \"loading\",\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text,\n data,\n };\n return fetcher;\n } else {\n let fetcher: FetcherStates[\"Loading\"] = {\n state: \"loading\",\n formMethod: undefined,\n formAction: undefined,\n formEncType: undefined,\n formData: undefined,\n json: undefined,\n text: undefined,\n data,\n };\n return fetcher;\n }\n}\n\nfunction getSubmittingFetcher(\n submission: Submission,\n existingFetcher?: Fetcher\n): FetcherStates[\"Submitting\"] {\n let fetcher: FetcherStates[\"Submitting\"] = {\n state: \"submitting\",\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text,\n data: existingFetcher ? existingFetcher.data : undefined,\n };\n return fetcher;\n}\n\nfunction getDoneFetcher(data: Fetcher[\"data\"]): FetcherStates[\"Idle\"] {\n let fetcher: FetcherStates[\"Idle\"] = {\n state: \"idle\",\n formMethod: undefined,\n formAction: undefined,\n formEncType: undefined,\n formData: undefined,\n json: undefined,\n text: undefined,\n data,\n };\n return fetcher;\n}\n\nfunction restoreAppliedTransitions(\n _window: Window,\n transitions: Map>\n) {\n try {\n let sessionPositions = _window.sessionStorage.getItem(\n TRANSITIONS_STORAGE_KEY\n );\n if (sessionPositions) {\n let json = JSON.parse(sessionPositions);\n for (let [k, v] of Object.entries(json || {})) {\n if (v && Array.isArray(v)) {\n transitions.set(k, new Set(v || []));\n }\n }\n }\n } catch (e) {\n // no-op, use default empty object\n }\n}\n\nfunction persistAppliedTransitions(\n _window: Window,\n transitions: Map>\n) {\n if (transitions.size > 0) {\n let json: Record = {};\n for (let [k, v] of transitions) {\n json[k] = [...v];\n }\n try {\n _window.sessionStorage.setItem(\n TRANSITIONS_STORAGE_KEY,\n JSON.stringify(json)\n );\n } catch (error) {\n warning(\n false,\n `Failed to save applied view transitions in sessionStorage (${error}).`\n );\n }\n }\n}\n//#endregion\n","import type { MeasurementUnit, Span } from '@sentry/types';\nimport type { MetricSummary } from '@sentry/types';\nimport type { Primitive } from '@sentry/types';\nimport { dropUndefinedKeys } from '@sentry/utils';\nimport { getActiveSpan } from '../tracing';\nimport type { MetricType } from './types';\n\n/**\n * key: bucketKey\n * value: [exportKey, MetricSummary]\n */\ntype MetricSummaryStorage = Map;\n\nlet SPAN_METRIC_SUMMARY: WeakMap | undefined;\n\nfunction getMetricStorageForSpan(span: Span): MetricSummaryStorage | undefined {\n return SPAN_METRIC_SUMMARY ? SPAN_METRIC_SUMMARY.get(span) : undefined;\n}\n\n/**\n * Fetches the metric summary if it exists for the passed span\n */\nexport function getMetricSummaryJsonForSpan(span: Span): Record> | undefined {\n const storage = getMetricStorageForSpan(span);\n\n if (!storage) {\n return undefined;\n }\n const output: Record> = {};\n\n for (const [, [exportKey, summary]] of storage) {\n if (!output[exportKey]) {\n output[exportKey] = [];\n }\n\n output[exportKey].push(dropUndefinedKeys(summary));\n }\n\n return output;\n}\n\n/**\n * Updates the metric summary on the currently active span\n */\nexport function updateMetricSummaryOnActiveSpan(\n metricType: MetricType,\n sanitizedName: string,\n value: number,\n unit: MeasurementUnit,\n tags: Record,\n bucketKey: string,\n): void {\n const span = getActiveSpan();\n if (span) {\n const storage = getMetricStorageForSpan(span) || new Map();\n\n const exportKey = `${metricType}:${sanitizedName}@${unit}`;\n const bucketItem = storage.get(bucketKey);\n\n if (bucketItem) {\n const [, summary] = bucketItem;\n storage.set(bucketKey, [\n exportKey,\n {\n min: Math.min(summary.min, value),\n max: Math.max(summary.max, value),\n count: (summary.count += 1),\n sum: (summary.sum += value),\n tags: summary.tags,\n },\n ]);\n } else {\n storage.set(bucketKey, [\n exportKey,\n {\n min: value,\n max: value,\n count: 1,\n sum: value,\n tags,\n },\n ]);\n }\n\n if (!SPAN_METRIC_SUMMARY) {\n SPAN_METRIC_SUMMARY = new WeakMap();\n }\n\n SPAN_METRIC_SUMMARY.set(span, storage);\n }\n}\n","import type { Span } from '@sentry/types';\n\n/** The status of an Span.\n *\n * @deprecated Use string literals - if you require type casting, cast to SpanStatusType type\n */\nexport enum SpanStatus {\n /** The operation completed successfully. */\n Ok = 'ok',\n /** Deadline expired before operation could complete. */\n DeadlineExceeded = 'deadline_exceeded',\n /** 401 Unauthorized (actually does mean unauthenticated according to RFC 7235) */\n Unauthenticated = 'unauthenticated',\n /** 403 Forbidden */\n PermissionDenied = 'permission_denied',\n /** 404 Not Found. Some requested entity (file or directory) was not found. */\n NotFound = 'not_found',\n /** 429 Too Many Requests */\n ResourceExhausted = 'resource_exhausted',\n /** Client specified an invalid argument. 4xx. */\n InvalidArgument = 'invalid_argument',\n /** 501 Not Implemented */\n Unimplemented = 'unimplemented',\n /** 503 Service Unavailable */\n Unavailable = 'unavailable',\n /** Other/generic 5xx. */\n InternalError = 'internal_error',\n /** Unknown. Any non-standard HTTP status code. */\n UnknownError = 'unknown_error',\n /** The operation was cancelled (typically by the user). */\n Cancelled = 'cancelled',\n /** Already exists (409) */\n AlreadyExists = 'already_exists',\n /** Operation was rejected because the system is not in a state required for the operation's */\n FailedPrecondition = 'failed_precondition',\n /** The operation was aborted, typically due to a concurrency issue. */\n Aborted = 'aborted',\n /** Operation was attempted past the valid range. */\n OutOfRange = 'out_of_range',\n /** Unrecoverable data loss or corruption */\n DataLoss = 'data_loss',\n}\n\nexport type SpanStatusType =\n /** The operation completed successfully. */\n | 'ok'\n /** Deadline expired before operation could complete. */\n | 'deadline_exceeded'\n /** 401 Unauthorized (actually does mean unauthenticated according to RFC 7235) */\n | 'unauthenticated'\n /** 403 Forbidden */\n | 'permission_denied'\n /** 404 Not Found. Some requested entity (file or directory) was not found. */\n | 'not_found'\n /** 429 Too Many Requests */\n | 'resource_exhausted'\n /** Client specified an invalid argument. 4xx. */\n | 'invalid_argument'\n /** 501 Not Implemented */\n | 'unimplemented'\n /** 503 Service Unavailable */\n | 'unavailable'\n /** Other/generic 5xx. */\n | 'internal_error'\n /** Unknown. Any non-standard HTTP status code. */\n | 'unknown_error'\n /** The operation was cancelled (typically by the user). */\n | 'cancelled'\n /** Already exists (409) */\n | 'already_exists'\n /** Operation was rejected because the system is not in a state required for the operation's */\n | 'failed_precondition'\n /** The operation was aborted, typically due to a concurrency issue. */\n | 'aborted'\n /** Operation was attempted past the valid range. */\n | 'out_of_range'\n /** Unrecoverable data loss or corruption */\n | 'data_loss';\n\n/**\n * Converts a HTTP status code into a {@link SpanStatusType}.\n *\n * @param httpStatus The HTTP response status code.\n * @returns The span status or unknown_error.\n */\nexport function getSpanStatusFromHttpCode(httpStatus: number): SpanStatusType {\n if (httpStatus < 400 && httpStatus >= 100) {\n return 'ok';\n }\n\n if (httpStatus >= 400 && httpStatus < 500) {\n switch (httpStatus) {\n case 401:\n return 'unauthenticated';\n case 403:\n return 'permission_denied';\n case 404:\n return 'not_found';\n case 409:\n return 'already_exists';\n case 413:\n return 'failed_precondition';\n case 429:\n return 'resource_exhausted';\n default:\n return 'invalid_argument';\n }\n }\n\n if (httpStatus >= 500 && httpStatus < 600) {\n switch (httpStatus) {\n case 501:\n return 'unimplemented';\n case 503:\n return 'unavailable';\n case 504:\n return 'deadline_exceeded';\n default:\n return 'internal_error';\n }\n }\n\n return 'unknown_error';\n}\n\n/**\n * Converts a HTTP status code into a {@link SpanStatusType}.\n *\n * @deprecated Use {@link spanStatusFromHttpCode} instead.\n * This export will be removed in v8 as the signature contains a typo.\n *\n * @param httpStatus The HTTP response status code.\n * @returns The span status or unknown_error.\n */\nexport const spanStatusfromHttpCode = getSpanStatusFromHttpCode;\n\n/**\n * Sets the Http status attributes on the current span based on the http code.\n * Additionally, the span's status is updated, depending on the http code.\n */\nexport function setHttpStatus(span: Span, httpStatus: number): void {\n // TODO (v8): Remove these calls\n // Relay does not require us to send the status code as a tag\n // For now, just because users might expect it to land as a tag we keep sending it.\n // Same with data.\n // In v8, we replace both, simply with\n // span.setAttribute('http.response.status_code', httpStatus);\n\n // eslint-disable-next-line deprecation/deprecation\n span.setTag('http.status_code', String(httpStatus));\n // eslint-disable-next-line deprecation/deprecation\n span.setData('http.response.status_code', httpStatus);\n\n const spanStatus = getSpanStatusFromHttpCode(httpStatus);\n if (spanStatus !== 'unknown_error') {\n span.setStatus(spanStatus);\n }\n}\n","/* eslint-disable max-lines */\nimport type {\n Instrumenter,\n Measurements,\n Primitive,\n Span as SpanInterface,\n SpanAttributeValue,\n SpanAttributes,\n SpanContext,\n SpanContextData,\n SpanJSON,\n SpanOrigin,\n SpanTimeInput,\n TraceContext,\n Transaction,\n} from '@sentry/types';\nimport { dropUndefinedKeys, logger, timestampInSeconds, uuid4 } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { getMetricSummaryJsonForSpan } from '../metrics/metric-summary';\nimport {\n SEMANTIC_ATTRIBUTE_PROFILE_ID,\n SEMANTIC_ATTRIBUTE_SENTRY_OP,\n SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,\n} from '../semanticAttributes';\nimport { getRootSpan } from '../utils/getRootSpan';\nimport {\n TRACE_FLAG_NONE,\n TRACE_FLAG_SAMPLED,\n spanTimeInputToSeconds,\n spanToJSON,\n spanToTraceContext,\n spanToTraceHeader,\n} from '../utils/spanUtils';\nimport type { SpanStatusType } from './spanstatus';\nimport { setHttpStatus } from './spanstatus';\n\n/**\n * Keeps track of finished spans for a given transaction\n * @internal\n * @hideconstructor\n * @hidden\n */\nexport class SpanRecorder {\n public spans: Span[];\n\n private readonly _maxlen: number;\n\n public constructor(maxlen: number = 1000) {\n this._maxlen = maxlen;\n this.spans = [];\n }\n\n /**\n * This is just so that we don't run out of memory while recording a lot\n * of spans. At some point we just stop and flush out the start of the\n * trace tree (i.e.the first n spans with the smallest\n * start_timestamp).\n */\n public add(span: Span): void {\n if (this.spans.length > this._maxlen) {\n // eslint-disable-next-line deprecation/deprecation\n span.spanRecorder = undefined;\n } else {\n this.spans.push(span);\n }\n }\n}\n\n/**\n * Span contains all data about a span\n */\nexport class Span implements SpanInterface {\n /**\n * Tags for the span.\n * @deprecated Use `spanToJSON(span).atttributes` instead.\n */\n public tags: { [key: string]: Primitive };\n\n /**\n * Data for the span.\n * @deprecated Use `spanToJSON(span).atttributes` instead.\n */\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n public data: { [key: string]: any };\n\n /**\n * List of spans that were finalized\n *\n * @deprecated This property will no longer be public. Span recording will be handled internally.\n */\n public spanRecorder?: SpanRecorder;\n\n /**\n * @inheritDoc\n * @deprecated Use top level `Sentry.getRootSpan()` instead\n */\n public transaction?: Transaction;\n\n /**\n * The instrumenter that created this span.\n *\n * TODO (v8): This can probably be replaced by an `instanceOf` check of the span class.\n * the instrumenter can only be sentry or otel so we can check the span instance\n * to verify which one it is and remove this field entirely.\n *\n * @deprecated This field will be removed.\n */\n public instrumenter: Instrumenter;\n\n protected _traceId: string;\n protected _spanId: string;\n protected _parentSpanId?: string | undefined;\n protected _sampled: boolean | undefined;\n protected _name?: string | undefined;\n protected _attributes: SpanAttributes;\n /** Epoch timestamp in seconds when the span started. */\n protected _startTime: number;\n /** Epoch timestamp in seconds when the span ended. */\n protected _endTime?: number | undefined;\n /** Internal keeper of the status */\n protected _status?: SpanStatusType | string | undefined;\n protected _exclusiveTime?: number;\n\n protected _measurements: Measurements;\n\n private _logMessage?: string;\n\n /**\n * You should never call the constructor manually, always use `Sentry.startTransaction()`\n * or call `startChild()` on an existing span.\n * @internal\n * @hideconstructor\n * @hidden\n */\n public constructor(spanContext: SpanContext = {}) {\n this._traceId = spanContext.traceId || uuid4();\n this._spanId = spanContext.spanId || uuid4().substring(16);\n this._startTime = spanContext.startTimestamp || timestampInSeconds();\n // eslint-disable-next-line deprecation/deprecation\n this.tags = spanContext.tags ? { ...spanContext.tags } : {};\n // eslint-disable-next-line deprecation/deprecation\n this.data = spanContext.data ? { ...spanContext.data } : {};\n // eslint-disable-next-line deprecation/deprecation\n this.instrumenter = spanContext.instrumenter || 'sentry';\n\n this._attributes = {};\n this.setAttributes({\n [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: spanContext.origin || 'manual',\n [SEMANTIC_ATTRIBUTE_SENTRY_OP]: spanContext.op,\n ...spanContext.attributes,\n });\n\n // eslint-disable-next-line deprecation/deprecation\n this._name = spanContext.name || spanContext.description;\n\n if (spanContext.parentSpanId) {\n this._parentSpanId = spanContext.parentSpanId;\n }\n // We want to include booleans as well here\n if ('sampled' in spanContext) {\n this._sampled = spanContext.sampled;\n }\n if (spanContext.status) {\n this._status = spanContext.status;\n }\n if (spanContext.endTimestamp) {\n this._endTime = spanContext.endTimestamp;\n }\n if (spanContext.exclusiveTime !== undefined) {\n this._exclusiveTime = spanContext.exclusiveTime;\n }\n this._measurements = spanContext.measurements ? { ...spanContext.measurements } : {};\n }\n\n // This rule conflicts with another eslint rule :(\n /* eslint-disable @typescript-eslint/member-ordering */\n\n /**\n * An alias for `description` of the Span.\n * @deprecated Use `spanToJSON(span).description` instead.\n */\n public get name(): string {\n return this._name || '';\n }\n\n /**\n * Update the name of the span.\n * @deprecated Use `spanToJSON(span).description` instead.\n */\n public set name(name: string) {\n this.updateName(name);\n }\n\n /**\n * Get the description of the Span.\n * @deprecated Use `spanToJSON(span).description` instead.\n */\n public get description(): string | undefined {\n return this._name;\n }\n\n /**\n * Get the description of the Span.\n * @deprecated Use `spanToJSON(span).description` instead.\n */\n public set description(description: string | undefined) {\n this._name = description;\n }\n\n /**\n * The ID of the trace.\n * @deprecated Use `spanContext().traceId` instead.\n */\n public get traceId(): string {\n return this._traceId;\n }\n\n /**\n * The ID of the trace.\n * @deprecated You cannot update the traceId of a span after span creation.\n */\n public set traceId(traceId: string) {\n this._traceId = traceId;\n }\n\n /**\n * The ID of the span.\n * @deprecated Use `spanContext().spanId` instead.\n */\n public get spanId(): string {\n return this._spanId;\n }\n\n /**\n * The ID of the span.\n * @deprecated You cannot update the spanId of a span after span creation.\n */\n public set spanId(spanId: string) {\n this._spanId = spanId;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `startSpan` functions instead.\n */\n public set parentSpanId(string) {\n this._parentSpanId = string;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `spanToJSON(span).parent_span_id` instead.\n */\n public get parentSpanId(): string | undefined {\n return this._parentSpanId;\n }\n\n /**\n * Was this span chosen to be sent as part of the sample?\n * @deprecated Use `isRecording()` instead.\n */\n public get sampled(): boolean | undefined {\n return this._sampled;\n }\n\n /**\n * Was this span chosen to be sent as part of the sample?\n * @deprecated You cannot update the sampling decision of a span after span creation.\n */\n public set sampled(sampled: boolean | undefined) {\n this._sampled = sampled;\n }\n\n /**\n * Attributes for the span.\n * @deprecated Use `spanToJSON(span).atttributes` instead.\n */\n public get attributes(): SpanAttributes {\n return this._attributes;\n }\n\n /**\n * Attributes for the span.\n * @deprecated Use `setAttributes()` instead.\n */\n public set attributes(attributes: SpanAttributes) {\n this._attributes = attributes;\n }\n\n /**\n * Timestamp in seconds (epoch time) indicating when the span started.\n * @deprecated Use `spanToJSON()` instead.\n */\n public get startTimestamp(): number {\n return this._startTime;\n }\n\n /**\n * Timestamp in seconds (epoch time) indicating when the span started.\n * @deprecated In v8, you will not be able to update the span start time after creation.\n */\n public set startTimestamp(startTime: number) {\n this._startTime = startTime;\n }\n\n /**\n * Timestamp in seconds when the span ended.\n * @deprecated Use `spanToJSON()` instead.\n */\n public get endTimestamp(): number | undefined {\n return this._endTime;\n }\n\n /**\n * Timestamp in seconds when the span ended.\n * @deprecated Set the end time via `span.end()` instead.\n */\n public set endTimestamp(endTime: number | undefined) {\n this._endTime = endTime;\n }\n\n /**\n * The status of the span.\n *\n * @deprecated Use `spanToJSON().status` instead to get the status.\n */\n public get status(): SpanStatusType | string | undefined {\n return this._status;\n }\n\n /**\n * The status of the span.\n *\n * @deprecated Use `.setStatus()` instead to set or update the status.\n */\n public set status(status: SpanStatusType | string | undefined) {\n this._status = status;\n }\n\n /**\n * Operation of the span\n *\n * @deprecated Use `spanToJSON().op` to read the op instead.\n */\n public get op(): string | undefined {\n return this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_OP] as string | undefined;\n }\n\n /**\n * Operation of the span\n *\n * @deprecated Use `startSpan()` functions to set or `span.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_OP, 'op')\n * to update the span instead.\n */\n public set op(op: string | undefined) {\n this.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_OP, op);\n }\n\n /**\n * The origin of the span, giving context about what created the span.\n *\n * @deprecated Use `spanToJSON().origin` to read the origin instead.\n */\n public get origin(): SpanOrigin | undefined {\n return this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN] as SpanOrigin | undefined;\n }\n\n /**\n * The origin of the span, giving context about what created the span.\n *\n * @deprecated Use `startSpan()` functions to set the origin instead.\n */\n public set origin(origin: SpanOrigin | undefined) {\n this.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN, origin);\n }\n\n /* eslint-enable @typescript-eslint/member-ordering */\n\n /** @inheritdoc */\n public spanContext(): SpanContextData {\n const { _spanId: spanId, _traceId: traceId, _sampled: sampled } = this;\n return {\n spanId,\n traceId,\n traceFlags: sampled ? TRACE_FLAG_SAMPLED : TRACE_FLAG_NONE,\n };\n }\n\n /**\n * Creates a new `Span` while setting the current `Span.id` as `parentSpanId`.\n * Also the `sampled` decision will be inherited.\n *\n * @deprecated Use `startSpan()`, `startSpanManual()` or `startInactiveSpan()` instead.\n */\n public startChild(\n spanContext?: Pick>,\n ): SpanInterface {\n const childSpan = new Span({\n ...spanContext,\n parentSpanId: this._spanId,\n sampled: this._sampled,\n traceId: this._traceId,\n });\n\n // eslint-disable-next-line deprecation/deprecation\n childSpan.spanRecorder = this.spanRecorder;\n // eslint-disable-next-line deprecation/deprecation\n if (childSpan.spanRecorder) {\n // eslint-disable-next-line deprecation/deprecation\n childSpan.spanRecorder.add(childSpan);\n }\n\n const rootSpan = getRootSpan(this);\n // TODO: still set span.transaction here until we have a more permanent solution\n // Probably similarly to the weakmap we hold in node-experimental\n // eslint-disable-next-line deprecation/deprecation\n childSpan.transaction = rootSpan as Transaction;\n\n if (DEBUG_BUILD && rootSpan) {\n const opStr = (spanContext && spanContext.op) || '< unknown op >';\n const nameStr = spanToJSON(childSpan).description || '< unknown name >';\n const idStr = rootSpan.spanContext().spanId;\n\n const logMessage = `[Tracing] Starting '${opStr}' span on transaction '${nameStr}' (${idStr}).`;\n logger.log(logMessage);\n this._logMessage = logMessage;\n }\n\n return childSpan;\n }\n\n /**\n * Sets the tag attribute on the current span.\n *\n * Can also be used to unset a tag, by passing `undefined`.\n *\n * @param key Tag key\n * @param value Tag value\n * @deprecated Use `setAttribute()` instead.\n */\n public setTag(key: string, value: Primitive): this {\n // eslint-disable-next-line deprecation/deprecation\n this.tags = { ...this.tags, [key]: value };\n return this;\n }\n\n /**\n * Sets the data attribute on the current span\n * @param key Data key\n * @param value Data value\n * @deprecated Use `setAttribute()` instead.\n */\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n public setData(key: string, value: any): this {\n // eslint-disable-next-line deprecation/deprecation\n this.data = { ...this.data, [key]: value };\n return this;\n }\n\n /** @inheritdoc */\n public setAttribute(key: string, value: SpanAttributeValue | undefined): void {\n if (value === undefined) {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete this._attributes[key];\n } else {\n this._attributes[key] = value;\n }\n }\n\n /** @inheritdoc */\n public setAttributes(attributes: SpanAttributes): void {\n Object.keys(attributes).forEach(key => this.setAttribute(key, attributes[key]));\n }\n\n /**\n * @inheritDoc\n */\n public setStatus(value: SpanStatusType): this {\n this._status = value;\n return this;\n }\n\n /**\n * @inheritDoc\n * @deprecated Use top-level `setHttpStatus()` instead.\n */\n public setHttpStatus(httpStatus: number): this {\n setHttpStatus(this, httpStatus);\n return this;\n }\n\n /**\n * @inheritdoc\n *\n * @deprecated Use `.updateName()` instead.\n */\n public setName(name: string): void {\n this.updateName(name);\n }\n\n /**\n * @inheritDoc\n */\n public updateName(name: string): this {\n this._name = name;\n return this;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `spanToJSON(span).status === 'ok'` instead.\n */\n public isSuccess(): boolean {\n return this._status === 'ok';\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `.end()` instead.\n */\n public finish(endTimestamp?: number): void {\n return this.end(endTimestamp);\n }\n\n /** @inheritdoc */\n public end(endTimestamp?: SpanTimeInput): void {\n // If already ended, skip\n if (this._endTime) {\n return;\n }\n const rootSpan = getRootSpan(this);\n if (\n DEBUG_BUILD &&\n // Don't call this for transactions\n rootSpan &&\n rootSpan.spanContext().spanId !== this._spanId\n ) {\n const logMessage = this._logMessage;\n if (logMessage) {\n logger.log((logMessage as string).replace('Starting', 'Finishing'));\n }\n }\n\n this._endTime = spanTimeInputToSeconds(endTimestamp);\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `spanToTraceHeader()` instead.\n */\n public toTraceparent(): string {\n return spanToTraceHeader(this);\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `spanToJSON()` or access the fields directly instead.\n */\n public toContext(): SpanContext {\n return dropUndefinedKeys({\n data: this._getData(),\n description: this._name,\n endTimestamp: this._endTime,\n // eslint-disable-next-line deprecation/deprecation\n op: this.op,\n parentSpanId: this._parentSpanId,\n sampled: this._sampled,\n spanId: this._spanId,\n startTimestamp: this._startTime,\n status: this._status,\n // eslint-disable-next-line deprecation/deprecation\n tags: this.tags,\n traceId: this._traceId,\n });\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Update the fields directly instead.\n */\n public updateWithContext(spanContext: SpanContext): this {\n // eslint-disable-next-line deprecation/deprecation\n this.data = spanContext.data || {};\n // eslint-disable-next-line deprecation/deprecation\n this._name = spanContext.name || spanContext.description;\n this._endTime = spanContext.endTimestamp;\n // eslint-disable-next-line deprecation/deprecation\n this.op = spanContext.op;\n this._parentSpanId = spanContext.parentSpanId;\n this._sampled = spanContext.sampled;\n this._spanId = spanContext.spanId || this._spanId;\n this._startTime = spanContext.startTimestamp || this._startTime;\n this._status = spanContext.status;\n // eslint-disable-next-line deprecation/deprecation\n this.tags = spanContext.tags || {};\n this._traceId = spanContext.traceId || this._traceId;\n\n return this;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `spanToTraceContext()` util function instead.\n */\n public getTraceContext(): TraceContext {\n return spanToTraceContext(this);\n }\n\n /**\n * Get JSON representation of this span.\n *\n * @hidden\n * @internal This method is purely for internal purposes and should not be used outside\n * of SDK code. If you need to get a JSON representation of a span,\n * use `spanToJSON(span)` instead.\n */\n public getSpanJSON(): SpanJSON {\n return dropUndefinedKeys({\n data: this._getData(),\n description: this._name,\n op: this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_OP] as string | undefined,\n parent_span_id: this._parentSpanId,\n span_id: this._spanId,\n start_timestamp: this._startTime,\n status: this._status,\n // eslint-disable-next-line deprecation/deprecation\n tags: Object.keys(this.tags).length > 0 ? this.tags : undefined,\n timestamp: this._endTime,\n trace_id: this._traceId,\n origin: this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN] as SpanOrigin | undefined,\n _metrics_summary: getMetricSummaryJsonForSpan(this),\n profile_id: this._attributes[SEMANTIC_ATTRIBUTE_PROFILE_ID] as string | undefined,\n exclusive_time: this._exclusiveTime,\n measurements: Object.keys(this._measurements).length > 0 ? this._measurements : undefined,\n });\n }\n\n /** @inheritdoc */\n public isRecording(): boolean {\n return !this._endTime && !!this._sampled;\n }\n\n /**\n * Convert the object to JSON.\n * @deprecated Use `spanToJSON(span)` instead.\n */\n public toJSON(): SpanJSON {\n return this.getSpanJSON();\n }\n\n /**\n * Get the merged data for this span.\n * For now, this combines `data` and `attributes` together,\n * until eventually we can ingest `attributes` directly.\n */\n private _getData():\n | {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n [key: string]: any;\n }\n | undefined {\n // eslint-disable-next-line deprecation/deprecation\n const { data, _attributes: attributes } = this;\n\n const hasData = Object.keys(data).length > 0;\n const hasAttributes = Object.keys(attributes).length > 0;\n\n if (!hasData && !hasAttributes) {\n return undefined;\n }\n\n if (hasData && hasAttributes) {\n return {\n ...data,\n ...attributes,\n };\n }\n\n return hasData ? data : attributes;\n }\n}\n","import type {\n Context,\n Contexts,\n DynamicSamplingContext,\n MeasurementUnit,\n SpanTimeInput,\n Transaction as TransactionInterface,\n TransactionContext,\n TransactionEvent,\n TransactionMetadata,\n} from '@sentry/types';\nimport { dropUndefinedKeys, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport type { Hub } from '../hub';\nimport { getCurrentHub } from '../hub';\nimport { getMetricSummaryJsonForSpan } from '../metrics/metric-summary';\nimport { SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE, SEMANTIC_ATTRIBUTE_SENTRY_SOURCE } from '../semanticAttributes';\nimport { spanTimeInputToSeconds, spanToJSON, spanToTraceContext } from '../utils/spanUtils';\nimport { getDynamicSamplingContextFromSpan } from './dynamicSamplingContext';\nimport { Span as SpanClass, SpanRecorder } from './span';\nimport { getCapturedScopesOnSpan } from './trace';\n\n/** JSDoc */\nexport class Transaction extends SpanClass implements TransactionInterface {\n /**\n * The reference to the current hub.\n */\n // eslint-disable-next-line deprecation/deprecation\n public _hub: Hub;\n\n protected _name: string;\n\n private _contexts: Contexts;\n\n private _trimEnd?: boolean | undefined;\n\n // DO NOT yet remove this property, it is used in a hack for v7 backwards compatibility.\n private _frozenDynamicSamplingContext: Readonly> | undefined;\n\n private _metadata: Partial;\n\n /**\n * This constructor should never be called manually. Those instrumenting tracing should use\n * `Sentry.startTransaction()`, and internal methods should use `hub.startTransaction()`.\n * @internal\n * @hideconstructor\n * @hidden\n *\n * @deprecated Transactions will be removed in v8. Use spans instead.\n */\n // eslint-disable-next-line deprecation/deprecation\n public constructor(transactionContext: TransactionContext, hub?: Hub) {\n super(transactionContext);\n this._contexts = {};\n\n // eslint-disable-next-line deprecation/deprecation\n this._hub = hub || getCurrentHub();\n\n this._name = transactionContext.name || '';\n\n this._metadata = {\n // eslint-disable-next-line deprecation/deprecation\n ...transactionContext.metadata,\n };\n\n this._trimEnd = transactionContext.trimEnd;\n\n // this is because transactions are also spans, and spans have a transaction pointer\n // TODO (v8): Replace this with another way to set the root span\n // eslint-disable-next-line deprecation/deprecation\n this.transaction = this;\n\n // If Dynamic Sampling Context is provided during the creation of the transaction, we freeze it as it usually means\n // there is incoming Dynamic Sampling Context. (Either through an incoming request, a baggage meta-tag, or other means)\n const incomingDynamicSamplingContext = this._metadata.dynamicSamplingContext;\n if (incomingDynamicSamplingContext) {\n // We shallow copy this in case anything writes to the original reference of the passed in `dynamicSamplingContext`\n this._frozenDynamicSamplingContext = { ...incomingDynamicSamplingContext };\n }\n }\n\n // This sadly conflicts with the getter/setter ordering :(\n /* eslint-disable @typescript-eslint/member-ordering */\n\n /**\n * Getter for `name` property.\n * @deprecated Use `spanToJSON(span).description` instead.\n */\n public get name(): string {\n return this._name;\n }\n\n /**\n * Setter for `name` property, which also sets `source` as custom.\n * @deprecated Use `updateName()` and `setMetadata()` instead.\n */\n public set name(newName: string) {\n // eslint-disable-next-line deprecation/deprecation\n this.setName(newName);\n }\n\n /**\n * Get the metadata for this transaction.\n * @deprecated Use `spanGetMetadata(transaction)` instead.\n */\n public get metadata(): TransactionMetadata {\n // We merge attributes in for backwards compatibility\n return {\n // Defaults\n // eslint-disable-next-line deprecation/deprecation\n source: 'custom',\n spanMetadata: {},\n\n // Legacy metadata\n ...this._metadata,\n\n // From attributes\n ...(this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE] && {\n source: this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE] as TransactionMetadata['source'],\n }),\n ...(this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE] && {\n sampleRate: this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE] as TransactionMetadata['sampleRate'],\n }),\n };\n }\n\n /**\n * Update the metadata for this transaction.\n * @deprecated Use `spanGetMetadata(transaction)` instead.\n */\n public set metadata(metadata: TransactionMetadata) {\n this._metadata = metadata;\n }\n\n /* eslint-enable @typescript-eslint/member-ordering */\n\n /**\n * Setter for `name` property, which also sets `source` on the metadata.\n *\n * @deprecated Use `.updateName()` and `.setAttribute()` instead.\n */\n public setName(name: string, source: TransactionMetadata['source'] = 'custom'): void {\n this._name = name;\n this.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_SOURCE, source);\n }\n\n /** @inheritdoc */\n public updateName(name: string): this {\n this._name = name;\n return this;\n }\n\n /**\n * Attaches SpanRecorder to the span itself\n * @param maxlen maximum number of spans that can be recorded\n */\n public initSpanRecorder(maxlen: number = 1000): void {\n // eslint-disable-next-line deprecation/deprecation\n if (!this.spanRecorder) {\n // eslint-disable-next-line deprecation/deprecation\n this.spanRecorder = new SpanRecorder(maxlen);\n }\n // eslint-disable-next-line deprecation/deprecation\n this.spanRecorder.add(this);\n }\n\n /**\n * Set the context of a transaction event.\n * @deprecated Use either `.setAttribute()`, or set the context on the scope before creating the transaction.\n */\n public setContext(key: string, context: Context | null): void {\n if (context === null) {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete this._contexts[key];\n } else {\n this._contexts[key] = context;\n }\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use top-level `setMeasurement()` instead.\n */\n public setMeasurement(name: string, value: number, unit: MeasurementUnit = ''): void {\n this._measurements[name] = { value, unit };\n }\n\n /**\n * Store metadata on this transaction.\n * @deprecated Use attributes or store data on the scope instead.\n */\n public setMetadata(newMetadata: Partial): void {\n this._metadata = { ...this._metadata, ...newMetadata };\n }\n\n /**\n * @inheritDoc\n */\n public end(endTimestamp?: SpanTimeInput): string | undefined {\n const timestampInS = spanTimeInputToSeconds(endTimestamp);\n const transaction = this._finishTransaction(timestampInS);\n if (!transaction) {\n return undefined;\n }\n // eslint-disable-next-line deprecation/deprecation\n return this._hub.captureEvent(transaction);\n }\n\n /**\n * @inheritDoc\n */\n public toContext(): TransactionContext {\n // eslint-disable-next-line deprecation/deprecation\n const spanContext = super.toContext();\n\n return dropUndefinedKeys({\n ...spanContext,\n name: this._name,\n trimEnd: this._trimEnd,\n });\n }\n\n /**\n * @inheritDoc\n */\n public updateWithContext(transactionContext: TransactionContext): this {\n // eslint-disable-next-line deprecation/deprecation\n super.updateWithContext(transactionContext);\n\n this._name = transactionContext.name || '';\n this._trimEnd = transactionContext.trimEnd;\n\n return this;\n }\n\n /**\n * @inheritdoc\n *\n * @experimental\n *\n * @deprecated Use top-level `getDynamicSamplingContextFromSpan` instead.\n */\n public getDynamicSamplingContext(): Readonly> {\n return getDynamicSamplingContextFromSpan(this);\n }\n\n /**\n * Override the current hub with a new one.\n * Used if you want another hub to finish the transaction.\n *\n * @internal\n */\n // eslint-disable-next-line deprecation/deprecation\n public setHub(hub: Hub): void {\n this._hub = hub;\n }\n\n /**\n * Get the profile id of the transaction.\n */\n public getProfileId(): string | undefined {\n if (this._contexts !== undefined && this._contexts['profile'] !== undefined) {\n return this._contexts['profile'].profile_id as string;\n }\n return undefined;\n }\n\n /**\n * Finish the transaction & prepare the event to send to Sentry.\n */\n protected _finishTransaction(endTimestamp?: number): TransactionEvent | undefined {\n // This transaction is already finished, so we should not flush it again.\n if (this._endTime !== undefined) {\n return undefined;\n }\n\n if (!this._name) {\n DEBUG_BUILD && logger.warn('Transaction has no name, falling back to ``.');\n this._name = '';\n }\n\n // just sets the end timestamp\n super.end(endTimestamp);\n\n // eslint-disable-next-line deprecation/deprecation\n const client = this._hub.getClient();\n if (client && client.emit) {\n client.emit('finishTransaction', this);\n }\n\n if (this._sampled !== true) {\n // At this point if `sampled !== true` we want to discard the transaction.\n DEBUG_BUILD && logger.log('[Tracing] Discarding transaction because its trace was not chosen to be sampled.');\n\n if (client) {\n client.recordDroppedEvent('sample_rate', 'transaction');\n }\n\n return undefined;\n }\n\n // eslint-disable-next-line deprecation/deprecation\n const finishedSpans = this.spanRecorder\n ? // eslint-disable-next-line deprecation/deprecation\n this.spanRecorder.spans.filter(span => span !== this && spanToJSON(span).timestamp)\n : [];\n\n if (this._trimEnd && finishedSpans.length > 0) {\n const endTimes = finishedSpans.map(span => spanToJSON(span).timestamp).filter(Boolean) as number[];\n this._endTime = endTimes.reduce((prev, current) => {\n return prev > current ? prev : current;\n });\n }\n\n const { scope: capturedSpanScope, isolationScope: capturedSpanIsolationScope } = getCapturedScopesOnSpan(this);\n\n // eslint-disable-next-line deprecation/deprecation\n const { metadata } = this;\n // eslint-disable-next-line deprecation/deprecation\n const { source } = metadata;\n\n const transaction: TransactionEvent = {\n contexts: {\n ...this._contexts,\n // We don't want to override trace context\n trace: spanToTraceContext(this),\n },\n // TODO: Pass spans serialized via `spanToJSON()` here instead in v8.\n spans: finishedSpans,\n start_timestamp: this._startTime,\n // eslint-disable-next-line deprecation/deprecation\n tags: this.tags,\n timestamp: this._endTime,\n transaction: this._name,\n type: 'transaction',\n sdkProcessingMetadata: {\n ...metadata,\n capturedSpanScope,\n capturedSpanIsolationScope,\n ...dropUndefinedKeys({\n dynamicSamplingContext: getDynamicSamplingContextFromSpan(this),\n }),\n },\n _metrics_summary: getMetricSummaryJsonForSpan(this),\n ...(source && {\n transaction_info: {\n source,\n },\n }),\n };\n\n const hasMeasurements = Object.keys(this._measurements).length > 0;\n\n if (hasMeasurements) {\n DEBUG_BUILD &&\n logger.log(\n '[Measurements] Adding measurements to transaction',\n JSON.stringify(this._measurements, undefined, 2),\n );\n transaction.measurements = this._measurements;\n }\n\n // eslint-disable-next-line deprecation/deprecation\n DEBUG_BUILD && logger.log(`[Tracing] Finishing ${this.op} transaction: ${this._name}.`);\n\n return transaction;\n }\n}\n","/* eslint-disable max-lines */\nimport type { SpanTimeInput, TransactionContext } from '@sentry/types';\nimport { logger, timestampInSeconds } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport type { Hub } from '../hub';\nimport { spanTimeInputToSeconds, spanToJSON } from '../utils/spanUtils';\nimport type { Span } from './span';\nimport { SpanRecorder } from './span';\nimport { Transaction } from './transaction';\n\nexport const TRACING_DEFAULTS = {\n idleTimeout: 1000,\n finalTimeout: 30000,\n heartbeatInterval: 5000,\n};\n\nconst FINISH_REASON_TAG = 'finishReason';\n\nconst IDLE_TRANSACTION_FINISH_REASONS = [\n 'heartbeatFailed',\n 'idleTimeout',\n 'documentHidden',\n 'finalTimeout',\n 'externalFinish',\n 'cancelled',\n];\n\n/**\n * @inheritDoc\n */\nexport class IdleTransactionSpanRecorder extends SpanRecorder {\n public constructor(\n private readonly _pushActivity: (id: string) => void,\n private readonly _popActivity: (id: string) => void,\n public transactionSpanId: string,\n maxlen?: number,\n ) {\n super(maxlen);\n }\n\n /**\n * @inheritDoc\n */\n public add(span: Span): void {\n // We should make sure we do not push and pop activities for\n // the transaction that this span recorder belongs to.\n if (span.spanContext().spanId !== this.transactionSpanId) {\n // We patch span.end() to pop an activity after setting an endTimestamp.\n // eslint-disable-next-line @typescript-eslint/unbound-method\n const originalEnd = span.end;\n span.end = (...rest: unknown[]) => {\n this._popActivity(span.spanContext().spanId);\n return originalEnd.apply(span, rest);\n };\n\n // We should only push new activities if the span does not have an end timestamp.\n if (spanToJSON(span).timestamp === undefined) {\n this._pushActivity(span.spanContext().spanId);\n }\n }\n\n super.add(span);\n }\n}\n\nexport type BeforeFinishCallback = (transactionSpan: IdleTransaction, endTimestamp: number) => void;\n\n/**\n * An IdleTransaction is a transaction that automatically finishes. It does this by tracking child spans as activities.\n * You can have multiple IdleTransactions active, but if the `onScope` option is specified, the idle transaction will\n * put itself on the scope on creation.\n */\nexport class IdleTransaction extends Transaction {\n // Activities store a list of active spans\n public activities: Record;\n // Track state of activities in previous heartbeat\n private _prevHeartbeatString: string | undefined;\n\n // Amount of times heartbeat has counted. Will cause transaction to finish after 3 beats.\n private _heartbeatCounter: number;\n\n // We should not use heartbeat if we finished a transaction\n private _finished: boolean;\n\n // Idle timeout was canceled and we should finish the transaction with the last span end.\n private _idleTimeoutCanceledPermanently: boolean;\n\n private readonly _beforeFinishCallbacks: BeforeFinishCallback[];\n\n /**\n * Timer that tracks Transaction idleTimeout\n */\n private _idleTimeoutID: ReturnType | undefined;\n\n private _finishReason: (typeof IDLE_TRANSACTION_FINISH_REASONS)[number];\n\n private _autoFinishAllowed: boolean;\n\n /**\n * @deprecated Transactions will be removed in v8. Use spans instead.\n */\n public constructor(\n transactionContext: TransactionContext,\n // eslint-disable-next-line deprecation/deprecation\n private readonly _idleHub: Hub,\n /**\n * The time to wait in ms until the idle transaction will be finished. This timer is started each time\n * there are no active spans on this transaction.\n */\n private readonly _idleTimeout: number = TRACING_DEFAULTS.idleTimeout,\n /**\n * The final value in ms that a transaction cannot exceed\n */\n private readonly _finalTimeout: number = TRACING_DEFAULTS.finalTimeout,\n private readonly _heartbeatInterval: number = TRACING_DEFAULTS.heartbeatInterval,\n // Whether or not the transaction should put itself on the scope when it starts and pop itself off when it ends\n private readonly _onScope: boolean = false,\n /**\n * When set to `true`, will disable the idle timeout (`_idleTimeout` option) and heartbeat mechanisms (`_heartbeatInterval`\n * option) until the `sendAutoFinishSignal()` method is called. The final timeout mechanism (`_finalTimeout` option)\n * will not be affected by this option, meaning the transaction will definitely be finished when the final timeout is\n * reached, no matter what this option is configured to.\n *\n * Defaults to `false`.\n */\n delayAutoFinishUntilSignal: boolean = false,\n ) {\n super(transactionContext, _idleHub);\n\n this.activities = {};\n this._heartbeatCounter = 0;\n this._finished = false;\n this._idleTimeoutCanceledPermanently = false;\n this._beforeFinishCallbacks = [];\n this._finishReason = IDLE_TRANSACTION_FINISH_REASONS[4];\n this._autoFinishAllowed = !delayAutoFinishUntilSignal;\n\n if (_onScope) {\n // We set the transaction here on the scope so error events pick up the trace\n // context and attach it to the error.\n DEBUG_BUILD && logger.log(`Setting idle transaction on scope. Span ID: ${this.spanContext().spanId}`);\n // eslint-disable-next-line deprecation/deprecation\n _idleHub.getScope().setSpan(this);\n }\n\n if (!delayAutoFinishUntilSignal) {\n this._restartIdleTimeout();\n }\n\n setTimeout(() => {\n if (!this._finished) {\n this.setStatus('deadline_exceeded');\n this._finishReason = IDLE_TRANSACTION_FINISH_REASONS[3];\n this.end();\n }\n }, this._finalTimeout);\n }\n\n /** {@inheritDoc} */\n public end(endTimestamp?: SpanTimeInput): string | undefined {\n const endTimestampInS = spanTimeInputToSeconds(endTimestamp);\n\n this._finished = true;\n this.activities = {};\n\n // eslint-disable-next-line deprecation/deprecation\n if (this.op === 'ui.action.click') {\n this.setAttribute(FINISH_REASON_TAG, this._finishReason);\n }\n\n // eslint-disable-next-line deprecation/deprecation\n if (this.spanRecorder) {\n DEBUG_BUILD &&\n // eslint-disable-next-line deprecation/deprecation\n logger.log('[Tracing] finishing IdleTransaction', new Date(endTimestampInS * 1000).toISOString(), this.op);\n\n for (const callback of this._beforeFinishCallbacks) {\n callback(this, endTimestampInS);\n }\n\n // eslint-disable-next-line deprecation/deprecation\n this.spanRecorder.spans = this.spanRecorder.spans.filter((span: Span) => {\n // If we are dealing with the transaction itself, we just return it\n if (span.spanContext().spanId === this.spanContext().spanId) {\n return true;\n }\n\n // We cancel all pending spans with status \"cancelled\" to indicate the idle transaction was finished early\n if (!spanToJSON(span).timestamp) {\n span.setStatus('cancelled');\n span.end(endTimestampInS);\n DEBUG_BUILD &&\n logger.log('[Tracing] cancelling span since transaction ended early', JSON.stringify(span, undefined, 2));\n }\n\n const { start_timestamp: startTime, timestamp: endTime } = spanToJSON(span);\n const spanStartedBeforeTransactionFinish = startTime && startTime < endTimestampInS;\n\n // Add a delta with idle timeout so that we prevent false positives\n const timeoutWithMarginOfError = (this._finalTimeout + this._idleTimeout) / 1000;\n const spanEndedBeforeFinalTimeout = endTime && startTime && endTime - startTime < timeoutWithMarginOfError;\n\n if (DEBUG_BUILD) {\n const stringifiedSpan = JSON.stringify(span, undefined, 2);\n if (!spanStartedBeforeTransactionFinish) {\n logger.log('[Tracing] discarding Span since it happened after Transaction was finished', stringifiedSpan);\n } else if (!spanEndedBeforeFinalTimeout) {\n logger.log('[Tracing] discarding Span since it finished after Transaction final timeout', stringifiedSpan);\n }\n }\n\n return spanStartedBeforeTransactionFinish && spanEndedBeforeFinalTimeout;\n });\n\n DEBUG_BUILD && logger.log('[Tracing] flushing IdleTransaction');\n } else {\n DEBUG_BUILD && logger.log('[Tracing] No active IdleTransaction');\n }\n\n // if `this._onScope` is `true`, the transaction put itself on the scope when it started\n if (this._onScope) {\n // eslint-disable-next-line deprecation/deprecation\n const scope = this._idleHub.getScope();\n // eslint-disable-next-line deprecation/deprecation\n if (scope.getTransaction() === this) {\n // eslint-disable-next-line deprecation/deprecation\n scope.setSpan(undefined);\n }\n }\n\n return super.end(endTimestamp);\n }\n\n /**\n * Register a callback function that gets executed before the transaction finishes.\n * Useful for cleanup or if you want to add any additional spans based on current context.\n *\n * This is exposed because users have no other way of running something before an idle transaction\n * finishes.\n */\n public registerBeforeFinishCallback(callback: BeforeFinishCallback): void {\n this._beforeFinishCallbacks.push(callback);\n }\n\n /**\n * @inheritDoc\n */\n public initSpanRecorder(maxlen?: number): void {\n // eslint-disable-next-line deprecation/deprecation\n if (!this.spanRecorder) {\n const pushActivity = (id: string): void => {\n if (this._finished) {\n return;\n }\n this._pushActivity(id);\n };\n const popActivity = (id: string): void => {\n if (this._finished) {\n return;\n }\n this._popActivity(id);\n };\n\n // eslint-disable-next-line deprecation/deprecation\n this.spanRecorder = new IdleTransactionSpanRecorder(pushActivity, popActivity, this.spanContext().spanId, maxlen);\n\n // Start heartbeat so that transactions do not run forever.\n DEBUG_BUILD && logger.log('Starting heartbeat');\n this._pingHeartbeat();\n }\n // eslint-disable-next-line deprecation/deprecation\n this.spanRecorder.add(this);\n }\n\n /**\n * Cancels the existing idle timeout, if there is one.\n * @param restartOnChildSpanChange Default is `true`.\n * If set to false the transaction will end\n * with the last child span.\n */\n public cancelIdleTimeout(\n endTimestamp?: Parameters[0],\n {\n restartOnChildSpanChange,\n }: {\n restartOnChildSpanChange?: boolean;\n } = {\n restartOnChildSpanChange: true,\n },\n ): void {\n this._idleTimeoutCanceledPermanently = restartOnChildSpanChange === false;\n if (this._idleTimeoutID) {\n clearTimeout(this._idleTimeoutID);\n this._idleTimeoutID = undefined;\n\n if (Object.keys(this.activities).length === 0 && this._idleTimeoutCanceledPermanently) {\n this._finishReason = IDLE_TRANSACTION_FINISH_REASONS[5];\n this.end(endTimestamp);\n }\n }\n }\n\n /**\n * Temporary method used to externally set the transaction's `finishReason`\n *\n * ** WARNING**\n * This is for the purpose of experimentation only and will be removed in the near future, do not use!\n *\n * @internal\n *\n */\n public setFinishReason(reason: string): void {\n this._finishReason = reason;\n }\n\n /**\n * Permits the IdleTransaction to automatically end itself via the idle timeout and heartbeat mechanisms when the `delayAutoFinishUntilSignal` option was set to `true`.\n */\n public sendAutoFinishSignal(): void {\n if (!this._autoFinishAllowed) {\n DEBUG_BUILD && logger.log('[Tracing] Received finish signal for idle transaction.');\n this._restartIdleTimeout();\n this._autoFinishAllowed = true;\n }\n }\n\n /**\n * Restarts idle timeout, if there is no running idle timeout it will start one.\n */\n private _restartIdleTimeout(endTimestamp?: Parameters[0]): void {\n this.cancelIdleTimeout();\n this._idleTimeoutID = setTimeout(() => {\n if (!this._finished && Object.keys(this.activities).length === 0) {\n this._finishReason = IDLE_TRANSACTION_FINISH_REASONS[1];\n this.end(endTimestamp);\n }\n }, this._idleTimeout);\n }\n\n /**\n * Start tracking a specific activity.\n * @param spanId The span id that represents the activity\n */\n private _pushActivity(spanId: string): void {\n this.cancelIdleTimeout(undefined, { restartOnChildSpanChange: !this._idleTimeoutCanceledPermanently });\n DEBUG_BUILD && logger.log(`[Tracing] pushActivity: ${spanId}`);\n this.activities[spanId] = true;\n DEBUG_BUILD && logger.log('[Tracing] new activities count', Object.keys(this.activities).length);\n }\n\n /**\n * Remove an activity from usage\n * @param spanId The span id that represents the activity\n */\n private _popActivity(spanId: string): void {\n if (this.activities[spanId]) {\n DEBUG_BUILD && logger.log(`[Tracing] popActivity ${spanId}`);\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete this.activities[spanId];\n DEBUG_BUILD && logger.log('[Tracing] new activities count', Object.keys(this.activities).length);\n }\n\n if (Object.keys(this.activities).length === 0) {\n const endTimestamp = timestampInSeconds();\n if (this._idleTimeoutCanceledPermanently) {\n if (this._autoFinishAllowed) {\n this._finishReason = IDLE_TRANSACTION_FINISH_REASONS[5];\n this.end(endTimestamp);\n }\n } else {\n // We need to add the timeout here to have the real endtimestamp of the transaction\n // Remember timestampInSeconds is in seconds, timeout is in ms\n this._restartIdleTimeout(endTimestamp + this._idleTimeout / 1000);\n }\n }\n }\n\n /**\n * Checks when entries of this.activities are not changing for 3 beats.\n * If this occurs we finish the transaction.\n */\n private _beat(): void {\n // We should not be running heartbeat if the idle transaction is finished.\n if (this._finished) {\n return;\n }\n\n const heartbeatString = Object.keys(this.activities).join('');\n\n if (heartbeatString === this._prevHeartbeatString) {\n this._heartbeatCounter++;\n } else {\n this._heartbeatCounter = 1;\n }\n\n this._prevHeartbeatString = heartbeatString;\n\n if (this._heartbeatCounter >= 3) {\n if (this._autoFinishAllowed) {\n DEBUG_BUILD && logger.log('[Tracing] Transaction finished because of no change for 3 heart beats');\n this.setStatus('deadline_exceeded');\n this._finishReason = IDLE_TRANSACTION_FINISH_REASONS[0];\n this.end();\n }\n } else {\n this._pingHeartbeat();\n }\n }\n\n /**\n * Pings the heartbeat\n */\n private _pingHeartbeat(): void {\n DEBUG_BUILD && logger.log(`pinging Heartbeat -> current counter: ${this._heartbeatCounter}`);\n setTimeout(() => {\n this._beat();\n }, this._heartbeatInterval);\n }\n}\n","import {\n addGlobalErrorInstrumentationHandler,\n addGlobalUnhandledRejectionInstrumentationHandler,\n logger,\n} from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport type { SpanStatusType } from './spanstatus';\nimport { getActiveTransaction } from './utils';\n\nlet errorsInstrumented = false;\n\n/**\n * Configures global error listeners\n */\nexport function registerErrorInstrumentation(): void {\n if (errorsInstrumented) {\n return;\n }\n\n errorsInstrumented = true;\n addGlobalErrorInstrumentationHandler(errorCallback);\n addGlobalUnhandledRejectionInstrumentationHandler(errorCallback);\n}\n\n/**\n * If an error or unhandled promise occurs, we mark the active transaction as failed\n */\nfunction errorCallback(): void {\n // eslint-disable-next-line deprecation/deprecation\n const activeTransaction = getActiveTransaction();\n if (activeTransaction) {\n const status: SpanStatusType = 'internal_error';\n DEBUG_BUILD && logger.log(`[Tracing] Transaction: ${status} -> Global error occured`);\n activeTransaction.setStatus(status);\n }\n}\n\n// The function name will be lost when bundling but we need to be able to identify this listener later to maintain the\n// node.js default exit behaviour\nerrorCallback.tag = 'sentry_tracingErrorCallback';\n","import type { Options, SamplingContext } from '@sentry/types';\nimport { isNaN, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE } from '../semanticAttributes';\nimport { hasTracingEnabled } from '../utils/hasTracingEnabled';\nimport { spanToJSON } from '../utils/spanUtils';\nimport type { Transaction } from './transaction';\n\n/**\n * Makes a sampling decision for the given transaction and stores it on the transaction.\n *\n * Called every time a transaction is created. Only transactions which emerge with a `sampled` value of `true` will be\n * sent to Sentry.\n *\n * This method muttes the given `transaction` and will set the `sampled` value on it.\n * It returns the same transaction, for convenience.\n */\nexport function sampleTransaction(\n transaction: T,\n options: Pick,\n samplingContext: SamplingContext,\n): T {\n // nothing to do if tracing is not enabled\n if (!hasTracingEnabled(options)) {\n // eslint-disable-next-line deprecation/deprecation\n transaction.sampled = false;\n return transaction;\n }\n\n // if the user has forced a sampling decision by passing a `sampled` value in their transaction context, go with that\n // eslint-disable-next-line deprecation/deprecation\n if (transaction.sampled !== undefined) {\n // eslint-disable-next-line deprecation/deprecation\n transaction.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE, Number(transaction.sampled));\n return transaction;\n }\n\n // we would have bailed already if neither `tracesSampler` nor `tracesSampleRate` nor `enableTracing` were defined, so one of these should\n // work; prefer the hook if so\n let sampleRate;\n if (typeof options.tracesSampler === 'function') {\n sampleRate = options.tracesSampler(samplingContext);\n transaction.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE, Number(sampleRate));\n } else if (samplingContext.parentSampled !== undefined) {\n sampleRate = samplingContext.parentSampled;\n } else if (typeof options.tracesSampleRate !== 'undefined') {\n sampleRate = options.tracesSampleRate;\n transaction.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE, Number(sampleRate));\n } else {\n // When `enableTracing === true`, we use a sample rate of 100%\n sampleRate = 1;\n transaction.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE, sampleRate);\n }\n\n // Since this is coming from the user (or from a function provided by the user), who knows what we might get. (The\n // only valid values are booleans or numbers between 0 and 1.)\n if (!isValidSampleRate(sampleRate)) {\n DEBUG_BUILD && logger.warn('[Tracing] Discarding transaction because of invalid sample rate.');\n // eslint-disable-next-line deprecation/deprecation\n transaction.sampled = false;\n return transaction;\n }\n\n // if the function returned 0 (or false), or if `tracesSampleRate` is 0, it's a sign the transaction should be dropped\n if (!sampleRate) {\n DEBUG_BUILD &&\n logger.log(\n `[Tracing] Discarding transaction because ${\n typeof options.tracesSampler === 'function'\n ? 'tracesSampler returned 0 or false'\n : 'a negative sampling decision was inherited or tracesSampleRate is set to 0'\n }`,\n );\n // eslint-disable-next-line deprecation/deprecation\n transaction.sampled = false;\n return transaction;\n }\n\n // Now we roll the dice. Math.random is inclusive of 0, but not of 1, so strict < is safe here. In case sampleRate is\n // a boolean, the < comparison will cause it to be automatically cast to 1 if it's true and 0 if it's false.\n // eslint-disable-next-line deprecation/deprecation\n transaction.sampled = Math.random() < (sampleRate as number | boolean);\n\n // if we're not going to keep it, we're done\n // eslint-disable-next-line deprecation/deprecation\n if (!transaction.sampled) {\n DEBUG_BUILD &&\n logger.log(\n `[Tracing] Discarding transaction because it's not included in the random sample (sampling rate = ${Number(\n sampleRate,\n )})`,\n );\n return transaction;\n }\n\n DEBUG_BUILD &&\n // eslint-disable-next-line deprecation/deprecation\n logger.log(`[Tracing] starting ${transaction.op} transaction - ${spanToJSON(transaction).description}`);\n return transaction;\n}\n\n/**\n * Checks the given sample rate to make sure it is valid type and value (a boolean, or a number between 0 and 1).\n */\nexport function isValidSampleRate(rate: unknown): boolean {\n // we need to check NaN explicitly because it's of type 'number' and therefore wouldn't get caught by this typecheck\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n if (isNaN(rate) || !(typeof rate === 'number' || typeof rate === 'boolean')) {\n DEBUG_BUILD &&\n logger.warn(\n `[Tracing] Given sample rate is invalid. Sample rate must be a boolean or a number between 0 and 1. Got ${JSON.stringify(\n rate,\n )} of type ${JSON.stringify(typeof rate)}.`,\n );\n return false;\n }\n\n // in case sampleRate is a boolean, it will get automatically cast to 1 if it's true and 0 if it's false\n if (rate < 0 || rate > 1) {\n DEBUG_BUILD &&\n logger.warn(`[Tracing] Given sample rate is invalid. Sample rate must be between 0 and 1. Got ${rate}.`);\n return false;\n }\n return true;\n}\n","import type { ClientOptions, CustomSamplingContext, TransactionContext } from '@sentry/types';\nimport { logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport type { Hub } from '../hub';\nimport { getMainCarrier } from '../hub';\nimport { spanToTraceHeader } from '../utils/spanUtils';\nimport { registerErrorInstrumentation } from './errors';\nimport { IdleTransaction } from './idletransaction';\nimport { sampleTransaction } from './sampling';\nimport { Transaction } from './transaction';\n\n/** Returns all trace headers that are currently on the top scope. */\n// eslint-disable-next-line deprecation/deprecation\nfunction traceHeaders(this: Hub): { [key: string]: string } {\n // eslint-disable-next-line deprecation/deprecation\n const scope = this.getScope();\n // eslint-disable-next-line deprecation/deprecation\n const span = scope.getSpan();\n\n return span\n ? {\n 'sentry-trace': spanToTraceHeader(span),\n }\n : {};\n}\n\n/**\n * Creates a new transaction and adds a sampling decision if it doesn't yet have one.\n *\n * The Hub.startTransaction method delegates to this method to do its work, passing the Hub instance in as `this`, as if\n * it had been called on the hub directly. Exists as a separate function so that it can be injected into the class as an\n * \"extension method.\"\n *\n * @param this: The Hub starting the transaction\n * @param transactionContext: Data used to configure the transaction\n * @param CustomSamplingContext: Optional data to be provided to the `tracesSampler` function (if any)\n *\n * @returns The new transaction\n *\n * @see {@link Hub.startTransaction}\n */\nfunction _startTransaction(\n // eslint-disable-next-line deprecation/deprecation\n this: Hub,\n transactionContext: TransactionContext,\n customSamplingContext?: CustomSamplingContext,\n): Transaction {\n // eslint-disable-next-line deprecation/deprecation\n const client = this.getClient();\n const options: Partial = (client && client.getOptions()) || {};\n\n const configInstrumenter = options.instrumenter || 'sentry';\n const transactionInstrumenter = transactionContext.instrumenter || 'sentry';\n\n if (configInstrumenter !== transactionInstrumenter) {\n DEBUG_BUILD &&\n logger.error(\n `A transaction was started with instrumenter=\\`${transactionInstrumenter}\\`, but the SDK is configured with the \\`${configInstrumenter}\\` instrumenter.\nThe transaction will not be sampled. Please use the ${configInstrumenter} instrumentation to start transactions.`,\n );\n\n // eslint-disable-next-line deprecation/deprecation\n transactionContext.sampled = false;\n }\n\n // eslint-disable-next-line deprecation/deprecation\n let transaction = new Transaction(transactionContext, this);\n transaction = sampleTransaction(transaction, options, {\n name: transactionContext.name,\n parentSampled: transactionContext.parentSampled,\n transactionContext,\n attributes: {\n // eslint-disable-next-line deprecation/deprecation\n ...transactionContext.data,\n ...transactionContext.attributes,\n },\n ...customSamplingContext,\n });\n if (transaction.isRecording()) {\n transaction.initSpanRecorder(options._experiments && (options._experiments.maxSpans as number));\n }\n if (client && client.emit) {\n client.emit('startTransaction', transaction);\n }\n return transaction;\n}\n\n/**\n * Create new idle transaction.\n */\nexport function startIdleTransaction(\n // eslint-disable-next-line deprecation/deprecation\n hub: Hub,\n transactionContext: TransactionContext,\n idleTimeout: number,\n finalTimeout: number,\n onScope?: boolean,\n customSamplingContext?: CustomSamplingContext,\n heartbeatInterval?: number,\n delayAutoFinishUntilSignal: boolean = false,\n): IdleTransaction {\n // eslint-disable-next-line deprecation/deprecation\n const client = hub.getClient();\n const options: Partial = (client && client.getOptions()) || {};\n\n // eslint-disable-next-line deprecation/deprecation\n let transaction = new IdleTransaction(\n transactionContext,\n hub,\n idleTimeout,\n finalTimeout,\n heartbeatInterval,\n onScope,\n delayAutoFinishUntilSignal,\n );\n transaction = sampleTransaction(transaction, options, {\n name: transactionContext.name,\n parentSampled: transactionContext.parentSampled,\n transactionContext,\n attributes: {\n // eslint-disable-next-line deprecation/deprecation\n ...transactionContext.data,\n ...transactionContext.attributes,\n },\n ...customSamplingContext,\n });\n if (transaction.isRecording()) {\n transaction.initSpanRecorder(options._experiments && (options._experiments.maxSpans as number));\n }\n if (client && client.emit) {\n client.emit('startTransaction', transaction);\n }\n return transaction;\n}\n\n/**\n * Adds tracing extensions to the global hub.\n */\nexport function addTracingExtensions(): void {\n const carrier = getMainCarrier();\n if (!carrier.__SENTRY__) {\n return;\n }\n carrier.__SENTRY__.extensions = carrier.__SENTRY__.extensions || {};\n if (!carrier.__SENTRY__.extensions.startTransaction) {\n carrier.__SENTRY__.extensions.startTransaction = _startTransaction;\n }\n if (!carrier.__SENTRY__.extensions.traceHeaders) {\n carrier.__SENTRY__.extensions.traceHeaders = traceHeaders;\n }\n\n registerErrorInstrumentation();\n}\n","declare const __DEBUG_BUILD__: boolean;\n\n/**\n * This serves as a build time flag that will be true by default, but false in non-debug builds or if users replace `__SENTRY_DEBUG__` in their generated code.\n *\n * ATTENTION: This constant must never cross package boundaries (i.e. be exported) to guarantee that it can be used for tree shaking.\n */\nexport const DEBUG_BUILD = __DEBUG_BUILD__;\n","import { GLOBAL_OBJ } from '@sentry/utils';\n\nexport const WINDOW = GLOBAL_OBJ as typeof GLOBAL_OBJ &\n // document is not available in all browser environments (webworkers). We make it optional so you have to explicitly check for it\n Omit &\n Partial>;\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport type { Metric, ReportCallback } from '../types';\n\nexport const bindReporter = (\n callback: ReportCallback,\n metric: Metric,\n reportAllChanges?: boolean,\n): ((forceReport?: boolean) => void) => {\n let prevValue: number;\n let delta: number;\n return (forceReport?: boolean) => {\n if (metric.value >= 0) {\n if (forceReport || reportAllChanges) {\n delta = metric.value - (prevValue || 0);\n\n // Report the metric if there's a non-zero delta or if no previous\n // value exists (which can happen in the case of the document becoming\n // hidden when the metric value is 0).\n // See: https://github.com/GoogleChrome/web-vitals/issues/14\n if (delta || prevValue === undefined) {\n prevValue = metric.value;\n metric.delta = delta;\n callback(metric);\n }\n }\n }\n };\n};\n","/*\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WINDOW } from '../../types';\nimport type { NavigationTimingPolyfillEntry } from '../types';\n\nconst getNavigationEntryFromPerformanceTiming = (): NavigationTimingPolyfillEntry => {\n // eslint-disable-next-line deprecation/deprecation\n const timing = WINDOW.performance.timing;\n // eslint-disable-next-line deprecation/deprecation\n const type = WINDOW.performance.navigation.type;\n\n const navigationEntry: { [key: string]: number | string } = {\n entryType: 'navigation',\n startTime: 0,\n type: type == 2 ? 'back_forward' : type === 1 ? 'reload' : 'navigate',\n };\n\n for (const key in timing) {\n if (key !== 'navigationStart' && key !== 'toJSON') {\n // eslint-disable-next-line deprecation/deprecation\n navigationEntry[key] = Math.max((timing[key as keyof PerformanceTiming] as number) - timing.navigationStart, 0);\n }\n }\n return navigationEntry as unknown as NavigationTimingPolyfillEntry;\n};\n\nexport const getNavigationEntry = (): PerformanceNavigationTiming | NavigationTimingPolyfillEntry | undefined => {\n if (WINDOW.__WEB_VITALS_POLYFILL__) {\n return (\n WINDOW.performance &&\n ((performance.getEntriesByType && performance.getEntriesByType('navigation')[0]) ||\n getNavigationEntryFromPerformanceTiming())\n );\n } else {\n return WINDOW.performance && performance.getEntriesByType && performance.getEntriesByType('navigation')[0];\n }\n};\n","/*\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { getNavigationEntry } from './getNavigationEntry';\n\nexport const getActivationStart = (): number => {\n const navEntry = getNavigationEntry();\n return (navEntry && navEntry.activationStart) || 0;\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WINDOW } from '../../types';\nimport type { Metric } from '../types';\nimport { generateUniqueID } from './generateUniqueID';\nimport { getActivationStart } from './getActivationStart';\nimport { getNavigationEntry } from './getNavigationEntry';\n\nexport const initMetric = (name: Metric['name'], value?: number): Metric => {\n const navEntry = getNavigationEntry();\n let navigationType: Metric['navigationType'] = 'navigate';\n\n if (navEntry) {\n if ((WINDOW.document && WINDOW.document.prerendering) || getActivationStart() > 0) {\n navigationType = 'prerender';\n } else {\n navigationType = navEntry.type.replace(/_/g, '-') as Metric['navigationType'];\n }\n }\n\n return {\n name,\n value: typeof value === 'undefined' ? -1 : value,\n rating: 'good', // Will be updated if the value changes.\n delta: 0,\n entries: [],\n id: generateUniqueID(),\n navigationType,\n };\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * Performantly generate a unique, 30-char string by combining a version\n * number, the current timestamp with a 13-digit number integer.\n * @return {string}\n */\nexport const generateUniqueID = (): string => {\n return `v3-${Date.now()}-${Math.floor(Math.random() * (9e12 - 1)) + 1e12}`;\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport type { FirstInputPolyfillEntry, NavigationTimingPolyfillEntry, PerformancePaintTiming } from '../types';\n\nexport interface PerformanceEntryHandler {\n (entry: PerformanceEntry): void;\n}\n\ninterface PerformanceEntryMap {\n event: PerformanceEventTiming[];\n paint: PerformancePaintTiming[];\n 'layout-shift': LayoutShift[];\n 'largest-contentful-paint': LargestContentfulPaint[];\n 'first-input': PerformanceEventTiming[] | FirstInputPolyfillEntry[];\n navigation: PerformanceNavigationTiming[] | NavigationTimingPolyfillEntry[];\n resource: PerformanceResourceTiming[];\n longtask: PerformanceEntry[];\n}\n\n/**\n * Takes a performance entry type and a callback function, and creates a\n * `PerformanceObserver` instance that will observe the specified entry type\n * with buffering enabled and call the callback _for each entry_.\n *\n * This function also feature-detects entry support and wraps the logic in a\n * try/catch to avoid errors in unsupporting browsers.\n */\nexport const observe = (\n type: K,\n callback: (entries: PerformanceEntryMap[K]) => void,\n opts?: PerformanceObserverInit,\n): PerformanceObserver | undefined => {\n try {\n if (PerformanceObserver.supportedEntryTypes.includes(type)) {\n const po = new PerformanceObserver(list => {\n callback(list.getEntries() as PerformanceEntryMap[K]);\n });\n po.observe(\n Object.assign(\n {\n type,\n buffered: true,\n },\n opts || {},\n ) as PerformanceObserverInit,\n );\n return po;\n }\n } catch (e) {\n // Do nothing.\n }\n return;\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WINDOW } from '../../types';\n\nexport interface OnHiddenCallback {\n (event: Event): void;\n}\n\nexport const onHidden = (cb: OnHiddenCallback, once?: boolean): void => {\n const onHiddenOrPageHide = (event: Event): void => {\n if (event.type === 'pagehide' || WINDOW.document!.visibilityState === 'hidden') {\n cb(event);\n if (once) {\n removeEventListener('visibilitychange', onHiddenOrPageHide, true);\n removeEventListener('pagehide', onHiddenOrPageHide, true);\n }\n }\n };\n\n if (WINDOW.document) {\n addEventListener('visibilitychange', onHiddenOrPageHide, true);\n // Some browsers have buggy implementations of visibilitychange,\n // so we use pagehide in addition, just to be safe.\n addEventListener('pagehide', onHiddenOrPageHide, true);\n }\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { bindReporter } from './lib/bindReporter';\nimport { initMetric } from './lib/initMetric';\nimport { observe } from './lib/observe';\nimport { onHidden } from './lib/onHidden';\nimport type { CLSMetric, ReportCallback, StopListening } from './types';\n\n/**\n * Calculates the [CLS](https://web.dev/cls/) value for the current page and\n * calls the `callback` function once the value is ready to be reported, along\n * with all `layout-shift` performance entries that were used in the metric\n * value calculation. The reported value is a `double` (corresponding to a\n * [layout shift score](https://web.dev/cls/#layout-shift-score)).\n *\n * If the `reportAllChanges` configuration option is set to `true`, the\n * `callback` function will be called as soon as the value is initially\n * determined as well as any time the value changes throughout the page\n * lifespan.\n *\n * _**Important:** CLS should be continually monitored for changes throughout\n * the entire lifespan of a page—including if the user returns to the page after\n * it's been hidden/backgrounded. However, since browsers often [will not fire\n * additional callbacks once the user has backgrounded a\n * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),\n * `callback` is always called when the page's visibility state changes to\n * hidden. As a result, the `callback` function might be called multiple times\n * during the same page load._\n */\nexport const onCLS = (\n onReport: ReportCallback,\n options: { reportAllChanges?: boolean } = {},\n): StopListening | undefined => {\n const metric = initMetric('CLS', 0);\n let report: ReturnType;\n\n let sessionValue = 0;\n let sessionEntries: PerformanceEntry[] = [];\n\n // const handleEntries = (entries: Metric['entries']) => {\n const handleEntries = (entries: LayoutShift[]): void => {\n entries.forEach(entry => {\n // Only count layout shifts without recent user input.\n if (!entry.hadRecentInput) {\n const firstSessionEntry = sessionEntries[0];\n const lastSessionEntry = sessionEntries[sessionEntries.length - 1];\n\n // If the entry occurred less than 1 second after the previous entry and\n // less than 5 seconds after the first entry in the session, include the\n // entry in the current session. Otherwise, start a new session.\n if (\n sessionValue &&\n sessionEntries.length !== 0 &&\n entry.startTime - lastSessionEntry.startTime < 1000 &&\n entry.startTime - firstSessionEntry.startTime < 5000\n ) {\n sessionValue += entry.value;\n sessionEntries.push(entry);\n } else {\n sessionValue = entry.value;\n sessionEntries = [entry];\n }\n\n // If the current session value is larger than the current CLS value,\n // update CLS and the entries contributing to it.\n if (sessionValue > metric.value) {\n metric.value = sessionValue;\n metric.entries = sessionEntries;\n if (report) {\n report();\n }\n }\n }\n });\n };\n\n const po = observe('layout-shift', handleEntries);\n if (po) {\n report = bindReporter(onReport, metric, options.reportAllChanges);\n\n const stopListening = (): void => {\n handleEntries(po.takeRecords() as CLSMetric['entries']);\n report(true);\n };\n\n onHidden(stopListening);\n\n return stopListening;\n }\n\n return;\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WINDOW } from '../../types';\nimport { onHidden } from './onHidden';\n\nlet firstHiddenTime = -1;\n\nconst initHiddenTime = (): void => {\n // If the document is hidden and not prerendering, assume it was always\n // hidden and the page was loaded in the background.\n if (WINDOW.document && WINDOW.document.visibilityState) {\n firstHiddenTime = WINDOW.document.visibilityState === 'hidden' && !WINDOW.document.prerendering ? 0 : Infinity;\n }\n};\n\nconst trackChanges = (): void => {\n // Update the time if/when the document becomes hidden.\n onHidden(({ timeStamp }) => {\n firstHiddenTime = timeStamp;\n }, true);\n};\n\nexport const getVisibilityWatcher = (): {\n readonly firstHiddenTime: number;\n} => {\n if (firstHiddenTime < 0) {\n // If the document is hidden when this code runs, assume it was hidden\n // since navigation start. This isn't a perfect heuristic, but it's the\n // best we can do until an API is available to support querying past\n // visibilityState.\n initHiddenTime();\n trackChanges();\n }\n return {\n get firstHiddenTime() {\n return firstHiddenTime;\n },\n };\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { bindReporter } from './lib/bindReporter';\nimport { getVisibilityWatcher } from './lib/getVisibilityWatcher';\nimport { initMetric } from './lib/initMetric';\nimport { observe } from './lib/observe';\nimport { onHidden } from './lib/onHidden';\nimport type { FIDMetric, PerformanceEventTiming, ReportCallback } from './types';\n\n/**\n * Calculates the [FID](https://web.dev/fid/) value for the current page and\n * calls the `callback` function once the value is ready, along with the\n * relevant `first-input` performance entry used to determine the value. The\n * reported value is a `DOMHighResTimeStamp`.\n *\n * _**Important:** since FID is only reported after the user interacts with the\n * page, it's possible that it will not be reported for some page loads._\n */\nexport const onFID = (onReport: ReportCallback): void => {\n const visibilityWatcher = getVisibilityWatcher();\n const metric = initMetric('FID');\n // eslint-disable-next-line prefer-const\n let report: ReturnType;\n\n const handleEntry = (entry: PerformanceEventTiming): void => {\n // Only report if the page wasn't hidden prior to the first input.\n if (entry.startTime < visibilityWatcher.firstHiddenTime) {\n metric.value = entry.processingStart - entry.startTime;\n metric.entries.push(entry);\n report(true);\n }\n };\n\n const handleEntries = (entries: FIDMetric['entries']): void => {\n (entries as PerformanceEventTiming[]).forEach(handleEntry);\n };\n\n const po = observe('first-input', handleEntries);\n report = bindReporter(onReport, metric);\n\n if (po) {\n onHidden(() => {\n handleEntries(po.takeRecords() as FIDMetric['entries']);\n po.disconnect();\n }, true);\n }\n};\n","/*\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport type { Metric } from '../../types';\nimport { observe } from '../observe';\n\ndeclare global {\n interface Performance {\n interactionCount: number;\n }\n}\n\nlet interactionCountEstimate = 0;\nlet minKnownInteractionId = Infinity;\nlet maxKnownInteractionId = 0;\n\nconst updateEstimate = (entries: Metric['entries']): void => {\n (entries as PerformanceEventTiming[]).forEach(e => {\n if (e.interactionId) {\n minKnownInteractionId = Math.min(minKnownInteractionId, e.interactionId);\n maxKnownInteractionId = Math.max(maxKnownInteractionId, e.interactionId);\n\n interactionCountEstimate = maxKnownInteractionId ? (maxKnownInteractionId - minKnownInteractionId) / 7 + 1 : 0;\n }\n });\n};\n\nlet po: PerformanceObserver | undefined;\n\n/**\n * Returns the `interactionCount` value using the native API (if available)\n * or the polyfill estimate in this module.\n */\nexport const getInteractionCount = (): number => {\n return po ? interactionCountEstimate : performance.interactionCount || 0;\n};\n\n/**\n * Feature detects native support or initializes the polyfill if needed.\n */\nexport const initInteractionCountPolyfill = (): void => {\n if ('interactionCount' in performance || po) return;\n\n po = observe('event', updateEstimate, {\n type: 'event',\n buffered: true,\n durationThreshold: 0,\n } as PerformanceObserverInit);\n};\n","/*\n * Copyright 2022 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { bindReporter } from './lib/bindReporter';\nimport { initMetric } from './lib/initMetric';\nimport { observe } from './lib/observe';\nimport { onHidden } from './lib/onHidden';\nimport { getInteractionCount, initInteractionCountPolyfill } from './lib/polyfills/interactionCountPolyfill';\nimport type { ReportCallback, ReportOpts } from './types';\nimport type { INPMetric } from './types/inp';\n\ninterface Interaction {\n id: number;\n latency: number;\n entries: PerformanceEventTiming[];\n}\n\n/**\n * Returns the interaction count since the last bfcache restore (or for the\n * full page lifecycle if there were no bfcache restores).\n */\nconst getInteractionCountForNavigation = (): number => {\n return getInteractionCount();\n};\n\n// To prevent unnecessary memory usage on pages with lots of interactions,\n// store at most 10 of the longest interactions to consider as INP candidates.\nconst MAX_INTERACTIONS_TO_CONSIDER = 10;\n\n// A list of longest interactions on the page (by latency) sorted so the\n// longest one is first. The list is as most MAX_INTERACTIONS_TO_CONSIDER long.\nconst longestInteractionList: Interaction[] = [];\n\n// A mapping of longest interactions by their interaction ID.\n// This is used for faster lookup.\nconst longestInteractionMap: { [interactionId: string]: Interaction } = {};\n\n/**\n * Takes a performance entry and adds it to the list of worst interactions\n * if its duration is long enough to make it among the worst. If the\n * entry is part of an existing interaction, it is merged and the latency\n * and entries list is updated as needed.\n */\nconst processEntry = (entry: PerformanceEventTiming): void => {\n // The least-long of the 10 longest interactions.\n const minLongestInteraction = longestInteractionList[longestInteractionList.length - 1];\n\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n const existingInteraction = longestInteractionMap[entry.interactionId!];\n\n // Only process the entry if it's possibly one of the ten longest,\n // or if it's part of an existing interaction.\n if (\n existingInteraction ||\n longestInteractionList.length < MAX_INTERACTIONS_TO_CONSIDER ||\n entry.duration > minLongestInteraction.latency\n ) {\n // If the interaction already exists, update it. Otherwise create one.\n if (existingInteraction) {\n existingInteraction.entries.push(entry);\n existingInteraction.latency = Math.max(existingInteraction.latency, entry.duration);\n } else {\n const interaction = {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n id: entry.interactionId!,\n latency: entry.duration,\n entries: [entry],\n };\n longestInteractionMap[interaction.id] = interaction;\n longestInteractionList.push(interaction);\n }\n\n // Sort the entries by latency (descending) and keep only the top ten.\n longestInteractionList.sort((a, b) => b.latency - a.latency);\n longestInteractionList.splice(MAX_INTERACTIONS_TO_CONSIDER).forEach(i => {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete longestInteractionMap[i.id];\n });\n }\n};\n\n/**\n * Returns the estimated p98 longest interaction based on the stored\n * interaction candidates and the interaction count for the current page.\n */\nconst estimateP98LongestInteraction = (): Interaction => {\n const candidateInteractionIndex = Math.min(\n longestInteractionList.length - 1,\n Math.floor(getInteractionCountForNavigation() / 50),\n );\n\n return longestInteractionList[candidateInteractionIndex];\n};\n\n/**\n * Calculates the [INP](https://web.dev/responsiveness/) value for the current\n * page and calls the `callback` function once the value is ready, along with\n * the `event` performance entries reported for that interaction. The reported\n * value is a `DOMHighResTimeStamp`.\n *\n * A custom `durationThreshold` configuration option can optionally be passed to\n * control what `event-timing` entries are considered for INP reporting. The\n * default threshold is `40`, which means INP scores of less than 40 are\n * reported as 0. Note that this will not affect your 75th percentile INP value\n * unless that value is also less than 40 (well below the recommended\n * [good](https://web.dev/inp/#what-is-a-good-inp-score) threshold).\n *\n * If the `reportAllChanges` configuration option is set to `true`, the\n * `callback` function will be called as soon as the value is initially\n * determined as well as any time the value changes throughout the page\n * lifespan.\n *\n * _**Important:** INP should be continually monitored for changes throughout\n * the entire lifespan of a page—including if the user returns to the page after\n * it's been hidden/backgrounded. However, since browsers often [will not fire\n * additional callbacks once the user has backgrounded a\n * page](https://developer.chrome.com/blog/page-lifecycle-api/#advice-hidden),\n * `callback` is always called when the page's visibility state changes to\n * hidden. As a result, the `callback` function might be called multiple times\n * during the same page load._\n */\nexport const onINP = (onReport: ReportCallback, opts?: ReportOpts): void => {\n // Set defaults\n // eslint-disable-next-line no-param-reassign\n opts = opts || {};\n\n // https://web.dev/inp/#what's-a-%22good%22-inp-value\n // const thresholds = [200, 500];\n\n // TODO(philipwalton): remove once the polyfill is no longer needed.\n initInteractionCountPolyfill();\n\n const metric = initMetric('INP');\n // eslint-disable-next-line prefer-const\n let report: ReturnType;\n\n const handleEntries = (entries: INPMetric['entries']): void => {\n entries.forEach(entry => {\n if (entry.interactionId) {\n processEntry(entry);\n }\n\n // Entries of type `first-input` don't currently have an `interactionId`,\n // so to consider them in INP we have to first check that an existing\n // entry doesn't match the `duration` and `startTime`.\n // Note that this logic assumes that `event` entries are dispatched\n // before `first-input` entries. This is true in Chrome but it is not\n // true in Firefox; however, Firefox doesn't support interactionId, so\n // it's not an issue at the moment.\n // TODO(philipwalton): remove once crbug.com/1325826 is fixed.\n if (entry.entryType === 'first-input') {\n const noMatchingEntry = !longestInteractionList.some(interaction => {\n return interaction.entries.some(prevEntry => {\n return entry.duration === prevEntry.duration && entry.startTime === prevEntry.startTime;\n });\n });\n if (noMatchingEntry) {\n processEntry(entry);\n }\n }\n });\n\n const inp = estimateP98LongestInteraction();\n\n if (inp && inp.latency !== metric.value) {\n metric.value = inp.latency;\n metric.entries = inp.entries;\n report();\n }\n };\n\n const po = observe('event', handleEntries, {\n // Event Timing entries have their durations rounded to the nearest 8ms,\n // so a duration of 40ms would be any event that spans 2.5 or more frames\n // at 60Hz. This threshold is chosen to strike a balance between usefulness\n // and performance. Running this callback for any interaction that spans\n // just one or two frames is likely not worth the insight that could be\n // gained.\n durationThreshold: opts.durationThreshold || 40,\n } as PerformanceObserverInit);\n\n report = bindReporter(onReport, metric, opts.reportAllChanges);\n\n if (po) {\n // Also observe entries of type `first-input`. This is useful in cases\n // where the first interaction is less than the `durationThreshold`.\n po.observe({ type: 'first-input', buffered: true });\n\n onHidden(() => {\n handleEntries(po.takeRecords() as INPMetric['entries']);\n\n // If the interaction count shows that there were interactions but\n // none were captured by the PerformanceObserver, report a latency of 0.\n if (metric.value < 0 && getInteractionCountForNavigation() > 0) {\n metric.value = 0;\n metric.entries = [];\n }\n\n report(true);\n });\n }\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WINDOW } from '../types';\nimport { bindReporter } from './lib/bindReporter';\nimport { getActivationStart } from './lib/getActivationStart';\nimport { getVisibilityWatcher } from './lib/getVisibilityWatcher';\nimport { initMetric } from './lib/initMetric';\nimport { observe } from './lib/observe';\nimport { onHidden } from './lib/onHidden';\nimport type { LCPMetric, ReportCallback, StopListening } from './types';\n\nconst reportedMetricIDs: Record = {};\n\n/**\n * Calculates the [LCP](https://web.dev/lcp/) value for the current page and\n * calls the `callback` function once the value is ready (along with the\n * relevant `largest-contentful-paint` performance entry used to determine the\n * value). The reported value is a `DOMHighResTimeStamp`.\n */\nexport const onLCP = (onReport: ReportCallback): StopListening | undefined => {\n const visibilityWatcher = getVisibilityWatcher();\n const metric = initMetric('LCP');\n let report: ReturnType;\n\n const handleEntries = (entries: LCPMetric['entries']): void => {\n const lastEntry = entries[entries.length - 1] as LargestContentfulPaint;\n if (lastEntry) {\n // The startTime attribute returns the value of the renderTime if it is\n // not 0, and the value of the loadTime otherwise. The activationStart\n // reference is used because LCP should be relative to page activation\n // rather than navigation start if the page was prerendered.\n const value = Math.max(lastEntry.startTime - getActivationStart(), 0);\n\n // Only report if the page wasn't hidden prior to LCP.\n if (value < visibilityWatcher.firstHiddenTime) {\n metric.value = value;\n metric.entries = [lastEntry];\n report();\n }\n }\n };\n\n const po = observe('largest-contentful-paint', handleEntries);\n\n if (po) {\n report = bindReporter(onReport, metric);\n\n const stopListening = (): void => {\n if (!reportedMetricIDs[metric.id]) {\n handleEntries(po.takeRecords() as LCPMetric['entries']);\n po.disconnect();\n reportedMetricIDs[metric.id] = true;\n report(true);\n }\n };\n\n // Stop listening after input. Note: while scrolling is an input that\n // stop LCP observation, it's unreliable since it can be programmatically\n // generated. See: https://github.com/GoogleChrome/web-vitals/issues/75\n ['keydown', 'click'].forEach(type => {\n if (WINDOW.document) {\n addEventListener(type, stopListening, { once: true, capture: true });\n }\n });\n\n onHidden(stopListening, true);\n\n return stopListening;\n }\n\n return;\n};\n","/*\n * Copyright 2020 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * https://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { WINDOW } from '../types';\nimport { bindReporter } from './lib/bindReporter';\nimport { getActivationStart } from './lib/getActivationStart';\nimport { getNavigationEntry } from './lib/getNavigationEntry';\nimport { initMetric } from './lib/initMetric';\nimport type { ReportCallback, ReportOpts } from './types';\nimport type { TTFBMetric } from './types/ttfb';\n\n/**\n * Runs in the next task after the page is done loading and/or prerendering.\n * @param callback\n */\nconst whenReady = (callback: () => void): void => {\n if (!WINDOW.document) {\n return;\n }\n\n if (WINDOW.document.prerendering) {\n addEventListener('prerenderingchange', () => whenReady(callback), true);\n } else if (WINDOW.document.readyState !== 'complete') {\n addEventListener('load', () => whenReady(callback), true);\n } else {\n // Queue a task so the callback runs after `loadEventEnd`.\n setTimeout(callback, 0);\n }\n};\n\n/**\n * Calculates the [TTFB](https://web.dev/time-to-first-byte/) value for the\n * current page and calls the `callback` function once the page has loaded,\n * along with the relevant `navigation` performance entry used to determine the\n * value. The reported value is a `DOMHighResTimeStamp`.\n *\n * Note, this function waits until after the page is loaded to call `callback`\n * in order to ensure all properties of the `navigation` entry are populated.\n * This is useful if you want to report on other metrics exposed by the\n * [Navigation Timing API](https://w3c.github.io/navigation-timing/). For\n * example, the TTFB metric starts from the page's [time\n * origin](https://www.w3.org/TR/hr-time-2/#sec-time-origin), which means it\n * includes time spent on DNS lookup, connection negotiation, network latency,\n * and server processing time.\n */\nexport const onTTFB = (onReport: ReportCallback, opts?: ReportOpts): void => {\n // Set defaults\n // eslint-disable-next-line no-param-reassign\n opts = opts || {};\n\n // https://web.dev/ttfb/#what-is-a-good-ttfb-score\n // const thresholds = [800, 1800];\n\n const metric = initMetric('TTFB');\n const report = bindReporter(onReport, metric, opts.reportAllChanges);\n\n whenReady(() => {\n const navEntry = getNavigationEntry() as TTFBMetric['entries'][number];\n\n if (navEntry) {\n // The activationStart reference is used because TTFB should be\n // relative to page activation rather than navigation start if the\n // page was prerendered. But in cases where `activationStart` occurs\n // after the first byte is received, this time should be clamped at 0.\n metric.value = Math.max(navEntry.responseStart - getActivationStart(), 0);\n\n // In some cases the value reported is negative or is larger\n // than the current page time. Ignore these cases:\n // https://github.com/GoogleChrome/web-vitals/issues/137\n // https://github.com/GoogleChrome/web-vitals/issues/162\n if (metric.value < 0 || metric.value > performance.now()) return;\n\n metric.entries = [navEntry];\n\n report(true);\n }\n });\n};\n","import { getFunctionName, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../common/debug-build';\nimport { onCLS } from './web-vitals/getCLS';\nimport { onFID } from './web-vitals/getFID';\nimport { onINP } from './web-vitals/getINP';\nimport { onLCP } from './web-vitals/getLCP';\nimport { observe } from './web-vitals/lib/observe';\nimport { onTTFB } from './web-vitals/onTTFB';\n\ntype InstrumentHandlerTypePerformanceObserver =\n | 'longtask'\n | 'event'\n | 'navigation'\n | 'paint'\n | 'resource'\n | 'first-input';\n\ntype InstrumentHandlerTypeMetric = 'cls' | 'lcp' | 'fid' | 'ttfb' | 'inp';\n\n// We provide this here manually instead of relying on a global, as this is not available in non-browser environements\n// And we do not want to expose such types\ninterface PerformanceEntry {\n readonly duration: number;\n readonly entryType: string;\n readonly name: string;\n readonly startTime: number;\n toJSON(): Record;\n}\ninterface PerformanceEventTiming extends PerformanceEntry {\n processingStart: number;\n processingEnd: number;\n duration: number;\n cancelable?: boolean;\n target?: unknown | null;\n interactionId?: number;\n}\n\ninterface Metric {\n /**\n * The name of the metric (in acronym form).\n */\n name: 'CLS' | 'FCP' | 'FID' | 'INP' | 'LCP' | 'TTFB';\n\n /**\n * The current value of the metric.\n */\n value: number;\n\n /**\n * The rating as to whether the metric value is within the \"good\",\n * \"needs improvement\", or \"poor\" thresholds of the metric.\n */\n rating: 'good' | 'needs-improvement' | 'poor';\n\n /**\n * The delta between the current value and the last-reported value.\n * On the first report, `delta` and `value` will always be the same.\n */\n delta: number;\n\n /**\n * A unique ID representing this particular metric instance. This ID can\n * be used by an analytics tool to dedupe multiple values sent for the same\n * metric instance, or to group multiple deltas together and calculate a\n * total. It can also be used to differentiate multiple different metric\n * instances sent from the same page, which can happen if the page is\n * restored from the back/forward cache (in that case new metrics object\n * get created).\n */\n id: string;\n\n /**\n * Any performance entries relevant to the metric value calculation.\n * The array may also be empty if the metric value was not based on any\n * entries (e.g. a CLS value of 0 given no layout shifts).\n */\n entries: PerformanceEntry[];\n\n /**\n * The type of navigation\n *\n * Navigation Timing API (or `undefined` if the browser doesn't\n * support that API). For pages that are restored from the bfcache, this\n * value will be 'back-forward-cache'.\n */\n navigationType: 'navigate' | 'reload' | 'back-forward' | 'back-forward-cache' | 'prerender';\n}\n\ntype InstrumentHandlerType = InstrumentHandlerTypeMetric | InstrumentHandlerTypePerformanceObserver;\n\ntype StopListening = undefined | void | (() => void);\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\ntype InstrumentHandlerCallback = (data: any) => void;\n\ntype CleanupHandlerCallback = () => void;\n\nconst handlers: { [key in InstrumentHandlerType]?: InstrumentHandlerCallback[] } = {};\nconst instrumented: { [key in InstrumentHandlerType]?: boolean } = {};\n\nlet _previousCls: Metric | undefined;\nlet _previousFid: Metric | undefined;\nlet _previousLcp: Metric | undefined;\nlet _previousTtfb: Metric | undefined;\nlet _previousInp: Metric | undefined;\n\n/**\n * Add a callback that will be triggered when a CLS metric is available.\n * Returns a cleanup callback which can be called to remove the instrumentation handler.\n *\n * Pass `stopOnCallback = true` to stop listening for CLS when the cleanup callback is called.\n * This will lead to the CLS being finalized and frozen.\n */\nexport function addClsInstrumentationHandler(\n callback: (data: { metric: Metric }) => void,\n stopOnCallback = false,\n): CleanupHandlerCallback {\n return addMetricObserver('cls', callback, instrumentCls, _previousCls, stopOnCallback);\n}\n\n/**\n * Add a callback that will be triggered when a LCP metric is available.\n * Returns a cleanup callback which can be called to remove the instrumentation handler.\n *\n * Pass `stopOnCallback = true` to stop listening for LCP when the cleanup callback is called.\n * This will lead to the LCP being finalized and frozen.\n */\nexport function addLcpInstrumentationHandler(\n callback: (data: { metric: Metric }) => void,\n stopOnCallback = false,\n): CleanupHandlerCallback {\n return addMetricObserver('lcp', callback, instrumentLcp, _previousLcp, stopOnCallback);\n}\n\n/**\n * Add a callback that will be triggered when a FID metric is available.\n */\nexport function addTtfbInstrumentationHandler(callback: (data: { metric: Metric }) => void): CleanupHandlerCallback {\n return addMetricObserver('ttfb', callback, instrumentTtfb, _previousTtfb);\n}\n\n/**\n * Add a callback that will be triggered when a FID metric is available.\n * Returns a cleanup callback which can be called to remove the instrumentation handler.\n */\nexport function addFidInstrumentationHandler(callback: (data: { metric: Metric }) => void): CleanupHandlerCallback {\n return addMetricObserver('fid', callback, instrumentFid, _previousFid);\n}\n\n/**\n * Add a callback that will be triggered when a INP metric is available.\n * Returns a cleanup callback which can be called to remove the instrumentation handler.\n */\nexport function addInpInstrumentationHandler(\n callback: (data: { metric: Omit & { entries: PerformanceEventTiming[] } }) => void,\n): CleanupHandlerCallback {\n return addMetricObserver('inp', callback, instrumentInp, _previousInp);\n}\n\nexport function addPerformanceInstrumentationHandler(\n type: 'event' | 'first-input',\n callback: (data: { entries: ((PerformanceEntry & { target?: unknown | null }) | PerformanceEventTiming)[] }) => void,\n): CleanupHandlerCallback;\nexport function addPerformanceInstrumentationHandler(\n type: InstrumentHandlerTypePerformanceObserver,\n callback: (data: { entries: PerformanceEntry[] }) => void,\n): CleanupHandlerCallback;\n\n/**\n * Add a callback that will be triggered when a performance observer is triggered,\n * and receives the entries of the observer.\n * Returns a cleanup callback which can be called to remove the instrumentation handler.\n */\nexport function addPerformanceInstrumentationHandler(\n type: InstrumentHandlerTypePerformanceObserver,\n callback: (data: { entries: PerformanceEntry[] }) => void,\n): CleanupHandlerCallback {\n addHandler(type, callback);\n\n if (!instrumented[type]) {\n instrumentPerformanceObserver(type);\n instrumented[type] = true;\n }\n\n return getCleanupCallback(type, callback);\n}\n\n/** Trigger all handlers of a given type. */\nfunction triggerHandlers(type: InstrumentHandlerType, data: unknown): void {\n const typeHandlers = handlers[type];\n\n if (!typeHandlers || !typeHandlers.length) {\n return;\n }\n\n for (const handler of typeHandlers) {\n try {\n handler(data);\n } catch (e) {\n DEBUG_BUILD &&\n logger.error(\n `Error while triggering instrumentation handler.\\nType: ${type}\\nName: ${getFunctionName(handler)}\\nError:`,\n e,\n );\n }\n }\n}\n\nfunction instrumentCls(): StopListening {\n return onCLS(\n metric => {\n triggerHandlers('cls', {\n metric,\n });\n _previousCls = metric;\n },\n { reportAllChanges: true },\n );\n}\n\nfunction instrumentFid(): void {\n return onFID(metric => {\n triggerHandlers('fid', {\n metric,\n });\n _previousFid = metric;\n });\n}\n\nfunction instrumentLcp(): StopListening {\n return onLCP(metric => {\n triggerHandlers('lcp', {\n metric,\n });\n _previousLcp = metric;\n });\n}\n\nfunction instrumentTtfb(): StopListening {\n return onTTFB(metric => {\n triggerHandlers('ttfb', {\n metric,\n });\n _previousTtfb = metric;\n });\n}\n\nfunction instrumentInp(): void {\n return onINP(metric => {\n triggerHandlers('inp', {\n metric,\n });\n _previousInp = metric;\n });\n}\n\nfunction addMetricObserver(\n type: InstrumentHandlerTypeMetric,\n callback: InstrumentHandlerCallback,\n instrumentFn: () => StopListening,\n previousValue: Metric | undefined,\n stopOnCallback = false,\n): CleanupHandlerCallback {\n addHandler(type, callback);\n\n let stopListening: StopListening | undefined;\n\n if (!instrumented[type]) {\n stopListening = instrumentFn();\n instrumented[type] = true;\n }\n\n if (previousValue) {\n callback({ metric: previousValue });\n }\n\n return getCleanupCallback(type, callback, stopOnCallback ? stopListening : undefined);\n}\n\nfunction instrumentPerformanceObserver(type: InstrumentHandlerTypePerformanceObserver): void {\n const options: PerformanceObserverInit = {};\n\n // Special per-type options we want to use\n if (type === 'event') {\n options.durationThreshold = 0;\n }\n\n observe(\n type,\n entries => {\n triggerHandlers(type, { entries });\n },\n options,\n );\n}\n\nfunction addHandler(type: InstrumentHandlerType, handler: InstrumentHandlerCallback): void {\n handlers[type] = handlers[type] || [];\n (handlers[type] as InstrumentHandlerCallback[]).push(handler);\n}\n\n// Get a callback which can be called to remove the instrumentation handler\nfunction getCleanupCallback(\n type: InstrumentHandlerType,\n callback: InstrumentHandlerCallback,\n stopListening: StopListening,\n): CleanupHandlerCallback {\n return () => {\n if (stopListening) {\n stopListening();\n }\n\n const typeHandlers = handlers[type];\n\n if (!typeHandlers) {\n return;\n }\n\n const index = typeHandlers.indexOf(callback);\n if (index !== -1) {\n typeHandlers.splice(index, 1);\n }\n };\n}\n","import type { DsnComponents, SpanEnvelope, SpanItem } from '@sentry/types';\nimport type { Span } from '@sentry/types';\nimport { createEnvelope, dsnToString } from '@sentry/utils';\n\n/**\n * Create envelope from Span item.\n */\nexport function createSpanEnvelope(spans: Span[], dsn?: DsnComponents): SpanEnvelope {\n const headers: SpanEnvelope[0] = {\n sent_at: new Date().toISOString(),\n };\n\n if (dsn) {\n headers.dsn = dsnToString(dsn);\n }\n\n const items = spans.map(createSpanItem);\n return createEnvelope(headers, items);\n}\n\nfunction createSpanItem(span: Span): SpanItem {\n const spanHeaders: SpanItem[0] = {\n type: 'span',\n };\n return [spanHeaders, span];\n}\n","import type { Transaction } from '@sentry/core';\nimport type { Span, SpanContext } from '@sentry/types';\n\n/**\n * Checks if a given value is a valid measurement value.\n */\nexport function isMeasurementValue(value: unknown): value is number {\n return typeof value === 'number' && isFinite(value);\n}\n\n/**\n * Helper function to start child on transactions. This function will make sure that the transaction will\n * use the start timestamp of the created child span if it is earlier than the transactions actual\n * start timestamp.\n *\n * Note: this will not be possible anymore in v8,\n * unless we do some special handling for browser here...\n */\nexport function _startChild(transaction: Transaction, { startTimestamp, ...ctx }: SpanContext): Span {\n // eslint-disable-next-line deprecation/deprecation\n if (startTimestamp && transaction.startTimestamp > startTimestamp) {\n // eslint-disable-next-line deprecation/deprecation\n transaction.startTimestamp = startTimestamp;\n }\n\n // eslint-disable-next-line deprecation/deprecation\n return transaction.startChild({\n startTimestamp,\n ...ctx,\n });\n}\n","/* eslint-disable max-lines */\nimport type { IdleTransaction, Transaction } from '@sentry/core';\nimport {\n Span,\n getActiveTransaction,\n getClient,\n hasTracingEnabled,\n isValidSampleRate,\n setMeasurement,\n} from '@sentry/core';\nimport type { ClientOptions, Measurements, SpanContext, TransactionContext } from '@sentry/types';\nimport { browserPerformanceTimeOrigin, getComponentName, htmlTreeAsString, logger, parseUrl } from '@sentry/utils';\n\nimport { spanToJSON } from '@sentry/core';\nimport { DEBUG_BUILD } from '../../common/debug-build';\nimport {\n addClsInstrumentationHandler,\n addFidInstrumentationHandler,\n addInpInstrumentationHandler,\n addLcpInstrumentationHandler,\n addPerformanceInstrumentationHandler,\n addTtfbInstrumentationHandler,\n} from '../instrument';\nimport { WINDOW } from '../types';\nimport { getVisibilityWatcher } from '../web-vitals/lib/getVisibilityWatcher';\nimport type {\n InteractionRouteNameMapping,\n NavigatorDeviceMemory,\n NavigatorNetworkInformation,\n} from '../web-vitals/types';\nimport { _startChild, isMeasurementValue } from './utils';\n\nimport { createSpanEnvelope } from '@sentry/core';\nimport { getNavigationEntry } from '../web-vitals/lib/getNavigationEntry';\n\nconst MAX_INT_AS_BYTES = 2147483647;\n\n/**\n * Converts from milliseconds to seconds\n * @param time time in ms\n */\nfunction msToSec(time: number): number {\n return time / 1000;\n}\n\nfunction getBrowserPerformanceAPI(): Performance | undefined {\n // @ts-expect-error we want to make sure all of these are available, even if TS is sure they are\n return WINDOW && WINDOW.addEventListener && WINDOW.performance;\n}\n\nlet _performanceCursor: number = 0;\n\nlet _measurements: Measurements = {};\nlet _lcpEntry: LargestContentfulPaint | undefined;\nlet _clsEntry: LayoutShift | undefined;\n\n/**\n * Start tracking web vitals.\n * The callback returned by this function can be used to stop tracking & ensure all measurements are final & captured.\n *\n * @returns A function that forces web vitals collection\n */\nexport function startTrackingWebVitals(): () => void {\n const performance = getBrowserPerformanceAPI();\n if (performance && browserPerformanceTimeOrigin) {\n // @ts-expect-error we want to make sure all of these are available, even if TS is sure they are\n if (performance.mark) {\n WINDOW.performance.mark('sentry-tracing-init');\n }\n const fidCallback = _trackFID();\n const clsCallback = _trackCLS();\n const lcpCallback = _trackLCP();\n const ttfbCallback = _trackTtfb();\n\n return (): void => {\n fidCallback();\n clsCallback();\n lcpCallback();\n ttfbCallback();\n };\n }\n\n return () => undefined;\n}\n\n/**\n * Start tracking long tasks.\n */\nexport function startTrackingLongTasks(): void {\n addPerformanceInstrumentationHandler('longtask', ({ entries }) => {\n for (const entry of entries) {\n // eslint-disable-next-line deprecation/deprecation\n const transaction = getActiveTransaction() as IdleTransaction | undefined;\n if (!transaction) {\n return;\n }\n const startTime = msToSec((browserPerformanceTimeOrigin as number) + entry.startTime);\n const duration = msToSec(entry.duration);\n\n // eslint-disable-next-line deprecation/deprecation\n transaction.startChild({\n description: 'Main UI thread blocked',\n op: 'ui.long-task',\n origin: 'auto.ui.browser.metrics',\n startTimestamp: startTime,\n endTimestamp: startTime + duration,\n });\n }\n });\n}\n\n/**\n * Start tracking interaction events.\n */\nexport function startTrackingInteractions(): void {\n addPerformanceInstrumentationHandler('event', ({ entries }) => {\n for (const entry of entries) {\n // eslint-disable-next-line deprecation/deprecation\n const transaction = getActiveTransaction() as IdleTransaction | undefined;\n if (!transaction) {\n return;\n }\n\n if (entry.name === 'click') {\n const startTime = msToSec((browserPerformanceTimeOrigin as number) + entry.startTime);\n const duration = msToSec(entry.duration);\n\n const span: SpanContext = {\n description: htmlTreeAsString(entry.target),\n op: `ui.interaction.${entry.name}`,\n origin: 'auto.ui.browser.metrics',\n startTimestamp: startTime,\n endTimestamp: startTime + duration,\n };\n\n const componentName = getComponentName(entry.target);\n if (componentName) {\n span.attributes = { 'ui.component_name': componentName };\n }\n\n // eslint-disable-next-line deprecation/deprecation\n transaction.startChild(span);\n }\n }\n });\n}\n\n/**\n * Start tracking INP webvital events.\n */\nexport function startTrackingINP(\n interactionIdtoRouteNameMapping: InteractionRouteNameMapping,\n interactionsSampleRate: number,\n): () => void {\n const performance = getBrowserPerformanceAPI();\n if (performance && browserPerformanceTimeOrigin) {\n const inpCallback = _trackINP(interactionIdtoRouteNameMapping, interactionsSampleRate);\n\n return (): void => {\n inpCallback();\n };\n }\n\n return () => undefined;\n}\n\n/** Starts tracking the Cumulative Layout Shift on the current page. */\nfunction _trackCLS(): () => void {\n return addClsInstrumentationHandler(({ metric }) => {\n const entry = metric.entries[metric.entries.length - 1];\n if (!entry) {\n return;\n }\n\n DEBUG_BUILD && logger.log('[Measurements] Adding CLS');\n _measurements['cls'] = { value: metric.value, unit: '' };\n _clsEntry = entry as LayoutShift;\n }, true);\n}\n\n/** Starts tracking the Largest Contentful Paint on the current page. */\nfunction _trackLCP(): () => void {\n return addLcpInstrumentationHandler(({ metric }) => {\n const entry = metric.entries[metric.entries.length - 1];\n if (!entry) {\n return;\n }\n\n DEBUG_BUILD && logger.log('[Measurements] Adding LCP');\n _measurements['lcp'] = { value: metric.value, unit: 'millisecond' };\n _lcpEntry = entry as LargestContentfulPaint;\n }, true);\n}\n\n/** Starts tracking the First Input Delay on the current page. */\nfunction _trackFID(): () => void {\n return addFidInstrumentationHandler(({ metric }) => {\n const entry = metric.entries[metric.entries.length - 1];\n if (!entry) {\n return;\n }\n\n const timeOrigin = msToSec(browserPerformanceTimeOrigin as number);\n const startTime = msToSec(entry.startTime);\n DEBUG_BUILD && logger.log('[Measurements] Adding FID');\n _measurements['fid'] = { value: metric.value, unit: 'millisecond' };\n _measurements['mark.fid'] = { value: timeOrigin + startTime, unit: 'second' };\n });\n}\n\nfunction _trackTtfb(): () => void {\n return addTtfbInstrumentationHandler(({ metric }) => {\n const entry = metric.entries[metric.entries.length - 1];\n if (!entry) {\n return;\n }\n\n DEBUG_BUILD && logger.log('[Measurements] Adding TTFB');\n _measurements['ttfb'] = { value: metric.value, unit: 'millisecond' };\n });\n}\n\nconst INP_ENTRY_MAP: Record = {\n click: 'click',\n pointerdown: 'click',\n pointerup: 'click',\n mousedown: 'click',\n mouseup: 'click',\n touchstart: 'click',\n touchend: 'click',\n mouseover: 'hover',\n mouseout: 'hover',\n mouseenter: 'hover',\n mouseleave: 'hover',\n pointerover: 'hover',\n pointerout: 'hover',\n pointerenter: 'hover',\n pointerleave: 'hover',\n dragstart: 'drag',\n dragend: 'drag',\n drag: 'drag',\n dragenter: 'drag',\n dragleave: 'drag',\n dragover: 'drag',\n drop: 'drag',\n keydown: 'press',\n keyup: 'press',\n keypress: 'press',\n input: 'press',\n};\n\n/** Starts tracking the Interaction to Next Paint on the current page. */\nfunction _trackINP(\n interactionIdToRouteNameMapping: InteractionRouteNameMapping,\n interactionsSampleRate: number,\n): () => void {\n return addInpInstrumentationHandler(({ metric }) => {\n if (metric.value === undefined) {\n return;\n }\n const entry = metric.entries.find(\n entry => entry.duration === metric.value && INP_ENTRY_MAP[entry.name] !== undefined,\n );\n const client = getClient();\n if (!entry || !client) {\n return;\n }\n const interactionType = INP_ENTRY_MAP[entry.name];\n const options = client.getOptions();\n /** Build the INP span, create an envelope from the span, and then send the envelope */\n const startTime = msToSec((browserPerformanceTimeOrigin as number) + entry.startTime);\n const duration = msToSec(metric.value);\n const interaction =\n entry.interactionId !== undefined ? interactionIdToRouteNameMapping[entry.interactionId] : undefined;\n if (interaction === undefined) {\n return;\n }\n const { routeName, parentContext, activeTransaction, user, replayId } = interaction;\n const userDisplay = user !== undefined ? user.email || user.id || user.ip_address : undefined;\n // eslint-disable-next-line deprecation/deprecation\n const profileId = activeTransaction !== undefined ? activeTransaction.getProfileId() : undefined;\n const span = new Span({\n startTimestamp: startTime,\n endTimestamp: startTime + duration,\n op: `ui.interaction.${interactionType}`,\n name: htmlTreeAsString(entry.target),\n attributes: {\n release: options.release,\n environment: options.environment,\n transaction: routeName,\n ...(userDisplay !== undefined && userDisplay !== '' ? { user: userDisplay } : {}),\n ...(profileId !== undefined ? { profile_id: profileId } : {}),\n ...(replayId !== undefined ? { replay_id: replayId } : {}),\n },\n exclusiveTime: metric.value,\n measurements: {\n inp: { value: metric.value, unit: 'millisecond' },\n },\n });\n\n /** Check to see if the span should be sampled */\n const sampleRate = getSampleRate(parentContext, options, interactionsSampleRate);\n\n if (!sampleRate) {\n return;\n }\n\n if (Math.random() < (sampleRate as number | boolean)) {\n const envelope = span ? createSpanEnvelope([span], client.getDsn()) : undefined;\n const transport = client && client.getTransport();\n if (transport && envelope) {\n transport.send(envelope).then(null, reason => {\n DEBUG_BUILD && logger.error('Error while sending interaction:', reason);\n });\n }\n return;\n }\n });\n}\n\n/** Add performance related spans to a transaction */\nexport function addPerformanceEntries(transaction: Transaction): void {\n const performance = getBrowserPerformanceAPI();\n if (!performance || !WINDOW.performance.getEntries || !browserPerformanceTimeOrigin) {\n // Gatekeeper if performance API not available\n return;\n }\n\n DEBUG_BUILD && logger.log('[Tracing] Adding & adjusting spans using Performance API');\n const timeOrigin = msToSec(browserPerformanceTimeOrigin);\n\n const performanceEntries = performance.getEntries();\n\n const { op, start_timestamp: transactionStartTime } = spanToJSON(transaction);\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n performanceEntries.slice(_performanceCursor).forEach((entry: Record) => {\n const startTime = msToSec(entry.startTime);\n const duration = msToSec(entry.duration);\n\n // eslint-disable-next-line deprecation/deprecation\n if (transaction.op === 'navigation' && transactionStartTime && timeOrigin + startTime < transactionStartTime) {\n return;\n }\n\n switch (entry.entryType) {\n case 'navigation': {\n _addNavigationSpans(transaction, entry, timeOrigin);\n break;\n }\n case 'mark':\n case 'paint':\n case 'measure': {\n _addMeasureSpans(transaction, entry, startTime, duration, timeOrigin);\n\n // capture web vitals\n const firstHidden = getVisibilityWatcher();\n // Only report if the page wasn't hidden prior to the web vital.\n const shouldRecord = entry.startTime < firstHidden.firstHiddenTime;\n\n if (entry.name === 'first-paint' && shouldRecord) {\n DEBUG_BUILD && logger.log('[Measurements] Adding FP');\n _measurements['fp'] = { value: entry.startTime, unit: 'millisecond' };\n }\n if (entry.name === 'first-contentful-paint' && shouldRecord) {\n DEBUG_BUILD && logger.log('[Measurements] Adding FCP');\n _measurements['fcp'] = { value: entry.startTime, unit: 'millisecond' };\n }\n break;\n }\n case 'resource': {\n _addResourceSpans(transaction, entry, entry.name as string, startTime, duration, timeOrigin);\n break;\n }\n default:\n // Ignore other entry types.\n }\n });\n\n _performanceCursor = Math.max(performanceEntries.length - 1, 0);\n\n _trackNavigator(transaction);\n\n // Measurements are only available for pageload transactions\n if (op === 'pageload') {\n _addTtfbRequestTimeToMeasurements(_measurements);\n\n ['fcp', 'fp', 'lcp'].forEach(name => {\n if (!_measurements[name] || !transactionStartTime || timeOrigin >= transactionStartTime) {\n return;\n }\n // The web vitals, fcp, fp, lcp, and ttfb, all measure relative to timeOrigin.\n // Unfortunately, timeOrigin is not captured within the transaction span data, so these web vitals will need\n // to be adjusted to be relative to transaction.startTimestamp.\n const oldValue = _measurements[name].value;\n const measurementTimestamp = timeOrigin + msToSec(oldValue);\n\n // normalizedValue should be in milliseconds\n const normalizedValue = Math.abs((measurementTimestamp - transactionStartTime) * 1000);\n const delta = normalizedValue - oldValue;\n\n DEBUG_BUILD && logger.log(`[Measurements] Normalized ${name} from ${oldValue} to ${normalizedValue} (${delta})`);\n _measurements[name].value = normalizedValue;\n });\n\n const fidMark = _measurements['mark.fid'];\n if (fidMark && _measurements['fid']) {\n // create span for FID\n _startChild(transaction, {\n description: 'first input delay',\n endTimestamp: fidMark.value + msToSec(_measurements['fid'].value),\n op: 'ui.action',\n origin: 'auto.ui.browser.metrics',\n startTimestamp: fidMark.value,\n });\n\n // Delete mark.fid as we don't want it to be part of final payload\n delete _measurements['mark.fid'];\n }\n\n // If FCP is not recorded we should not record the cls value\n // according to the new definition of CLS.\n if (!('fcp' in _measurements)) {\n delete _measurements.cls;\n }\n\n Object.keys(_measurements).forEach(measurementName => {\n setMeasurement(measurementName, _measurements[measurementName].value, _measurements[measurementName].unit);\n });\n\n _tagMetricInfo(transaction);\n }\n\n _lcpEntry = undefined;\n _clsEntry = undefined;\n _measurements = {};\n}\n\n/** Create measure related spans */\nexport function _addMeasureSpans(\n transaction: Transaction,\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n entry: Record,\n startTime: number,\n duration: number,\n timeOrigin: number,\n): number {\n const measureStartTimestamp = timeOrigin + startTime;\n const measureEndTimestamp = measureStartTimestamp + duration;\n\n _startChild(transaction, {\n description: entry.name as string,\n endTimestamp: measureEndTimestamp,\n op: entry.entryType as string,\n origin: 'auto.resource.browser.metrics',\n startTimestamp: measureStartTimestamp,\n });\n\n return measureStartTimestamp;\n}\n\n/** Instrument navigation entries */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction _addNavigationSpans(transaction: Transaction, entry: Record, timeOrigin: number): void {\n ['unloadEvent', 'redirect', 'domContentLoadedEvent', 'loadEvent', 'connect'].forEach(event => {\n _addPerformanceNavigationTiming(transaction, entry, event, timeOrigin);\n });\n _addPerformanceNavigationTiming(transaction, entry, 'secureConnection', timeOrigin, 'TLS/SSL', 'connectEnd');\n _addPerformanceNavigationTiming(transaction, entry, 'fetch', timeOrigin, 'cache', 'domainLookupStart');\n _addPerformanceNavigationTiming(transaction, entry, 'domainLookup', timeOrigin, 'DNS');\n _addRequest(transaction, entry, timeOrigin);\n}\n\n/** Create performance navigation related spans */\nfunction _addPerformanceNavigationTiming(\n transaction: Transaction,\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n entry: Record,\n event: string,\n timeOrigin: number,\n description?: string,\n eventEnd?: string,\n): void {\n const end = eventEnd ? (entry[eventEnd] as number | undefined) : (entry[`${event}End`] as number | undefined);\n const start = entry[`${event}Start`] as number | undefined;\n if (!start || !end) {\n return;\n }\n _startChild(transaction, {\n op: 'browser',\n origin: 'auto.browser.browser.metrics',\n description: description || event,\n startTimestamp: timeOrigin + msToSec(start),\n endTimestamp: timeOrigin + msToSec(end),\n });\n}\n\n/** Create request and response related spans */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction _addRequest(transaction: Transaction, entry: Record, timeOrigin: number): void {\n if (entry.responseEnd) {\n // It is possible that we are collecting these metrics when the page hasn't finished loading yet, for example when the HTML slowly streams in.\n // In this case, ie. when the document request hasn't finished yet, `entry.responseEnd` will be 0.\n // In order not to produce faulty spans, where the end timestamp is before the start timestamp, we will only collect\n // these spans when the responseEnd value is available. The backend (Relay) would drop the entire transaction if it contained faulty spans.\n _startChild(transaction, {\n op: 'browser',\n origin: 'auto.browser.browser.metrics',\n description: 'request',\n startTimestamp: timeOrigin + msToSec(entry.requestStart as number),\n endTimestamp: timeOrigin + msToSec(entry.responseEnd as number),\n });\n\n _startChild(transaction, {\n op: 'browser',\n origin: 'auto.browser.browser.metrics',\n description: 'response',\n startTimestamp: timeOrigin + msToSec(entry.responseStart as number),\n endTimestamp: timeOrigin + msToSec(entry.responseEnd as number),\n });\n }\n}\n\nexport interface ResourceEntry extends Record {\n initiatorType?: string;\n transferSize?: number;\n encodedBodySize?: number;\n decodedBodySize?: number;\n renderBlockingStatus?: string;\n}\n\n/** Create resource-related spans */\nexport function _addResourceSpans(\n transaction: Transaction,\n entry: ResourceEntry,\n resourceUrl: string,\n startTime: number,\n duration: number,\n timeOrigin: number,\n): void {\n // we already instrument based on fetch and xhr, so we don't need to\n // duplicate spans here.\n if (entry.initiatorType === 'xmlhttprequest' || entry.initiatorType === 'fetch') {\n return;\n }\n\n const parsedUrl = parseUrl(resourceUrl);\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const data: Record = {};\n setResourceEntrySizeData(data, entry, 'transferSize', 'http.response_transfer_size');\n setResourceEntrySizeData(data, entry, 'encodedBodySize', 'http.response_content_length');\n setResourceEntrySizeData(data, entry, 'decodedBodySize', 'http.decoded_response_content_length');\n\n if ('renderBlockingStatus' in entry) {\n data['resource.render_blocking_status'] = entry.renderBlockingStatus;\n }\n if (parsedUrl.protocol) {\n data['url.scheme'] = parsedUrl.protocol.split(':').pop(); // the protocol returned by parseUrl includes a :, but OTEL spec does not, so we remove it.\n }\n\n if (parsedUrl.host) {\n data['server.address'] = parsedUrl.host;\n }\n\n data['url.same_origin'] = resourceUrl.includes(WINDOW.location.origin);\n\n const startTimestamp = timeOrigin + startTime;\n const endTimestamp = startTimestamp + duration;\n\n _startChild(transaction, {\n description: resourceUrl.replace(WINDOW.location.origin, ''),\n endTimestamp,\n op: entry.initiatorType ? `resource.${entry.initiatorType}` : 'resource.other',\n origin: 'auto.resource.browser.metrics',\n startTimestamp,\n data,\n });\n}\n\n/**\n * Capture the information of the user agent.\n */\nfunction _trackNavigator(transaction: Transaction): void {\n const navigator = WINDOW.navigator as null | (Navigator & NavigatorNetworkInformation & NavigatorDeviceMemory);\n if (!navigator) {\n return;\n }\n\n // track network connectivity\n const connection = navigator.connection;\n if (connection) {\n if (connection.effectiveType) {\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('effectiveConnectionType', connection.effectiveType);\n }\n\n if (connection.type) {\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('connectionType', connection.type);\n }\n\n if (isMeasurementValue(connection.rtt)) {\n _measurements['connection.rtt'] = { value: connection.rtt, unit: 'millisecond' };\n }\n }\n\n if (isMeasurementValue(navigator.deviceMemory)) {\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('deviceMemory', `${navigator.deviceMemory} GB`);\n }\n\n if (isMeasurementValue(navigator.hardwareConcurrency)) {\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('hardwareConcurrency', String(navigator.hardwareConcurrency));\n }\n}\n\n/** Add LCP / CLS data to transaction to allow debugging */\nfunction _tagMetricInfo(transaction: Transaction): void {\n if (_lcpEntry) {\n DEBUG_BUILD && logger.log('[Measurements] Adding LCP Data');\n\n // Capture Properties of the LCP element that contributes to the LCP.\n\n if (_lcpEntry.element) {\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('lcp.element', htmlTreeAsString(_lcpEntry.element));\n }\n\n if (_lcpEntry.id) {\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('lcp.id', _lcpEntry.id);\n }\n\n if (_lcpEntry.url) {\n // Trim URL to the first 200 characters.\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('lcp.url', _lcpEntry.url.trim().slice(0, 200));\n }\n\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag('lcp.size', _lcpEntry.size);\n }\n\n // See: https://developer.mozilla.org/en-US/docs/Web/API/LayoutShift\n if (_clsEntry && _clsEntry.sources) {\n DEBUG_BUILD && logger.log('[Measurements] Adding CLS Data');\n _clsEntry.sources.forEach((source, index) =>\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n transaction.setTag(`cls.source.${index + 1}`, htmlTreeAsString(source.node)),\n );\n }\n}\n\nfunction setResourceEntrySizeData(\n data: Record,\n entry: ResourceEntry,\n key: keyof Pick,\n dataKey: 'http.response_transfer_size' | 'http.response_content_length' | 'http.decoded_response_content_length',\n): void {\n const entryVal = entry[key];\n if (entryVal != null && entryVal < MAX_INT_AS_BYTES) {\n data[dataKey] = entryVal;\n }\n}\n\n/**\n * Add ttfb request time information to measurements.\n *\n * ttfb information is added via vendored web vitals library.\n */\nfunction _addTtfbRequestTimeToMeasurements(_measurements: Measurements): void {\n const navEntry = getNavigationEntry();\n if (!navEntry) {\n return;\n }\n\n const { responseStart, requestStart } = navEntry;\n\n if (requestStart <= responseStart) {\n DEBUG_BUILD && logger.log('[Measurements] Adding TTFB Request Time');\n _measurements['ttfb.requestTime'] = {\n value: responseStart - requestStart,\n unit: 'millisecond',\n };\n }\n}\n\n/** Taken from @sentry/core sampling.ts */\nfunction getSampleRate(\n transactionContext: TransactionContext | undefined,\n options: ClientOptions,\n interactionsSampleRate: number,\n): number | boolean {\n if (!hasTracingEnabled(options)) {\n return false;\n }\n let sampleRate;\n if (transactionContext !== undefined && typeof options.tracesSampler === 'function') {\n sampleRate = options.tracesSampler({\n transactionContext,\n name: transactionContext.name,\n parentSampled: transactionContext.parentSampled,\n attributes: {\n // eslint-disable-next-line deprecation/deprecation\n ...transactionContext.data,\n ...transactionContext.attributes,\n },\n location: WINDOW.location,\n });\n } else if (transactionContext !== undefined && transactionContext.sampled !== undefined) {\n sampleRate = transactionContext.sampled;\n } else if (typeof options.tracesSampleRate !== 'undefined') {\n sampleRate = options.tracesSampleRate;\n } else {\n sampleRate = 1;\n }\n if (!isValidSampleRate(sampleRate)) {\n DEBUG_BUILD && logger.warn('[Tracing] Discarding interaction span because of invalid sample rate.');\n return false;\n }\n if (sampleRate === true) {\n return interactionsSampleRate;\n } else if (sampleRate === false) {\n return 0;\n }\n return sampleRate * interactionsSampleRate;\n}\n","import {\n SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,\n getClient,\n getCurrentScope,\n getDynamicSamplingContextFromClient,\n getDynamicSamplingContextFromSpan,\n getIsolationScope,\n hasTracingEnabled,\n setHttpStatus,\n spanToTraceHeader,\n startInactiveSpan,\n} from '@sentry/core';\nimport type { Client, HandlerDataFetch, Scope, Span, SpanOrigin } from '@sentry/types';\nimport {\n BAGGAGE_HEADER_NAME,\n dynamicSamplingContextToSentryBaggageHeader,\n generateSentryTraceHeader,\n isInstanceOf,\n parseUrl,\n} from '@sentry/utils';\n\ntype PolymorphicRequestHeaders =\n | Record\n | Array<[string, string]>\n // the below is not preicsely the Header type used in Request, but it'll pass duck-typing\n | {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n [key: string]: any;\n append: (key: string, value: string) => void;\n get: (key: string) => string | null | undefined;\n };\n\n/**\n * Create and track fetch request spans for usage in combination with `addInstrumentationHandler`.\n *\n * @returns Span if a span was created, otherwise void.\n */\nexport function instrumentFetchRequest(\n handlerData: HandlerDataFetch,\n shouldCreateSpan: (url: string) => boolean,\n shouldAttachHeaders: (url: string) => boolean,\n spans: Record,\n spanOrigin: SpanOrigin = 'auto.http.browser',\n): Span | undefined {\n if (!hasTracingEnabled() || !handlerData.fetchData) {\n return undefined;\n }\n\n const shouldCreateSpanResult = shouldCreateSpan(handlerData.fetchData.url);\n\n if (handlerData.endTimestamp && shouldCreateSpanResult) {\n const spanId = handlerData.fetchData.__span;\n if (!spanId) return;\n\n const span = spans[spanId];\n if (span) {\n endSpan(span, handlerData);\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete spans[spanId];\n }\n return undefined;\n }\n\n const scope = getCurrentScope();\n const client = getClient();\n\n const { method, url } = handlerData.fetchData;\n\n const fullUrl = getFullURL(url);\n const host = fullUrl ? parseUrl(fullUrl).host : undefined;\n\n const span = shouldCreateSpanResult\n ? startInactiveSpan({\n name: `${method} ${url}`,\n onlyIfParent: true,\n attributes: {\n url,\n type: 'fetch',\n 'http.method': method,\n 'http.url': fullUrl,\n 'server.address': host,\n [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: spanOrigin,\n },\n op: 'http.client',\n })\n : undefined;\n\n if (span) {\n handlerData.fetchData.__span = span.spanContext().spanId;\n spans[span.spanContext().spanId] = span;\n }\n\n if (shouldAttachHeaders(handlerData.fetchData.url) && client) {\n const request: string | Request = handlerData.args[0];\n\n // In case the user hasn't set the second argument of a fetch call we default it to `{}`.\n handlerData.args[1] = handlerData.args[1] || {};\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const options: { [key: string]: any } = handlerData.args[1];\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access\n options.headers = addTracingHeadersToFetchRequest(request, client, scope, options, span);\n }\n\n return span;\n}\n\n/**\n * Adds sentry-trace and baggage headers to the various forms of fetch headers\n */\nexport function addTracingHeadersToFetchRequest(\n request: string | unknown, // unknown is actually type Request but we can't export DOM types from this package,\n client: Client,\n scope: Scope,\n options: {\n headers?:\n | {\n [key: string]: string[] | string | undefined;\n }\n | PolymorphicRequestHeaders;\n },\n requestSpan?: Span,\n): PolymorphicRequestHeaders | undefined {\n // eslint-disable-next-line deprecation/deprecation\n const span = requestSpan || scope.getSpan();\n\n const isolationScope = getIsolationScope();\n\n const { traceId, spanId, sampled, dsc } = {\n ...isolationScope.getPropagationContext(),\n ...scope.getPropagationContext(),\n };\n\n const sentryTraceHeader = span ? spanToTraceHeader(span) : generateSentryTraceHeader(traceId, spanId, sampled);\n\n const sentryBaggageHeader = dynamicSamplingContextToSentryBaggageHeader(\n dsc ||\n (span ? getDynamicSamplingContextFromSpan(span) : getDynamicSamplingContextFromClient(traceId, client, scope)),\n );\n\n const headers =\n options.headers ||\n (typeof Request !== 'undefined' && isInstanceOf(request, Request) ? (request as Request).headers : undefined);\n\n if (!headers) {\n return { 'sentry-trace': sentryTraceHeader, baggage: sentryBaggageHeader };\n } else if (typeof Headers !== 'undefined' && isInstanceOf(headers, Headers)) {\n const newHeaders = new Headers(headers as Headers);\n\n newHeaders.append('sentry-trace', sentryTraceHeader);\n\n if (sentryBaggageHeader) {\n // If the same header is appended multiple times the browser will merge the values into a single request header.\n // Its therefore safe to simply push a \"baggage\" entry, even though there might already be another baggage header.\n newHeaders.append(BAGGAGE_HEADER_NAME, sentryBaggageHeader);\n }\n\n return newHeaders as PolymorphicRequestHeaders;\n } else if (Array.isArray(headers)) {\n const newHeaders = [...headers, ['sentry-trace', sentryTraceHeader]];\n\n if (sentryBaggageHeader) {\n // If there are multiple entries with the same key, the browser will merge the values into a single request header.\n // Its therefore safe to simply push a \"baggage\" entry, even though there might already be another baggage header.\n newHeaders.push([BAGGAGE_HEADER_NAME, sentryBaggageHeader]);\n }\n\n return newHeaders as PolymorphicRequestHeaders;\n } else {\n const existingBaggageHeader = 'baggage' in headers ? headers.baggage : undefined;\n const newBaggageHeaders: string[] = [];\n\n if (Array.isArray(existingBaggageHeader)) {\n newBaggageHeaders.push(...existingBaggageHeader);\n } else if (existingBaggageHeader) {\n newBaggageHeaders.push(existingBaggageHeader);\n }\n\n if (sentryBaggageHeader) {\n newBaggageHeaders.push(sentryBaggageHeader);\n }\n\n return {\n ...(headers as Exclude),\n 'sentry-trace': sentryTraceHeader,\n baggage: newBaggageHeaders.length > 0 ? newBaggageHeaders.join(',') : undefined,\n };\n }\n}\n\nfunction getFullURL(url: string): string | undefined {\n try {\n const parsed = new URL(url);\n return parsed.href;\n } catch {\n return undefined;\n }\n}\n\nfunction endSpan(span: Span, handlerData: HandlerDataFetch): void {\n if (handlerData.response) {\n setHttpStatus(span, handlerData.response.status);\n\n const contentLength =\n handlerData.response && handlerData.response.headers && handlerData.response.headers.get('content-length');\n\n if (contentLength) {\n const contentLengthNum = parseInt(contentLength);\n if (contentLengthNum > 0) {\n span.setAttribute('http.response_content_length', contentLengthNum);\n }\n }\n } else if (handlerData.error) {\n span.setStatus('internal_error');\n }\n span.end();\n}\n","/* eslint-disable max-lines */\nimport {\n SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,\n getClient,\n getCurrentScope,\n getDynamicSamplingContextFromClient,\n getDynamicSamplingContextFromSpan,\n getIsolationScope,\n hasTracingEnabled,\n setHttpStatus,\n spanToJSON,\n spanToTraceHeader,\n startInactiveSpan,\n} from '@sentry/core';\nimport type { HandlerDataXhr, SentryWrappedXMLHttpRequest, Span } from '@sentry/types';\nimport {\n BAGGAGE_HEADER_NAME,\n SENTRY_XHR_DATA_KEY,\n addFetchInstrumentationHandler,\n addXhrInstrumentationHandler,\n browserPerformanceTimeOrigin,\n dynamicSamplingContextToSentryBaggageHeader,\n generateSentryTraceHeader,\n parseUrl,\n stringMatchesSomePattern,\n} from '@sentry/utils';\n\nimport { instrumentFetchRequest } from '../common/fetch';\nimport { addPerformanceInstrumentationHandler } from './instrument';\nimport { WINDOW } from './types';\n\nexport const DEFAULT_TRACE_PROPAGATION_TARGETS = ['localhost', /^\\/(?!\\/)/];\n\n/** Options for Request Instrumentation */\nexport interface RequestInstrumentationOptions {\n /**\n * @deprecated Will be removed in v8.\n * Use `shouldCreateSpanForRequest` to control span creation and `tracePropagationTargets` to control\n * trace header attachment.\n */\n tracingOrigins: Array;\n\n /**\n * List of strings and/or regexes used to determine which outgoing requests will have `sentry-trace` and `baggage`\n * headers attached.\n *\n * @deprecated Use the top-level `tracePropagationTargets` option in `Sentry.init` instead.\n * This option will be removed in v8.\n *\n * Default: ['localhost', /^\\//] @see {DEFAULT_TRACE_PROPAGATION_TARGETS}\n */\n tracePropagationTargets: Array;\n\n /**\n * Flag to disable patching all together for fetch requests.\n *\n * Default: true\n */\n traceFetch: boolean;\n\n /**\n * Flag to disable patching all together for xhr requests.\n *\n * Default: true\n */\n traceXHR: boolean;\n\n /**\n * If true, Sentry will capture http timings and add them to the corresponding http spans.\n *\n * Default: true\n */\n enableHTTPTimings: boolean;\n\n /**\n * This function will be called before creating a span for a request with the given url.\n * Return false if you don't want a span for the given url.\n *\n * Default: (url: string) => true\n */\n shouldCreateSpanForRequest?(this: void, url: string): boolean;\n}\n\nexport const defaultRequestInstrumentationOptions: RequestInstrumentationOptions = {\n traceFetch: true,\n traceXHR: true,\n enableHTTPTimings: true,\n // TODO (v8): Remove this property\n tracingOrigins: DEFAULT_TRACE_PROPAGATION_TARGETS,\n tracePropagationTargets: DEFAULT_TRACE_PROPAGATION_TARGETS,\n};\n\n/** Registers span creators for xhr and fetch requests */\nexport function instrumentOutgoingRequests(_options?: Partial): void {\n const {\n traceFetch,\n traceXHR,\n // eslint-disable-next-line deprecation/deprecation\n tracePropagationTargets,\n // eslint-disable-next-line deprecation/deprecation\n tracingOrigins,\n shouldCreateSpanForRequest,\n enableHTTPTimings,\n } = {\n traceFetch: defaultRequestInstrumentationOptions.traceFetch,\n traceXHR: defaultRequestInstrumentationOptions.traceXHR,\n ..._options,\n };\n\n const shouldCreateSpan =\n typeof shouldCreateSpanForRequest === 'function' ? shouldCreateSpanForRequest : (_: string) => true;\n\n // TODO(v8) Remove tracingOrigins here\n // The only reason we're passing it in here is because this instrumentOutgoingRequests function is publicly exported\n // and we don't want to break the API. We can remove it in v8.\n const shouldAttachHeadersWithTargets = (url: string): boolean =>\n shouldAttachHeaders(url, tracePropagationTargets || tracingOrigins);\n\n const spans: Record = {};\n\n if (traceFetch) {\n addFetchInstrumentationHandler(handlerData => {\n const createdSpan = instrumentFetchRequest(handlerData, shouldCreateSpan, shouldAttachHeadersWithTargets, spans);\n // We cannot use `window.location` in the generic fetch instrumentation,\n // but we need it for reliable `server.address` attribute.\n // so we extend this in here\n if (createdSpan) {\n const fullUrl = getFullURL(handlerData.fetchData.url);\n const host = fullUrl ? parseUrl(fullUrl).host : undefined;\n createdSpan.setAttributes({\n 'http.url': fullUrl,\n 'server.address': host,\n });\n }\n\n if (enableHTTPTimings && createdSpan) {\n addHTTPTimings(createdSpan);\n }\n });\n }\n\n if (traceXHR) {\n addXhrInstrumentationHandler(handlerData => {\n const createdSpan = xhrCallback(handlerData, shouldCreateSpan, shouldAttachHeadersWithTargets, spans);\n if (enableHTTPTimings && createdSpan) {\n addHTTPTimings(createdSpan);\n }\n });\n }\n}\n\nfunction isPerformanceResourceTiming(entry: PerformanceEntry): entry is PerformanceResourceTiming {\n return (\n entry.entryType === 'resource' &&\n 'initiatorType' in entry &&\n typeof (entry as PerformanceResourceTiming).nextHopProtocol === 'string' &&\n (entry.initiatorType === 'fetch' || entry.initiatorType === 'xmlhttprequest')\n );\n}\n\n/**\n * Creates a temporary observer to listen to the next fetch/xhr resourcing timings,\n * so that when timings hit their per-browser limit they don't need to be removed.\n *\n * @param span A span that has yet to be finished, must contain `url` on data.\n */\nfunction addHTTPTimings(span: Span): void {\n const { url } = spanToJSON(span).data || {};\n\n if (!url || typeof url !== 'string') {\n return;\n }\n\n const cleanup = addPerformanceInstrumentationHandler('resource', ({ entries }) => {\n entries.forEach(entry => {\n if (isPerformanceResourceTiming(entry) && entry.name.endsWith(url)) {\n const spanData = resourceTimingEntryToSpanData(entry);\n spanData.forEach(data => span.setAttribute(...data));\n // In the next tick, clean this handler up\n // We have to wait here because otherwise this cleans itself up before it is fully done\n setTimeout(cleanup);\n }\n });\n });\n}\n\n/**\n * Converts ALPN protocol ids to name and version.\n *\n * (https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids)\n * @param nextHopProtocol PerformanceResourceTiming.nextHopProtocol\n */\nexport function extractNetworkProtocol(nextHopProtocol: string): { name: string; version: string } {\n let name = 'unknown';\n let version = 'unknown';\n let _name = '';\n for (const char of nextHopProtocol) {\n // http/1.1 etc.\n if (char === '/') {\n [name, version] = nextHopProtocol.split('/');\n break;\n }\n // h2, h3 etc.\n if (!isNaN(Number(char))) {\n name = _name === 'h' ? 'http' : _name;\n version = nextHopProtocol.split(_name)[1];\n break;\n }\n _name += char;\n }\n if (_name === nextHopProtocol) {\n // webrtc, ftp, etc.\n name = _name;\n }\n return { name, version };\n}\n\nfunction getAbsoluteTime(time: number = 0): number {\n return ((browserPerformanceTimeOrigin || performance.timeOrigin) + time) / 1000;\n}\n\nfunction resourceTimingEntryToSpanData(resourceTiming: PerformanceResourceTiming): [string, string | number][] {\n const { name, version } = extractNetworkProtocol(resourceTiming.nextHopProtocol);\n\n const timingSpanData: [string, string | number][] = [];\n\n timingSpanData.push(['network.protocol.version', version], ['network.protocol.name', name]);\n\n if (!browserPerformanceTimeOrigin) {\n return timingSpanData;\n }\n return [\n ...timingSpanData,\n ['http.request.redirect_start', getAbsoluteTime(resourceTiming.redirectStart)],\n ['http.request.fetch_start', getAbsoluteTime(resourceTiming.fetchStart)],\n ['http.request.domain_lookup_start', getAbsoluteTime(resourceTiming.domainLookupStart)],\n ['http.request.domain_lookup_end', getAbsoluteTime(resourceTiming.domainLookupEnd)],\n ['http.request.connect_start', getAbsoluteTime(resourceTiming.connectStart)],\n ['http.request.secure_connection_start', getAbsoluteTime(resourceTiming.secureConnectionStart)],\n ['http.request.connection_end', getAbsoluteTime(resourceTiming.connectEnd)],\n ['http.request.request_start', getAbsoluteTime(resourceTiming.requestStart)],\n ['http.request.response_start', getAbsoluteTime(resourceTiming.responseStart)],\n ['http.request.response_end', getAbsoluteTime(resourceTiming.responseEnd)],\n ];\n}\n\n/**\n * A function that determines whether to attach tracing headers to a request.\n * This was extracted from `instrumentOutgoingRequests` to make it easier to test shouldAttachHeaders.\n * We only export this fuction for testing purposes.\n */\nexport function shouldAttachHeaders(url: string, tracePropagationTargets: (string | RegExp)[] | undefined): boolean {\n return stringMatchesSomePattern(url, tracePropagationTargets || DEFAULT_TRACE_PROPAGATION_TARGETS);\n}\n\n/**\n * Create and track xhr request spans\n *\n * @returns Span if a span was created, otherwise void.\n */\n// eslint-disable-next-line complexity\nexport function xhrCallback(\n handlerData: HandlerDataXhr,\n shouldCreateSpan: (url: string) => boolean,\n shouldAttachHeaders: (url: string) => boolean,\n spans: Record,\n): Span | undefined {\n const xhr = handlerData.xhr;\n const sentryXhrData = xhr && xhr[SENTRY_XHR_DATA_KEY];\n\n if (!hasTracingEnabled() || !xhr || xhr.__sentry_own_request__ || !sentryXhrData) {\n return undefined;\n }\n\n const shouldCreateSpanResult = shouldCreateSpan(sentryXhrData.url);\n\n // check first if the request has finished and is tracked by an existing span which should now end\n if (handlerData.endTimestamp && shouldCreateSpanResult) {\n const spanId = xhr.__sentry_xhr_span_id__;\n if (!spanId) return;\n\n const span = spans[spanId];\n if (span && sentryXhrData.status_code !== undefined) {\n setHttpStatus(span, sentryXhrData.status_code);\n span.end();\n\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete spans[spanId];\n }\n return undefined;\n }\n\n const scope = getCurrentScope();\n const isolationScope = getIsolationScope();\n\n const fullUrl = getFullURL(sentryXhrData.url);\n const host = fullUrl ? parseUrl(fullUrl).host : undefined;\n\n const span = shouldCreateSpanResult\n ? startInactiveSpan({\n name: `${sentryXhrData.method} ${sentryXhrData.url}`,\n onlyIfParent: true,\n attributes: {\n type: 'xhr',\n 'http.method': sentryXhrData.method,\n 'http.url': fullUrl,\n url: sentryXhrData.url,\n 'server.address': host,\n [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.http.browser',\n },\n op: 'http.client',\n })\n : undefined;\n\n if (span) {\n xhr.__sentry_xhr_span_id__ = span.spanContext().spanId;\n spans[xhr.__sentry_xhr_span_id__] = span;\n }\n\n const client = getClient();\n\n if (xhr.setRequestHeader && shouldAttachHeaders(sentryXhrData.url) && client) {\n const { traceId, spanId, sampled, dsc } = {\n ...isolationScope.getPropagationContext(),\n ...scope.getPropagationContext(),\n };\n\n const sentryTraceHeader = span ? spanToTraceHeader(span) : generateSentryTraceHeader(traceId, spanId, sampled);\n\n const sentryBaggageHeader = dynamicSamplingContextToSentryBaggageHeader(\n dsc ||\n (span ? getDynamicSamplingContextFromSpan(span) : getDynamicSamplingContextFromClient(traceId, client, scope)),\n );\n\n setHeaderOnXhr(xhr, sentryTraceHeader, sentryBaggageHeader);\n }\n\n return span;\n}\n\nfunction setHeaderOnXhr(\n xhr: SentryWrappedXMLHttpRequest,\n sentryTraceHeader: string,\n sentryBaggageHeader: string | undefined,\n): void {\n try {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n xhr.setRequestHeader!('sentry-trace', sentryTraceHeader);\n if (sentryBaggageHeader) {\n // From MDN: \"If this method is called several times with the same header, the values are merged into one single request header.\"\n // We can therefore simply set a baggage header without checking what was there before\n // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/setRequestHeader\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n xhr.setRequestHeader!(BAGGAGE_HEADER_NAME, sentryBaggageHeader);\n }\n } catch (_) {\n // Error: InvalidStateError: Failed to execute 'setRequestHeader' on 'XMLHttpRequest': The object's state must be OPENED.\n }\n}\n\nfunction getFullURL(url: string): string | undefined {\n try {\n // By adding a base URL to new URL(), this will also work for relative urls\n // If `url` is a full URL, the base URL is ignored anyhow\n const parsed = new URL(url, WINDOW.location.origin);\n return parsed.href;\n } catch {\n return undefined;\n }\n}\n","/* eslint-disable max-lines */\nimport type { IdleTransaction } from '@sentry/core';\nimport { getActiveSpan, getClient, getCurrentScope } from '@sentry/core';\nimport { getCurrentHub } from '@sentry/core';\nimport {\n SEMANTIC_ATTRIBUTE_SENTRY_SOURCE,\n TRACING_DEFAULTS,\n addTracingExtensions,\n getActiveTransaction,\n spanToJSON,\n startIdleTransaction,\n} from '@sentry/core';\nimport type {\n Client,\n Integration,\n IntegrationFn,\n StartSpanOptions,\n Transaction,\n TransactionContext,\n TransactionSource,\n} from '@sentry/types';\nimport type { Span } from '@sentry/types';\nimport {\n addHistoryInstrumentationHandler,\n browserPerformanceTimeOrigin,\n getDomElement,\n logger,\n propagationContextFromHeaders,\n} from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../common/debug-build';\nimport { registerBackgroundTabDetection } from './backgroundtab';\nimport { addPerformanceInstrumentationHandler } from './instrument';\nimport {\n addPerformanceEntries,\n startTrackingINP,\n startTrackingInteractions,\n startTrackingLongTasks,\n startTrackingWebVitals,\n} from './metrics';\nimport type { RequestInstrumentationOptions } from './request';\nimport { defaultRequestInstrumentationOptions, instrumentOutgoingRequests } from './request';\nimport { WINDOW } from './types';\nimport type { InteractionRouteNameMapping } from './web-vitals/types';\n\nexport const BROWSER_TRACING_INTEGRATION_ID = 'BrowserTracing';\n\n/** Options for Browser Tracing integration */\nexport interface BrowserTracingOptions extends RequestInstrumentationOptions {\n /**\n * The time to wait in ms until the transaction will be finished during an idle state. An idle state is defined\n * by a moment where there are no in-progress spans.\n *\n * The transaction will use the end timestamp of the last finished span as the endtime for the transaction.\n * If there are still active spans when this the `idleTimeout` is set, the `idleTimeout` will get reset.\n * Time is in ms.\n *\n * Default: 1000\n */\n idleTimeout: number;\n\n /**\n * The max duration for a transaction. If a transaction duration hits the `finalTimeout` value, it\n * will be finished.\n * Time is in ms.\n *\n * Default: 30000\n */\n finalTimeout: number;\n\n /**\n * The heartbeat interval. If no new spans are started or open spans are finished within 3 heartbeats,\n * the transaction will be finished.\n * Time is in ms.\n *\n * Default: 5000\n */\n heartbeatInterval: number;\n\n /**\n * If a span should be created on page load.\n * If this is set to `false`, this integration will not start the default page load span.\n * Default: true\n */\n instrumentPageLoad: boolean;\n\n /**\n * If a span should be created on navigation (history change).\n * If this is set to `false`, this integration will not start the default navigation spans.\n * Default: true\n */\n instrumentNavigation: boolean;\n\n /**\n * Flag spans where tabs moved to background with \"cancelled\". Browser background tab timing is\n * not suited towards doing precise measurements of operations. By default, we recommend that this option\n * be enabled as background transactions can mess up your statistics in nondeterministic ways.\n *\n * Default: true\n */\n markBackgroundSpan: boolean;\n\n /**\n * If true, Sentry will capture long tasks and add them to the corresponding transaction.\n *\n * Default: true\n */\n enableLongTask: boolean;\n\n /**\n * If true, Sentry will capture INP web vitals as standalone spans .\n *\n * Default: false\n */\n enableInp: boolean;\n\n /**\n * Sample rate to determine interaction span sampling.\n * interactionsSampleRate is applied on top of the global tracesSampleRate.\n * ie a tracesSampleRate of 0.1 and interactionsSampleRate of 0.5 will result in a 0.05 sample rate for interactions.\n *\n * Default: 1\n */\n interactionsSampleRate: number;\n\n /**\n * _metricOptions allows the user to send options to change how metrics are collected.\n *\n * _metricOptions is currently experimental.\n *\n * Default: undefined\n */\n _metricOptions?: Partial<{\n /**\n * @deprecated This property no longer has any effect and will be removed in v8.\n */\n _reportAllChanges: boolean;\n }>;\n\n /**\n * _experiments allows the user to send options to define how this integration works.\n * Note that the `enableLongTask` options is deprecated in favor of the option at the top level, and will be removed in v8.\n *\n * TODO (v8): Remove enableLongTask\n *\n * Default: undefined\n */\n _experiments: Partial<{\n enableInteractions: boolean;\n }>;\n\n /**\n * A callback which is called before a span for a pageload or navigation is started.\n * It receives the options passed to `startSpan`, and expects to return an updated options object.\n */\n beforeStartSpan?: (options: StartSpanOptions) => StartSpanOptions;\n}\n\nconst DEFAULT_BROWSER_TRACING_OPTIONS: BrowserTracingOptions = {\n ...TRACING_DEFAULTS,\n instrumentNavigation: true,\n instrumentPageLoad: true,\n markBackgroundSpan: true,\n enableLongTask: true,\n enableInp: false,\n interactionsSampleRate: 1,\n _experiments: {},\n ...defaultRequestInstrumentationOptions,\n};\n\n/**\n * The Browser Tracing integration automatically instruments browser pageload/navigation\n * actions as transactions, and captures requests, metrics and errors as spans.\n *\n * The integration can be configured with a variety of options, and can be extended to use\n * any routing library. This integration uses {@see IdleTransaction} to create transactions.\n *\n * We explicitly export the proper type here, as this has to be extended in some cases.\n */\nexport const browserTracingIntegration = ((_options: Partial = {}) => {\n const _hasSetTracePropagationTargets = DEBUG_BUILD\n ? !!(\n // eslint-disable-next-line deprecation/deprecation\n (_options.tracePropagationTargets || _options.tracingOrigins)\n )\n : false;\n\n addTracingExtensions();\n\n // TODO (v8): remove this block after tracingOrigins is removed\n // Set tracePropagationTargets to tracingOrigins if specified by the user\n // In case both are specified, tracePropagationTargets takes precedence\n // eslint-disable-next-line deprecation/deprecation\n if (!_options.tracePropagationTargets && _options.tracingOrigins) {\n // eslint-disable-next-line deprecation/deprecation\n _options.tracePropagationTargets = _options.tracingOrigins;\n }\n\n const options = {\n ...DEFAULT_BROWSER_TRACING_OPTIONS,\n ..._options,\n };\n\n const _collectWebVitals = startTrackingWebVitals();\n\n /** Stores a mapping of interactionIds from PerformanceEventTimings to the origin interaction path */\n const interactionIdToRouteNameMapping: InteractionRouteNameMapping = {};\n if (options.enableInp) {\n startTrackingINP(interactionIdToRouteNameMapping, options.interactionsSampleRate);\n }\n\n if (options.enableLongTask) {\n startTrackingLongTasks();\n }\n if (options._experiments.enableInteractions) {\n startTrackingInteractions();\n }\n\n const latestRoute: {\n name: string | undefined;\n context: TransactionContext | undefined;\n } = {\n name: undefined,\n context: undefined,\n };\n\n /** Create routing idle transaction. */\n function _createRouteTransaction(context: TransactionContext): Transaction | undefined {\n // eslint-disable-next-line deprecation/deprecation\n const hub = getCurrentHub();\n\n const { beforeStartSpan, idleTimeout, finalTimeout, heartbeatInterval } = options;\n\n const isPageloadTransaction = context.op === 'pageload';\n\n let expandedContext: TransactionContext;\n if (isPageloadTransaction) {\n const sentryTrace = isPageloadTransaction ? getMetaContent('sentry-trace') : '';\n const baggage = isPageloadTransaction ? getMetaContent('baggage') : undefined;\n const { traceId, dsc, parentSpanId, sampled } = propagationContextFromHeaders(sentryTrace, baggage);\n expandedContext = {\n traceId,\n parentSpanId,\n parentSampled: sampled,\n ...context,\n metadata: {\n // eslint-disable-next-line deprecation/deprecation\n ...context.metadata,\n dynamicSamplingContext: dsc,\n },\n trimEnd: true,\n };\n } else {\n expandedContext = {\n trimEnd: true,\n ...context,\n };\n }\n\n const finalContext = beforeStartSpan ? beforeStartSpan(expandedContext) : expandedContext;\n\n // If `beforeStartSpan` set a custom name, record that fact\n // eslint-disable-next-line deprecation/deprecation\n finalContext.metadata =\n finalContext.name !== expandedContext.name\n ? // eslint-disable-next-line deprecation/deprecation\n { ...finalContext.metadata, source: 'custom' }\n : // eslint-disable-next-line deprecation/deprecation\n finalContext.metadata;\n\n latestRoute.name = finalContext.name;\n latestRoute.context = finalContext;\n\n if (finalContext.sampled === false) {\n DEBUG_BUILD && logger.log(`[Tracing] Will not send ${finalContext.op} transaction because of beforeNavigate.`);\n }\n\n DEBUG_BUILD && logger.log(`[Tracing] Starting ${finalContext.op} transaction on scope`);\n\n const { location } = WINDOW;\n\n const idleTransaction = startIdleTransaction(\n hub,\n finalContext,\n idleTimeout,\n finalTimeout,\n true,\n { location }, // for use in the tracesSampler\n heartbeatInterval,\n isPageloadTransaction, // should wait for finish signal if it's a pageload transaction\n );\n\n if (isPageloadTransaction && WINDOW.document) {\n WINDOW.document.addEventListener('readystatechange', () => {\n if (['interactive', 'complete'].includes(WINDOW.document!.readyState)) {\n idleTransaction.sendAutoFinishSignal();\n }\n });\n\n if (['interactive', 'complete'].includes(WINDOW.document.readyState)) {\n idleTransaction.sendAutoFinishSignal();\n }\n }\n\n idleTransaction.registerBeforeFinishCallback(transaction => {\n _collectWebVitals();\n addPerformanceEntries(transaction);\n });\n\n return idleTransaction as Transaction;\n }\n\n return {\n name: BROWSER_TRACING_INTEGRATION_ID,\n // eslint-disable-next-line @typescript-eslint/no-empty-function\n setupOnce: () => {},\n afterAllSetup(client) {\n const clientOptions = client.getOptions();\n\n const { markBackgroundSpan, traceFetch, traceXHR, shouldCreateSpanForRequest, enableHTTPTimings, _experiments } =\n options;\n\n const clientOptionsTracePropagationTargets = clientOptions && clientOptions.tracePropagationTargets;\n // There are three ways to configure tracePropagationTargets:\n // 1. via top level client option `tracePropagationTargets`\n // 2. via BrowserTracing option `tracePropagationTargets`\n // 3. via BrowserTracing option `tracingOrigins` (deprecated)\n //\n // To avoid confusion, favour top level client option `tracePropagationTargets`, and fallback to\n // BrowserTracing option `tracePropagationTargets` and then `tracingOrigins` (deprecated).\n // This is done as it minimizes bundle size (we don't have to have undefined checks).\n //\n // If both 1 and either one of 2 or 3 are set (from above), we log out a warning.\n // eslint-disable-next-line deprecation/deprecation\n const tracePropagationTargets = clientOptionsTracePropagationTargets || options.tracePropagationTargets;\n if (DEBUG_BUILD && _hasSetTracePropagationTargets && clientOptionsTracePropagationTargets) {\n logger.warn(\n '[Tracing] The `tracePropagationTargets` option was set in the BrowserTracing integration and top level `Sentry.init`. The top level `Sentry.init` value is being used.',\n );\n }\n\n let activeSpan: Span | undefined;\n let startingUrl: string | undefined = WINDOW.location && WINDOW.location.href;\n\n if (client.on) {\n client.on('startNavigationSpan', (context: StartSpanOptions) => {\n if (activeSpan) {\n DEBUG_BUILD && logger.log(`[Tracing] Finishing current transaction with op: ${spanToJSON(activeSpan).op}`);\n // If there's an open transaction on the scope, we need to finish it before creating an new one.\n activeSpan.end();\n }\n activeSpan = _createRouteTransaction({\n op: 'navigation',\n ...context,\n });\n });\n\n client.on('startPageLoadSpan', (context: StartSpanOptions) => {\n if (activeSpan) {\n DEBUG_BUILD && logger.log(`[Tracing] Finishing current transaction with op: ${spanToJSON(activeSpan).op}`);\n // If there's an open transaction on the scope, we need to finish it before creating an new one.\n activeSpan.end();\n }\n activeSpan = _createRouteTransaction({\n op: 'pageload',\n ...context,\n });\n });\n }\n\n if (options.instrumentPageLoad && client.emit && WINDOW.location) {\n const context: StartSpanOptions = {\n name: WINDOW.location.pathname,\n // pageload should always start at timeOrigin (and needs to be in s, not ms)\n startTimestamp: browserPerformanceTimeOrigin ? browserPerformanceTimeOrigin / 1000 : undefined,\n origin: 'auto.pageload.browser',\n attributes: {\n [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'url',\n },\n };\n startBrowserTracingPageLoadSpan(client, context);\n }\n\n if (options.instrumentNavigation && client.emit && WINDOW.location) {\n addHistoryInstrumentationHandler(({ to, from }) => {\n /**\n * This early return is there to account for some cases where a navigation transaction starts right after\n * long-running pageload. We make sure that if `from` is undefined and a valid `startingURL` exists, we don't\n * create an uneccessary navigation transaction.\n *\n * This was hard to duplicate, but this behavior stopped as soon as this fix was applied. This issue might also\n * only be caused in certain development environments where the usage of a hot module reloader is causing\n * errors.\n */\n if (from === undefined && startingUrl && startingUrl.indexOf(to) !== -1) {\n startingUrl = undefined;\n return;\n }\n\n if (from !== to) {\n startingUrl = undefined;\n const context: StartSpanOptions = {\n name: WINDOW.location.pathname,\n origin: 'auto.navigation.browser',\n attributes: {\n [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'url',\n },\n };\n\n startBrowserTracingNavigationSpan(client, context);\n }\n });\n }\n\n if (markBackgroundSpan) {\n registerBackgroundTabDetection();\n }\n\n if (_experiments.enableInteractions) {\n registerInteractionListener(options, latestRoute);\n }\n\n if (options.enableInp) {\n registerInpInteractionListener(interactionIdToRouteNameMapping, latestRoute);\n }\n\n instrumentOutgoingRequests({\n traceFetch,\n traceXHR,\n tracePropagationTargets,\n shouldCreateSpanForRequest,\n enableHTTPTimings,\n });\n },\n // TODO v8: Remove this again\n // This is private API that we use to fix converted BrowserTracing integrations in Next.js & SvelteKit\n options,\n };\n}) satisfies IntegrationFn;\n\n/**\n * Manually start a page load span.\n * This will only do something if the BrowserTracing integration has been setup.\n */\nexport function startBrowserTracingPageLoadSpan(client: Client, spanOptions: StartSpanOptions): Span | undefined {\n if (!client.emit) {\n return;\n }\n\n client.emit('startPageLoadSpan', spanOptions);\n\n const span = getActiveSpan();\n const op = span && spanToJSON(span).op;\n return op === 'pageload' ? span : undefined;\n}\n\n/**\n * Manually start a navigation span.\n * This will only do something if the BrowserTracing integration has been setup.\n */\nexport function startBrowserTracingNavigationSpan(client: Client, spanOptions: StartSpanOptions): Span | undefined {\n if (!client.emit) {\n return;\n }\n\n client.emit('startNavigationSpan', spanOptions);\n\n const span = getActiveSpan();\n const op = span && spanToJSON(span).op;\n return op === 'navigation' ? span : undefined;\n}\n\n/** Returns the value of a meta tag */\nexport function getMetaContent(metaName: string): string | undefined {\n // Can't specify generic to `getDomElement` because tracing can be used\n // in a variety of environments, have to disable `no-unsafe-member-access`\n // as a result.\n const metaTag = getDomElement(`meta[name=${metaName}]`);\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n return metaTag ? metaTag.getAttribute('content') : undefined;\n}\n\n/** Start listener for interaction transactions */\nfunction registerInteractionListener(\n options: BrowserTracingOptions,\n latestRoute: {\n name: string | undefined;\n context: TransactionContext | undefined;\n },\n): void {\n let inflightInteractionTransaction: IdleTransaction | undefined;\n const registerInteractionTransaction = (): void => {\n const { idleTimeout, finalTimeout, heartbeatInterval } = options;\n const op = 'ui.action.click';\n\n // eslint-disable-next-line deprecation/deprecation\n const currentTransaction = getActiveTransaction();\n if (currentTransaction && currentTransaction.op && ['navigation', 'pageload'].includes(currentTransaction.op)) {\n DEBUG_BUILD &&\n logger.warn(\n `[Tracing] Did not create ${op} transaction because a pageload or navigation transaction is in progress.`,\n );\n return undefined;\n }\n\n if (inflightInteractionTransaction) {\n inflightInteractionTransaction.setFinishReason('interactionInterrupted');\n inflightInteractionTransaction.end();\n inflightInteractionTransaction = undefined;\n }\n\n if (!latestRoute.name) {\n DEBUG_BUILD && logger.warn(`[Tracing] Did not create ${op} transaction because _latestRouteName is missing.`);\n return undefined;\n }\n\n const { location } = WINDOW;\n\n const context: TransactionContext = {\n name: latestRoute.name,\n op,\n trimEnd: true,\n data: {\n [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: latestRoute.context ? getSource(latestRoute.context) : undefined || 'url',\n },\n };\n\n inflightInteractionTransaction = startIdleTransaction(\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub(),\n context,\n idleTimeout,\n finalTimeout,\n true,\n { location }, // for use in the tracesSampler\n heartbeatInterval,\n );\n };\n\n ['click'].forEach(type => {\n if (WINDOW.document) {\n addEventListener(type, registerInteractionTransaction, { once: false, capture: true });\n }\n });\n}\n\nfunction isPerformanceEventTiming(entry: PerformanceEntry): entry is PerformanceEventTiming {\n return 'duration' in entry;\n}\n\n/** We store up to 10 interaction candidates max to cap memory usage. This is the same cap as getINP from web-vitals */\nconst MAX_INTERACTIONS = 10;\n\n/** Creates a listener on interaction entries, and maps interactionIds to the origin path of the interaction */\nfunction registerInpInteractionListener(\n interactionIdToRouteNameMapping: InteractionRouteNameMapping,\n latestRoute: {\n name: string | undefined;\n context: TransactionContext | undefined;\n },\n): void {\n const handleEntries = ({ entries }: { entries: PerformanceEntry[] }): void => {\n const client = getClient();\n // We need to get the replay, user, and activeTransaction from the current scope\n // so that we can associate replay id, profile id, and a user display to the span\n const replay =\n client !== undefined && client.getIntegrationByName !== undefined\n ? (client.getIntegrationByName('Replay') as Integration & { getReplayId: () => string })\n : undefined;\n const replayId = replay !== undefined ? replay.getReplayId() : undefined;\n // eslint-disable-next-line deprecation/deprecation\n const activeTransaction = getActiveTransaction();\n const currentScope = getCurrentScope();\n const user = currentScope !== undefined ? currentScope.getUser() : undefined;\n entries.forEach(entry => {\n if (isPerformanceEventTiming(entry)) {\n const interactionId = entry.interactionId;\n if (interactionId === undefined) {\n return;\n }\n const existingInteraction = interactionIdToRouteNameMapping[interactionId];\n const duration = entry.duration;\n const startTime = entry.startTime;\n const keys = Object.keys(interactionIdToRouteNameMapping);\n const minInteractionId =\n keys.length > 0\n ? keys.reduce((a, b) => {\n return interactionIdToRouteNameMapping[a].duration < interactionIdToRouteNameMapping[b].duration\n ? a\n : b;\n })\n : undefined;\n // For a first input event to be considered, we must check that an interaction event does not already exist with the same duration and start time.\n // This is also checked in the web-vitals library.\n if (entry.entryType === 'first-input') {\n const matchingEntry = keys\n .map(key => interactionIdToRouteNameMapping[key])\n .some(interaction => {\n return interaction.duration === duration && interaction.startTime === startTime;\n });\n if (matchingEntry) {\n return;\n }\n }\n // Interactions with an id of 0 and are not first-input are not valid.\n if (!interactionId) {\n return;\n }\n // If the interaction already exists, we want to use the duration of the longest entry, since that is what the INP metric uses.\n if (existingInteraction) {\n existingInteraction.duration = Math.max(existingInteraction.duration, duration);\n } else if (\n keys.length < MAX_INTERACTIONS ||\n minInteractionId === undefined ||\n duration > interactionIdToRouteNameMapping[minInteractionId].duration\n ) {\n // If the interaction does not exist, we want to add it to the mapping if there is space, or if the duration is longer than the shortest entry.\n const routeName = latestRoute.name;\n const parentContext = latestRoute.context;\n if (routeName && parentContext) {\n if (minInteractionId && Object.keys(interactionIdToRouteNameMapping).length >= MAX_INTERACTIONS) {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete interactionIdToRouteNameMapping[minInteractionId];\n }\n interactionIdToRouteNameMapping[interactionId] = {\n routeName,\n duration,\n parentContext,\n user,\n activeTransaction,\n replayId,\n startTime,\n };\n }\n }\n }\n });\n };\n addPerformanceInstrumentationHandler('event', handleEntries);\n addPerformanceInstrumentationHandler('first-input', handleEntries);\n}\n\nfunction getSource(context: TransactionContext): TransactionSource | undefined {\n const sourceFromAttributes = context.attributes && context.attributes[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE];\n // eslint-disable-next-line deprecation/deprecation\n const sourceFromData = context.data && context.data[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE];\n // eslint-disable-next-line deprecation/deprecation\n const sourceFromMetadata = context.metadata && context.metadata.source;\n\n return sourceFromAttributes || sourceFromData || sourceFromMetadata;\n}\n","import type { IdleTransaction, SpanStatusType } from '@sentry/core';\nimport { getActiveTransaction, spanToJSON } from '@sentry/core';\nimport { logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../common/debug-build';\nimport { WINDOW } from './types';\n\n/**\n * Add a listener that cancels and finishes a transaction when the global\n * document is hidden.\n */\nexport function registerBackgroundTabDetection(): void {\n if (WINDOW.document) {\n WINDOW.document.addEventListener('visibilitychange', () => {\n // eslint-disable-next-line deprecation/deprecation\n const activeTransaction = getActiveTransaction() as IdleTransaction;\n if (WINDOW.document!.hidden && activeTransaction) {\n const statusType: SpanStatusType = 'cancelled';\n\n const { op, status } = spanToJSON(activeTransaction);\n\n DEBUG_BUILD &&\n logger.log(`[Tracing] Transaction: ${statusType} -> since tab moved to the background, op: ${op}`);\n // We should not set status if it is already set, this prevent important statuses like\n // error or data loss from being overwritten on transaction.\n if (!status) {\n activeTransaction.setStatus(statusType);\n }\n // TODO: Can we rewrite this to an attribute?\n // eslint-disable-next-line deprecation/deprecation\n activeTransaction.setTag('visibilitychange', 'document.hidden');\n activeTransaction.end();\n }\n });\n } else {\n DEBUG_BUILD && logger.warn('[Tracing] Could not set up background tab detection due to lack of global document');\n }\n}\n","declare const __DEBUG_BUILD__: boolean;\n\n/**\n * This serves as a build time flag that will be true by default, but false in non-debug builds or if users replace `__SENTRY_DEBUG__` in their generated code.\n *\n * ATTENTION: This constant must never cross package boundaries (i.e. be exported) to guarantee that it can be used for tree shaking.\n */\nexport const DEBUG_BUILD = __DEBUG_BUILD__;\n","import type { browserTracingIntegration } from '@sentry-internal/tracing';\nimport { BrowserTracing } from '@sentry-internal/tracing';\nimport { captureException, withScope } from '@sentry/core';\nimport type { DsnLike, Integration, Mechanism, WrappedFunction } from '@sentry/types';\nimport {\n GLOBAL_OBJ,\n addExceptionMechanism,\n addExceptionTypeValue,\n addNonEnumerableProperty,\n getOriginalFunction,\n markFunctionWrapped,\n} from '@sentry/utils';\n\nexport const WINDOW = GLOBAL_OBJ as typeof GLOBAL_OBJ & Window;\n\nlet ignoreOnError: number = 0;\n\n/**\n * @hidden\n */\nexport function shouldIgnoreOnError(): boolean {\n return ignoreOnError > 0;\n}\n\n/**\n * @hidden\n */\nexport function ignoreNextOnError(): void {\n // onerror should trigger before setTimeout\n ignoreOnError++;\n setTimeout(() => {\n ignoreOnError--;\n });\n}\n\n/**\n * Instruments the given function and sends an event to Sentry every time the\n * function throws an exception.\n *\n * @param fn A function to wrap. It is generally safe to pass an unbound function, because the returned wrapper always\n * has a correct `this` context.\n * @returns The wrapped function.\n * @hidden\n */\nexport function wrap(\n fn: WrappedFunction,\n options: {\n mechanism?: Mechanism;\n } = {},\n before?: WrappedFunction,\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n): any {\n // for future readers what this does is wrap a function and then create\n // a bi-directional wrapping between them.\n //\n // example: wrapped = wrap(original);\n // original.__sentry_wrapped__ -> wrapped\n // wrapped.__sentry_original__ -> original\n\n if (typeof fn !== 'function') {\n return fn;\n }\n\n try {\n // if we're dealing with a function that was previously wrapped, return\n // the original wrapper.\n const wrapper = fn.__sentry_wrapped__;\n if (wrapper) {\n if (typeof wrapper === 'function') {\n return wrapper;\n } else {\n // If we find that the `__sentry_wrapped__` function is not a function at the time of accessing it, it means\n // that something messed with it. In that case we want to return the originally passed function.\n return fn;\n }\n }\n\n // We don't wanna wrap it twice\n if (getOriginalFunction(fn)) {\n return fn;\n }\n } catch (e) {\n // Just accessing custom props in some Selenium environments\n // can cause a \"Permission denied\" exception (see raven-js#495).\n // Bail on wrapping and return the function as-is (defers to window.onerror).\n return fn;\n }\n\n /* eslint-disable prefer-rest-params */\n // It is important that `sentryWrapped` is not an arrow function to preserve the context of `this`\n const sentryWrapped: WrappedFunction = function (this: unknown): void {\n const args = Array.prototype.slice.call(arguments);\n\n try {\n if (before && typeof before === 'function') {\n before.apply(this, arguments);\n }\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-unsafe-member-access\n const wrappedArguments = args.map((arg: any) => wrap(arg, options));\n\n // Attempt to invoke user-land function\n // NOTE: If you are a Sentry user, and you are seeing this stack frame, it\n // means the sentry.javascript SDK caught an error invoking your application code. This\n // is expected behavior and NOT indicative of a bug with sentry.javascript.\n return fn.apply(this, wrappedArguments);\n } catch (ex) {\n ignoreNextOnError();\n\n withScope(scope => {\n scope.addEventProcessor(event => {\n if (options.mechanism) {\n addExceptionTypeValue(event, undefined, undefined);\n addExceptionMechanism(event, options.mechanism);\n }\n\n event.extra = {\n ...event.extra,\n arguments: args,\n };\n\n return event;\n });\n\n captureException(ex);\n });\n\n throw ex;\n }\n };\n /* eslint-enable prefer-rest-params */\n\n // Accessing some objects may throw\n // ref: https://github.com/getsentry/sentry-javascript/issues/1168\n try {\n for (const property in fn) {\n if (Object.prototype.hasOwnProperty.call(fn, property)) {\n sentryWrapped[property] = fn[property];\n }\n }\n } catch (_oO) {} // eslint-disable-line no-empty\n\n // Signal that this function has been wrapped/filled already\n // for both debugging and to prevent it to being wrapped/filled twice\n markFunctionWrapped(sentryWrapped, fn);\n\n addNonEnumerableProperty(fn, '__sentry_wrapped__', sentryWrapped);\n\n // Restore original function name (not all browsers allow that)\n try {\n const descriptor = Object.getOwnPropertyDescriptor(sentryWrapped, 'name') as PropertyDescriptor;\n if (descriptor.configurable) {\n Object.defineProperty(sentryWrapped, 'name', {\n get(): string {\n return fn.name;\n },\n });\n }\n // eslint-disable-next-line no-empty\n } catch (_oO) {}\n\n return sentryWrapped;\n}\n\n/**\n * All properties the report dialog supports\n *\n * @deprecated This type will be removed in the next major version of the Sentry SDK. `showReportDialog` will still be around, however the `eventId` option will now be required.\n */\nexport interface ReportDialogOptions {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n [key: string]: any;\n eventId?: string;\n dsn?: DsnLike;\n user?: {\n email?: string;\n name?: string;\n };\n lang?: string;\n title?: string;\n subtitle?: string;\n subtitle2?: string;\n labelName?: string;\n labelEmail?: string;\n labelComments?: string;\n labelClose?: string;\n labelSubmit?: string;\n errorGeneric?: string;\n errorFormEntry?: string;\n successMessage?: string;\n /** Callback after reportDialog showed up */\n onLoad?(this: void): void;\n /** Callback after reportDialog closed */\n onClose?(this: void): void;\n}\n\n/**\n * This is a slim shim of `browserTracingIntegration` for the CDN bundles.\n * Since the actual functional integration uses a different code from `BrowserTracing`,\n * we want to avoid shipping both of them in the CDN bundles, as that would blow up the size.\n * Instead, we provide a functional integration with the same API, but the old implementation.\n * This means that it's not possible to register custom routing instrumentation, but that's OK for now.\n * We also don't expose the utilities for this anyhow in the CDN bundles.\n * For users that need custom routing in CDN bundles, they have to continue using `new BrowserTracing()` until v8.\n */\nexport function bundleBrowserTracingIntegration(\n options: Parameters[0] = {},\n): Integration {\n // Migrate some options from the old integration to the new one\n // eslint-disable-next-line deprecation/deprecation\n const opts: ConstructorParameters[0] = options;\n\n if (typeof options.markBackgroundSpan === 'boolean') {\n opts.markBackgroundTransactions = options.markBackgroundSpan;\n }\n\n if (typeof options.instrumentPageLoad === 'boolean') {\n opts.startTransactionOnPageLoad = options.instrumentPageLoad;\n }\n\n if (typeof options.instrumentNavigation === 'boolean') {\n opts.startTransactionOnLocationChange = options.instrumentNavigation;\n }\n\n // eslint-disable-next-line deprecation/deprecation\n return new BrowserTracing(opts);\n}\n","import type { Client, Event, EventHint, Integration, IntegrationClass, IntegrationFn, StackFrame } from '@sentry/types';\nimport { getEventDescription, logger, stringMatchesSomePattern } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { convertIntegrationFnToClass, defineIntegration } from '../integration';\n\n// \"Script error.\" is hard coded into browsers for errors that it can't read.\n// this is the result of a script being pulled in from an external domain and CORS.\nconst DEFAULT_IGNORE_ERRORS = [\n /^Script error\\.?$/,\n /^Javascript error: Script error\\.? on line 0$/,\n /^ResizeObserver loop completed with undelivered notifications.$/,\n /^Cannot redefine property: googletag$/,\n];\n\nconst DEFAULT_IGNORE_TRANSACTIONS = [\n /^.*\\/healthcheck$/,\n /^.*\\/healthy$/,\n /^.*\\/live$/,\n /^.*\\/ready$/,\n /^.*\\/heartbeat$/,\n /^.*\\/health$/,\n /^.*\\/healthz$/,\n];\n\n/** Options for the InboundFilters integration */\nexport interface InboundFiltersOptions {\n allowUrls: Array;\n denyUrls: Array;\n ignoreErrors: Array;\n ignoreTransactions: Array;\n ignoreInternal: boolean;\n disableErrorDefaults: boolean;\n disableTransactionDefaults: boolean;\n}\n\nconst INTEGRATION_NAME = 'InboundFilters';\nconst _inboundFiltersIntegration = ((options: Partial = {}) => {\n return {\n name: INTEGRATION_NAME,\n // TODO v8: Remove this\n setupOnce() {}, // eslint-disable-line @typescript-eslint/no-empty-function\n processEvent(event, _hint, client) {\n const clientOptions = client.getOptions();\n const mergedOptions = _mergeOptions(options, clientOptions);\n return _shouldDropEvent(event, mergedOptions) ? null : event;\n },\n };\n}) satisfies IntegrationFn;\n\nexport const inboundFiltersIntegration = defineIntegration(_inboundFiltersIntegration);\n\n/**\n * Inbound filters configurable by the user.\n * @deprecated Use `inboundFiltersIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const InboundFilters = convertIntegrationFnToClass(\n INTEGRATION_NAME,\n inboundFiltersIntegration,\n) as IntegrationClass void }> & {\n new (\n options?: Partial<{\n allowUrls: Array;\n denyUrls: Array;\n ignoreErrors: Array;\n ignoreTransactions: Array;\n ignoreInternal: boolean;\n disableErrorDefaults: boolean;\n disableTransactionDefaults: boolean;\n }>,\n ): Integration;\n};\n\nfunction _mergeOptions(\n internalOptions: Partial = {},\n clientOptions: Partial = {},\n): Partial {\n return {\n allowUrls: [...(internalOptions.allowUrls || []), ...(clientOptions.allowUrls || [])],\n denyUrls: [...(internalOptions.denyUrls || []), ...(clientOptions.denyUrls || [])],\n ignoreErrors: [\n ...(internalOptions.ignoreErrors || []),\n ...(clientOptions.ignoreErrors || []),\n ...(internalOptions.disableErrorDefaults ? [] : DEFAULT_IGNORE_ERRORS),\n ],\n ignoreTransactions: [\n ...(internalOptions.ignoreTransactions || []),\n ...(clientOptions.ignoreTransactions || []),\n ...(internalOptions.disableTransactionDefaults ? [] : DEFAULT_IGNORE_TRANSACTIONS),\n ],\n ignoreInternal: internalOptions.ignoreInternal !== undefined ? internalOptions.ignoreInternal : true,\n };\n}\n\nfunction _shouldDropEvent(event: Event, options: Partial): boolean {\n if (options.ignoreInternal && _isSentryError(event)) {\n DEBUG_BUILD &&\n logger.warn(`Event dropped due to being internal Sentry Error.\\nEvent: ${getEventDescription(event)}`);\n return true;\n }\n if (_isIgnoredError(event, options.ignoreErrors)) {\n DEBUG_BUILD &&\n logger.warn(\n `Event dropped due to being matched by \\`ignoreErrors\\` option.\\nEvent: ${getEventDescription(event)}`,\n );\n return true;\n }\n if (_isIgnoredTransaction(event, options.ignoreTransactions)) {\n DEBUG_BUILD &&\n logger.warn(\n `Event dropped due to being matched by \\`ignoreTransactions\\` option.\\nEvent: ${getEventDescription(event)}`,\n );\n return true;\n }\n if (_isDeniedUrl(event, options.denyUrls)) {\n DEBUG_BUILD &&\n logger.warn(\n `Event dropped due to being matched by \\`denyUrls\\` option.\\nEvent: ${getEventDescription(\n event,\n )}.\\nUrl: ${_getEventFilterUrl(event)}`,\n );\n return true;\n }\n if (!_isAllowedUrl(event, options.allowUrls)) {\n DEBUG_BUILD &&\n logger.warn(\n `Event dropped due to not being matched by \\`allowUrls\\` option.\\nEvent: ${getEventDescription(\n event,\n )}.\\nUrl: ${_getEventFilterUrl(event)}`,\n );\n return true;\n }\n return false;\n}\n\nfunction _isIgnoredError(event: Event, ignoreErrors?: Array): boolean {\n // If event.type, this is not an error\n if (event.type || !ignoreErrors || !ignoreErrors.length) {\n return false;\n }\n\n return _getPossibleEventMessages(event).some(message => stringMatchesSomePattern(message, ignoreErrors));\n}\n\nfunction _isIgnoredTransaction(event: Event, ignoreTransactions?: Array): boolean {\n if (event.type !== 'transaction' || !ignoreTransactions || !ignoreTransactions.length) {\n return false;\n }\n\n const name = event.transaction;\n return name ? stringMatchesSomePattern(name, ignoreTransactions) : false;\n}\n\nfunction _isDeniedUrl(event: Event, denyUrls?: Array): boolean {\n // TODO: Use Glob instead?\n if (!denyUrls || !denyUrls.length) {\n return false;\n }\n const url = _getEventFilterUrl(event);\n return !url ? false : stringMatchesSomePattern(url, denyUrls);\n}\n\nfunction _isAllowedUrl(event: Event, allowUrls?: Array): boolean {\n // TODO: Use Glob instead?\n if (!allowUrls || !allowUrls.length) {\n return true;\n }\n const url = _getEventFilterUrl(event);\n return !url ? true : stringMatchesSomePattern(url, allowUrls);\n}\n\nfunction _getPossibleEventMessages(event: Event): string[] {\n const possibleMessages: string[] = [];\n\n if (event.message) {\n possibleMessages.push(event.message);\n }\n\n let lastException;\n try {\n // @ts-expect-error Try catching to save bundle size\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n lastException = event.exception.values[event.exception.values.length - 1];\n } catch (e) {\n // try catching to save bundle size checking existence of variables\n }\n\n if (lastException) {\n if (lastException.value) {\n possibleMessages.push(lastException.value);\n if (lastException.type) {\n possibleMessages.push(`${lastException.type}: ${lastException.value}`);\n }\n }\n }\n\n if (DEBUG_BUILD && possibleMessages.length === 0) {\n logger.error(`Could not extract message for event ${getEventDescription(event)}`);\n }\n\n return possibleMessages;\n}\n\nfunction _isSentryError(event: Event): boolean {\n try {\n // @ts-expect-error can't be a sentry error if undefined\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n return event.exception.values[0].type === 'SentryError';\n } catch (e) {\n // ignore\n }\n return false;\n}\n\nfunction _getLastValidUrl(frames: StackFrame[] = []): string | null {\n for (let i = frames.length - 1; i >= 0; i--) {\n const frame = frames[i];\n\n if (frame && frame.filename !== '' && frame.filename !== '[native code]') {\n return frame.filename || null;\n }\n }\n\n return null;\n}\n\nfunction _getEventFilterUrl(event: Event): string | null {\n try {\n let frames;\n try {\n // @ts-expect-error we only care about frames if the whole thing here is defined\n frames = event.exception.values[0].stacktrace.frames;\n } catch (e) {\n // ignore\n }\n return frames ? _getLastValidUrl(frames) : null;\n } catch (oO) {\n DEBUG_BUILD && logger.error(`Cannot extract url for event ${getEventDescription(event)}`);\n return null;\n }\n}\n","import type { Client, Integration, IntegrationClass, IntegrationFn, WrappedFunction } from '@sentry/types';\nimport { getOriginalFunction } from '@sentry/utils';\nimport { getClient } from '../exports';\nimport { convertIntegrationFnToClass, defineIntegration } from '../integration';\n\nlet originalFunctionToString: () => void;\n\nconst INTEGRATION_NAME = 'FunctionToString';\n\nconst SETUP_CLIENTS = new WeakMap();\n\nconst _functionToStringIntegration = (() => {\n return {\n name: INTEGRATION_NAME,\n setupOnce() {\n // eslint-disable-next-line @typescript-eslint/unbound-method\n originalFunctionToString = Function.prototype.toString;\n\n // intrinsics (like Function.prototype) might be immutable in some environments\n // e.g. Node with --frozen-intrinsics, XS (an embedded JavaScript engine) or SES (a JavaScript proposal)\n try {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n Function.prototype.toString = function (this: WrappedFunction, ...args: any[]): string {\n const originalFunction = getOriginalFunction(this);\n const context =\n SETUP_CLIENTS.has(getClient() as Client) && originalFunction !== undefined ? originalFunction : this;\n return originalFunctionToString.apply(context, args);\n };\n } catch {\n // ignore errors here, just don't patch this\n }\n },\n setup(client) {\n SETUP_CLIENTS.set(client, true);\n },\n };\n}) satisfies IntegrationFn;\n\n/**\n * Patch toString calls to return proper name for wrapped functions.\n *\n * ```js\n * Sentry.init({\n * integrations: [\n * functionToStringIntegration(),\n * ],\n * });\n * ```\n */\nexport const functionToStringIntegration = defineIntegration(_functionToStringIntegration);\n\n/**\n * Patch toString calls to return proper name for wrapped functions.\n *\n * @deprecated Use `functionToStringIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const FunctionToString = convertIntegrationFnToClass(\n INTEGRATION_NAME,\n functionToStringIntegration,\n) as IntegrationClass void }>;\n\n// eslint-disable-next-line deprecation/deprecation\nexport type FunctionToString = typeof FunctionToString;\n","import type { ClientOptions, DsnComponents, DsnLike, SdkInfo } from '@sentry/types';\nimport { dsnToString, makeDsn, urlEncode } from '@sentry/utils';\n\nconst SENTRY_API_VERSION = '7';\n\n/** Returns the prefix to construct Sentry ingestion API endpoints. */\nfunction getBaseApiEndpoint(dsn: DsnComponents): string {\n const protocol = dsn.protocol ? `${dsn.protocol}:` : '';\n const port = dsn.port ? `:${dsn.port}` : '';\n return `${protocol}//${dsn.host}${port}${dsn.path ? `/${dsn.path}` : ''}/api/`;\n}\n\n/** Returns the ingest API endpoint for target. */\nfunction _getIngestEndpoint(dsn: DsnComponents): string {\n return `${getBaseApiEndpoint(dsn)}${dsn.projectId}/envelope/`;\n}\n\n/** Returns a URL-encoded string with auth config suitable for a query string. */\nfunction _encodedAuth(dsn: DsnComponents, sdkInfo: SdkInfo | undefined): string {\n return urlEncode({\n // We send only the minimum set of required information. See\n // https://github.com/getsentry/sentry-javascript/issues/2572.\n sentry_key: dsn.publicKey,\n sentry_version: SENTRY_API_VERSION,\n ...(sdkInfo && { sentry_client: `${sdkInfo.name}/${sdkInfo.version}` }),\n });\n}\n\n/**\n * Returns the envelope endpoint URL with auth in the query string.\n *\n * Sending auth as part of the query string and not as custom HTTP headers avoids CORS preflight requests.\n */\nexport function getEnvelopeEndpointWithUrlEncodedAuth(\n dsn: DsnComponents,\n // TODO (v8): Remove `tunnelOrOptions` in favor of `options`, and use the substitute code below\n // options: ClientOptions = {} as ClientOptions,\n tunnelOrOptions: string | ClientOptions = {} as ClientOptions,\n): string {\n // TODO (v8): Use this code instead\n // const { tunnel, _metadata = {} } = options;\n // return tunnel ? tunnel : `${_getIngestEndpoint(dsn)}?${_encodedAuth(dsn, _metadata.sdk)}`;\n\n const tunnel = typeof tunnelOrOptions === 'string' ? tunnelOrOptions : tunnelOrOptions.tunnel;\n const sdkInfo =\n typeof tunnelOrOptions === 'string' || !tunnelOrOptions._metadata ? undefined : tunnelOrOptions._metadata.sdk;\n\n return tunnel ? tunnel : `${_getIngestEndpoint(dsn)}?${_encodedAuth(dsn, sdkInfo)}`;\n}\n\n/** Returns the url to the report dialog endpoint. */\nexport function getReportDialogEndpoint(\n dsnLike: DsnLike,\n dialogOptions: {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n [key: string]: any;\n user?: { name?: string; email?: string };\n },\n): string {\n const dsn = makeDsn(dsnLike);\n if (!dsn) {\n return '';\n }\n\n const endpoint = `${getBaseApiEndpoint(dsn)}embed/error-page/`;\n\n let encodedOptions = `dsn=${dsnToString(dsn)}`;\n for (const key in dialogOptions) {\n if (key === 'dsn') {\n continue;\n }\n\n if (key === 'onClose') {\n continue;\n }\n\n if (key === 'user') {\n const user = dialogOptions.user;\n if (!user) {\n continue;\n }\n if (user.name) {\n encodedOptions += `&name=${encodeURIComponent(user.name)}`;\n }\n if (user.email) {\n encodedOptions += `&email=${encodeURIComponent(user.email)}`;\n }\n } else {\n encodedOptions += `&${encodeURIComponent(key)}=${encodeURIComponent(dialogOptions[key] as string)}`;\n }\n }\n\n return `${endpoint}?${encodedOptions}`;\n}\n","import type { ConsoleLevel } from '@sentry/types';\n\n/** An error emitted by Sentry SDKs and related utilities. */\nexport class SentryError extends Error {\n /** Display name of this error instance. */\n public name: string;\n\n public logLevel: ConsoleLevel;\n\n public constructor(public message: string, logLevel: ConsoleLevel = 'warn') {\n super(message);\n\n this.name = new.target.prototype.constructor.name;\n // This sets the prototype to be `Error`, not `SentryError`. It's unclear why we do this, but commenting this line\n // out causes various (seemingly totally unrelated) playwright tests consistently time out. FYI, this makes\n // instances of `SentryError` fail `obj instanceof SentryError` checks.\n Object.setPrototypeOf(this, new.target.prototype);\n this.logLevel = logLevel;\n }\n}\n","import type { DsnComponents, MetricBucketItem, SdkMetadata, StatsdEnvelope, StatsdItem } from '@sentry/types';\nimport { createEnvelope, dsnToString } from '@sentry/utils';\nimport { serializeMetricBuckets } from './utils';\n\n/**\n * Create envelope from a metric aggregate.\n */\nexport function createMetricEnvelope(\n metricBucketItems: Array,\n dsn?: DsnComponents,\n metadata?: SdkMetadata,\n tunnel?: string,\n): StatsdEnvelope {\n const headers: StatsdEnvelope[0] = {\n sent_at: new Date().toISOString(),\n };\n\n if (metadata && metadata.sdk) {\n headers.sdk = {\n name: metadata.sdk.name,\n version: metadata.sdk.version,\n };\n }\n\n if (!!tunnel && dsn) {\n headers.dsn = dsnToString(dsn);\n }\n\n const item = createMetricEnvelopeItem(metricBucketItems);\n return createEnvelope(headers, [item]);\n}\n\nfunction createMetricEnvelopeItem(metricBucketItems: MetricBucketItem[]): StatsdItem {\n const payload = serializeMetricBuckets(metricBucketItems);\n const metricHeaders: StatsdItem[0] = {\n type: 'statsd',\n length: payload.length,\n };\n return [metricHeaders, payload];\n}\n","import type { MeasurementUnit, MetricBucketItem, Primitive } from '@sentry/types';\nimport { dropUndefinedKeys } from '@sentry/utils';\nimport type { MetricType } from './types';\n\n/**\n * Generate bucket key from metric properties.\n */\nexport function getBucketKey(\n metricType: MetricType,\n name: string,\n unit: MeasurementUnit,\n tags: Record,\n): string {\n const stringifiedTags = Object.entries(dropUndefinedKeys(tags)).sort((a, b) => a[0].localeCompare(b[0]));\n return `${metricType}${name}${unit}${stringifiedTags}`;\n}\n\n/* eslint-disable no-bitwise */\n/**\n * Simple hash function for strings.\n */\nexport function simpleHash(s: string): number {\n let rv = 0;\n for (let i = 0; i < s.length; i++) {\n const c = s.charCodeAt(i);\n rv = (rv << 5) - rv + c;\n rv &= rv;\n }\n return rv >>> 0;\n}\n/* eslint-enable no-bitwise */\n\n/**\n * Serialize metrics buckets into a string based on statsd format.\n *\n * Example of format:\n * metric.name@second:1:1.2|d|#a:value,b:anothervalue|T12345677\n * Segments:\n * name: metric.name\n * unit: second\n * value: [1, 1.2]\n * type of metric: d (distribution)\n * tags: { a: value, b: anothervalue }\n * timestamp: 12345677\n */\nexport function serializeMetricBuckets(metricBucketItems: MetricBucketItem[]): string {\n let out = '';\n for (const item of metricBucketItems) {\n const tagEntries = Object.entries(item.tags);\n const maybeTags = tagEntries.length > 0 ? `|#${tagEntries.map(([key, value]) => `${key}:${value}`).join(',')}` : '';\n out += `${item.name}@${item.unit}:${item.metric}|${item.metricType}${maybeTags}|T${item.timestamp}\\n`;\n }\n return out;\n}\n\n/** Sanitizes units */\nexport function sanitizeUnit(unit: string): string {\n return unit.replace(/[^\\w]+/gi, '_');\n}\n\n/** Sanitizes metric keys */\nexport function sanitizeMetricKey(key: string): string {\n return key.replace(/[^\\w\\-.]+/gi, '_');\n}\n\nfunction sanitizeTagKey(key: string): string {\n return key.replace(/[^\\w\\-./]+/gi, '');\n}\n\nconst tagValueReplacements: [string, string][] = [\n ['\\n', '\\\\n'],\n ['\\r', '\\\\r'],\n ['\\t', '\\\\t'],\n ['\\\\', '\\\\\\\\'],\n ['|', '\\\\u{7c}'],\n [',', '\\\\u{2c}'],\n];\n\nfunction getCharOrReplacement(input: string): string {\n for (const [search, replacement] of tagValueReplacements) {\n if (input === search) {\n return replacement;\n }\n }\n\n return input;\n}\n\nfunction sanitizeTagValue(value: string): string {\n return [...value].reduce((acc, char) => acc + getCharOrReplacement(char), '');\n}\n\n/**\n * Sanitizes tags.\n */\nexport function sanitizeTags(unsanitizedTags: Record): Record {\n const tags: Record = {};\n for (const key in unsanitizedTags) {\n if (Object.prototype.hasOwnProperty.call(unsanitizedTags, key)) {\n const sanitizedKey = sanitizeTagKey(key);\n tags[sanitizedKey] = sanitizeTagValue(String(unsanitizedTags[key]));\n }\n }\n return tags;\n}\n","/* eslint-disable max-lines */\nimport type {\n Breadcrumb,\n BreadcrumbHint,\n Client,\n ClientOptions,\n DataCategory,\n DsnComponents,\n DynamicSamplingContext,\n Envelope,\n ErrorEvent,\n Event,\n EventDropReason,\n EventHint,\n EventProcessor,\n FeedbackEvent,\n Integration,\n IntegrationClass,\n MetricBucketItem,\n MetricsAggregator,\n Outcome,\n ParameterizedString,\n SdkMetadata,\n Session,\n SessionAggregates,\n Severity,\n SeverityLevel,\n StartSpanOptions,\n Transaction,\n TransactionEvent,\n Transport,\n TransportMakeRequestResponse,\n} from '@sentry/types';\nimport {\n SentryError,\n SyncPromise,\n addItemToEnvelope,\n checkOrSetAlreadyCaught,\n createAttachmentEnvelopeItem,\n isParameterizedString,\n isPlainObject,\n isPrimitive,\n isThenable,\n logger,\n makeDsn,\n rejectedSyncPromise,\n resolvedSyncPromise,\n} from '@sentry/utils';\n\nimport { getEnvelopeEndpointWithUrlEncodedAuth } from './api';\nimport { DEBUG_BUILD } from './debug-build';\nimport { createEventEnvelope, createSessionEnvelope } from './envelope';\nimport { getClient } from './exports';\nimport { getIsolationScope } from './hub';\nimport type { IntegrationIndex } from './integration';\nimport { afterSetupIntegrations } from './integration';\nimport { setupIntegration, setupIntegrations } from './integration';\nimport { createMetricEnvelope } from './metrics/envelope';\nimport type { Scope } from './scope';\nimport { updateSession } from './session';\nimport { getDynamicSamplingContextFromClient } from './tracing/dynamicSamplingContext';\nimport { prepareEvent } from './utils/prepareEvent';\n\nconst ALREADY_SEEN_ERROR = \"Not capturing exception because it's already been captured.\";\n\n/**\n * Base implementation for all JavaScript SDK clients.\n *\n * Call the constructor with the corresponding options\n * specific to the client subclass. To access these options later, use\n * {@link Client.getOptions}.\n *\n * If a Dsn is specified in the options, it will be parsed and stored. Use\n * {@link Client.getDsn} to retrieve the Dsn at any moment. In case the Dsn is\n * invalid, the constructor will throw a {@link SentryException}. Note that\n * without a valid Dsn, the SDK will not send any events to Sentry.\n *\n * Before sending an event, it is passed through\n * {@link BaseClient._prepareEvent} to add SDK information and scope data\n * (breadcrumbs and context). To add more custom information, override this\n * method and extend the resulting prepared event.\n *\n * To issue automatically created events (e.g. via instrumentation), use\n * {@link Client.captureEvent}. It will prepare the event and pass it through\n * the callback lifecycle. To issue auto-breadcrumbs, use\n * {@link Client.addBreadcrumb}.\n *\n * @example\n * class NodeClient extends BaseClient {\n * public constructor(options: NodeOptions) {\n * super(options);\n * }\n *\n * // ...\n * }\n */\nexport abstract class BaseClient implements Client {\n /**\n * A reference to a metrics aggregator\n *\n * @experimental Note this is alpha API. It may experience breaking changes in the future.\n */\n public metricsAggregator?: MetricsAggregator;\n\n /** Options passed to the SDK. */\n protected readonly _options: O;\n\n /** The client Dsn, if specified in options. Without this Dsn, the SDK will be disabled. */\n protected readonly _dsn?: DsnComponents;\n\n protected readonly _transport?: Transport;\n\n /** Array of set up integrations. */\n protected _integrations: IntegrationIndex;\n\n /** Indicates whether this client's integrations have been set up. */\n protected _integrationsInitialized: boolean;\n\n /** Number of calls being processed */\n protected _numProcessing: number;\n\n protected _eventProcessors: EventProcessor[];\n\n /** Holds flushable */\n private _outcomes: { [key: string]: number };\n\n // eslint-disable-next-line @typescript-eslint/ban-types\n private _hooks: Record;\n\n /**\n * Initializes this client instance.\n *\n * @param options Options for the client.\n */\n protected constructor(options: O) {\n this._options = options;\n this._integrations = {};\n this._integrationsInitialized = false;\n this._numProcessing = 0;\n this._outcomes = {};\n this._hooks = {};\n this._eventProcessors = [];\n\n if (options.dsn) {\n this._dsn = makeDsn(options.dsn);\n } else {\n DEBUG_BUILD && logger.warn('No DSN provided, client will not send events.');\n }\n\n if (this._dsn) {\n const url = getEnvelopeEndpointWithUrlEncodedAuth(this._dsn, options);\n this._transport = options.transport({\n tunnel: this._options.tunnel,\n recordDroppedEvent: this.recordDroppedEvent.bind(this),\n ...options.transportOptions,\n url,\n });\n }\n }\n\n /**\n * @inheritDoc\n */\n // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types\n public captureException(exception: any, hint?: EventHint, scope?: Scope): string | undefined {\n // ensure we haven't captured this very object before\n if (checkOrSetAlreadyCaught(exception)) {\n DEBUG_BUILD && logger.log(ALREADY_SEEN_ERROR);\n return;\n }\n\n let eventId: string | undefined = hint && hint.event_id;\n\n this._process(\n this.eventFromException(exception, hint)\n .then(event => this._captureEvent(event, hint, scope))\n .then(result => {\n eventId = result;\n }),\n );\n\n return eventId;\n }\n\n /**\n * @inheritDoc\n */\n public captureMessage(\n message: ParameterizedString,\n // eslint-disable-next-line deprecation/deprecation\n level?: Severity | SeverityLevel,\n hint?: EventHint,\n scope?: Scope,\n ): string | undefined {\n let eventId: string | undefined = hint && hint.event_id;\n\n const eventMessage = isParameterizedString(message) ? message : String(message);\n\n const promisedEvent = isPrimitive(message)\n ? this.eventFromMessage(eventMessage, level, hint)\n : this.eventFromException(message, hint);\n\n this._process(\n promisedEvent\n .then(event => this._captureEvent(event, hint, scope))\n .then(result => {\n eventId = result;\n }),\n );\n\n return eventId;\n }\n\n /**\n * @inheritDoc\n */\n public captureEvent(event: Event, hint?: EventHint, scope?: Scope): string | undefined {\n // ensure we haven't captured this very object before\n if (hint && hint.originalException && checkOrSetAlreadyCaught(hint.originalException)) {\n DEBUG_BUILD && logger.log(ALREADY_SEEN_ERROR);\n return;\n }\n\n let eventId: string | undefined = hint && hint.event_id;\n\n const sdkProcessingMetadata = event.sdkProcessingMetadata || {};\n const capturedSpanScope: Scope | undefined = sdkProcessingMetadata.capturedSpanScope;\n\n this._process(\n this._captureEvent(event, hint, capturedSpanScope || scope).then(result => {\n eventId = result;\n }),\n );\n\n return eventId;\n }\n\n /**\n * @inheritDoc\n */\n public captureSession(session: Session): void {\n if (!(typeof session.release === 'string')) {\n DEBUG_BUILD && logger.warn('Discarded session because of missing or non-string release');\n } else {\n this.sendSession(session);\n // After sending, we set init false to indicate it's not the first occurrence\n updateSession(session, { init: false });\n }\n }\n\n /**\n * @inheritDoc\n */\n public getDsn(): DsnComponents | undefined {\n return this._dsn;\n }\n\n /**\n * @inheritDoc\n */\n public getOptions(): O {\n return this._options;\n }\n\n /**\n * @see SdkMetadata in @sentry/types\n *\n * @return The metadata of the SDK\n */\n public getSdkMetadata(): SdkMetadata | undefined {\n return this._options._metadata;\n }\n\n /**\n * @inheritDoc\n */\n public getTransport(): Transport | undefined {\n return this._transport;\n }\n\n /**\n * @inheritDoc\n */\n public flush(timeout?: number): PromiseLike {\n const transport = this._transport;\n if (transport) {\n if (this.metricsAggregator) {\n this.metricsAggregator.flush();\n }\n return this._isClientDoneProcessing(timeout).then(clientFinished => {\n return transport.flush(timeout).then(transportFlushed => clientFinished && transportFlushed);\n });\n } else {\n return resolvedSyncPromise(true);\n }\n }\n\n /**\n * @inheritDoc\n */\n public close(timeout?: number): PromiseLike {\n return this.flush(timeout).then(result => {\n this.getOptions().enabled = false;\n if (this.metricsAggregator) {\n this.metricsAggregator.close();\n }\n return result;\n });\n }\n\n /** Get all installed event processors. */\n public getEventProcessors(): EventProcessor[] {\n return this._eventProcessors;\n }\n\n /** @inheritDoc */\n public addEventProcessor(eventProcessor: EventProcessor): void {\n this._eventProcessors.push(eventProcessor);\n }\n\n /**\n * This is an internal function to setup all integrations that should run on the client.\n * @deprecated Use `client.init()` instead.\n */\n public setupIntegrations(forceInitialize?: boolean): void {\n if ((forceInitialize && !this._integrationsInitialized) || (this._isEnabled() && !this._integrationsInitialized)) {\n this._setupIntegrations();\n }\n }\n\n /** @inheritdoc */\n public init(): void {\n if (this._isEnabled()) {\n this._setupIntegrations();\n }\n }\n\n /**\n * Gets an installed integration by its `id`.\n *\n * @returns The installed integration or `undefined` if no integration with that `id` was installed.\n * @deprecated Use `getIntegrationByName()` instead.\n */\n public getIntegrationById(integrationId: string): Integration | undefined {\n return this.getIntegrationByName(integrationId);\n }\n\n /**\n * Gets an installed integration by its name.\n *\n * @returns The installed integration or `undefined` if no integration with that `name` was installed.\n */\n public getIntegrationByName(integrationName: string): T | undefined {\n return this._integrations[integrationName] as T | undefined;\n }\n\n /**\n * Returns the client's instance of the given integration class, it any.\n * @deprecated Use `getIntegrationByName()` instead.\n */\n public getIntegration(integration: IntegrationClass): T | null {\n try {\n return (this._integrations[integration.id] as T) || null;\n } catch (_oO) {\n DEBUG_BUILD && logger.warn(`Cannot retrieve integration ${integration.id} from the current Client`);\n return null;\n }\n }\n\n /**\n * @inheritDoc\n */\n public addIntegration(integration: Integration): void {\n const isAlreadyInstalled = this._integrations[integration.name];\n\n // This hook takes care of only installing if not already installed\n setupIntegration(this, integration, this._integrations);\n // Here we need to check manually to make sure to not run this multiple times\n if (!isAlreadyInstalled) {\n afterSetupIntegrations(this, [integration]);\n }\n }\n\n /**\n * @inheritDoc\n */\n public sendEvent(event: Event, hint: EventHint = {}): void {\n this.emit('beforeSendEvent', event, hint);\n\n let env = createEventEnvelope(event, this._dsn, this._options._metadata, this._options.tunnel);\n\n for (const attachment of hint.attachments || []) {\n env = addItemToEnvelope(\n env,\n createAttachmentEnvelopeItem(\n attachment,\n this._options.transportOptions && this._options.transportOptions.textEncoder,\n ),\n );\n }\n\n const promise = this._sendEnvelope(env);\n if (promise) {\n promise.then(sendResponse => this.emit('afterSendEvent', event, sendResponse), null);\n }\n }\n\n /**\n * @inheritDoc\n */\n public sendSession(session: Session | SessionAggregates): void {\n const env = createSessionEnvelope(session, this._dsn, this._options._metadata, this._options.tunnel);\n\n // _sendEnvelope should not throw\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n this._sendEnvelope(env);\n }\n\n /**\n * @inheritDoc\n */\n public recordDroppedEvent(reason: EventDropReason, category: DataCategory, eventOrCount?: Event | number): void {\n if (this._options.sendClientReports) {\n // TODO v9: We do not need the `event` passed as third argument anymore, and can possibly remove this overload\n // If event is passed as third argument, we assume this is a count of 1\n const count = typeof eventOrCount === 'number' ? eventOrCount : 1;\n\n // We want to track each category (error, transaction, session, replay_event) separately\n // but still keep the distinction between different type of outcomes.\n // We could use nested maps, but it's much easier to read and type this way.\n // A correct type for map-based implementation if we want to go that route\n // would be `Partial>>>`\n // With typescript 4.1 we could even use template literal types\n const key = `${reason}:${category}`;\n DEBUG_BUILD && logger.log(`Recording outcome: \"${key}\"${count > 1 ? ` (${count} times)` : ''}`);\n this._outcomes[key] = (this._outcomes[key] || 0) + count;\n }\n }\n\n /**\n * @inheritDoc\n */\n public captureAggregateMetrics(metricBucketItems: Array): void {\n DEBUG_BUILD && logger.log(`Flushing aggregated metrics, number of metrics: ${metricBucketItems.length}`);\n const metricsEnvelope = createMetricEnvelope(\n metricBucketItems,\n this._dsn,\n this._options._metadata,\n this._options.tunnel,\n );\n\n // _sendEnvelope should not throw\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n this._sendEnvelope(metricsEnvelope);\n }\n\n // Keep on() & emit() signatures in sync with types' client.ts interface\n /* eslint-disable @typescript-eslint/unified-signatures */\n\n /** @inheritdoc */\n public on(hook: 'startTransaction', callback: (transaction: Transaction) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'finishTransaction', callback: (transaction: Transaction) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'beforeEnvelope', callback: (envelope: Envelope) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'beforeSendEvent', callback: (event: Event, hint?: EventHint) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'preprocessEvent', callback: (event: Event, hint?: EventHint) => void): void;\n\n /** @inheritdoc */\n public on(\n hook: 'afterSendEvent',\n callback: (event: Event, sendResponse: TransportMakeRequestResponse | void) => void,\n ): void;\n\n /** @inheritdoc */\n public on(hook: 'beforeAddBreadcrumb', callback: (breadcrumb: Breadcrumb, hint?: BreadcrumbHint) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'createDsc', callback: (dsc: DynamicSamplingContext) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'otelSpanEnd', callback: (otelSpan: unknown, mutableOptions: { drop: boolean }) => void): void;\n\n /** @inheritdoc */\n public on(\n hook: 'beforeSendFeedback',\n callback: (feedback: FeedbackEvent, options?: { includeReplay: boolean }) => void,\n ): void;\n\n /** @inheritdoc */\n public on(hook: 'startPageLoadSpan', callback: (options: StartSpanOptions) => void): void;\n\n /** @inheritdoc */\n public on(hook: 'startNavigationSpan', callback: (options: StartSpanOptions) => void): void;\n\n /** @inheritdoc */\n public on(hook: string, callback: unknown): void {\n if (!this._hooks[hook]) {\n this._hooks[hook] = [];\n }\n\n // @ts-expect-error We assue the types are correct\n this._hooks[hook].push(callback);\n }\n\n /** @inheritdoc */\n public emit(hook: 'startTransaction', transaction: Transaction): void;\n\n /** @inheritdoc */\n public emit(hook: 'finishTransaction', transaction: Transaction): void;\n\n /** @inheritdoc */\n public emit(hook: 'beforeEnvelope', envelope: Envelope): void;\n\n /** @inheritdoc */\n public emit(hook: 'beforeSendEvent', event: Event, hint?: EventHint): void;\n\n /** @inheritdoc */\n public emit(hook: 'preprocessEvent', event: Event, hint?: EventHint): void;\n\n /** @inheritdoc */\n public emit(hook: 'afterSendEvent', event: Event, sendResponse: TransportMakeRequestResponse | void): void;\n\n /** @inheritdoc */\n public emit(hook: 'beforeAddBreadcrumb', breadcrumb: Breadcrumb, hint?: BreadcrumbHint): void;\n\n /** @inheritdoc */\n public emit(hook: 'createDsc', dsc: DynamicSamplingContext): void;\n\n /** @inheritdoc */\n public emit(hook: 'otelSpanEnd', otelSpan: unknown, mutableOptions: { drop: boolean }): void;\n\n /** @inheritdoc */\n public emit(hook: 'beforeSendFeedback', feedback: FeedbackEvent, options?: { includeReplay: boolean }): void;\n\n /** @inheritdoc */\n public emit(hook: 'startPageLoadSpan', options: StartSpanOptions): void;\n\n /** @inheritdoc */\n public emit(hook: 'startNavigationSpan', options: StartSpanOptions): void;\n\n /** @inheritdoc */\n public emit(hook: string, ...rest: unknown[]): void {\n if (this._hooks[hook]) {\n this._hooks[hook].forEach(callback => callback(...rest));\n }\n }\n\n /* eslint-enable @typescript-eslint/unified-signatures */\n\n /** Setup integrations for this client. */\n protected _setupIntegrations(): void {\n const { integrations } = this._options;\n this._integrations = setupIntegrations(this, integrations);\n afterSetupIntegrations(this, integrations);\n\n // TODO v8: We don't need this flag anymore\n this._integrationsInitialized = true;\n }\n\n /** Updates existing session based on the provided event */\n protected _updateSessionFromEvent(session: Session, event: Event): void {\n let crashed = false;\n let errored = false;\n const exceptions = event.exception && event.exception.values;\n\n if (exceptions) {\n errored = true;\n\n for (const ex of exceptions) {\n const mechanism = ex.mechanism;\n if (mechanism && mechanism.handled === false) {\n crashed = true;\n break;\n }\n }\n }\n\n // A session is updated and that session update is sent in only one of the two following scenarios:\n // 1. Session with non terminal status and 0 errors + an error occurred -> Will set error count to 1 and send update\n // 2. Session with non terminal status and 1 error + a crash occurred -> Will set status crashed and send update\n const sessionNonTerminal = session.status === 'ok';\n const shouldUpdateAndSend = (sessionNonTerminal && session.errors === 0) || (sessionNonTerminal && crashed);\n\n if (shouldUpdateAndSend) {\n updateSession(session, {\n ...(crashed && { status: 'crashed' }),\n errors: session.errors || Number(errored || crashed),\n });\n this.captureSession(session);\n }\n }\n\n /**\n * Determine if the client is finished processing. Returns a promise because it will wait `timeout` ms before saying\n * \"no\" (resolving to `false`) in order to give the client a chance to potentially finish first.\n *\n * @param timeout The time, in ms, after which to resolve to `false` if the client is still busy. Passing `0` (or not\n * passing anything) will make the promise wait as long as it takes for processing to finish before resolving to\n * `true`.\n * @returns A promise which will resolve to `true` if processing is already done or finishes before the timeout, and\n * `false` otherwise\n */\n protected _isClientDoneProcessing(timeout?: number): PromiseLike {\n return new SyncPromise(resolve => {\n let ticked: number = 0;\n const tick: number = 1;\n\n const interval = setInterval(() => {\n if (this._numProcessing == 0) {\n clearInterval(interval);\n resolve(true);\n } else {\n ticked += tick;\n if (timeout && ticked >= timeout) {\n clearInterval(interval);\n resolve(false);\n }\n }\n }, tick);\n });\n }\n\n /** Determines whether this SDK is enabled and a transport is present. */\n protected _isEnabled(): boolean {\n return this.getOptions().enabled !== false && this._transport !== undefined;\n }\n\n /**\n * Adds common information to events.\n *\n * The information includes release and environment from `options`,\n * breadcrumbs and context (extra, tags and user) from the scope.\n *\n * Information that is already present in the event is never overwritten. For\n * nested objects, such as the context, keys are merged.\n *\n * @param event The original event.\n * @param hint May contain additional information about the original exception.\n * @param scope A scope containing event metadata.\n * @returns A new event with more information.\n */\n protected _prepareEvent(\n event: Event,\n hint: EventHint,\n scope?: Scope,\n isolationScope = getIsolationScope(),\n ): PromiseLike {\n const options = this.getOptions();\n const integrations = Object.keys(this._integrations);\n if (!hint.integrations && integrations.length > 0) {\n hint.integrations = integrations;\n }\n\n this.emit('preprocessEvent', event, hint);\n\n return prepareEvent(options, event, hint, scope, this, isolationScope).then(evt => {\n if (evt === null) {\n return evt;\n }\n\n const propagationContext = {\n ...isolationScope.getPropagationContext(),\n ...(scope ? scope.getPropagationContext() : undefined),\n };\n\n const trace = evt.contexts && evt.contexts.trace;\n if (!trace && propagationContext) {\n const { traceId: trace_id, spanId, parentSpanId, dsc } = propagationContext;\n evt.contexts = {\n trace: {\n trace_id,\n span_id: spanId,\n parent_span_id: parentSpanId,\n },\n ...evt.contexts,\n };\n\n const dynamicSamplingContext = dsc ? dsc : getDynamicSamplingContextFromClient(trace_id, this, scope);\n\n evt.sdkProcessingMetadata = {\n dynamicSamplingContext,\n ...evt.sdkProcessingMetadata,\n };\n }\n return evt;\n });\n }\n\n /**\n * Processes the event and logs an error in case of rejection\n * @param event\n * @param hint\n * @param scope\n */\n protected _captureEvent(event: Event, hint: EventHint = {}, scope?: Scope): PromiseLike {\n return this._processEvent(event, hint, scope).then(\n finalEvent => {\n return finalEvent.event_id;\n },\n reason => {\n if (DEBUG_BUILD) {\n // If something's gone wrong, log the error as a warning. If it's just us having used a `SentryError` for\n // control flow, log just the message (no stack) as a log-level log.\n const sentryError = reason as SentryError;\n if (sentryError.logLevel === 'log') {\n logger.log(sentryError.message);\n } else {\n logger.warn(sentryError);\n }\n }\n return undefined;\n },\n );\n }\n\n /**\n * Processes an event (either error or message) and sends it to Sentry.\n *\n * This also adds breadcrumbs and context information to the event. However,\n * platform specific meta data (such as the User's IP address) must be added\n * by the SDK implementor.\n *\n *\n * @param event The event to send to Sentry.\n * @param hint May contain additional information about the original exception.\n * @param scope A scope containing event metadata.\n * @returns A SyncPromise that resolves with the event or rejects in case event was/will not be send.\n */\n protected _processEvent(event: Event, hint: EventHint, scope?: Scope): PromiseLike {\n const options = this.getOptions();\n const { sampleRate } = options;\n\n const isTransaction = isTransactionEvent(event);\n const isError = isErrorEvent(event);\n const eventType = event.type || 'error';\n const beforeSendLabel = `before send for type \\`${eventType}\\``;\n\n // 1.0 === 100% events are sent\n // 0.0 === 0% events are sent\n // Sampling for transaction happens somewhere else\n if (isError && typeof sampleRate === 'number' && Math.random() > sampleRate) {\n this.recordDroppedEvent('sample_rate', 'error', event);\n return rejectedSyncPromise(\n new SentryError(\n `Discarding event because it's not included in the random sample (sampling rate = ${sampleRate})`,\n 'log',\n ),\n );\n }\n\n const dataCategory: DataCategory = eventType === 'replay_event' ? 'replay' : eventType;\n\n const sdkProcessingMetadata = event.sdkProcessingMetadata || {};\n const capturedSpanIsolationScope: Scope | undefined = sdkProcessingMetadata.capturedSpanIsolationScope;\n\n return this._prepareEvent(event, hint, scope, capturedSpanIsolationScope)\n .then(prepared => {\n if (prepared === null) {\n this.recordDroppedEvent('event_processor', dataCategory, event);\n throw new SentryError('An event processor returned `null`, will not send event.', 'log');\n }\n\n const isInternalException = hint.data && (hint.data as { __sentry__: boolean }).__sentry__ === true;\n if (isInternalException) {\n return prepared;\n }\n\n const result = processBeforeSend(options, prepared, hint);\n return _validateBeforeSendResult(result, beforeSendLabel);\n })\n .then(processedEvent => {\n if (processedEvent === null) {\n this.recordDroppedEvent('before_send', dataCategory, event);\n if (isTransaction) {\n const spans = event.spans || [];\n // the transaction itself counts as one span, plus all the child spans that are added\n const spanCount = 1 + spans.length;\n this.recordDroppedEvent('before_send', 'span', spanCount);\n }\n throw new SentryError(`${beforeSendLabel} returned \\`null\\`, will not send event.`, 'log');\n }\n\n const session = scope && scope.getSession();\n if (!isTransaction && session) {\n this._updateSessionFromEvent(session, processedEvent);\n }\n\n if (isTransaction) {\n const spanCountBefore =\n (processedEvent.sdkProcessingMetadata && processedEvent.sdkProcessingMetadata.spanCountBeforeProcessing) ||\n 0;\n const spanCountAfter = processedEvent.spans ? processedEvent.spans.length : 0;\n\n const droppedSpanCount = spanCountBefore - spanCountAfter;\n if (droppedSpanCount > 0) {\n this.recordDroppedEvent('before_send', 'span', droppedSpanCount);\n }\n }\n\n // None of the Sentry built event processor will update transaction name,\n // so if the transaction name has been changed by an event processor, we know\n // it has to come from custom event processor added by a user\n const transactionInfo = processedEvent.transaction_info;\n if (isTransaction && transactionInfo && processedEvent.transaction !== event.transaction) {\n const source = 'custom';\n processedEvent.transaction_info = {\n ...transactionInfo,\n source,\n };\n }\n\n this.sendEvent(processedEvent, hint);\n return processedEvent;\n })\n .then(null, reason => {\n if (reason instanceof SentryError) {\n throw reason;\n }\n\n this.captureException(reason, {\n data: {\n __sentry__: true,\n },\n originalException: reason,\n });\n throw new SentryError(\n `Event processing pipeline threw an error, original event will not be sent. Details have been sent as a new event.\\nReason: ${reason}`,\n );\n });\n }\n\n /**\n * Occupies the client with processing and event\n */\n protected _process(promise: PromiseLike): void {\n this._numProcessing++;\n void promise.then(\n value => {\n this._numProcessing--;\n return value;\n },\n reason => {\n this._numProcessing--;\n return reason;\n },\n );\n }\n\n /**\n * @inheritdoc\n */\n protected _sendEnvelope(envelope: Envelope): PromiseLike | void {\n this.emit('beforeEnvelope', envelope);\n\n if (this._isEnabled() && this._transport) {\n return this._transport.send(envelope).then(null, reason => {\n DEBUG_BUILD && logger.error('Error while sending event:', reason);\n });\n } else {\n DEBUG_BUILD && logger.error('Transport disabled');\n }\n }\n\n /**\n * Clears outcomes on this client and returns them.\n */\n protected _clearOutcomes(): Outcome[] {\n const outcomes = this._outcomes;\n this._outcomes = {};\n return Object.keys(outcomes).map(key => {\n const [reason, category] = key.split(':') as [EventDropReason, DataCategory];\n return {\n reason,\n category,\n quantity: outcomes[key],\n };\n });\n }\n\n /**\n * @inheritDoc\n */\n // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types\n public abstract eventFromException(_exception: any, _hint?: EventHint): PromiseLike;\n\n /**\n * @inheritDoc\n */\n public abstract eventFromMessage(\n _message: ParameterizedString,\n // eslint-disable-next-line deprecation/deprecation\n _level?: Severity | SeverityLevel,\n _hint?: EventHint,\n ): PromiseLike;\n}\n\n/**\n * Verifies that return value of configured `beforeSend` or `beforeSendTransaction` is of expected type, and returns the value if so.\n */\nfunction _validateBeforeSendResult(\n beforeSendResult: PromiseLike | Event | null,\n beforeSendLabel: string,\n): PromiseLike | Event | null {\n const invalidValueError = `${beforeSendLabel} must return \\`null\\` or a valid event.`;\n if (isThenable(beforeSendResult)) {\n return beforeSendResult.then(\n event => {\n if (!isPlainObject(event) && event !== null) {\n throw new SentryError(invalidValueError);\n }\n return event;\n },\n e => {\n throw new SentryError(`${beforeSendLabel} rejected with ${e}`);\n },\n );\n } else if (!isPlainObject(beforeSendResult) && beforeSendResult !== null) {\n throw new SentryError(invalidValueError);\n }\n return beforeSendResult;\n}\n\n/**\n * Process the matching `beforeSendXXX` callback.\n */\nfunction processBeforeSend(\n options: ClientOptions,\n event: Event,\n hint: EventHint,\n): PromiseLike | Event | null {\n const { beforeSend, beforeSendTransaction } = options;\n\n if (isErrorEvent(event) && beforeSend) {\n return beforeSend(event, hint);\n }\n\n if (isTransactionEvent(event) && beforeSendTransaction) {\n if (event.spans) {\n // We store the # of spans before processing in SDK metadata,\n // so we can compare it afterwards to determine how many spans were dropped\n const spanCountBefore = event.spans.length;\n event.sdkProcessingMetadata = {\n ...event.sdkProcessingMetadata,\n spanCountBeforeProcessing: spanCountBefore,\n };\n }\n return beforeSendTransaction(event, hint);\n }\n\n return event;\n}\n\nfunction isErrorEvent(event: Event): event is ErrorEvent {\n return event.type === undefined;\n}\n\nfunction isTransactionEvent(event: Event): event is TransactionEvent {\n return event.type === 'transaction';\n}\n\n/**\n * Add an event processor to the current client.\n * This event processor will run for all events processed by this client.\n */\nexport function addEventProcessor(callback: EventProcessor): void {\n const client = getClient();\n\n if (!client || !client.addEventProcessor) {\n return;\n }\n\n client.addEventProcessor(callback);\n}\n","import type {\n DsnComponents,\n Event,\n EventEnvelope,\n EventItem,\n SdkInfo,\n SdkMetadata,\n Session,\n SessionAggregates,\n SessionEnvelope,\n SessionItem,\n} from '@sentry/types';\nimport {\n createEnvelope,\n createEventEnvelopeHeaders,\n dsnToString,\n getSdkMetadataForEnvelopeHeader,\n} from '@sentry/utils';\n\n/**\n * Apply SdkInfo (name, version, packages, integrations) to the corresponding event key.\n * Merge with existing data if any.\n **/\nfunction enhanceEventWithSdkInfo(event: Event, sdkInfo?: SdkInfo): Event {\n if (!sdkInfo) {\n return event;\n }\n event.sdk = event.sdk || {};\n event.sdk.name = event.sdk.name || sdkInfo.name;\n event.sdk.version = event.sdk.version || sdkInfo.version;\n event.sdk.integrations = [...(event.sdk.integrations || []), ...(sdkInfo.integrations || [])];\n event.sdk.packages = [...(event.sdk.packages || []), ...(sdkInfo.packages || [])];\n return event;\n}\n\n/** Creates an envelope from a Session */\nexport function createSessionEnvelope(\n session: Session | SessionAggregates,\n dsn?: DsnComponents,\n metadata?: SdkMetadata,\n tunnel?: string,\n): SessionEnvelope {\n const sdkInfo = getSdkMetadataForEnvelopeHeader(metadata);\n const envelopeHeaders = {\n sent_at: new Date().toISOString(),\n ...(sdkInfo && { sdk: sdkInfo }),\n ...(!!tunnel && dsn && { dsn: dsnToString(dsn) }),\n };\n\n const envelopeItem: SessionItem =\n 'aggregates' in session ? [{ type: 'sessions' }, session] : [{ type: 'session' }, session.toJSON()];\n\n return createEnvelope(envelopeHeaders, [envelopeItem]);\n}\n\n/**\n * Create an Envelope from an event.\n */\nexport function createEventEnvelope(\n event: Event,\n dsn?: DsnComponents,\n metadata?: SdkMetadata,\n tunnel?: string,\n): EventEnvelope {\n const sdkInfo = getSdkMetadataForEnvelopeHeader(metadata);\n\n /*\n Note: Due to TS, event.type may be `replay_event`, theoretically.\n In practice, we never call `createEventEnvelope` with `replay_event` type,\n and we'd have to adjut a looot of types to make this work properly.\n We want to avoid casting this around, as that could lead to bugs (e.g. when we add another type)\n So the safe choice is to really guard against the replay_event type here.\n */\n const eventType = event.type && event.type !== 'replay_event' ? event.type : 'event';\n\n enhanceEventWithSdkInfo(event, metadata && metadata.sdk);\n\n const envelopeHeaders = createEventEnvelopeHeaders(event, sdkInfo, tunnel, dsn);\n\n // Prevent this data (which, if it exists, was used in earlier steps in the processing pipeline) from being sent to\n // sentry. (Note: Our use of this property comes and goes with whatever we might be debugging, whatever hacks we may\n // have temporarily added, etc. Even if we don't happen to be using it at some point in the future, let's not get rid\n // of this `delete`, lest we miss putting it back in the next time the property is in use.)\n delete event.sdkProcessingMetadata;\n\n const eventItem: EventItem = [{ type: eventType }, event];\n return createEnvelope(envelopeHeaders, [eventItem]);\n}\n","import { getClient } from '@sentry/core';\nimport type {\n Event,\n EventHint,\n Exception,\n ParameterizedString,\n Severity,\n SeverityLevel,\n StackFrame,\n StackParser,\n} from '@sentry/types';\nimport {\n addExceptionMechanism,\n addExceptionTypeValue,\n extractExceptionKeysForMessage,\n isDOMError,\n isDOMException,\n isError,\n isErrorEvent,\n isEvent,\n isParameterizedString,\n isPlainObject,\n normalizeToSize,\n resolvedSyncPromise,\n} from '@sentry/utils';\n\ntype Prototype = { constructor: (...args: unknown[]) => unknown };\n\n/**\n * This function creates an exception from a JavaScript Error\n */\nexport function exceptionFromError(stackParser: StackParser, ex: Error): Exception {\n // Get the frames first since Opera can lose the stack if we touch anything else first\n const frames = parseStackFrames(stackParser, ex);\n\n const exception: Exception = {\n type: ex && ex.name,\n value: extractMessage(ex),\n };\n\n if (frames.length) {\n exception.stacktrace = { frames };\n }\n\n if (exception.type === undefined && exception.value === '') {\n exception.value = 'Unrecoverable error caught';\n }\n\n return exception;\n}\n\n/**\n * @hidden\n */\nexport function eventFromPlainObject(\n stackParser: StackParser,\n exception: Record,\n syntheticException?: Error,\n isUnhandledRejection?: boolean,\n): Event {\n const client = getClient();\n const normalizeDepth = client && client.getOptions().normalizeDepth;\n\n const event: Event = {\n exception: {\n values: [\n {\n type: isEvent(exception) ? exception.constructor.name : isUnhandledRejection ? 'UnhandledRejection' : 'Error',\n value: getNonErrorObjectExceptionValue(exception, { isUnhandledRejection }),\n },\n ],\n },\n extra: {\n __serialized__: normalizeToSize(exception, normalizeDepth),\n },\n };\n\n if (syntheticException) {\n const frames = parseStackFrames(stackParser, syntheticException);\n if (frames.length) {\n // event.exception.values[0] has been set above\n (event.exception as { values: Exception[] }).values[0].stacktrace = { frames };\n }\n }\n\n return event;\n}\n\n/**\n * @hidden\n */\nexport function eventFromError(stackParser: StackParser, ex: Error): Event {\n return {\n exception: {\n values: [exceptionFromError(stackParser, ex)],\n },\n };\n}\n\n/** Parses stack frames from an error */\nexport function parseStackFrames(\n stackParser: StackParser,\n ex: Error & { framesToPop?: number; stacktrace?: string },\n): StackFrame[] {\n // Access and store the stacktrace property before doing ANYTHING\n // else to it because Opera is not very good at providing it\n // reliably in other circumstances.\n const stacktrace = ex.stacktrace || ex.stack || '';\n\n const popSize = getPopSize(ex);\n\n try {\n return stackParser(stacktrace, popSize);\n } catch (e) {\n // no-empty\n }\n\n return [];\n}\n\n// Based on our own mapping pattern - https://github.com/getsentry/sentry/blob/9f08305e09866c8bd6d0c24f5b0aabdd7dd6c59c/src/sentry/lang/javascript/errormapping.py#L83-L108\nconst reactMinifiedRegexp = /Minified React error #\\d+;/i;\n\nfunction getPopSize(ex: Error & { framesToPop?: number }): number {\n if (ex) {\n if (typeof ex.framesToPop === 'number') {\n return ex.framesToPop;\n }\n\n if (reactMinifiedRegexp.test(ex.message)) {\n return 1;\n }\n }\n\n return 0;\n}\n\n/**\n * There are cases where stacktrace.message is an Event object\n * https://github.com/getsentry/sentry-javascript/issues/1949\n * In this specific case we try to extract stacktrace.message.error.message\n */\nfunction extractMessage(ex: Error & { message: { error?: Error } }): string {\n const message = ex && ex.message;\n if (!message) {\n return 'No error message';\n }\n if (message.error && typeof message.error.message === 'string') {\n return message.error.message;\n }\n return message;\n}\n\n/**\n * Creates an {@link Event} from all inputs to `captureException` and non-primitive inputs to `captureMessage`.\n * @hidden\n */\nexport function eventFromException(\n stackParser: StackParser,\n exception: unknown,\n hint?: EventHint,\n attachStacktrace?: boolean,\n): PromiseLike {\n const syntheticException = (hint && hint.syntheticException) || undefined;\n const event = eventFromUnknownInput(stackParser, exception, syntheticException, attachStacktrace);\n addExceptionMechanism(event); // defaults to { type: 'generic', handled: true }\n event.level = 'error';\n if (hint && hint.event_id) {\n event.event_id = hint.event_id;\n }\n return resolvedSyncPromise(event);\n}\n\n/**\n * Builds and Event from a Message\n * @hidden\n */\nexport function eventFromMessage(\n stackParser: StackParser,\n message: ParameterizedString,\n // eslint-disable-next-line deprecation/deprecation\n level: Severity | SeverityLevel = 'info',\n hint?: EventHint,\n attachStacktrace?: boolean,\n): PromiseLike {\n const syntheticException = (hint && hint.syntheticException) || undefined;\n const event = eventFromString(stackParser, message, syntheticException, attachStacktrace);\n event.level = level;\n if (hint && hint.event_id) {\n event.event_id = hint.event_id;\n }\n return resolvedSyncPromise(event);\n}\n\n/**\n * @hidden\n */\nexport function eventFromUnknownInput(\n stackParser: StackParser,\n exception: unknown,\n syntheticException?: Error,\n attachStacktrace?: boolean,\n isUnhandledRejection?: boolean,\n): Event {\n let event: Event;\n\n if (isErrorEvent(exception as ErrorEvent) && (exception as ErrorEvent).error) {\n // If it is an ErrorEvent with `error` property, extract it to get actual Error\n const errorEvent = exception as ErrorEvent;\n return eventFromError(stackParser, errorEvent.error as Error);\n }\n\n // If it is a `DOMError` (which is a legacy API, but still supported in some browsers) then we just extract the name\n // and message, as it doesn't provide anything else. According to the spec, all `DOMExceptions` should also be\n // `Error`s, but that's not the case in IE11, so in that case we treat it the same as we do a `DOMError`.\n //\n // https://developer.mozilla.org/en-US/docs/Web/API/DOMError\n // https://developer.mozilla.org/en-US/docs/Web/API/DOMException\n // https://webidl.spec.whatwg.org/#es-DOMException-specialness\n if (isDOMError(exception) || isDOMException(exception as DOMException)) {\n const domException = exception as DOMException;\n\n if ('stack' in (exception as Error)) {\n event = eventFromError(stackParser, exception as Error);\n } else {\n const name = domException.name || (isDOMError(domException) ? 'DOMError' : 'DOMException');\n const message = domException.message ? `${name}: ${domException.message}` : name;\n event = eventFromString(stackParser, message, syntheticException, attachStacktrace);\n addExceptionTypeValue(event, message);\n }\n if ('code' in domException) {\n // eslint-disable-next-line deprecation/deprecation\n event.tags = { ...event.tags, 'DOMException.code': `${domException.code}` };\n }\n\n return event;\n }\n if (isError(exception)) {\n // we have a real Error object, do nothing\n return eventFromError(stackParser, exception);\n }\n if (isPlainObject(exception) || isEvent(exception)) {\n // If it's a plain object or an instance of `Event` (the built-in JS kind, not this SDK's `Event` type), serialize\n // it manually. This will allow us to group events based on top-level keys which is much better than creating a new\n // group on any key/value change.\n const objectException = exception as Record;\n event = eventFromPlainObject(stackParser, objectException, syntheticException, isUnhandledRejection);\n addExceptionMechanism(event, {\n synthetic: true,\n });\n return event;\n }\n\n // If none of previous checks were valid, then it means that it's not:\n // - an instance of DOMError\n // - an instance of DOMException\n // - an instance of Event\n // - an instance of Error\n // - a valid ErrorEvent (one with an error property)\n // - a plain Object\n //\n // So bail out and capture it as a simple message:\n event = eventFromString(stackParser, exception as string, syntheticException, attachStacktrace);\n addExceptionTypeValue(event, `${exception}`, undefined);\n addExceptionMechanism(event, {\n synthetic: true,\n });\n\n return event;\n}\n\n/**\n * @hidden\n */\nexport function eventFromString(\n stackParser: StackParser,\n message: ParameterizedString,\n syntheticException?: Error,\n attachStacktrace?: boolean,\n): Event {\n const event: Event = {};\n\n if (attachStacktrace && syntheticException) {\n const frames = parseStackFrames(stackParser, syntheticException);\n if (frames.length) {\n event.exception = {\n values: [{ value: message, stacktrace: { frames } }],\n };\n }\n }\n\n if (isParameterizedString(message)) {\n const { __sentry_template_string__, __sentry_template_values__ } = message;\n\n event.logentry = {\n message: __sentry_template_string__,\n params: __sentry_template_values__,\n };\n return event;\n }\n\n event.message = message;\n return event;\n}\n\nfunction getNonErrorObjectExceptionValue(\n exception: Record,\n { isUnhandledRejection }: { isUnhandledRejection?: boolean },\n): string {\n const keys = extractExceptionKeysForMessage(exception);\n const captureType = isUnhandledRejection ? 'promise rejection' : 'exception';\n\n // Some ErrorEvent instances do not have an `error` property, which is why they are not handled before\n // We still want to try to get a decent message for these cases\n if (isErrorEvent(exception)) {\n return `Event \\`ErrorEvent\\` captured as ${captureType} with message \\`${exception.message}\\``;\n }\n\n if (isEvent(exception)) {\n const className = getObjectClassName(exception);\n return `Event \\`${className}\\` (type=${exception.type}) captured as ${captureType}`;\n }\n\n return `Object captured as ${captureType} with keys: ${keys}`;\n}\n\nfunction getObjectClassName(obj: unknown): string | undefined | void {\n try {\n const prototype: Prototype | null = Object.getPrototypeOf(obj);\n return prototype ? prototype.constructor.name : undefined;\n } catch (e) {\n // ignore errors here\n }\n}\n","import type { Scope } from '@sentry/core';\nimport { applySdkMetadata } from '@sentry/core';\nimport { BaseClient } from '@sentry/core';\nimport type {\n BrowserClientProfilingOptions,\n BrowserClientReplayOptions,\n ClientOptions,\n Event,\n EventHint,\n Options,\n ParameterizedString,\n Severity,\n SeverityLevel,\n UserFeedback,\n} from '@sentry/types';\nimport { createClientReportEnvelope, dsnToString, getSDKSource, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport { eventFromException, eventFromMessage } from './eventbuilder';\nimport { WINDOW } from './helpers';\nimport type { BrowserTransportOptions } from './transports/types';\nimport { createUserFeedbackEnvelope } from './userfeedback';\n\n/**\n * Configuration options for the Sentry Browser SDK.\n * @see @sentry/types Options for more information.\n */\nexport type BrowserOptions = Options &\n BrowserClientReplayOptions &\n BrowserClientProfilingOptions;\n\n/**\n * Configuration options for the Sentry Browser SDK Client class\n * @see BrowserClient for more information.\n */\nexport type BrowserClientOptions = ClientOptions &\n BrowserClientReplayOptions &\n BrowserClientProfilingOptions;\n\n/**\n * The Sentry Browser SDK Client.\n *\n * @see BrowserOptions for documentation on configuration options.\n * @see SentryClient for usage documentation.\n */\nexport class BrowserClient extends BaseClient {\n /**\n * Creates a new Browser SDK instance.\n *\n * @param options Configuration options for this SDK.\n */\n public constructor(options: BrowserClientOptions) {\n const sdkSource = WINDOW.SENTRY_SDK_SOURCE || getSDKSource();\n applySdkMetadata(options, 'browser', ['browser'], sdkSource);\n\n super(options);\n\n if (options.sendClientReports && WINDOW.document) {\n WINDOW.document.addEventListener('visibilitychange', () => {\n if (WINDOW.document.visibilityState === 'hidden') {\n this._flushOutcomes();\n }\n });\n }\n }\n\n /**\n * @inheritDoc\n */\n public eventFromException(exception: unknown, hint?: EventHint): PromiseLike {\n return eventFromException(this._options.stackParser, exception, hint, this._options.attachStacktrace);\n }\n\n /**\n * @inheritDoc\n */\n public eventFromMessage(\n message: ParameterizedString,\n // eslint-disable-next-line deprecation/deprecation\n level: Severity | SeverityLevel = 'info',\n hint?: EventHint,\n ): PromiseLike {\n return eventFromMessage(this._options.stackParser, message, level, hint, this._options.attachStacktrace);\n }\n\n /**\n * Sends user feedback to Sentry.\n */\n public captureUserFeedback(feedback: UserFeedback): void {\n if (!this._isEnabled()) {\n DEBUG_BUILD && logger.warn('SDK not enabled, will not capture user feedback.');\n return;\n }\n\n const envelope = createUserFeedbackEnvelope(feedback, {\n metadata: this.getSdkMetadata(),\n dsn: this.getDsn(),\n tunnel: this.getOptions().tunnel,\n });\n\n // _sendEnvelope should not throw\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n this._sendEnvelope(envelope);\n }\n\n /**\n * @inheritDoc\n */\n protected _prepareEvent(event: Event, hint: EventHint, scope?: Scope): PromiseLike {\n event.platform = event.platform || 'javascript';\n return super._prepareEvent(event, hint, scope);\n }\n\n /**\n * Sends client reports as an envelope.\n */\n private _flushOutcomes(): void {\n const outcomes = this._clearOutcomes();\n\n if (outcomes.length === 0) {\n DEBUG_BUILD && logger.log('No outcomes to send');\n return;\n }\n\n // This is really the only place where we want to check for a DSN and only send outcomes then\n if (!this._dsn) {\n DEBUG_BUILD && logger.log('No dsn provided, will not send outcomes');\n return;\n }\n\n DEBUG_BUILD && logger.log('Sending outcomes:', outcomes);\n\n const envelope = createClientReportEnvelope(outcomes, this._options.tunnel && dsnToString(this._dsn));\n\n // _sendEnvelope should not throw\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n this._sendEnvelope(envelope);\n }\n}\n","/*\n * This module exists for optimizations in the build process through rollup and terser. We define some global\n * constants, which can be overridden during build. By guarding certain pieces of code with functions that return these\n * constants, we can control whether or not they appear in the final bundle. (Any code guarded by a false condition will\n * never run, and will hence be dropped during treeshaking.) The two primary uses for this are stripping out calls to\n * `logger` and preventing node-related code from appearing in browser bundles.\n *\n * Attention:\n * This file should not be used to define constants/flags that are intended to be used for tree-shaking conducted by\n * users. These flags should live in their respective packages, as we identified user tooling (specifically webpack)\n * having issues tree-shaking these constants across package boundaries.\n * An example for this is the __SENTRY_DEBUG__ constant. It is declared in each package individually because we want\n * users to be able to shake away expressions that it guards.\n */\n\ndeclare const __SENTRY_BROWSER_BUNDLE__: boolean | undefined;\n\nexport type SdkSource = 'npm' | 'cdn' | 'loader';\n\n/**\n * Figures out if we're building a browser bundle.\n *\n * @returns true if this is a browser bundle build.\n */\nexport function isBrowserBundle(): boolean {\n return typeof __SENTRY_BROWSER_BUNDLE__ !== 'undefined' && !!__SENTRY_BROWSER_BUNDLE__;\n}\n\n/**\n * Get source of SDK.\n */\nexport function getSDKSource(): SdkSource {\n // @ts-expect-error __SENTRY_SDK_SOURCE__ is injected by rollup during build process\n return __SENTRY_SDK_SOURCE__;\n}\n","import type { DsnComponents, EventEnvelope, SdkMetadata, UserFeedback, UserFeedbackItem } from '@sentry/types';\nimport { createEnvelope, dsnToString } from '@sentry/utils';\n\n/**\n * Creates an envelope from a user feedback.\n */\nexport function createUserFeedbackEnvelope(\n feedback: UserFeedback,\n {\n metadata,\n tunnel,\n dsn,\n }: {\n metadata: SdkMetadata | undefined;\n tunnel: string | undefined;\n dsn: DsnComponents | undefined;\n },\n): EventEnvelope {\n const headers: EventEnvelope[0] = {\n event_id: feedback.event_id,\n sent_at: new Date().toISOString(),\n ...(metadata &&\n metadata.sdk && {\n sdk: {\n name: metadata.sdk.name,\n version: metadata.sdk.version,\n },\n }),\n ...(!!tunnel && !!dsn && { dsn: dsnToString(dsn) }),\n };\n const item = createUserFeedbackEnvelopeItem(feedback);\n\n return createEnvelope(headers, [item]);\n}\n\nfunction createUserFeedbackEnvelopeItem(feedback: UserFeedback): UserFeedbackItem {\n const feedbackHeaders: UserFeedbackItem[0] = {\n type: 'user_report',\n };\n return [feedbackHeaders, feedback];\n}\n","import type { ClientReport, ClientReportEnvelope, ClientReportItem } from '@sentry/types';\n\nimport { createEnvelope } from './envelope';\nimport { dateTimestampInSeconds } from './time';\n\n/**\n * Creates client report envelope\n * @param discarded_events An array of discard events\n * @param dsn A DSN that can be set on the header. Optional.\n */\nexport function createClientReportEnvelope(\n discarded_events: ClientReport['discarded_events'],\n dsn?: string,\n timestamp?: number,\n): ClientReportEnvelope {\n const clientReportItem: ClientReportItem = [\n { type: 'client_report' },\n {\n timestamp: timestamp || dateTimestampInSeconds(),\n discarded_events,\n },\n ];\n return createEnvelope(dsn ? { dsn } : {}, [clientReportItem]);\n}\n","/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/ban-types */\nimport type { ConsoleLevel, HandlerDataConsole } from '@sentry/types';\n\nimport { CONSOLE_LEVELS, originalConsoleMethods } from '../logger';\nimport { fill } from '../object';\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\n/**\n * Add an instrumentation handler for when a console.xxx method is called.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addConsoleInstrumentationHandler(handler: (data: HandlerDataConsole) => void): void {\n const type = 'console';\n addHandler(type, handler);\n maybeInstrument(type, instrumentConsole);\n}\n\nfunction instrumentConsole(): void {\n if (!('console' in GLOBAL_OBJ)) {\n return;\n }\n\n CONSOLE_LEVELS.forEach(function (level: ConsoleLevel): void {\n if (!(level in GLOBAL_OBJ.console)) {\n return;\n }\n\n fill(GLOBAL_OBJ.console, level, function (originalConsoleMethod: () => any): Function {\n originalConsoleMethods[level] = originalConsoleMethod;\n\n return function (...args: any[]): void {\n const handlerData: HandlerDataConsole = { args, level };\n triggerHandlers('console', handlerData);\n\n const log = originalConsoleMethods[level];\n log && log.apply(GLOBAL_OBJ.console, args);\n };\n });\n });\n}\n","// TODO(v8): Move everything in this file into the browser package. Nothing here is generic and we run risk of leaking browser types into non-browser packages.\n\n/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/ban-types */\nimport type { HandlerDataDom } from '@sentry/types';\n\nimport { uuid4 } from '../misc';\nimport { addNonEnumerableProperty, fill } from '../object';\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\ntype SentryWrappedTarget = HTMLElement & { _sentryId?: string };\n\ntype AddEventListener = (\n type: string,\n listener: EventListenerOrEventListenerObject,\n options?: boolean | AddEventListenerOptions,\n) => void;\ntype RemoveEventListener = (\n type: string,\n listener: EventListenerOrEventListenerObject,\n options?: boolean | EventListenerOptions,\n) => void;\n\ntype InstrumentedElement = Element & {\n __sentry_instrumentation_handlers__?: {\n [key in 'click' | 'keypress']?: {\n handler?: Function;\n /** The number of custom listeners attached to this element */\n refCount: number;\n };\n };\n};\n\nconst WINDOW = GLOBAL_OBJ as unknown as Window;\nconst DEBOUNCE_DURATION = 1000;\n\nlet debounceTimerID: number | undefined;\nlet lastCapturedEventType: string | undefined;\nlet lastCapturedEventTargetId: string | undefined;\n\n/**\n * Add an instrumentation handler for when a click or a keypress happens.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addClickKeypressInstrumentationHandler(handler: (data: HandlerDataDom) => void): void {\n const type = 'dom';\n addHandler(type, handler);\n maybeInstrument(type, instrumentDOM);\n}\n\n/** Exported for tests only. */\nexport function instrumentDOM(): void {\n if (!WINDOW.document) {\n return;\n }\n\n // Make it so that any click or keypress that is unhandled / bubbled up all the way to the document triggers our dom\n // handlers. (Normally we have only one, which captures a breadcrumb for each click or keypress.) Do this before\n // we instrument `addEventListener` so that we don't end up attaching this handler twice.\n const triggerDOMHandler = triggerHandlers.bind(null, 'dom');\n const globalDOMEventHandler = makeDOMEventHandler(triggerDOMHandler, true);\n WINDOW.document.addEventListener('click', globalDOMEventHandler, false);\n WINDOW.document.addEventListener('keypress', globalDOMEventHandler, false);\n\n // After hooking into click and keypress events bubbled up to `document`, we also hook into user-handled\n // clicks & keypresses, by adding an event listener of our own to any element to which they add a listener. That\n // way, whenever one of their handlers is triggered, ours will be, too. (This is needed because their handler\n // could potentially prevent the event from bubbling up to our global listeners. This way, our handler are still\n // guaranteed to fire at least once.)\n ['EventTarget', 'Node'].forEach((target: string) => {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n const proto = (WINDOW as any)[target] && (WINDOW as any)[target].prototype;\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, no-prototype-builtins\n if (!proto || !proto.hasOwnProperty || !proto.hasOwnProperty('addEventListener')) {\n return;\n }\n\n fill(proto, 'addEventListener', function (originalAddEventListener: AddEventListener): AddEventListener {\n return function (\n this: Element,\n type: string,\n listener: EventListenerOrEventListenerObject,\n options?: boolean | AddEventListenerOptions,\n ): AddEventListener {\n if (type === 'click' || type == 'keypress') {\n try {\n const el = this as InstrumentedElement;\n const handlers = (el.__sentry_instrumentation_handlers__ = el.__sentry_instrumentation_handlers__ || {});\n const handlerForType = (handlers[type] = handlers[type] || { refCount: 0 });\n\n if (!handlerForType.handler) {\n const handler = makeDOMEventHandler(triggerDOMHandler);\n handlerForType.handler = handler;\n originalAddEventListener.call(this, type, handler, options);\n }\n\n handlerForType.refCount++;\n } catch (e) {\n // Accessing dom properties is always fragile.\n // Also allows us to skip `addEventListenrs` calls with no proper `this` context.\n }\n }\n\n return originalAddEventListener.call(this, type, listener, options);\n };\n });\n\n fill(\n proto,\n 'removeEventListener',\n function (originalRemoveEventListener: RemoveEventListener): RemoveEventListener {\n return function (\n this: Element,\n type: string,\n listener: EventListenerOrEventListenerObject,\n options?: boolean | EventListenerOptions,\n ): () => void {\n if (type === 'click' || type == 'keypress') {\n try {\n const el = this as InstrumentedElement;\n const handlers = el.__sentry_instrumentation_handlers__ || {};\n const handlerForType = handlers[type];\n\n if (handlerForType) {\n handlerForType.refCount--;\n // If there are no longer any custom handlers of the current type on this element, we can remove ours, too.\n if (handlerForType.refCount <= 0) {\n originalRemoveEventListener.call(this, type, handlerForType.handler, options);\n handlerForType.handler = undefined;\n delete handlers[type]; // eslint-disable-line @typescript-eslint/no-dynamic-delete\n }\n\n // If there are no longer any custom handlers of any type on this element, cleanup everything.\n if (Object.keys(handlers).length === 0) {\n delete el.__sentry_instrumentation_handlers__;\n }\n }\n } catch (e) {\n // Accessing dom properties is always fragile.\n // Also allows us to skip `addEventListenrs` calls with no proper `this` context.\n }\n }\n\n return originalRemoveEventListener.call(this, type, listener, options);\n };\n },\n );\n });\n}\n\n/**\n * Check whether the event is similar to the last captured one. For example, two click events on the same button.\n */\nfunction isSimilarToLastCapturedEvent(event: Event): boolean {\n // If both events have different type, then user definitely performed two separate actions. e.g. click + keypress.\n if (event.type !== lastCapturedEventType) {\n return false;\n }\n\n try {\n // If both events have the same type, it's still possible that actions were performed on different targets.\n // e.g. 2 clicks on different buttons.\n if (!event.target || (event.target as SentryWrappedTarget)._sentryId !== lastCapturedEventTargetId) {\n return false;\n }\n } catch (e) {\n // just accessing `target` property can throw an exception in some rare circumstances\n // see: https://github.com/getsentry/sentry-javascript/issues/838\n }\n\n // If both events have the same type _and_ same `target` (an element which triggered an event, _not necessarily_\n // to which an event listener was attached), we treat them as the same action, as we want to capture\n // only one breadcrumb. e.g. multiple clicks on the same button, or typing inside a user input box.\n return true;\n}\n\n/**\n * Decide whether an event should be captured.\n * @param event event to be captured\n */\nfunction shouldSkipDOMEvent(eventType: string, target: SentryWrappedTarget | null): boolean {\n // We are only interested in filtering `keypress` events for now.\n if (eventType !== 'keypress') {\n return false;\n }\n\n if (!target || !target.tagName) {\n return true;\n }\n\n // Only consider keypress events on actual input elements. This will disregard keypresses targeting body\n // e.g.tabbing through elements, hotkeys, etc.\n if (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA' || target.isContentEditable) {\n return false;\n }\n\n return true;\n}\n\n/**\n * Wraps addEventListener to capture UI breadcrumbs\n */\nfunction makeDOMEventHandler(\n handler: (data: HandlerDataDom) => void,\n globalListener: boolean = false,\n): (event: Event) => void {\n return (event: Event & { _sentryCaptured?: true }): void => {\n // It's possible this handler might trigger multiple times for the same\n // event (e.g. event propagation through node ancestors).\n // Ignore if we've already captured that event.\n if (!event || event['_sentryCaptured']) {\n return;\n }\n\n const target = getEventTarget(event);\n\n // We always want to skip _some_ events.\n if (shouldSkipDOMEvent(event.type, target)) {\n return;\n }\n\n // Mark event as \"seen\"\n addNonEnumerableProperty(event, '_sentryCaptured', true);\n\n if (target && !target._sentryId) {\n // Add UUID to event target so we can identify if\n addNonEnumerableProperty(target, '_sentryId', uuid4());\n }\n\n const name = event.type === 'keypress' ? 'input' : event.type;\n\n // If there is no last captured event, it means that we can safely capture the new event and store it for future comparisons.\n // If there is a last captured event, see if the new event is different enough to treat it as a unique one.\n // If that's the case, emit the previous event and store locally the newly-captured DOM event.\n if (!isSimilarToLastCapturedEvent(event)) {\n const handlerData: HandlerDataDom = { event, name, global: globalListener };\n handler(handlerData);\n lastCapturedEventType = event.type;\n lastCapturedEventTargetId = target ? target._sentryId : undefined;\n }\n\n // Start a new debounce timer that will prevent us from capturing multiple events that should be grouped together.\n clearTimeout(debounceTimerID);\n debounceTimerID = WINDOW.setTimeout(() => {\n lastCapturedEventTargetId = undefined;\n lastCapturedEventType = undefined;\n }, DEBOUNCE_DURATION);\n };\n}\n\nfunction getEventTarget(event: Event): SentryWrappedTarget | null {\n try {\n return event.target as SentryWrappedTarget | null;\n } catch (e) {\n // just accessing `target` property can throw an exception in some rare circumstances\n // see: https://github.com/getsentry/sentry-javascript/issues/838\n return null;\n }\n}\n","/* eslint-disable deprecation/deprecation */\nimport type { Severity, SeverityLevel } from '@sentry/types';\n\n// Note: Ideally the `SeverityLevel` type would be derived from `validSeverityLevels`, but that would mean either\n//\n// a) moving `validSeverityLevels` to `@sentry/types`,\n// b) moving the`SeverityLevel` type here, or\n// c) importing `validSeverityLevels` from here into `@sentry/types`.\n//\n// Option A would make `@sentry/types` a runtime dependency of `@sentry/utils` (not good), and options B and C would\n// create a circular dependency between `@sentry/types` and `@sentry/utils` (also not good). So a TODO accompanying the\n// type, reminding anyone who changes it to change this list also, will have to do.\n\nexport const validSeverityLevels = ['fatal', 'error', 'warning', 'log', 'info', 'debug'];\n\n/**\n * Converts a string-based level into a member of the deprecated {@link Severity} enum.\n *\n * @deprecated `severityFromString` is deprecated. Please use `severityLevelFromString` instead.\n *\n * @param level String representation of Severity\n * @returns Severity\n */\nexport function severityFromString(level: Severity | SeverityLevel | string): Severity {\n return severityLevelFromString(level) as Severity;\n}\n\n/**\n * Converts a string-based level into a `SeverityLevel`, normalizing it along the way.\n *\n * @param level String representation of desired `SeverityLevel`.\n * @returns The `SeverityLevel` corresponding to the given string, or 'log' if the string isn't a valid level.\n */\nexport function severityLevelFromString(level: SeverityLevel | string): SeverityLevel {\n return (level === 'warn' ? 'warning' : validSeverityLevels.includes(level) ? level : 'log') as SeverityLevel;\n}\n","/* eslint-disable max-lines */\nimport { addBreadcrumb, convertIntegrationFnToClass, defineIntegration, getClient } from '@sentry/core';\nimport type {\n Client,\n Event as SentryEvent,\n HandlerDataConsole,\n HandlerDataDom,\n HandlerDataFetch,\n HandlerDataHistory,\n HandlerDataXhr,\n Integration,\n IntegrationClass,\n IntegrationFn,\n} from '@sentry/types';\nimport type {\n Breadcrumb,\n FetchBreadcrumbData,\n FetchBreadcrumbHint,\n XhrBreadcrumbData,\n XhrBreadcrumbHint,\n} from '@sentry/types/build/types/breadcrumb';\nimport {\n SENTRY_XHR_DATA_KEY,\n addClickKeypressInstrumentationHandler,\n addConsoleInstrumentationHandler,\n addFetchInstrumentationHandler,\n addHistoryInstrumentationHandler,\n addXhrInstrumentationHandler,\n getComponentName,\n getEventDescription,\n htmlTreeAsString,\n logger,\n parseUrl,\n safeJoin,\n severityLevelFromString,\n} from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { WINDOW } from '../helpers';\n\ninterface BreadcrumbsOptions {\n console: boolean;\n dom:\n | boolean\n | {\n serializeAttribute?: string | string[];\n maxStringLength?: number;\n };\n fetch: boolean;\n history: boolean;\n sentry: boolean;\n xhr: boolean;\n}\n\n/** maxStringLength gets capped to prevent 100 breadcrumbs exceeding 1MB event payload size */\nconst MAX_ALLOWED_STRING_LENGTH = 1024;\n\nconst INTEGRATION_NAME = 'Breadcrumbs';\n\nconst _breadcrumbsIntegration = ((options: Partial = {}) => {\n const _options = {\n console: true,\n dom: true,\n fetch: true,\n history: true,\n sentry: true,\n xhr: true,\n ...options,\n };\n\n return {\n name: INTEGRATION_NAME,\n // TODO v8: Remove this\n setupOnce() {}, // eslint-disable-line @typescript-eslint/no-empty-function\n setup(client) {\n if (_options.console) {\n addConsoleInstrumentationHandler(_getConsoleBreadcrumbHandler(client));\n }\n if (_options.dom) {\n addClickKeypressInstrumentationHandler(_getDomBreadcrumbHandler(client, _options.dom));\n }\n if (_options.xhr) {\n addXhrInstrumentationHandler(_getXhrBreadcrumbHandler(client));\n }\n if (_options.fetch) {\n addFetchInstrumentationHandler(_getFetchBreadcrumbHandler(client));\n }\n if (_options.history) {\n addHistoryInstrumentationHandler(_getHistoryBreadcrumbHandler(client));\n }\n if (_options.sentry && client.on) {\n client.on('beforeSendEvent', _getSentryBreadcrumbHandler(client));\n }\n },\n };\n}) satisfies IntegrationFn;\n\nexport const breadcrumbsIntegration = defineIntegration(_breadcrumbsIntegration);\n\n/**\n * Default Breadcrumbs instrumentations\n *\n * @deprecated Use `breadcrumbsIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const Breadcrumbs = convertIntegrationFnToClass(INTEGRATION_NAME, breadcrumbsIntegration) as IntegrationClass<\n Integration & { setup: (client: Client) => void }\n> & {\n new (\n options?: Partial<{\n console: boolean;\n dom:\n | boolean\n | {\n serializeAttribute?: string | string[];\n maxStringLength?: number;\n };\n fetch: boolean;\n history: boolean;\n sentry: boolean;\n xhr: boolean;\n }>,\n ): Integration;\n};\n\n/**\n * Adds a breadcrumb for Sentry events or transactions if this option is enabled.\n */\nfunction _getSentryBreadcrumbHandler(client: Client): (event: SentryEvent) => void {\n return function addSentryBreadcrumb(event: SentryEvent): void {\n if (getClient() !== client) {\n return;\n }\n\n addBreadcrumb(\n {\n category: `sentry.${event.type === 'transaction' ? 'transaction' : 'event'}`,\n event_id: event.event_id,\n level: event.level,\n message: getEventDescription(event),\n },\n {\n event,\n },\n );\n };\n}\n\n/**\n * A HOC that creaes a function that creates breadcrumbs from DOM API calls.\n * This is a HOC so that we get access to dom options in the closure.\n */\nfunction _getDomBreadcrumbHandler(\n client: Client,\n dom: BreadcrumbsOptions['dom'],\n): (handlerData: HandlerDataDom) => void {\n return function _innerDomBreadcrumb(handlerData: HandlerDataDom): void {\n if (getClient() !== client) {\n return;\n }\n\n let target;\n let componentName;\n let keyAttrs = typeof dom === 'object' ? dom.serializeAttribute : undefined;\n\n let maxStringLength =\n typeof dom === 'object' && typeof dom.maxStringLength === 'number' ? dom.maxStringLength : undefined;\n if (maxStringLength && maxStringLength > MAX_ALLOWED_STRING_LENGTH) {\n DEBUG_BUILD &&\n logger.warn(\n `\\`dom.maxStringLength\\` cannot exceed ${MAX_ALLOWED_STRING_LENGTH}, but a value of ${maxStringLength} was configured. Sentry will use ${MAX_ALLOWED_STRING_LENGTH} instead.`,\n );\n maxStringLength = MAX_ALLOWED_STRING_LENGTH;\n }\n\n if (typeof keyAttrs === 'string') {\n keyAttrs = [keyAttrs];\n }\n\n // Accessing event.target can throw (see getsentry/raven-js#838, #768)\n try {\n const event = handlerData.event as Event | Node;\n const element = _isEvent(event) ? event.target : event;\n\n target = htmlTreeAsString(element, { keyAttrs, maxStringLength });\n componentName = getComponentName(element);\n } catch (e) {\n target = '';\n }\n\n if (target.length === 0) {\n return;\n }\n\n const breadcrumb: Breadcrumb = {\n category: `ui.${handlerData.name}`,\n message: target,\n };\n\n if (componentName) {\n breadcrumb.data = { 'ui.component_name': componentName };\n }\n\n addBreadcrumb(breadcrumb, {\n event: handlerData.event,\n name: handlerData.name,\n global: handlerData.global,\n });\n };\n}\n\n/**\n * Creates breadcrumbs from console API calls\n */\nfunction _getConsoleBreadcrumbHandler(client: Client): (handlerData: HandlerDataConsole) => void {\n return function _consoleBreadcrumb(handlerData: HandlerDataConsole): void {\n if (getClient() !== client) {\n return;\n }\n\n const breadcrumb = {\n category: 'console',\n data: {\n arguments: handlerData.args,\n logger: 'console',\n },\n level: severityLevelFromString(handlerData.level),\n message: safeJoin(handlerData.args, ' '),\n };\n\n if (handlerData.level === 'assert') {\n if (handlerData.args[0] === false) {\n breadcrumb.message = `Assertion failed: ${safeJoin(handlerData.args.slice(1), ' ') || 'console.assert'}`;\n breadcrumb.data.arguments = handlerData.args.slice(1);\n } else {\n // Don't capture a breadcrumb for passed assertions\n return;\n }\n }\n\n addBreadcrumb(breadcrumb, {\n input: handlerData.args,\n level: handlerData.level,\n });\n };\n}\n\n/**\n * Creates breadcrumbs from XHR API calls\n */\nfunction _getXhrBreadcrumbHandler(client: Client): (handlerData: HandlerDataXhr) => void {\n return function _xhrBreadcrumb(handlerData: HandlerDataXhr): void {\n if (getClient() !== client) {\n return;\n }\n\n const { startTimestamp, endTimestamp } = handlerData;\n\n const sentryXhrData = handlerData.xhr[SENTRY_XHR_DATA_KEY];\n\n // We only capture complete, non-sentry requests\n if (!startTimestamp || !endTimestamp || !sentryXhrData) {\n return;\n }\n\n const { method, url, status_code, body } = sentryXhrData;\n\n const data: XhrBreadcrumbData = {\n method,\n url,\n status_code,\n };\n\n const hint: XhrBreadcrumbHint = {\n xhr: handlerData.xhr,\n input: body,\n startTimestamp,\n endTimestamp,\n };\n\n addBreadcrumb(\n {\n category: 'xhr',\n data,\n type: 'http',\n },\n hint,\n );\n };\n}\n\n/**\n * Creates breadcrumbs from fetch API calls\n */\nfunction _getFetchBreadcrumbHandler(client: Client): (handlerData: HandlerDataFetch) => void {\n return function _fetchBreadcrumb(handlerData: HandlerDataFetch): void {\n if (getClient() !== client) {\n return;\n }\n\n const { startTimestamp, endTimestamp } = handlerData;\n\n // We only capture complete fetch requests\n if (!endTimestamp) {\n return;\n }\n\n if (handlerData.fetchData.url.match(/sentry_key/) && handlerData.fetchData.method === 'POST') {\n // We will not create breadcrumbs for fetch requests that contain `sentry_key` (internal sentry requests)\n return;\n }\n\n if (handlerData.error) {\n const data: FetchBreadcrumbData = handlerData.fetchData;\n const hint: FetchBreadcrumbHint = {\n data: handlerData.error,\n input: handlerData.args,\n startTimestamp,\n endTimestamp,\n };\n\n addBreadcrumb(\n {\n category: 'fetch',\n data,\n level: 'error',\n type: 'http',\n },\n hint,\n );\n } else {\n const response = handlerData.response as Response | undefined;\n const data: FetchBreadcrumbData = {\n ...handlerData.fetchData,\n status_code: response && response.status,\n };\n const hint: FetchBreadcrumbHint = {\n input: handlerData.args,\n response,\n startTimestamp,\n endTimestamp,\n };\n addBreadcrumb(\n {\n category: 'fetch',\n data,\n type: 'http',\n },\n hint,\n );\n }\n };\n}\n\n/**\n * Creates breadcrumbs from history API calls\n */\nfunction _getHistoryBreadcrumbHandler(client: Client): (handlerData: HandlerDataHistory) => void {\n return function _historyBreadcrumb(handlerData: HandlerDataHistory): void {\n if (getClient() !== client) {\n return;\n }\n\n let from: string | undefined = handlerData.from;\n let to: string | undefined = handlerData.to;\n const parsedLoc = parseUrl(WINDOW.location.href);\n let parsedFrom = from ? parseUrl(from) : undefined;\n const parsedTo = parseUrl(to);\n\n // Initial pushState doesn't provide `from` information\n if (!parsedFrom || !parsedFrom.path) {\n parsedFrom = parsedLoc;\n }\n\n // Use only the path component of the URL if the URL matches the current\n // document (almost all the time when using pushState)\n if (parsedLoc.protocol === parsedTo.protocol && parsedLoc.host === parsedTo.host) {\n to = parsedTo.relative;\n }\n if (parsedLoc.protocol === parsedFrom.protocol && parsedLoc.host === parsedFrom.host) {\n from = parsedFrom.relative;\n }\n\n addBreadcrumb({\n category: 'navigation',\n data: {\n from,\n to,\n },\n });\n };\n}\n\nfunction _isEvent(event: unknown): event is Event {\n return !!event && !!(event as Record).target;\n}\n","import { convertIntegrationFnToClass, defineIntegration } from '@sentry/core';\nimport type { Event, Exception, Integration, IntegrationClass, IntegrationFn, StackFrame } from '@sentry/types';\nimport { logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\n\nconst INTEGRATION_NAME = 'Dedupe';\n\nconst _dedupeIntegration = (() => {\n let previousEvent: Event | undefined;\n\n return {\n name: INTEGRATION_NAME,\n // TODO v8: Remove this\n setupOnce() {}, // eslint-disable-line @typescript-eslint/no-empty-function\n processEvent(currentEvent) {\n // We want to ignore any non-error type events, e.g. transactions or replays\n // These should never be deduped, and also not be compared against as _previousEvent.\n if (currentEvent.type) {\n return currentEvent;\n }\n\n // Juuust in case something goes wrong\n try {\n if (_shouldDropEvent(currentEvent, previousEvent)) {\n DEBUG_BUILD && logger.warn('Event dropped due to being a duplicate of previously captured event.');\n return null;\n }\n } catch (_oO) {} // eslint-disable-line no-empty\n\n return (previousEvent = currentEvent);\n },\n };\n}) satisfies IntegrationFn;\n\nexport const dedupeIntegration = defineIntegration(_dedupeIntegration);\n\n/**\n * Deduplication filter.\n * @deprecated Use `dedupeIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const Dedupe = convertIntegrationFnToClass(INTEGRATION_NAME, dedupeIntegration) as IntegrationClass<\n Integration & { processEvent: (event: Event) => Event }\n>;\n\nfunction _shouldDropEvent(currentEvent: Event, previousEvent?: Event): boolean {\n if (!previousEvent) {\n return false;\n }\n\n if (_isSameMessageEvent(currentEvent, previousEvent)) {\n return true;\n }\n\n if (_isSameExceptionEvent(currentEvent, previousEvent)) {\n return true;\n }\n\n return false;\n}\n\nfunction _isSameMessageEvent(currentEvent: Event, previousEvent: Event): boolean {\n const currentMessage = currentEvent.message;\n const previousMessage = previousEvent.message;\n\n // If neither event has a message property, they were both exceptions, so bail out\n if (!currentMessage && !previousMessage) {\n return false;\n }\n\n // If only one event has a stacktrace, but not the other one, they are not the same\n if ((currentMessage && !previousMessage) || (!currentMessage && previousMessage)) {\n return false;\n }\n\n if (currentMessage !== previousMessage) {\n return false;\n }\n\n if (!_isSameFingerprint(currentEvent, previousEvent)) {\n return false;\n }\n\n if (!_isSameStacktrace(currentEvent, previousEvent)) {\n return false;\n }\n\n return true;\n}\n\nfunction _isSameExceptionEvent(currentEvent: Event, previousEvent: Event): boolean {\n const previousException = _getExceptionFromEvent(previousEvent);\n const currentException = _getExceptionFromEvent(currentEvent);\n\n if (!previousException || !currentException) {\n return false;\n }\n\n if (previousException.type !== currentException.type || previousException.value !== currentException.value) {\n return false;\n }\n\n if (!_isSameFingerprint(currentEvent, previousEvent)) {\n return false;\n }\n\n if (!_isSameStacktrace(currentEvent, previousEvent)) {\n return false;\n }\n\n return true;\n}\n\nfunction _isSameStacktrace(currentEvent: Event, previousEvent: Event): boolean {\n let currentFrames = _getFramesFromEvent(currentEvent);\n let previousFrames = _getFramesFromEvent(previousEvent);\n\n // If neither event has a stacktrace, they are assumed to be the same\n if (!currentFrames && !previousFrames) {\n return true;\n }\n\n // If only one event has a stacktrace, but not the other one, they are not the same\n if ((currentFrames && !previousFrames) || (!currentFrames && previousFrames)) {\n return false;\n }\n\n currentFrames = currentFrames as StackFrame[];\n previousFrames = previousFrames as StackFrame[];\n\n // If number of frames differ, they are not the same\n if (previousFrames.length !== currentFrames.length) {\n return false;\n }\n\n // Otherwise, compare the two\n for (let i = 0; i < previousFrames.length; i++) {\n const frameA = previousFrames[i];\n const frameB = currentFrames[i];\n\n if (\n frameA.filename !== frameB.filename ||\n frameA.lineno !== frameB.lineno ||\n frameA.colno !== frameB.colno ||\n frameA.function !== frameB.function\n ) {\n return false;\n }\n }\n\n return true;\n}\n\nfunction _isSameFingerprint(currentEvent: Event, previousEvent: Event): boolean {\n let currentFingerprint = currentEvent.fingerprint;\n let previousFingerprint = previousEvent.fingerprint;\n\n // If neither event has a fingerprint, they are assumed to be the same\n if (!currentFingerprint && !previousFingerprint) {\n return true;\n }\n\n // If only one event has a fingerprint, but not the other one, they are not the same\n if ((currentFingerprint && !previousFingerprint) || (!currentFingerprint && previousFingerprint)) {\n return false;\n }\n\n currentFingerprint = currentFingerprint as string[];\n previousFingerprint = previousFingerprint as string[];\n\n // Otherwise, compare the two\n try {\n return !!(currentFingerprint.join('') === previousFingerprint.join(''));\n } catch (_oO) {\n return false;\n }\n}\n\nfunction _getExceptionFromEvent(event: Event): Exception | undefined {\n return event.exception && event.exception.values && event.exception.values[0];\n}\n\nfunction _getFramesFromEvent(event: Event): StackFrame[] | undefined {\n const exception = event.exception;\n\n if (exception) {\n try {\n // @ts-expect-error Object could be undefined\n return exception.values[0].stacktrace.frames;\n } catch (_oO) {\n return undefined;\n }\n }\n return undefined;\n}\n","/* eslint-disable @typescript-eslint/no-unsafe-member-access */\nimport { captureEvent, convertIntegrationFnToClass, defineIntegration, getClient } from '@sentry/core';\nimport type {\n Client,\n Event,\n Integration,\n IntegrationClass,\n IntegrationFn,\n Primitive,\n StackParser,\n} from '@sentry/types';\nimport {\n addGlobalErrorInstrumentationHandler,\n addGlobalUnhandledRejectionInstrumentationHandler,\n getLocationHref,\n isErrorEvent,\n isPrimitive,\n isString,\n logger,\n} from '@sentry/utils';\n\nimport type { BrowserClient } from '../client';\nimport { DEBUG_BUILD } from '../debug-build';\nimport { eventFromUnknownInput } from '../eventbuilder';\nimport { shouldIgnoreOnError } from '../helpers';\n\ntype GlobalHandlersIntegrationsOptionKeys = 'onerror' | 'onunhandledrejection';\n\ntype GlobalHandlersIntegrations = Record;\n\nconst INTEGRATION_NAME = 'GlobalHandlers';\n\nconst _globalHandlersIntegration = ((options: Partial = {}) => {\n const _options = {\n onerror: true,\n onunhandledrejection: true,\n ...options,\n };\n\n return {\n name: INTEGRATION_NAME,\n setupOnce() {\n Error.stackTraceLimit = 50;\n },\n setup(client) {\n if (_options.onerror) {\n _installGlobalOnErrorHandler(client);\n globalHandlerLog('onerror');\n }\n if (_options.onunhandledrejection) {\n _installGlobalOnUnhandledRejectionHandler(client);\n globalHandlerLog('onunhandledrejection');\n }\n },\n };\n}) satisfies IntegrationFn;\n\nexport const globalHandlersIntegration = defineIntegration(_globalHandlersIntegration);\n\n/**\n * Global handlers.\n * @deprecated Use `globalHandlersIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const GlobalHandlers = convertIntegrationFnToClass(\n INTEGRATION_NAME,\n globalHandlersIntegration,\n) as IntegrationClass void }> & {\n new (options?: Partial): Integration;\n};\n\nfunction _installGlobalOnErrorHandler(client: Client): void {\n addGlobalErrorInstrumentationHandler(data => {\n const { stackParser, attachStacktrace } = getOptions();\n\n if (getClient() !== client || shouldIgnoreOnError()) {\n return;\n }\n\n const { msg, url, line, column, error } = data;\n\n const event =\n error === undefined && isString(msg)\n ? _eventFromIncompleteOnError(msg, url, line, column)\n : _enhanceEventWithInitialFrame(\n eventFromUnknownInput(stackParser, error || msg, undefined, attachStacktrace, false),\n url,\n line,\n column,\n );\n\n event.level = 'error';\n\n captureEvent(event, {\n originalException: error,\n mechanism: {\n handled: false,\n type: 'onerror',\n },\n });\n });\n}\n\nfunction _installGlobalOnUnhandledRejectionHandler(client: Client): void {\n addGlobalUnhandledRejectionInstrumentationHandler(e => {\n const { stackParser, attachStacktrace } = getOptions();\n\n if (getClient() !== client || shouldIgnoreOnError()) {\n return;\n }\n\n const error = _getUnhandledRejectionError(e as unknown);\n\n const event = isPrimitive(error)\n ? _eventFromRejectionWithPrimitive(error)\n : eventFromUnknownInput(stackParser, error, undefined, attachStacktrace, true);\n\n event.level = 'error';\n\n captureEvent(event, {\n originalException: error,\n mechanism: {\n handled: false,\n type: 'onunhandledrejection',\n },\n });\n });\n}\n\nfunction _getUnhandledRejectionError(error: unknown): unknown {\n if (isPrimitive(error)) {\n return error;\n }\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const e = error as any;\n\n // dig the object of the rejection out of known event types\n try {\n // PromiseRejectionEvents store the object of the rejection under 'reason'\n // see https://developer.mozilla.org/en-US/docs/Web/API/PromiseRejectionEvent\n if ('reason' in e) {\n return e.reason;\n }\n\n // something, somewhere, (likely a browser extension) effectively casts PromiseRejectionEvents\n // to CustomEvents, moving the `promise` and `reason` attributes of the PRE into\n // the CustomEvent's `detail` attribute, since they're not part of CustomEvent's spec\n // see https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent and\n // https://github.com/getsentry/sentry-javascript/issues/2380\n else if ('detail' in e && 'reason' in e.detail) {\n return e.detail.reason;\n }\n } catch {} // eslint-disable-line no-empty\n\n return error;\n}\n\n/**\n * Create an event from a promise rejection where the `reason` is a primitive.\n *\n * @param reason: The `reason` property of the promise rejection\n * @returns An Event object with an appropriate `exception` value\n */\nfunction _eventFromRejectionWithPrimitive(reason: Primitive): Event {\n return {\n exception: {\n values: [\n {\n type: 'UnhandledRejection',\n // String() is needed because the Primitive type includes symbols (which can't be automatically stringified)\n value: `Non-Error promise rejection captured with value: ${String(reason)}`,\n },\n ],\n },\n };\n}\n\n/**\n * This function creates a stack from an old, error-less onerror handler.\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction _eventFromIncompleteOnError(msg: any, url: any, line: any, column: any): Event {\n const ERROR_TYPES_RE =\n /^(?:[Uu]ncaught (?:exception: )?)?(?:((?:Eval|Internal|Range|Reference|Syntax|Type|URI|)Error): )?(.*)$/i;\n\n // If 'message' is ErrorEvent, get real message from inside\n let message = isErrorEvent(msg) ? msg.message : msg;\n let name = 'Error';\n\n const groups = message.match(ERROR_TYPES_RE);\n if (groups) {\n name = groups[1];\n message = groups[2];\n }\n\n const event = {\n exception: {\n values: [\n {\n type: name,\n value: message,\n },\n ],\n },\n };\n\n return _enhanceEventWithInitialFrame(event, url, line, column);\n}\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction _enhanceEventWithInitialFrame(event: Event, url: any, line: any, column: any): Event {\n // event.exception\n const e = (event.exception = event.exception || {});\n // event.exception.values\n const ev = (e.values = e.values || []);\n // event.exception.values[0]\n const ev0 = (ev[0] = ev[0] || {});\n // event.exception.values[0].stacktrace\n const ev0s = (ev0.stacktrace = ev0.stacktrace || {});\n // event.exception.values[0].stacktrace.frames\n const ev0sf = (ev0s.frames = ev0s.frames || []);\n\n const colno = isNaN(parseInt(column, 10)) ? undefined : column;\n const lineno = isNaN(parseInt(line, 10)) ? undefined : line;\n const filename = isString(url) && url.length > 0 ? url : getLocationHref();\n\n // event.exception.values[0].stacktrace.frames\n if (ev0sf.length === 0) {\n ev0sf.push({\n colno,\n filename,\n function: '?',\n in_app: true,\n lineno,\n });\n }\n\n return event;\n}\n\nfunction globalHandlerLog(type: string): void {\n DEBUG_BUILD && logger.log(`Global Handler attached: ${type}`);\n}\n\nfunction getOptions(): { stackParser: StackParser; attachStacktrace?: boolean } {\n const client = getClient();\n const options = (client && client.getOptions()) || {\n stackParser: () => [],\n attachStacktrace: false,\n };\n return options;\n}\n","import { convertIntegrationFnToClass, defineIntegration } from '@sentry/core';\nimport type { Event, Integration, IntegrationClass, IntegrationFn } from '@sentry/types';\n\nimport { WINDOW } from '../helpers';\n\nconst INTEGRATION_NAME = 'HttpContext';\n\nconst _httpContextIntegration = (() => {\n return {\n name: INTEGRATION_NAME,\n // TODO v8: Remove this\n setupOnce() {}, // eslint-disable-line @typescript-eslint/no-empty-function\n preprocessEvent(event) {\n // if none of the information we want exists, don't bother\n if (!WINDOW.navigator && !WINDOW.location && !WINDOW.document) {\n return;\n }\n\n // grab as much info as exists and add it to the event\n const url = (event.request && event.request.url) || (WINDOW.location && WINDOW.location.href);\n const { referrer } = WINDOW.document || {};\n const { userAgent } = WINDOW.navigator || {};\n\n const headers = {\n ...(event.request && event.request.headers),\n ...(referrer && { Referer: referrer }),\n ...(userAgent && { 'User-Agent': userAgent }),\n };\n const request = { ...event.request, ...(url && { url }), headers };\n\n event.request = request;\n },\n };\n}) satisfies IntegrationFn;\n\nexport const httpContextIntegration = defineIntegration(_httpContextIntegration);\n\n/**\n * HttpContext integration collects information about HTTP request headers.\n * @deprecated Use `httpContextIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const HttpContext = convertIntegrationFnToClass(INTEGRATION_NAME, httpContextIntegration) as IntegrationClass<\n Integration & { preprocessEvent: (event: Event) => void }\n>;\n","import type { Event, EventHint, Exception, ExtendedError, StackParser } from '@sentry/types';\n\nimport { isInstanceOf } from './is';\nimport { truncate } from './string';\n\n/**\n * Creates exceptions inside `event.exception.values` for errors that are nested on properties based on the `key` parameter.\n */\nexport function applyAggregateErrorsToEvent(\n exceptionFromErrorImplementation: (stackParser: StackParser, ex: Error) => Exception,\n parser: StackParser,\n maxValueLimit: number = 250,\n key: string,\n limit: number,\n event: Event,\n hint?: EventHint,\n): void {\n if (!event.exception || !event.exception.values || !hint || !isInstanceOf(hint.originalException, Error)) {\n return;\n }\n\n // Generally speaking the last item in `event.exception.values` is the exception originating from the original Error\n const originalException: Exception | undefined =\n event.exception.values.length > 0 ? event.exception.values[event.exception.values.length - 1] : undefined;\n\n // We only create exception grouping if there is an exception in the event.\n if (originalException) {\n event.exception.values = truncateAggregateExceptions(\n aggregateExceptionsFromError(\n exceptionFromErrorImplementation,\n parser,\n limit,\n hint.originalException as ExtendedError,\n key,\n event.exception.values,\n originalException,\n 0,\n ),\n maxValueLimit,\n );\n }\n}\n\nfunction aggregateExceptionsFromError(\n exceptionFromErrorImplementation: (stackParser: StackParser, ex: Error) => Exception,\n parser: StackParser,\n limit: number,\n error: ExtendedError,\n key: string,\n prevExceptions: Exception[],\n exception: Exception,\n exceptionId: number,\n): Exception[] {\n if (prevExceptions.length >= limit + 1) {\n return prevExceptions;\n }\n\n let newExceptions = [...prevExceptions];\n\n // Recursively call this function in order to walk down a chain of errors\n if (isInstanceOf(error[key], Error)) {\n applyExceptionGroupFieldsForParentException(exception, exceptionId);\n const newException = exceptionFromErrorImplementation(parser, error[key]);\n const newExceptionId = newExceptions.length;\n applyExceptionGroupFieldsForChildException(newException, key, newExceptionId, exceptionId);\n newExceptions = aggregateExceptionsFromError(\n exceptionFromErrorImplementation,\n parser,\n limit,\n error[key],\n key,\n [newException, ...newExceptions],\n newException,\n newExceptionId,\n );\n }\n\n // This will create exception grouping for AggregateErrors\n // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError\n if (Array.isArray(error.errors)) {\n error.errors.forEach((childError, i) => {\n if (isInstanceOf(childError, Error)) {\n applyExceptionGroupFieldsForParentException(exception, exceptionId);\n const newException = exceptionFromErrorImplementation(parser, childError);\n const newExceptionId = newExceptions.length;\n applyExceptionGroupFieldsForChildException(newException, `errors[${i}]`, newExceptionId, exceptionId);\n newExceptions = aggregateExceptionsFromError(\n exceptionFromErrorImplementation,\n parser,\n limit,\n childError,\n key,\n [newException, ...newExceptions],\n newException,\n newExceptionId,\n );\n }\n });\n }\n\n return newExceptions;\n}\n\nfunction applyExceptionGroupFieldsForParentException(exception: Exception, exceptionId: number): void {\n // Don't know if this default makes sense. The protocol requires us to set these values so we pick *some* default.\n exception.mechanism = exception.mechanism || { type: 'generic', handled: true };\n\n exception.mechanism = {\n ...exception.mechanism,\n ...(exception.type === 'AggregateError' && { is_exception_group: true }),\n exception_id: exceptionId,\n };\n}\n\nfunction applyExceptionGroupFieldsForChildException(\n exception: Exception,\n source: string,\n exceptionId: number,\n parentId: number | undefined,\n): void {\n // Don't know if this default makes sense. The protocol requires us to set these values so we pick *some* default.\n exception.mechanism = exception.mechanism || { type: 'generic', handled: true };\n\n exception.mechanism = {\n ...exception.mechanism,\n type: 'chained',\n source,\n exception_id: exceptionId,\n parent_id: parentId,\n };\n}\n\n/**\n * Truncate the message (exception.value) of all exceptions in the event.\n * Because this event processor is ran after `applyClientOptions`,\n * we need to truncate the message of the added exceptions here.\n */\nfunction truncateAggregateExceptions(exceptions: Exception[], maxValueLength: number): Exception[] {\n return exceptions.map(exception => {\n if (exception.value) {\n exception.value = truncate(exception.value, maxValueLength);\n }\n return exception;\n });\n}\n","import { convertIntegrationFnToClass, defineIntegration } from '@sentry/core';\nimport type { Client, Event, EventHint, Integration, IntegrationClass, IntegrationFn } from '@sentry/types';\nimport { applyAggregateErrorsToEvent } from '@sentry/utils';\nimport { exceptionFromError } from '../eventbuilder';\n\ninterface LinkedErrorsOptions {\n key?: string;\n limit?: number;\n}\n\nconst DEFAULT_KEY = 'cause';\nconst DEFAULT_LIMIT = 5;\n\nconst INTEGRATION_NAME = 'LinkedErrors';\n\nconst _linkedErrorsIntegration = ((options: LinkedErrorsOptions = {}) => {\n const limit = options.limit || DEFAULT_LIMIT;\n const key = options.key || DEFAULT_KEY;\n\n return {\n name: INTEGRATION_NAME,\n // TODO v8: Remove this\n setupOnce() {}, // eslint-disable-line @typescript-eslint/no-empty-function\n preprocessEvent(event, hint, client) {\n const options = client.getOptions();\n\n applyAggregateErrorsToEvent(\n // This differs from the LinkedErrors integration in core by using a different exceptionFromError function\n exceptionFromError,\n options.stackParser,\n options.maxValueLength,\n key,\n limit,\n event,\n hint,\n );\n },\n };\n}) satisfies IntegrationFn;\n\nexport const linkedErrorsIntegration = defineIntegration(_linkedErrorsIntegration);\n\n/**\n * Aggregrate linked errors in an event.\n * @deprecated Use `linkedErrorsIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const LinkedErrors = convertIntegrationFnToClass(INTEGRATION_NAME, linkedErrorsIntegration) as IntegrationClass<\n Integration & { preprocessEvent: (event: Event, hint: EventHint, client: Client) => void }\n> & { new (options?: { key?: string; limit?: number }): Integration };\n","import { convertIntegrationFnToClass, defineIntegration } from '@sentry/core';\nimport type { Integration, IntegrationClass, IntegrationFn, WrappedFunction } from '@sentry/types';\nimport { fill, getFunctionName, getOriginalFunction } from '@sentry/utils';\n\nimport { WINDOW, wrap } from '../helpers';\n\nconst DEFAULT_EVENT_TARGET = [\n 'EventTarget',\n 'Window',\n 'Node',\n 'ApplicationCache',\n 'AudioTrackList',\n 'BroadcastChannel',\n 'ChannelMergerNode',\n 'CryptoOperation',\n 'EventSource',\n 'FileReader',\n 'HTMLUnknownElement',\n 'IDBDatabase',\n 'IDBRequest',\n 'IDBTransaction',\n 'KeyOperation',\n 'MediaController',\n 'MessagePort',\n 'ModalWindow',\n 'Notification',\n 'SVGElementInstance',\n 'Screen',\n 'SharedWorker',\n 'TextTrack',\n 'TextTrackCue',\n 'TextTrackList',\n 'WebSocket',\n 'WebSocketWorker',\n 'Worker',\n 'XMLHttpRequest',\n 'XMLHttpRequestEventTarget',\n 'XMLHttpRequestUpload',\n];\n\nconst INTEGRATION_NAME = 'TryCatch';\n\ntype XMLHttpRequestProp = 'onload' | 'onerror' | 'onprogress' | 'onreadystatechange';\n\ninterface TryCatchOptions {\n setTimeout: boolean;\n setInterval: boolean;\n requestAnimationFrame: boolean;\n XMLHttpRequest: boolean;\n eventTarget: boolean | string[];\n}\n\nconst _browserApiErrorsIntegration = ((options: Partial = {}) => {\n const _options = {\n XMLHttpRequest: true,\n eventTarget: true,\n requestAnimationFrame: true,\n setInterval: true,\n setTimeout: true,\n ...options,\n };\n\n return {\n name: INTEGRATION_NAME,\n // TODO: This currently only works for the first client this is setup\n // We may want to adjust this to check for client etc.\n setupOnce() {\n if (_options.setTimeout) {\n fill(WINDOW, 'setTimeout', _wrapTimeFunction);\n }\n\n if (_options.setInterval) {\n fill(WINDOW, 'setInterval', _wrapTimeFunction);\n }\n\n if (_options.requestAnimationFrame) {\n fill(WINDOW, 'requestAnimationFrame', _wrapRAF);\n }\n\n if (_options.XMLHttpRequest && 'XMLHttpRequest' in WINDOW) {\n fill(XMLHttpRequest.prototype, 'send', _wrapXHR);\n }\n\n const eventTargetOption = _options.eventTarget;\n if (eventTargetOption) {\n const eventTarget = Array.isArray(eventTargetOption) ? eventTargetOption : DEFAULT_EVENT_TARGET;\n eventTarget.forEach(_wrapEventTarget);\n }\n },\n };\n}) satisfies IntegrationFn;\n\nexport const browserApiErrorsIntegration = defineIntegration(_browserApiErrorsIntegration);\n\n/**\n * Wrap timer functions and event targets to catch errors and provide better meta data.\n * @deprecated Use `browserApiErrorsIntegration()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport const TryCatch = convertIntegrationFnToClass(\n INTEGRATION_NAME,\n browserApiErrorsIntegration,\n) as IntegrationClass & {\n new (options?: {\n setTimeout: boolean;\n setInterval: boolean;\n requestAnimationFrame: boolean;\n XMLHttpRequest: boolean;\n eventTarget: boolean | string[];\n }): Integration;\n};\n\nfunction _wrapTimeFunction(original: () => void): () => number {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n return function (this: any, ...args: any[]): number {\n const originalCallback = args[0];\n args[0] = wrap(originalCallback, {\n mechanism: {\n data: { function: getFunctionName(original) },\n handled: false,\n type: 'instrument',\n },\n });\n return original.apply(this, args);\n };\n}\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction _wrapRAF(original: any): (callback: () => void) => any {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n return function (this: any, callback: () => void): () => void {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n return original.apply(this, [\n wrap(callback, {\n mechanism: {\n data: {\n function: 'requestAnimationFrame',\n handler: getFunctionName(original),\n },\n handled: false,\n type: 'instrument',\n },\n }),\n ]);\n };\n}\n\nfunction _wrapXHR(originalSend: () => void): () => void {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n return function (this: XMLHttpRequest, ...args: any[]): void {\n // eslint-disable-next-line @typescript-eslint/no-this-alias\n const xhr = this;\n const xmlHttpRequestProps: XMLHttpRequestProp[] = ['onload', 'onerror', 'onprogress', 'onreadystatechange'];\n\n xmlHttpRequestProps.forEach(prop => {\n if (prop in xhr && typeof xhr[prop] === 'function') {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n fill(xhr, prop, function (original: WrappedFunction): () => any {\n const wrapOptions = {\n mechanism: {\n data: {\n function: prop,\n handler: getFunctionName(original),\n },\n handled: false,\n type: 'instrument',\n },\n };\n\n // If Instrument integration has been called before TryCatch, get the name of original function\n const originalFunction = getOriginalFunction(original);\n if (originalFunction) {\n wrapOptions.mechanism.data.handler = getFunctionName(originalFunction);\n }\n\n // Otherwise wrap directly\n return wrap(original, wrapOptions);\n });\n }\n });\n\n return originalSend.apply(this, args);\n };\n}\n\nfunction _wrapEventTarget(target: string): void {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const globalObject = WINDOW as { [key: string]: any };\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n const proto = globalObject[target] && globalObject[target].prototype;\n\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, no-prototype-builtins\n if (!proto || !proto.hasOwnProperty || !proto.hasOwnProperty('addEventListener')) {\n return;\n }\n\n fill(proto, 'addEventListener', function (original: VoidFunction,): (\n eventName: string,\n fn: EventListenerObject,\n options?: boolean | AddEventListenerOptions,\n ) => void {\n return function (\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n this: any,\n eventName: string,\n fn: EventListenerObject,\n options?: boolean | AddEventListenerOptions,\n ): (eventName: string, fn: EventListenerObject, capture?: boolean, secure?: boolean) => void {\n try {\n if (typeof fn.handleEvent === 'function') {\n // ESlint disable explanation:\n // First, it is generally safe to call `wrap` with an unbound function. Furthermore, using `.bind()` would\n // introduce a bug here, because bind returns a new function that doesn't have our\n // flags(like __sentry_original__) attached. `wrap` checks for those flags to avoid unnecessary wrapping.\n // Without those flags, every call to addEventListener wraps the function again, causing a memory leak.\n // eslint-disable-next-line @typescript-eslint/unbound-method\n fn.handleEvent = wrap(fn.handleEvent, {\n mechanism: {\n data: {\n function: 'handleEvent',\n handler: getFunctionName(fn),\n target,\n },\n handled: false,\n type: 'instrument',\n },\n });\n }\n } catch (err) {\n // can sometimes get 'Permission denied to access property \"handle Event'\n }\n\n return original.apply(this, [\n eventName,\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n wrap(fn as any as WrappedFunction, {\n mechanism: {\n data: {\n function: 'addEventListener',\n handler: getFunctionName(fn),\n target,\n },\n handled: false,\n type: 'instrument',\n },\n }),\n options,\n ]);\n };\n });\n\n fill(\n proto,\n 'removeEventListener',\n function (\n originalRemoveEventListener: () => void,\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n ): (this: any, eventName: string, fn: EventListenerObject, options?: boolean | EventListenerOptions) => () => void {\n return function (\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n this: any,\n eventName: string,\n fn: EventListenerObject,\n options?: boolean | EventListenerOptions,\n ): () => void {\n /**\n * There are 2 possible scenarios here:\n *\n * 1. Someone passes a callback, which was attached prior to Sentry initialization, or by using unmodified\n * method, eg. `document.addEventListener.call(el, name, handler). In this case, we treat this function\n * as a pass-through, and call original `removeEventListener` with it.\n *\n * 2. Someone passes a callback, which was attached after Sentry was initialized, which means that it was using\n * our wrapped version of `addEventListener`, which internally calls `wrap` helper.\n * This helper \"wraps\" whole callback inside a try/catch statement, and attached appropriate metadata to it,\n * in order for us to make a distinction between wrapped/non-wrapped functions possible.\n * If a function was wrapped, it has additional property of `__sentry_wrapped__`, holding the handler.\n *\n * When someone adds a handler prior to initialization, and then do it again, but after,\n * then we have to detach both of them. Otherwise, if we'd detach only wrapped one, it'd be impossible\n * to get rid of the initial handler and it'd stick there forever.\n */\n const wrappedEventHandler = fn as unknown as WrappedFunction;\n try {\n const originalEventHandler = wrappedEventHandler && wrappedEventHandler.__sentry_wrapped__;\n if (originalEventHandler) {\n originalRemoveEventListener.call(this, eventName, originalEventHandler, options);\n }\n } catch (e) {\n // ignore, accessing __sentry_wrapped__ will throw in some Selenium environments\n }\n return originalRemoveEventListener.call(this, eventName, wrappedEventHandler, options);\n };\n },\n );\n}\n","// This was originally forked from https://github.com/csnover/TraceKit, and was largely\n// re - written as part of raven - js.\n//\n// This code was later copied to the JavaScript mono - repo and further modified and\n// refactored over the years.\n\n// Copyright (c) 2013 Onur Can Cakmak onur.cakmak@gmail.com and all TraceKit contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy of this\n// software and associated documentation files(the 'Software'), to deal in the Software\n// without restriction, including without limitation the rights to use, copy, modify,\n// merge, publish, distribute, sublicense, and / or sell copies of the Software, and to\n// permit persons to whom the Software is furnished to do so, subject to the following\n// conditions:\n//\n// The above copyright notice and this permission notice shall be included in all copies\n// or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,\n// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A\n// PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF\n// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE\n// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nimport type { StackFrame, StackLineParser, StackLineParserFn } from '@sentry/types';\nimport { createStackParser } from '@sentry/utils';\n\n// global reference to slice\nconst UNKNOWN_FUNCTION = '?';\n\nconst OPERA10_PRIORITY = 10;\nconst OPERA11_PRIORITY = 20;\nconst CHROME_PRIORITY = 30;\nconst WINJS_PRIORITY = 40;\nconst GECKO_PRIORITY = 50;\n\nfunction createFrame(filename: string, func: string, lineno?: number, colno?: number): StackFrame {\n const frame: StackFrame = {\n filename,\n function: func,\n in_app: true, // All browser frames are considered in_app\n };\n\n if (lineno !== undefined) {\n frame.lineno = lineno;\n }\n\n if (colno !== undefined) {\n frame.colno = colno;\n }\n\n return frame;\n}\n\n// Chromium based browsers: Chrome, Brave, new Opera, new Edge\nconst chromeRegex =\n /^\\s*at (?:(.+?\\)(?: \\[.+\\])?|.*?) ?\\((?:address at )?)?(?:async )?((?:|[-a-z]+:|.*bundle|\\/)?.*?)(?::(\\d+))?(?::(\\d+))?\\)?\\s*$/i;\nconst chromeEvalRegex = /\\((\\S*)(?::(\\d+))(?::(\\d+))\\)/;\n\n// We cannot call this variable `chrome` because it can conflict with global `chrome` variable in certain environments\n// See: https://github.com/getsentry/sentry-javascript/issues/6880\nconst chromeStackParserFn: StackLineParserFn = line => {\n const parts = chromeRegex.exec(line);\n\n if (parts) {\n const isEval = parts[2] && parts[2].indexOf('eval') === 0; // start of line\n\n if (isEval) {\n const subMatch = chromeEvalRegex.exec(parts[2]);\n\n if (subMatch) {\n // throw out eval line/column and use top-most line/column number\n parts[2] = subMatch[1]; // url\n parts[3] = subMatch[2]; // line\n parts[4] = subMatch[3]; // column\n }\n }\n\n // Kamil: One more hack won't hurt us right? Understanding and adding more rules on top of these regexps right now\n // would be way too time consuming. (TODO: Rewrite whole RegExp to be more readable)\n const [func, filename] = extractSafariExtensionDetails(parts[1] || UNKNOWN_FUNCTION, parts[2]);\n\n return createFrame(filename, func, parts[3] ? +parts[3] : undefined, parts[4] ? +parts[4] : undefined);\n }\n\n return;\n};\n\nexport const chromeStackLineParser: StackLineParser = [CHROME_PRIORITY, chromeStackParserFn];\n\n// gecko regex: `(?:bundle|\\d+\\.js)`: `bundle` is for react native, `\\d+\\.js` also but specifically for ram bundles because it\n// generates filenames without a prefix like `file://` the filenames in the stacktrace are just 42.js\n// We need this specific case for now because we want no other regex to match.\nconst geckoREgex =\n /^\\s*(.*?)(?:\\((.*?)\\))?(?:^|@)?((?:[-a-z]+)?:\\/.*?|\\[native code\\]|[^@]*(?:bundle|\\d+\\.js)|\\/[\\w\\-. /=]+)(?::(\\d+))?(?::(\\d+))?\\s*$/i;\nconst geckoEvalRegex = /(\\S+) line (\\d+)(?: > eval line \\d+)* > eval/i;\n\nconst gecko: StackLineParserFn = line => {\n const parts = geckoREgex.exec(line);\n\n if (parts) {\n const isEval = parts[3] && parts[3].indexOf(' > eval') > -1;\n if (isEval) {\n const subMatch = geckoEvalRegex.exec(parts[3]);\n\n if (subMatch) {\n // throw out eval line/column and use top-most line number\n parts[1] = parts[1] || 'eval';\n parts[3] = subMatch[1];\n parts[4] = subMatch[2];\n parts[5] = ''; // no column when eval\n }\n }\n\n let filename = parts[3];\n let func = parts[1] || UNKNOWN_FUNCTION;\n [func, filename] = extractSafariExtensionDetails(func, filename);\n\n return createFrame(filename, func, parts[4] ? +parts[4] : undefined, parts[5] ? +parts[5] : undefined);\n }\n\n return;\n};\n\nexport const geckoStackLineParser: StackLineParser = [GECKO_PRIORITY, gecko];\n\nconst winjsRegex = /^\\s*at (?:((?:\\[object object\\])?.+) )?\\(?((?:[-a-z]+):.*?):(\\d+)(?::(\\d+))?\\)?\\s*$/i;\n\nconst winjs: StackLineParserFn = line => {\n const parts = winjsRegex.exec(line);\n\n return parts\n ? createFrame(parts[2], parts[1] || UNKNOWN_FUNCTION, +parts[3], parts[4] ? +parts[4] : undefined)\n : undefined;\n};\n\nexport const winjsStackLineParser: StackLineParser = [WINJS_PRIORITY, winjs];\n\nconst opera10Regex = / line (\\d+).*script (?:in )?(\\S+)(?:: in function (\\S+))?$/i;\n\nconst opera10: StackLineParserFn = line => {\n const parts = opera10Regex.exec(line);\n return parts ? createFrame(parts[2], parts[3] || UNKNOWN_FUNCTION, +parts[1]) : undefined;\n};\n\nexport const opera10StackLineParser: StackLineParser = [OPERA10_PRIORITY, opera10];\n\nconst opera11Regex =\n / line (\\d+), column (\\d+)\\s*(?:in (?:]+)>|([^)]+))\\(.*\\))? in (.*):\\s*$/i;\n\nconst opera11: StackLineParserFn = line => {\n const parts = opera11Regex.exec(line);\n return parts ? createFrame(parts[5], parts[3] || parts[4] || UNKNOWN_FUNCTION, +parts[1], +parts[2]) : undefined;\n};\n\nexport const opera11StackLineParser: StackLineParser = [OPERA11_PRIORITY, opera11];\n\nexport const defaultStackLineParsers = [chromeStackLineParser, geckoStackLineParser, winjsStackLineParser];\n\nexport const defaultStackParser = createStackParser(...defaultStackLineParsers);\n\n/**\n * Safari web extensions, starting version unknown, can produce \"frames-only\" stacktraces.\n * What it means, is that instead of format like:\n *\n * Error: wat\n * at function@url:row:col\n * at function@url:row:col\n * at function@url:row:col\n *\n * it produces something like:\n *\n * function@url:row:col\n * function@url:row:col\n * function@url:row:col\n *\n * Because of that, it won't be captured by `chrome` RegExp and will fall into `Gecko` branch.\n * This function is extracted so that we can use it in both places without duplicating the logic.\n * Unfortunately \"just\" changing RegExp is too complicated now and making it pass all tests\n * and fix this case seems like an impossible, or at least way too time-consuming task.\n */\nconst extractSafariExtensionDetails = (func: string, filename: string): [string, string] => {\n const isSafariExtension = func.indexOf('safari-extension') !== -1;\n const isSafariWebExtension = func.indexOf('safari-web-extension') !== -1;\n\n return isSafariExtension || isSafariWebExtension\n ? [\n func.indexOf('@') !== -1 ? func.split('@')[0] : UNKNOWN_FUNCTION,\n isSafariExtension ? `safari-extension:${filename}` : `safari-web-extension:${filename}`,\n ]\n : [func, filename];\n};\n","import { SentryError } from './error';\nimport { SyncPromise, rejectedSyncPromise, resolvedSyncPromise } from './syncpromise';\n\nexport interface PromiseBuffer {\n // exposes the internal array so tests can assert on the state of it.\n // XXX: this really should not be public api.\n $: Array>;\n add(taskProducer: () => PromiseLike): PromiseLike;\n drain(timeout?: number): PromiseLike;\n}\n\n/**\n * Creates an new PromiseBuffer object with the specified limit\n * @param limit max number of promises that can be stored in the buffer\n */\nexport function makePromiseBuffer(limit?: number): PromiseBuffer {\n const buffer: Array> = [];\n\n function isReady(): boolean {\n return limit === undefined || buffer.length < limit;\n }\n\n /**\n * Remove a promise from the queue.\n *\n * @param task Can be any PromiseLike\n * @returns Removed promise.\n */\n function remove(task: PromiseLike): PromiseLike {\n return buffer.splice(buffer.indexOf(task), 1)[0];\n }\n\n /**\n * Add a promise (representing an in-flight action) to the queue, and set it to remove itself on fulfillment.\n *\n * @param taskProducer A function producing any PromiseLike; In previous versions this used to be `task:\n * PromiseLike`, but under that model, Promises were instantly created on the call-site and their executor\n * functions therefore ran immediately. Thus, even if the buffer was full, the action still happened. By\n * requiring the promise to be wrapped in a function, we can defer promise creation until after the buffer\n * limit check.\n * @returns The original promise.\n */\n function add(taskProducer: () => PromiseLike): PromiseLike {\n if (!isReady()) {\n return rejectedSyncPromise(new SentryError('Not adding Promise because buffer limit was reached.'));\n }\n\n // start the task and add its promise to the queue\n const task = taskProducer();\n if (buffer.indexOf(task) === -1) {\n buffer.push(task);\n }\n void task\n .then(() => remove(task))\n // Use `then(null, rejectionHandler)` rather than `catch(rejectionHandler)` so that we can use `PromiseLike`\n // rather than `Promise`. `PromiseLike` doesn't have a `.catch` method, making its polyfill smaller. (ES5 didn't\n // have promises, so TS has to polyfill when down-compiling.)\n .then(null, () =>\n remove(task).then(null, () => {\n // We have to add another catch here because `remove()` starts a new promise chain.\n }),\n );\n return task;\n }\n\n /**\n * Wait for all promises in the queue to resolve or for timeout to expire, whichever comes first.\n *\n * @param timeout The time, in ms, after which to resolve to `false` if the queue is still non-empty. Passing `0` (or\n * not passing anything) will make the promise wait as long as it takes for the queue to drain before resolving to\n * `true`.\n * @returns A promise which will resolve to `true` if the queue is already empty or drains before the timeout, and\n * `false` otherwise\n */\n function drain(timeout?: number): PromiseLike {\n return new SyncPromise((resolve, reject) => {\n let counter = buffer.length;\n\n if (!counter) {\n return resolve(true);\n }\n\n // wait for `timeout` ms and then resolve to `false` (if not cancelled first)\n const capturedSetTimeout = setTimeout(() => {\n if (timeout && timeout > 0) {\n resolve(false);\n }\n }, timeout);\n\n // if all promises resolve in time, cancel the timer and resolve to `true`\n buffer.forEach(item => {\n void resolvedSyncPromise(item).then(() => {\n if (!--counter) {\n clearTimeout(capturedSetTimeout);\n resolve(true);\n }\n }, reject);\n });\n });\n }\n\n return {\n $: buffer,\n add,\n drain,\n };\n}\n","import type { DataCategory, TransportMakeRequestResponse } from '@sentry/types';\n\n// Intentionally keeping the key broad, as we don't know for sure what rate limit headers get returned from backend\nexport type RateLimits = Record;\n\nexport const DEFAULT_RETRY_AFTER = 60 * 1000; // 60 seconds\n\n/**\n * Extracts Retry-After value from the request header or returns default value\n * @param header string representation of 'Retry-After' header\n * @param now current unix timestamp\n *\n */\nexport function parseRetryAfterHeader(header: string, now: number = Date.now()): number {\n const headerDelay = parseInt(`${header}`, 10);\n if (!isNaN(headerDelay)) {\n return headerDelay * 1000;\n }\n\n const headerDate = Date.parse(`${header}`);\n if (!isNaN(headerDate)) {\n return headerDate - now;\n }\n\n return DEFAULT_RETRY_AFTER;\n}\n\n/**\n * Gets the time that the given category is disabled until for rate limiting.\n * In case no category-specific limit is set but a general rate limit across all categories is active,\n * that time is returned.\n *\n * @return the time in ms that the category is disabled until or 0 if there's no active rate limit.\n */\nexport function disabledUntil(limits: RateLimits, dataCategory: DataCategory): number {\n return limits[dataCategory] || limits.all || 0;\n}\n\n/**\n * Checks if a category is rate limited\n */\nexport function isRateLimited(limits: RateLimits, dataCategory: DataCategory, now: number = Date.now()): boolean {\n return disabledUntil(limits, dataCategory) > now;\n}\n\n/**\n * Update ratelimits from incoming headers.\n *\n * @return the updated RateLimits object.\n */\nexport function updateRateLimits(\n limits: RateLimits,\n { statusCode, headers }: TransportMakeRequestResponse,\n now: number = Date.now(),\n): RateLimits {\n const updatedRateLimits: RateLimits = {\n ...limits,\n };\n\n // \"The name is case-insensitive.\"\n // https://developer.mozilla.org/en-US/docs/Web/API/Headers/get\n const rateLimitHeader = headers && headers['x-sentry-rate-limits'];\n const retryAfterHeader = headers && headers['retry-after'];\n\n if (rateLimitHeader) {\n /**\n * rate limit headers are of the form\n *
,
,..\n * where each
is of the form\n * : : : : \n * where\n * is a delay in seconds\n * is the event type(s) (error, transaction, etc) being rate limited and is of the form\n * ;;...\n * is what's being limited (org, project, or key) - ignored by SDK\n * is an arbitrary string like \"org_quota\" - ignored by SDK\n * Semicolon-separated list of metric namespace identifiers. Defines which namespace(s) will be affected.\n * Only present if rate limit applies to the metric_bucket data category.\n */\n for (const limit of rateLimitHeader.trim().split(',')) {\n const [retryAfter, categories, , , namespaces] = limit.split(':', 5);\n const headerDelay = parseInt(retryAfter, 10);\n const delay = (!isNaN(headerDelay) ? headerDelay : 60) * 1000; // 60sec default\n if (!categories) {\n updatedRateLimits.all = now + delay;\n } else {\n for (const category of categories.split(';')) {\n if (category === 'metric_bucket') {\n // namespaces will be present when category === 'metric_bucket'\n if (!namespaces || namespaces.split(';').includes('custom')) {\n updatedRateLimits[category] = now + delay;\n }\n } else {\n updatedRateLimits[category] = now + delay;\n }\n }\n }\n }\n } else if (retryAfterHeader) {\n updatedRateLimits.all = now + parseRetryAfterHeader(retryAfterHeader, now);\n } else if (statusCode === 429) {\n updatedRateLimits.all = now + 60 * 1000;\n }\n\n return updatedRateLimits;\n}\n","import type {\n Envelope,\n EnvelopeItem,\n EnvelopeItemType,\n Event,\n EventDropReason,\n EventItem,\n InternalBaseTransportOptions,\n Transport,\n TransportMakeRequestResponse,\n TransportRequestExecutor,\n} from '@sentry/types';\nimport type { PromiseBuffer, RateLimits } from '@sentry/utils';\nimport {\n SentryError,\n createEnvelope,\n envelopeItemTypeToDataCategory,\n forEachEnvelopeItem,\n isRateLimited,\n logger,\n makePromiseBuffer,\n resolvedSyncPromise,\n serializeEnvelope,\n updateRateLimits,\n} from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\n\nexport const DEFAULT_TRANSPORT_BUFFER_SIZE = 30;\n\n/**\n * Creates an instance of a Sentry `Transport`\n *\n * @param options\n * @param makeRequest\n */\nexport function createTransport(\n options: InternalBaseTransportOptions,\n makeRequest: TransportRequestExecutor,\n buffer: PromiseBuffer = makePromiseBuffer(\n options.bufferSize || DEFAULT_TRANSPORT_BUFFER_SIZE,\n ),\n): Transport {\n let rateLimits: RateLimits = {};\n const flush = (timeout?: number): PromiseLike => buffer.drain(timeout);\n\n function send(envelope: Envelope): PromiseLike {\n const filteredEnvelopeItems: EnvelopeItem[] = [];\n\n // Drop rate limited items from envelope\n forEachEnvelopeItem(envelope, (item, type) => {\n const dataCategory = envelopeItemTypeToDataCategory(type);\n if (isRateLimited(rateLimits, dataCategory)) {\n const event: Event | undefined = getEventForEnvelopeItem(item, type);\n options.recordDroppedEvent('ratelimit_backoff', dataCategory, event);\n } else {\n filteredEnvelopeItems.push(item);\n }\n });\n\n // Skip sending if envelope is empty after filtering out rate limited events\n if (filteredEnvelopeItems.length === 0) {\n return resolvedSyncPromise();\n }\n\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const filteredEnvelope: Envelope = createEnvelope(envelope[0], filteredEnvelopeItems as any);\n\n // Creates client report for each item in an envelope\n const recordEnvelopeLoss = (reason: EventDropReason): void => {\n forEachEnvelopeItem(filteredEnvelope, (item, type) => {\n const event: Event | undefined = getEventForEnvelopeItem(item, type);\n options.recordDroppedEvent(reason, envelopeItemTypeToDataCategory(type), event);\n });\n };\n\n const requestTask = (): PromiseLike =>\n makeRequest({ body: serializeEnvelope(filteredEnvelope, options.textEncoder) }).then(\n response => {\n // We don't want to throw on NOK responses, but we want to at least log them\n if (response.statusCode !== undefined && (response.statusCode < 200 || response.statusCode >= 300)) {\n DEBUG_BUILD && logger.warn(`Sentry responded with status code ${response.statusCode} to sent event.`);\n }\n\n rateLimits = updateRateLimits(rateLimits, response);\n return response;\n },\n error => {\n recordEnvelopeLoss('network_error');\n throw error;\n },\n );\n\n return buffer.add(requestTask).then(\n result => result,\n error => {\n if (error instanceof SentryError) {\n DEBUG_BUILD && logger.error('Skipped sending event because buffer is full.');\n recordEnvelopeLoss('queue_overflow');\n return resolvedSyncPromise();\n } else {\n throw error;\n }\n },\n );\n }\n\n // We use this to identifify if the transport is the base transport\n // TODO (v8): Remove this again as we'll no longer need it\n send.__sentry__baseTransport__ = true;\n\n return {\n send,\n flush,\n };\n}\n\nfunction getEventForEnvelopeItem(item: Envelope[1][number], type: EnvelopeItemType): Event | undefined {\n if (type !== 'event' && type !== 'transaction') {\n return undefined;\n }\n\n return Array.isArray(item) ? (item as EventItem)[1] : undefined;\n}\n","import { isNativeFetch, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { WINDOW } from '../helpers';\n\nlet cachedFetchImpl: FetchImpl | undefined = undefined;\n\nexport type FetchImpl = typeof fetch;\n\n/**\n * A special usecase for incorrectly wrapped Fetch APIs in conjunction with ad-blockers.\n * Whenever someone wraps the Fetch API and returns the wrong promise chain,\n * this chain becomes orphaned and there is no possible way to capture it's rejections\n * other than allowing it bubble up to this very handler. eg.\n *\n * const f = window.fetch;\n * window.fetch = function () {\n * const p = f.apply(this, arguments);\n *\n * p.then(function() {\n * console.log('hi.');\n * });\n *\n * return p;\n * }\n *\n * `p.then(function () { ... })` is producing a completely separate promise chain,\n * however, what's returned is `p` - the result of original `fetch` call.\n *\n * This mean, that whenever we use the Fetch API to send our own requests, _and_\n * some ad-blocker blocks it, this orphaned chain will _always_ reject,\n * effectively causing another event to be captured.\n * This makes a whole process become an infinite loop, which we need to somehow\n * deal with, and break it in one way or another.\n *\n * To deal with this issue, we are making sure that we _always_ use the real\n * browser Fetch API, instead of relying on what `window.fetch` exposes.\n * The only downside to this would be missing our own requests as breadcrumbs,\n * but because we are already not doing this, it should be just fine.\n *\n * Possible failed fetch error messages per-browser:\n *\n * Chrome: Failed to fetch\n * Edge: Failed to Fetch\n * Firefox: NetworkError when attempting to fetch resource\n * Safari: resource blocked by content blocker\n */\nexport function getNativeFetchImplementation(): FetchImpl {\n if (cachedFetchImpl) {\n return cachedFetchImpl;\n }\n\n /* eslint-disable @typescript-eslint/unbound-method */\n\n // Fast path to avoid DOM I/O\n if (isNativeFetch(WINDOW.fetch)) {\n return (cachedFetchImpl = WINDOW.fetch.bind(WINDOW));\n }\n\n const document = WINDOW.document;\n let fetchImpl = WINDOW.fetch;\n // eslint-disable-next-line deprecation/deprecation\n if (document && typeof document.createElement === 'function') {\n try {\n const sandbox = document.createElement('iframe');\n sandbox.hidden = true;\n document.head.appendChild(sandbox);\n const contentWindow = sandbox.contentWindow;\n if (contentWindow && contentWindow.fetch) {\n fetchImpl = contentWindow.fetch;\n }\n document.head.removeChild(sandbox);\n } catch (e) {\n DEBUG_BUILD && logger.warn('Could not create sandbox iframe for pure fetch check, bailing to window.fetch: ', e);\n }\n }\n\n return (cachedFetchImpl = fetchImpl.bind(WINDOW));\n /* eslint-enable @typescript-eslint/unbound-method */\n}\n\n/** Clears cached fetch impl */\nexport function clearCachedFetchImplementation(): void {\n cachedFetchImpl = undefined;\n}\n","import { createTransport } from '@sentry/core';\nimport type { Transport, TransportMakeRequestResponse, TransportRequest } from '@sentry/types';\nimport { rejectedSyncPromise } from '@sentry/utils';\n\nimport type { BrowserTransportOptions } from './types';\nimport type { FetchImpl } from './utils';\nimport { clearCachedFetchImplementation, getNativeFetchImplementation } from './utils';\n\n/**\n * Creates a Transport that uses the Fetch API to send events to Sentry.\n */\nexport function makeFetchTransport(\n options: BrowserTransportOptions,\n nativeFetch: FetchImpl = getNativeFetchImplementation(),\n): Transport {\n let pendingBodySize = 0;\n let pendingCount = 0;\n\n function makeRequest(request: TransportRequest): PromiseLike {\n const requestSize = request.body.length;\n pendingBodySize += requestSize;\n pendingCount++;\n\n const requestOptions: RequestInit = {\n body: request.body,\n method: 'POST',\n referrerPolicy: 'origin',\n headers: options.headers,\n // Outgoing requests are usually cancelled when navigating to a different page, causing a \"TypeError: Failed to\n // fetch\" error and sending a \"network_error\" client-outcome - in Chrome, the request status shows \"(cancelled)\".\n // The `keepalive` flag keeps outgoing requests alive, even when switching pages. We want this since we're\n // frequently sending events right before the user is switching pages (eg. whenfinishing navigation transactions).\n // Gotchas:\n // - `keepalive` isn't supported by Firefox\n // - As per spec (https://fetch.spec.whatwg.org/#http-network-or-cache-fetch):\n // If the sum of contentLength and inflightKeepaliveBytes is greater than 64 kibibytes, then return a network error.\n // We will therefore only activate the flag when we're below that limit.\n // There is also a limit of requests that can be open at the same time, so we also limit this to 15\n // See https://github.com/getsentry/sentry-javascript/pull/7553 for details\n keepalive: pendingBodySize <= 60_000 && pendingCount < 15,\n ...options.fetchOptions,\n };\n\n try {\n return nativeFetch(options.url, requestOptions).then(response => {\n pendingBodySize -= requestSize;\n pendingCount--;\n return {\n statusCode: response.status,\n headers: {\n 'x-sentry-rate-limits': response.headers.get('X-Sentry-Rate-Limits'),\n 'retry-after': response.headers.get('Retry-After'),\n },\n };\n });\n } catch (e) {\n clearCachedFetchImplementation();\n pendingBodySize -= requestSize;\n pendingCount--;\n return rejectedSyncPromise(e);\n }\n }\n\n return createTransport(options, makeRequest);\n}\n","import { createTransport } from '@sentry/core';\nimport type { Transport, TransportMakeRequestResponse, TransportRequest } from '@sentry/types';\nimport { SyncPromise } from '@sentry/utils';\n\nimport type { BrowserTransportOptions } from './types';\n\n/**\n * The DONE ready state for XmlHttpRequest\n *\n * Defining it here as a constant b/c XMLHttpRequest.DONE is not always defined\n * (e.g. during testing, it is `undefined`)\n *\n * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/readyState}\n */\nconst XHR_READYSTATE_DONE = 4;\n\n/**\n * Creates a Transport that uses the XMLHttpRequest API to send events to Sentry.\n */\nexport function makeXHRTransport(options: BrowserTransportOptions): Transport {\n function makeRequest(request: TransportRequest): PromiseLike {\n return new SyncPromise((resolve, reject) => {\n const xhr = new XMLHttpRequest();\n\n xhr.onerror = reject;\n\n xhr.onreadystatechange = (): void => {\n if (xhr.readyState === XHR_READYSTATE_DONE) {\n resolve({\n statusCode: xhr.status,\n headers: {\n 'x-sentry-rate-limits': xhr.getResponseHeader('X-Sentry-Rate-Limits'),\n 'retry-after': xhr.getResponseHeader('Retry-After'),\n },\n });\n }\n };\n\n xhr.open('POST', options.url);\n\n for (const header in options.headers) {\n if (Object.prototype.hasOwnProperty.call(options.headers, header)) {\n xhr.setRequestHeader(header, options.headers[header]);\n }\n }\n\n xhr.send(request.body);\n });\n }\n\n return createTransport(options, makeRequest);\n}\n","import type { Hub } from '@sentry/core';\nimport { functionToStringIntegration, inboundFiltersIntegration } from '@sentry/core';\nimport {\n captureSession,\n getClient,\n getCurrentHub,\n getIntegrationsToSetup,\n getReportDialogEndpoint,\n initAndBind,\n startSession,\n} from '@sentry/core';\nimport type { Integration, Options, UserFeedback } from '@sentry/types';\nimport {\n addHistoryInstrumentationHandler,\n logger,\n stackParserFromStackParserOptions,\n supportsFetch,\n} from '@sentry/utils';\n\nimport type { BrowserClientOptions, BrowserOptions } from './client';\nimport { BrowserClient } from './client';\nimport { DEBUG_BUILD } from './debug-build';\nimport type { ReportDialogOptions } from './helpers';\nimport { WINDOW, wrap as internalWrap } from './helpers';\nimport { breadcrumbsIntegration } from './integrations/breadcrumbs';\nimport { dedupeIntegration } from './integrations/dedupe';\nimport { globalHandlersIntegration } from './integrations/globalhandlers';\nimport { httpContextIntegration } from './integrations/httpcontext';\nimport { linkedErrorsIntegration } from './integrations/linkederrors';\nimport { browserApiErrorsIntegration } from './integrations/trycatch';\nimport { defaultStackParser } from './stack-parsers';\nimport { makeFetchTransport, makeXHRTransport } from './transports';\n\n/** @deprecated Use `getDefaultIntegrations(options)` instead. */\nexport const defaultIntegrations = [\n inboundFiltersIntegration(),\n functionToStringIntegration(),\n browserApiErrorsIntegration(),\n breadcrumbsIntegration(),\n globalHandlersIntegration(),\n linkedErrorsIntegration(),\n dedupeIntegration(),\n httpContextIntegration(),\n];\n\n/** Get the default integrations for the browser SDK. */\nexport function getDefaultIntegrations(_options: Options): Integration[] {\n // We return a copy of the defaultIntegrations here to avoid mutating this\n return [\n // eslint-disable-next-line deprecation/deprecation\n ...defaultIntegrations,\n ];\n}\n\n/**\n * A magic string that build tooling can leverage in order to inject a release value into the SDK.\n */\ndeclare const __SENTRY_RELEASE__: string | undefined;\n\n/**\n * The Sentry Browser SDK Client.\n *\n * To use this SDK, call the {@link init} function as early as possible when\n * loading the web page. To set context information or send manual events, use\n * the provided methods.\n *\n * @example\n *\n * ```\n *\n * import { init } from '@sentry/browser';\n *\n * init({\n * dsn: '__DSN__',\n * // ...\n * });\n * ```\n *\n * @example\n * ```\n *\n * import { configureScope } from '@sentry/browser';\n * configureScope((scope: Scope) => {\n * scope.setExtra({ battery: 0.7 });\n * scope.setTag({ user_mode: 'admin' });\n * scope.setUser({ id: '4711' });\n * });\n * ```\n *\n * @example\n * ```\n *\n * import { addBreadcrumb } from '@sentry/browser';\n * addBreadcrumb({\n * message: 'My Breadcrumb',\n * // ...\n * });\n * ```\n *\n * @example\n *\n * ```\n *\n * import * as Sentry from '@sentry/browser';\n * Sentry.captureMessage('Hello, world!');\n * Sentry.captureException(new Error('Good bye'));\n * Sentry.captureEvent({\n * message: 'Manual',\n * stacktrace: [\n * // ...\n * ],\n * });\n * ```\n *\n * @see {@link BrowserOptions} for documentation on configuration options.\n */\nexport function init(options: BrowserOptions = {}): void {\n if (options.defaultIntegrations === undefined) {\n options.defaultIntegrations = getDefaultIntegrations(options);\n }\n if (options.release === undefined) {\n // This allows build tooling to find-and-replace __SENTRY_RELEASE__ to inject a release value\n if (typeof __SENTRY_RELEASE__ === 'string') {\n options.release = __SENTRY_RELEASE__;\n }\n\n // This supports the variable that sentry-webpack-plugin injects\n if (WINDOW.SENTRY_RELEASE && WINDOW.SENTRY_RELEASE.id) {\n options.release = WINDOW.SENTRY_RELEASE.id;\n }\n }\n if (options.autoSessionTracking === undefined) {\n options.autoSessionTracking = true;\n }\n if (options.sendClientReports === undefined) {\n options.sendClientReports = true;\n }\n\n const clientOptions: BrowserClientOptions = {\n ...options,\n stackParser: stackParserFromStackParserOptions(options.stackParser || defaultStackParser),\n integrations: getIntegrationsToSetup(options),\n transport: options.transport || (supportsFetch() ? makeFetchTransport : makeXHRTransport),\n };\n\n initAndBind(BrowserClient, clientOptions);\n\n if (options.autoSessionTracking) {\n startSessionTracking();\n }\n}\n\ntype NewReportDialogOptions = ReportDialogOptions & { eventId: string }; // eslint-disable-line\n\ninterface ShowReportDialogFunction {\n /**\n * Present the user with a report dialog.\n *\n * @param options Everything is optional, we try to fetch all info need from the global scope.\n */\n (options: NewReportDialogOptions): void;\n\n /**\n * Present the user with a report dialog.\n *\n * @param options Everything is optional, we try to fetch all info need from the global scope.\n *\n * @deprecated Please always pass an `options` argument with `eventId`. The `hub` argument will not be used in the next version of the SDK.\n */\n // eslint-disable-next-line deprecation/deprecation\n (options?: ReportDialogOptions, hub?: Hub): void;\n}\n\nexport const showReportDialog: ShowReportDialogFunction = (\n // eslint-disable-next-line deprecation/deprecation\n options: ReportDialogOptions = {},\n // eslint-disable-next-line deprecation/deprecation\n hub: Hub = getCurrentHub(),\n) => {\n // doesn't work without a document (React Native)\n if (!WINDOW.document) {\n DEBUG_BUILD && logger.error('Global document not defined in showReportDialog call');\n return;\n }\n\n // eslint-disable-next-line deprecation/deprecation\n const { client, scope } = hub.getStackTop();\n const dsn = options.dsn || (client && client.getDsn());\n if (!dsn) {\n DEBUG_BUILD && logger.error('DSN not configured for showReportDialog call');\n return;\n }\n\n if (scope) {\n options.user = {\n ...scope.getUser(),\n ...options.user,\n };\n }\n\n if (!options.eventId) {\n // eslint-disable-next-line deprecation/deprecation\n options.eventId = hub.lastEventId();\n }\n\n const script = WINDOW.document.createElement('script');\n script.async = true;\n script.crossOrigin = 'anonymous';\n script.src = getReportDialogEndpoint(dsn, options);\n\n if (options.onLoad) {\n script.onload = options.onLoad;\n }\n\n const { onClose } = options;\n if (onClose) {\n const reportDialogClosedMessageHandler = (event: MessageEvent): void => {\n if (event.data === '__sentry_reportdialog_closed__') {\n try {\n onClose();\n } finally {\n WINDOW.removeEventListener('message', reportDialogClosedMessageHandler);\n }\n }\n };\n WINDOW.addEventListener('message', reportDialogClosedMessageHandler);\n }\n\n const injectionPoint = WINDOW.document.head || WINDOW.document.body;\n if (injectionPoint) {\n injectionPoint.appendChild(script);\n } else {\n DEBUG_BUILD && logger.error('Not injecting report dialog. No injection point found in HTML');\n }\n};\n\n/**\n * This function is here to be API compatible with the loader.\n * @hidden\n */\nexport function forceLoad(): void {\n // Noop\n}\n\n/**\n * This function is here to be API compatible with the loader.\n * @hidden\n */\nexport function onLoad(callback: () => void): void {\n callback();\n}\n\n/**\n * Wrap code within a try/catch block so the SDK is able to capture errors.\n *\n * @deprecated This function will be removed in v8.\n * It is not part of Sentry's official API and it's easily replaceable by using a try/catch block\n * and calling Sentry.captureException.\n *\n * @param fn A function to wrap.\n *\n * @returns The result of wrapped function call.\n */\n// TODO(v8): Remove this function\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport function wrap(fn: (...args: any) => any): any {\n return internalWrap(fn)();\n}\n\n/**\n * Enable automatic Session Tracking for the initial page load.\n */\nfunction startSessionTracking(): void {\n if (typeof WINDOW.document === 'undefined') {\n DEBUG_BUILD && logger.warn('Session tracking in non-browser environment with @sentry/browser is not supported.');\n return;\n }\n\n // The session duration for browser sessions does not track a meaningful\n // concept that can be used as a metric.\n // Automatically captured sessions are akin to page views, and thus we\n // discard their duration.\n startSession({ ignoreDuration: true });\n captureSession();\n\n // We want to create a session for every navigation as well\n addHistoryInstrumentationHandler(({ from, to }) => {\n // Don't create an additional session for the initial route or if the location did not change\n if (from !== undefined && from !== to) {\n startSession({ ignoreDuration: true });\n captureSession();\n }\n });\n}\n\n/**\n * Captures user feedback and sends it to Sentry.\n */\nexport function captureUserFeedback(feedback: UserFeedback): void {\n const client = getClient();\n if (client) {\n client.captureUserFeedback(feedback);\n }\n}\n","export const DEFAULT_ENVIRONMENT = 'production';\n","declare const __DEBUG_BUILD__: boolean;\n\n/**\n * This serves as a build time flag that will be true by default, but false in non-debug builds or if users replace `__SENTRY_DEBUG__` in their generated code.\n *\n * ATTENTION: This constant must never cross package boundaries (i.e. be exported) to guarantee that it can be used for tree shaking.\n */\nexport const DEBUG_BUILD = __DEBUG_BUILD__;\n","import type { Event, EventHint, EventProcessor } from '@sentry/types';\nimport { SyncPromise, getGlobalSingleton, isThenable, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from './debug-build';\n\n/**\n * Returns the global event processors.\n * @deprecated Global event processors will be removed in v8.\n */\nexport function getGlobalEventProcessors(): EventProcessor[] {\n return getGlobalSingleton('globalEventProcessors', () => []);\n}\n\n/**\n * Add a EventProcessor to be kept globally.\n * @deprecated Use `addEventProcessor` instead. Global event processors will be removed in v8.\n */\nexport function addGlobalEventProcessor(callback: EventProcessor): void {\n // eslint-disable-next-line deprecation/deprecation\n getGlobalEventProcessors().push(callback);\n}\n\n/**\n * Process an array of event processors, returning the processed event (or `null` if the event was dropped).\n */\nexport function notifyEventProcessors(\n processors: EventProcessor[],\n event: Event | null,\n hint: EventHint,\n index: number = 0,\n): PromiseLike {\n return new SyncPromise((resolve, reject) => {\n const processor = processors[index];\n if (event === null || typeof processor !== 'function') {\n resolve(event);\n } else {\n const result = processor({ ...event }, hint) as Event | null;\n\n DEBUG_BUILD && processor.id && result === null && logger.log(`Event processor \"${processor.id}\" dropped event`);\n\n if (isThenable(result)) {\n void result\n .then(final => notifyEventProcessors(processors, final, hint, index + 1).then(resolve))\n .then(null, reject);\n } else {\n void notifyEventProcessors(processors, result, hint, index + 1)\n .then(resolve)\n .then(null, reject);\n }\n }\n });\n}\n","import type {\n Breadcrumb,\n BreadcrumbHint,\n CaptureContext,\n CheckIn,\n Client,\n CustomSamplingContext,\n Event,\n EventHint,\n Extra,\n Extras,\n FinishedCheckIn,\n MonitorConfig,\n Primitive,\n Scope as ScopeInterface,\n Session,\n SessionContext,\n Severity,\n SeverityLevel,\n Span,\n TransactionContext,\n User,\n} from '@sentry/types';\nimport { GLOBAL_OBJ, isThenable, logger, timestampInSeconds, uuid4 } from '@sentry/utils';\n\nimport { DEFAULT_ENVIRONMENT } from './constants';\nimport { DEBUG_BUILD } from './debug-build';\nimport type { Hub } from './hub';\nimport { runWithAsyncContext } from './hub';\nimport { getCurrentHub, getIsolationScope } from './hub';\nimport type { Scope } from './scope';\nimport { closeSession, makeSession, updateSession } from './session';\nimport type { ExclusiveEventHintOrCaptureContext } from './utils/prepareEvent';\nimport { parseEventHintOrCaptureContext } from './utils/prepareEvent';\n\n/**\n * Captures an exception event and sends it to Sentry.\n *\n * @param exception The exception to capture.\n * @param hint Optional additional data to attach to the Sentry event.\n * @returns the id of the captured Sentry event.\n */\nexport function captureException(\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n exception: any,\n hint?: ExclusiveEventHintOrCaptureContext,\n): string {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().captureException(exception, parseEventHintOrCaptureContext(hint));\n}\n\n/**\n * Captures a message event and sends it to Sentry.\n *\n * @param exception The exception to capture.\n * @param captureContext Define the level of the message or pass in additional data to attach to the message.\n * @returns the id of the captured message.\n */\nexport function captureMessage(\n message: string,\n // eslint-disable-next-line deprecation/deprecation\n captureContext?: CaptureContext | Severity | SeverityLevel,\n): string {\n // This is necessary to provide explicit scopes upgrade, without changing the original\n // arity of the `captureMessage(message, level)` method.\n const level = typeof captureContext === 'string' ? captureContext : undefined;\n const context = typeof captureContext !== 'string' ? { captureContext } : undefined;\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().captureMessage(message, level, context);\n}\n\n/**\n * Captures a manually created event and sends it to Sentry.\n *\n * @param exception The event to send to Sentry.\n * @param hint Optional additional data to attach to the Sentry event.\n * @returns the id of the captured event.\n */\nexport function captureEvent(event: Event, hint?: EventHint): string {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().captureEvent(event, hint);\n}\n\n/**\n * Callback to set context information onto the scope.\n * @param callback Callback function that receives Scope.\n *\n * @deprecated Use getCurrentScope() directly.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function configureScope(callback: (scope: Scope) => void): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().configureScope(callback);\n}\n\n/**\n * Records a new breadcrumb which will be attached to future events.\n *\n * Breadcrumbs will be added to subsequent events to provide more context on\n * user's actions prior to an error or crash.\n *\n * @param breadcrumb The breadcrumb to record.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function addBreadcrumb(breadcrumb: Breadcrumb, hint?: BreadcrumbHint): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().addBreadcrumb(breadcrumb, hint);\n}\n\n/**\n * Sets context data with the given name.\n * @param name of the context\n * @param context Any kind of data. This data will be normalized.\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any, deprecation/deprecation\nexport function setContext(name: string, context: { [key: string]: any } | null): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().setContext(name, context);\n}\n\n/**\n * Set an object that will be merged sent as extra data with the event.\n * @param extras Extras object to merge into current context.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function setExtras(extras: Extras): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().setExtras(extras);\n}\n\n/**\n * Set key:value that will be sent as extra data with the event.\n * @param key String of extra\n * @param extra Any kind of data. This data will be normalized.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function setExtra(key: string, extra: Extra): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().setExtra(key, extra);\n}\n\n/**\n * Set an object that will be merged sent as tags data with the event.\n * @param tags Tags context object to merge into current context.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function setTags(tags: { [key: string]: Primitive }): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().setTags(tags);\n}\n\n/**\n * Set key:value that will be sent as tags data with the event.\n *\n * Can also be used to unset a tag, by passing `undefined`.\n *\n * @param key String key of tag\n * @param value Value of tag\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function setTag(key: string, value: Primitive): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().setTag(key, value);\n}\n\n/**\n * Updates user context information for future events.\n *\n * @param user User context object to be set in the current context. Pass `null` to unset the user.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function setUser(user: User | null): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub().setUser(user);\n}\n\n/**\n * Creates a new scope with and executes the given operation within.\n * The scope is automatically removed once the operation\n * finishes or throws.\n *\n * This is essentially a convenience function for:\n *\n * pushScope();\n * callback();\n * popScope();\n */\nexport function withScope(callback: (scope: Scope) => T): T;\n/**\n * Set the given scope as the active scope in the callback.\n */\nexport function withScope(scope: ScopeInterface | undefined, callback: (scope: Scope) => T): T;\n/**\n * Either creates a new active scope, or sets the given scope as active scope in the given callback.\n */\nexport function withScope(\n ...rest: [callback: (scope: Scope) => T] | [scope: ScopeInterface | undefined, callback: (scope: Scope) => T]\n): T {\n // eslint-disable-next-line deprecation/deprecation\n const hub = getCurrentHub();\n\n // If a scope is defined, we want to make this the active scope instead of the default one\n if (rest.length === 2) {\n const [scope, callback] = rest;\n if (!scope) {\n // eslint-disable-next-line deprecation/deprecation\n return hub.withScope(callback);\n }\n\n // eslint-disable-next-line deprecation/deprecation\n return hub.withScope(() => {\n // eslint-disable-next-line deprecation/deprecation\n hub.getStackTop().scope = scope as Scope;\n return callback(scope as Scope);\n });\n }\n\n // eslint-disable-next-line deprecation/deprecation\n return hub.withScope(rest[0]);\n}\n\n/**\n * Attempts to fork the current isolation scope and the current scope based on the current async context strategy. If no\n * async context strategy is set, the isolation scope and the current scope will not be forked (this is currently the\n * case, for example, in the browser).\n *\n * Usage of this function in environments without async context strategy is discouraged and may lead to unexpected behaviour.\n *\n * This function is intended for Sentry SDK and SDK integration development. It is not recommended to be used in \"normal\"\n * applications directly because it comes with pitfalls. Use at your own risk!\n *\n * @param callback The callback in which the passed isolation scope is active. (Note: In environments without async\n * context strategy, the currently active isolation scope may change within execution of the callback.)\n * @returns The same value that `callback` returns.\n */\nexport function withIsolationScope(callback: (isolationScope: Scope) => T): T {\n return runWithAsyncContext(() => {\n return callback(getIsolationScope());\n });\n}\n\n/**\n * Forks the current scope and sets the provided span as active span in the context of the provided callback.\n *\n * @param span Spans started in the context of the provided callback will be children of this span.\n * @param callback Execution context in which the provided span will be active. Is passed the newly forked scope.\n * @returns the value returned from the provided callback function.\n */\nexport function withActiveSpan(span: Span, callback: (scope: Scope) => T): T {\n return withScope(scope => {\n // eslint-disable-next-line deprecation/deprecation\n scope.setSpan(span);\n return callback(scope);\n });\n}\n\n/**\n * Starts a new `Transaction` and returns it. This is the entry point to manual tracing instrumentation.\n *\n * A tree structure can be built by adding child spans to the transaction, and child spans to other spans. To start a\n * new child span within the transaction or any span, call the respective `.startChild()` method.\n *\n * Every child span must be finished before the transaction is finished, otherwise the unfinished spans are discarded.\n *\n * The transaction must be finished with a call to its `.end()` method, at which point the transaction with all its\n * finished child spans will be sent to Sentry.\n *\n * NOTE: This function should only be used for *manual* instrumentation. Auto-instrumentation should call\n * `startTransaction` directly on the hub.\n *\n * @param context Properties of the new `Transaction`.\n * @param customSamplingContext Information given to the transaction sampling function (along with context-dependent\n * default values). See {@link Options.tracesSampler}.\n *\n * @returns The transaction which was just started\n *\n * @deprecated Use `startSpan()`, `startSpanManual()` or `startInactiveSpan()` instead.\n */\nexport function startTransaction(\n context: TransactionContext,\n customSamplingContext?: CustomSamplingContext,\n // eslint-disable-next-line deprecation/deprecation\n): ReturnType {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().startTransaction({ ...context }, customSamplingContext);\n}\n\n/**\n * Create a cron monitor check in and send it to Sentry.\n *\n * @param checkIn An object that describes a check in.\n * @param upsertMonitorConfig An optional object that describes a monitor config. Use this if you want\n * to create a monitor automatically when sending a check in.\n */\nexport function captureCheckIn(checkIn: CheckIn, upsertMonitorConfig?: MonitorConfig): string {\n const scope = getCurrentScope();\n const client = getClient();\n if (!client) {\n DEBUG_BUILD && logger.warn('Cannot capture check-in. No client defined.');\n } else if (!client.captureCheckIn) {\n DEBUG_BUILD && logger.warn('Cannot capture check-in. Client does not support sending check-ins.');\n } else {\n return client.captureCheckIn(checkIn, upsertMonitorConfig, scope);\n }\n\n return uuid4();\n}\n\n/**\n * Wraps a callback with a cron monitor check in. The check in will be sent to Sentry when the callback finishes.\n *\n * @param monitorSlug The distinct slug of the monitor.\n * @param upsertMonitorConfig An optional object that describes a monitor config. Use this if you want\n * to create a monitor automatically when sending a check in.\n */\nexport function withMonitor(\n monitorSlug: CheckIn['monitorSlug'],\n callback: () => T,\n upsertMonitorConfig?: MonitorConfig,\n): T {\n const checkInId = captureCheckIn({ monitorSlug, status: 'in_progress' }, upsertMonitorConfig);\n const now = timestampInSeconds();\n\n function finishCheckIn(status: FinishedCheckIn['status']): void {\n captureCheckIn({ monitorSlug, status, checkInId, duration: timestampInSeconds() - now });\n }\n\n let maybePromiseResult: T;\n try {\n maybePromiseResult = callback();\n } catch (e) {\n finishCheckIn('error');\n throw e;\n }\n\n if (isThenable(maybePromiseResult)) {\n Promise.resolve(maybePromiseResult).then(\n () => {\n finishCheckIn('ok');\n },\n () => {\n finishCheckIn('error');\n },\n );\n } else {\n finishCheckIn('ok');\n }\n\n return maybePromiseResult;\n}\n\n/**\n * Call `flush()` on the current client, if there is one. See {@link Client.flush}.\n *\n * @param timeout Maximum time in ms the client should wait to flush its event queue. Omitting this parameter will cause\n * the client to wait until all events are sent before resolving the promise.\n * @returns A promise which resolves to `true` if the queue successfully drains before the timeout, or `false` if it\n * doesn't (or if there's no client defined).\n */\nexport async function flush(timeout?: number): Promise {\n const client = getClient();\n if (client) {\n return client.flush(timeout);\n }\n DEBUG_BUILD && logger.warn('Cannot flush events. No client defined.');\n return Promise.resolve(false);\n}\n\n/**\n * Call `close()` on the current client, if there is one. See {@link Client.close}.\n *\n * @param timeout Maximum time in ms the client should wait to flush its event queue before shutting down. Omitting this\n * parameter will cause the client to wait until all events are sent before disabling itself.\n * @returns A promise which resolves to `true` if the queue successfully drains before the timeout, or `false` if it\n * doesn't (or if there's no client defined).\n */\nexport async function close(timeout?: number): Promise {\n const client = getClient();\n if (client) {\n return client.close(timeout);\n }\n DEBUG_BUILD && logger.warn('Cannot flush events and disable SDK. No client defined.');\n return Promise.resolve(false);\n}\n\n/**\n * This is the getter for lastEventId.\n *\n * @returns The last event id of a captured event.\n */\nexport function lastEventId(): string | undefined {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().lastEventId();\n}\n\n/**\n * Get the currently active client.\n */\nexport function getClient(): C | undefined {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().getClient();\n}\n\n/**\n * Returns true if Sentry has been properly initialized.\n */\nexport function isInitialized(): boolean {\n return !!getClient();\n}\n\n/**\n * Get the currently active scope.\n */\nexport function getCurrentScope(): Scope {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().getScope();\n}\n\n/**\n * Start a session on the current isolation scope.\n *\n * @param context (optional) additional properties to be applied to the returned session object\n *\n * @returns the new active session\n */\nexport function startSession(context?: SessionContext): Session {\n const client = getClient();\n const isolationScope = getIsolationScope();\n const currentScope = getCurrentScope();\n\n const { release, environment = DEFAULT_ENVIRONMENT } = (client && client.getOptions()) || {};\n\n // Will fetch userAgent if called from browser sdk\n const { userAgent } = GLOBAL_OBJ.navigator || {};\n\n const session = makeSession({\n release,\n environment,\n user: currentScope.getUser() || isolationScope.getUser(),\n ...(userAgent && { userAgent }),\n ...context,\n });\n\n // End existing session if there's one\n const currentSession = isolationScope.getSession();\n if (currentSession && currentSession.status === 'ok') {\n updateSession(currentSession, { status: 'exited' });\n }\n\n endSession();\n\n // Afterwards we set the new session on the scope\n isolationScope.setSession(session);\n\n // TODO (v8): Remove this and only use the isolation scope(?).\n // For v7 though, we can't \"soft-break\" people using getCurrentHub().getScope().setSession()\n currentScope.setSession(session);\n\n return session;\n}\n\n/**\n * End the session on the current isolation scope.\n */\nexport function endSession(): void {\n const isolationScope = getIsolationScope();\n const currentScope = getCurrentScope();\n\n const session = currentScope.getSession() || isolationScope.getSession();\n if (session) {\n closeSession(session);\n }\n _sendSessionUpdate();\n\n // the session is over; take it off of the scope\n isolationScope.setSession();\n\n // TODO (v8): Remove this and only use the isolation scope(?).\n // For v7 though, we can't \"soft-break\" people using getCurrentHub().getScope().setSession()\n currentScope.setSession();\n}\n\n/**\n * Sends the current Session on the scope\n */\nfunction _sendSessionUpdate(): void {\n const isolationScope = getIsolationScope();\n const currentScope = getCurrentScope();\n const client = getClient();\n // TODO (v8): Remove currentScope and only use the isolation scope(?).\n // For v7 though, we can't \"soft-break\" people using getCurrentHub().getScope().setSession()\n const session = currentScope.getSession() || isolationScope.getSession();\n if (session && client && client.captureSession) {\n client.captureSession(session);\n }\n}\n\n/**\n * Sends the current session on the scope to Sentry\n *\n * @param end If set the session will be marked as exited and removed from the scope.\n * Defaults to `false`.\n */\nexport function captureSession(end: boolean = false): void {\n // both send the update and pull the session from the scope\n if (end) {\n endSession();\n return;\n }\n\n // only send the update\n _sendSessionUpdate();\n}\n","/* eslint-disable max-lines */\nimport type {\n Breadcrumb,\n BreadcrumbHint,\n Client,\n CustomSamplingContext,\n Event,\n EventHint,\n Extra,\n Extras,\n Hub as HubInterface,\n Integration,\n IntegrationClass,\n Primitive,\n Session,\n SessionContext,\n Severity,\n SeverityLevel,\n Transaction,\n TransactionContext,\n User,\n} from '@sentry/types';\nimport {\n GLOBAL_OBJ,\n consoleSandbox,\n dateTimestampInSeconds,\n getGlobalSingleton,\n isThenable,\n logger,\n uuid4,\n} from '@sentry/utils';\n\nimport { DEFAULT_ENVIRONMENT } from './constants';\nimport { DEBUG_BUILD } from './debug-build';\nimport { Scope } from './scope';\nimport { closeSession, makeSession, updateSession } from './session';\nimport { SDK_VERSION } from './version';\n\n/**\n * API compatibility version of this hub.\n *\n * WARNING: This number should only be increased when the global interface\n * changes and new methods are introduced.\n *\n * @hidden\n */\nexport const API_VERSION = parseFloat(SDK_VERSION);\n\n/**\n * Default maximum number of breadcrumbs added to an event. Can be overwritten\n * with {@link Options.maxBreadcrumbs}.\n */\nconst DEFAULT_BREADCRUMBS = 100;\n\nexport interface RunWithAsyncContextOptions {\n /** Whether to reuse an existing async context if one exists. Defaults to false. */\n reuseExisting?: boolean;\n}\n\n/**\n * @private Private API with no semver guarantees!\n *\n * Strategy used to track async context.\n */\nexport interface AsyncContextStrategy {\n /**\n * Gets the current async context. Returns undefined if there is no current async context.\n */\n // eslint-disable-next-line deprecation/deprecation\n getCurrentHub: () => Hub | undefined;\n /**\n * Runs the supplied callback in its own async context.\n */\n runWithAsyncContext(callback: () => T, options: RunWithAsyncContextOptions): T;\n}\n\n/**\n * A layer in the process stack.\n * @hidden\n */\nexport interface Layer {\n client?: Client;\n scope: Scope;\n}\n\n/**\n * An object that contains a hub and maintains a scope stack.\n * @hidden\n */\nexport interface Carrier {\n __SENTRY__?: {\n // eslint-disable-next-line deprecation/deprecation\n hub?: Hub;\n acs?: AsyncContextStrategy;\n /**\n * Extra Hub properties injected by various SDKs\n */\n integrations?: Integration[];\n extensions?: {\n /** Extension methods for the hub, which are bound to the current Hub instance */\n // eslint-disable-next-line @typescript-eslint/ban-types\n [key: string]: Function;\n };\n };\n}\n\n/**\n * @deprecated The `Hub` class will be removed in version 8 of the SDK in favour of `Scope` and `Client` objects.\n *\n * If you previously used the `Hub` class directly, replace it with `Scope` and `Client` objects. More information:\n * - [Multiple Sentry Instances](https://docs.sentry.io/platforms/javascript/best-practices/multiple-sentry-instances/)\n * - [Browser Extensions](https://docs.sentry.io/platforms/javascript/best-practices/browser-extensions/)\n *\n * Some of our APIs are typed with the Hub class instead of the interface (e.g. `getCurrentHub`). Most of them are deprecated\n * themselves and will also be removed in version 8. More information:\n * - [Migration Guide](https://github.com/getsentry/sentry-javascript/blob/develop/MIGRATION.md#deprecate-hub)\n */\n// eslint-disable-next-line deprecation/deprecation\nexport class Hub implements HubInterface {\n /** Is a {@link Layer}[] containing the client and scope */\n private readonly _stack: Layer[];\n\n /** Contains the last event id of a captured event. */\n private _lastEventId?: string;\n\n private _isolationScope: Scope;\n\n /**\n * Creates a new instance of the hub, will push one {@link Layer} into the\n * internal stack on creation.\n *\n * @param client bound to the hub.\n * @param scope bound to the hub.\n * @param version number, higher number means higher priority.\n *\n * @deprecated Instantiation of Hub objects is deprecated and the constructor will be removed in version 8 of the SDK.\n *\n * If you are currently using the Hub for multi-client use like so:\n *\n * ```\n * // OLD\n * const hub = new Hub();\n * hub.bindClient(client);\n * makeMain(hub)\n * ```\n *\n * instead initialize the client as follows:\n *\n * ```\n * // NEW\n * Sentry.withIsolationScope(() => {\n * Sentry.setCurrentClient(client);\n * client.init();\n * });\n * ```\n *\n * If you are using the Hub to capture events like so:\n *\n * ```\n * // OLD\n * const client = new Client();\n * const hub = new Hub(client);\n * hub.captureException()\n * ```\n *\n * instead capture isolated events as follows:\n *\n * ```\n * // NEW\n * const client = new Client();\n * const scope = new Scope();\n * scope.setClient(client);\n * scope.captureException();\n * ```\n */\n public constructor(\n client?: Client,\n scope?: Scope,\n isolationScope?: Scope,\n private readonly _version: number = API_VERSION,\n ) {\n let assignedScope;\n if (!scope) {\n assignedScope = new Scope();\n assignedScope.setClient(client);\n } else {\n assignedScope = scope;\n }\n\n let assignedIsolationScope;\n if (!isolationScope) {\n assignedIsolationScope = new Scope();\n assignedIsolationScope.setClient(client);\n } else {\n assignedIsolationScope = isolationScope;\n }\n\n this._stack = [{ scope: assignedScope }];\n\n if (client) {\n // eslint-disable-next-line deprecation/deprecation\n this.bindClient(client);\n }\n\n this._isolationScope = assignedIsolationScope;\n }\n\n /**\n * Checks if this hub's version is older than the given version.\n *\n * @param version A version number to compare to.\n * @return True if the given version is newer; otherwise false.\n *\n * @deprecated This will be removed in v8.\n */\n public isOlderThan(version: number): boolean {\n return this._version < version;\n }\n\n /**\n * This binds the given client to the current scope.\n * @param client An SDK client (client) instance.\n *\n * @deprecated Use `initAndBind()` directly, or `setCurrentClient()` and/or `client.init()` instead.\n */\n public bindClient(client?: Client): void {\n // eslint-disable-next-line deprecation/deprecation\n const top = this.getStackTop();\n top.client = client;\n top.scope.setClient(client);\n // eslint-disable-next-line deprecation/deprecation\n if (client && client.setupIntegrations) {\n // eslint-disable-next-line deprecation/deprecation\n client.setupIntegrations();\n }\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `withScope` instead.\n */\n public pushScope(): Scope {\n // We want to clone the content of prev scope\n // eslint-disable-next-line deprecation/deprecation\n const scope = this.getScope().clone();\n // eslint-disable-next-line deprecation/deprecation\n this.getStack().push({\n // eslint-disable-next-line deprecation/deprecation\n client: this.getClient(),\n scope,\n });\n return scope;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `withScope` instead.\n */\n public popScope(): boolean {\n // eslint-disable-next-line deprecation/deprecation\n if (this.getStack().length <= 1) return false;\n // eslint-disable-next-line deprecation/deprecation\n return !!this.getStack().pop();\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `Sentry.withScope()` instead.\n */\n public withScope(callback: (scope: Scope) => T): T {\n // eslint-disable-next-line deprecation/deprecation\n const scope = this.pushScope();\n\n let maybePromiseResult: T;\n try {\n maybePromiseResult = callback(scope);\n } catch (e) {\n // eslint-disable-next-line deprecation/deprecation\n this.popScope();\n throw e;\n }\n\n if (isThenable(maybePromiseResult)) {\n // @ts-expect-error - isThenable returns the wrong type\n return maybePromiseResult.then(\n res => {\n // eslint-disable-next-line deprecation/deprecation\n this.popScope();\n return res;\n },\n e => {\n // eslint-disable-next-line deprecation/deprecation\n this.popScope();\n throw e;\n },\n );\n }\n\n // eslint-disable-next-line deprecation/deprecation\n this.popScope();\n return maybePromiseResult;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `Sentry.getClient()` instead.\n */\n public getClient(): C | undefined {\n // eslint-disable-next-line deprecation/deprecation\n return this.getStackTop().client as C;\n }\n\n /**\n * Returns the scope of the top stack.\n *\n * @deprecated Use `Sentry.getCurrentScope()` instead.\n */\n public getScope(): Scope {\n // eslint-disable-next-line deprecation/deprecation\n return this.getStackTop().scope;\n }\n\n /**\n * @deprecated Use `Sentry.getIsolationScope()` instead.\n */\n public getIsolationScope(): Scope {\n return this._isolationScope;\n }\n\n /**\n * Returns the scope stack for domains or the process.\n * @deprecated This will be removed in v8.\n */\n public getStack(): Layer[] {\n return this._stack;\n }\n\n /**\n * Returns the topmost scope layer in the order domain > local > process.\n * @deprecated This will be removed in v8.\n */\n public getStackTop(): Layer {\n return this._stack[this._stack.length - 1];\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `Sentry.captureException()` instead.\n */\n public captureException(exception: unknown, hint?: EventHint): string {\n const eventId = (this._lastEventId = hint && hint.event_id ? hint.event_id : uuid4());\n const syntheticException = new Error('Sentry syntheticException');\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().captureException(exception, {\n originalException: exception,\n syntheticException,\n ...hint,\n event_id: eventId,\n });\n\n return eventId;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `Sentry.captureMessage()` instead.\n */\n public captureMessage(\n message: string,\n // eslint-disable-next-line deprecation/deprecation\n level?: Severity | SeverityLevel,\n hint?: EventHint,\n ): string {\n const eventId = (this._lastEventId = hint && hint.event_id ? hint.event_id : uuid4());\n const syntheticException = new Error(message);\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().captureMessage(message, level, {\n originalException: message,\n syntheticException,\n ...hint,\n event_id: eventId,\n });\n\n return eventId;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `Sentry.captureEvent()` instead.\n */\n public captureEvent(event: Event, hint?: EventHint): string {\n const eventId = hint && hint.event_id ? hint.event_id : uuid4();\n if (!event.type) {\n this._lastEventId = eventId;\n }\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().captureEvent(event, { ...hint, event_id: eventId });\n return eventId;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated This will be removed in v8.\n */\n public lastEventId(): string | undefined {\n return this._lastEventId;\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `Sentry.addBreadcrumb()` instead.\n */\n public addBreadcrumb(breadcrumb: Breadcrumb, hint?: BreadcrumbHint): void {\n // eslint-disable-next-line deprecation/deprecation\n const { scope, client } = this.getStackTop();\n\n if (!client) return;\n\n const { beforeBreadcrumb = null, maxBreadcrumbs = DEFAULT_BREADCRUMBS } =\n (client.getOptions && client.getOptions()) || {};\n\n if (maxBreadcrumbs <= 0) return;\n\n const timestamp = dateTimestampInSeconds();\n const mergedBreadcrumb = { timestamp, ...breadcrumb };\n const finalBreadcrumb = beforeBreadcrumb\n ? (consoleSandbox(() => beforeBreadcrumb(mergedBreadcrumb, hint)) as Breadcrumb | null)\n : mergedBreadcrumb;\n\n if (finalBreadcrumb === null) return;\n\n if (client.emit) {\n client.emit('beforeAddBreadcrumb', finalBreadcrumb, hint);\n }\n\n // TODO(v8): I know this comment doesn't make much sense because the hub will be deprecated but I still wanted to\n // write it down. In theory, we would have to add the breadcrumbs to the isolation scope here, however, that would\n // duplicate all of the breadcrumbs. There was the possibility of adding breadcrumbs to both, the isolation scope\n // and the normal scope, and deduplicating it down the line in the event processing pipeline. However, that would\n // have been very fragile, because the breadcrumb objects would have needed to keep their identity all throughout\n // the event processing pipeline.\n // In the new implementation, the top level `Sentry.addBreadcrumb()` should ONLY write to the isolation scope.\n\n scope.addBreadcrumb(finalBreadcrumb, maxBreadcrumbs);\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.setUser()` instead.\n */\n public setUser(user: User | null): void {\n // TODO(v8): The top level `Sentry.setUser()` function should write ONLY to the isolation scope.\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().setUser(user);\n // eslint-disable-next-line deprecation/deprecation\n this.getIsolationScope().setUser(user);\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.setTags()` instead.\n */\n public setTags(tags: { [key: string]: Primitive }): void {\n // TODO(v8): The top level `Sentry.setTags()` function should write ONLY to the isolation scope.\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().setTags(tags);\n // eslint-disable-next-line deprecation/deprecation\n this.getIsolationScope().setTags(tags);\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.setExtras()` instead.\n */\n public setExtras(extras: Extras): void {\n // TODO(v8): The top level `Sentry.setExtras()` function should write ONLY to the isolation scope.\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().setExtras(extras);\n // eslint-disable-next-line deprecation/deprecation\n this.getIsolationScope().setExtras(extras);\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.setTag()` instead.\n */\n public setTag(key: string, value: Primitive): void {\n // TODO(v8): The top level `Sentry.setTag()` function should write ONLY to the isolation scope.\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().setTag(key, value);\n // eslint-disable-next-line deprecation/deprecation\n this.getIsolationScope().setTag(key, value);\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.setExtra()` instead.\n */\n public setExtra(key: string, extra: Extra): void {\n // TODO(v8): The top level `Sentry.setExtra()` function should write ONLY to the isolation scope.\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().setExtra(key, extra);\n // eslint-disable-next-line deprecation/deprecation\n this.getIsolationScope().setExtra(key, extra);\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.setContext()` instead.\n */\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n public setContext(name: string, context: { [key: string]: any } | null): void {\n // TODO(v8): The top level `Sentry.setContext()` function should write ONLY to the isolation scope.\n // eslint-disable-next-line deprecation/deprecation\n this.getScope().setContext(name, context);\n // eslint-disable-next-line deprecation/deprecation\n this.getIsolationScope().setContext(name, context);\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use `getScope()` directly.\n */\n public configureScope(callback: (scope: Scope) => void): void {\n // eslint-disable-next-line deprecation/deprecation\n const { scope, client } = this.getStackTop();\n if (client) {\n callback(scope);\n }\n }\n\n /**\n * @inheritDoc\n */\n // eslint-disable-next-line deprecation/deprecation\n public run(callback: (hub: Hub) => void): void {\n // eslint-disable-next-line deprecation/deprecation\n const oldHub = makeMain(this);\n try {\n callback(this);\n } finally {\n // eslint-disable-next-line deprecation/deprecation\n makeMain(oldHub);\n }\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `Sentry.getClient().getIntegrationByName()` instead.\n */\n public getIntegration(integration: IntegrationClass): T | null {\n // eslint-disable-next-line deprecation/deprecation\n const client = this.getClient();\n if (!client) return null;\n try {\n // eslint-disable-next-line deprecation/deprecation\n return client.getIntegration(integration);\n } catch (_oO) {\n DEBUG_BUILD && logger.warn(`Cannot retrieve integration ${integration.id} from the current Hub`);\n return null;\n }\n }\n\n /**\n * Starts a new `Transaction` and returns it. This is the entry point to manual tracing instrumentation.\n *\n * A tree structure can be built by adding child spans to the transaction, and child spans to other spans. To start a\n * new child span within the transaction or any span, call the respective `.startChild()` method.\n *\n * Every child span must be finished before the transaction is finished, otherwise the unfinished spans are discarded.\n *\n * The transaction must be finished with a call to its `.end()` method, at which point the transaction with all its\n * finished child spans will be sent to Sentry.\n *\n * @param context Properties of the new `Transaction`.\n * @param customSamplingContext Information given to the transaction sampling function (along with context-dependent\n * default values). See {@link Options.tracesSampler}.\n *\n * @returns The transaction which was just started\n *\n * @deprecated Use `startSpan()`, `startSpanManual()` or `startInactiveSpan()` instead.\n */\n public startTransaction(context: TransactionContext, customSamplingContext?: CustomSamplingContext): Transaction {\n const result = this._callExtensionMethod('startTransaction', context, customSamplingContext);\n\n if (DEBUG_BUILD && !result) {\n // eslint-disable-next-line deprecation/deprecation\n const client = this.getClient();\n if (!client) {\n logger.warn(\n \"Tracing extension 'startTransaction' is missing. You should 'init' the SDK before calling 'startTransaction'\",\n );\n } else {\n logger.warn(`Tracing extension 'startTransaction' has not been added. Call 'addTracingExtensions' before calling 'init':\nSentry.addTracingExtensions();\nSentry.init({...});\n`);\n }\n }\n\n return result;\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `spanToTraceHeader()` instead.\n */\n public traceHeaders(): { [key: string]: string } {\n return this._callExtensionMethod<{ [key: string]: string }>('traceHeaders');\n }\n\n /**\n * @inheritDoc\n *\n * @deprecated Use top level `captureSession` instead.\n */\n public captureSession(endSession: boolean = false): void {\n // both send the update and pull the session from the scope\n if (endSession) {\n // eslint-disable-next-line deprecation/deprecation\n return this.endSession();\n }\n\n // only send the update\n this._sendSessionUpdate();\n }\n\n /**\n * @inheritDoc\n * @deprecated Use top level `endSession` instead.\n */\n public endSession(): void {\n // eslint-disable-next-line deprecation/deprecation\n const layer = this.getStackTop();\n const scope = layer.scope;\n const session = scope.getSession();\n if (session) {\n closeSession(session);\n }\n this._sendSessionUpdate();\n\n // the session is over; take it off of the scope\n scope.setSession();\n }\n\n /**\n * @inheritDoc\n * @deprecated Use top level `startSession` instead.\n */\n public startSession(context?: SessionContext): Session {\n // eslint-disable-next-line deprecation/deprecation\n const { scope, client } = this.getStackTop();\n const { release, environment = DEFAULT_ENVIRONMENT } = (client && client.getOptions()) || {};\n\n // Will fetch userAgent if called from browser sdk\n const { userAgent } = GLOBAL_OBJ.navigator || {};\n\n const session = makeSession({\n release,\n environment,\n user: scope.getUser(),\n ...(userAgent && { userAgent }),\n ...context,\n });\n\n // End existing session if there's one\n const currentSession = scope.getSession && scope.getSession();\n if (currentSession && currentSession.status === 'ok') {\n updateSession(currentSession, { status: 'exited' });\n }\n // eslint-disable-next-line deprecation/deprecation\n this.endSession();\n\n // Afterwards we set the new session on the scope\n scope.setSession(session);\n\n return session;\n }\n\n /**\n * Returns if default PII should be sent to Sentry and propagated in ourgoing requests\n * when Tracing is used.\n *\n * @deprecated Use top-level `getClient().getOptions().sendDefaultPii` instead. This function\n * only unnecessarily increased API surface but only wrapped accessing the option.\n */\n public shouldSendDefaultPii(): boolean {\n // eslint-disable-next-line deprecation/deprecation\n const client = this.getClient();\n const options = client && client.getOptions();\n return Boolean(options && options.sendDefaultPii);\n }\n\n /**\n * Sends the current Session on the scope\n */\n private _sendSessionUpdate(): void {\n // eslint-disable-next-line deprecation/deprecation\n const { scope, client } = this.getStackTop();\n\n const session = scope.getSession();\n if (session && client && client.captureSession) {\n client.captureSession(session);\n }\n }\n\n /**\n * Calls global extension method and binding current instance to the function call\n */\n // @ts-expect-error Function lacks ending return statement and return type does not include 'undefined'. ts(2366)\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n private _callExtensionMethod(method: string, ...args: any[]): T {\n const carrier = getMainCarrier();\n const sentry = carrier.__SENTRY__;\n if (sentry && sentry.extensions && typeof sentry.extensions[method] === 'function') {\n return sentry.extensions[method].apply(this, args);\n }\n DEBUG_BUILD && logger.warn(`Extension method ${method} couldn't be found, doing nothing.`);\n }\n}\n\n/**\n * Returns the global shim registry.\n *\n * FIXME: This function is problematic, because despite always returning a valid Carrier,\n * it has an optional `__SENTRY__` property, which then in turn requires us to always perform an unnecessary check\n * at the call-site. We always access the carrier through this function, so we can guarantee that `__SENTRY__` is there.\n **/\nexport function getMainCarrier(): Carrier {\n GLOBAL_OBJ.__SENTRY__ = GLOBAL_OBJ.__SENTRY__ || {\n extensions: {},\n hub: undefined,\n };\n return GLOBAL_OBJ;\n}\n\n/**\n * Replaces the current main hub with the passed one on the global object\n *\n * @returns The old replaced hub\n *\n * @deprecated Use `setCurrentClient()` instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function makeMain(hub: Hub): Hub {\n const registry = getMainCarrier();\n const oldHub = getHubFromCarrier(registry);\n setHubOnCarrier(registry, hub);\n return oldHub;\n}\n\n/**\n * Returns the default hub instance.\n *\n * If a hub is already registered in the global carrier but this module\n * contains a more recent version, it replaces the registered version.\n * Otherwise, the currently registered hub will be returned.\n *\n * @deprecated Use the respective replacement method directly instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function getCurrentHub(): Hub {\n // Get main carrier (global for every environment)\n const registry = getMainCarrier();\n\n if (registry.__SENTRY__ && registry.__SENTRY__.acs) {\n const hub = registry.__SENTRY__.acs.getCurrentHub();\n\n if (hub) {\n return hub;\n }\n }\n\n // Return hub that lives on a global object\n return getGlobalHub(registry);\n}\n\n/**\n * Get the currently active isolation scope.\n * The isolation scope is active for the current exection context,\n * meaning that it will remain stable for the same Hub.\n */\nexport function getIsolationScope(): Scope {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentHub().getIsolationScope();\n}\n\n// eslint-disable-next-line deprecation/deprecation\nfunction getGlobalHub(registry: Carrier = getMainCarrier()): Hub {\n // If there's no hub, or its an old API, assign a new one\n\n if (\n !hasHubOnCarrier(registry) ||\n // eslint-disable-next-line deprecation/deprecation\n getHubFromCarrier(registry).isOlderThan(API_VERSION)\n ) {\n // eslint-disable-next-line deprecation/deprecation\n setHubOnCarrier(registry, new Hub());\n }\n\n // Return hub that lives on a global object\n return getHubFromCarrier(registry);\n}\n\n/**\n * @private Private API with no semver guarantees!\n *\n * If the carrier does not contain a hub, a new hub is created with the global hub client and scope.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function ensureHubOnCarrier(carrier: Carrier, parent: Hub = getGlobalHub()): void {\n // If there's no hub on current domain, or it's an old API, assign a new one\n if (\n !hasHubOnCarrier(carrier) ||\n // eslint-disable-next-line deprecation/deprecation\n getHubFromCarrier(carrier).isOlderThan(API_VERSION)\n ) {\n // eslint-disable-next-line deprecation/deprecation\n const client = parent.getClient();\n // eslint-disable-next-line deprecation/deprecation\n const scope = parent.getScope();\n // eslint-disable-next-line deprecation/deprecation\n const isolationScope = parent.getIsolationScope();\n // eslint-disable-next-line deprecation/deprecation\n setHubOnCarrier(carrier, new Hub(client, scope.clone(), isolationScope.clone()));\n }\n}\n\n/**\n * @private Private API with no semver guarantees!\n *\n * Sets the global async context strategy\n */\nexport function setAsyncContextStrategy(strategy: AsyncContextStrategy | undefined): void {\n // Get main carrier (global for every environment)\n const registry = getMainCarrier();\n registry.__SENTRY__ = registry.__SENTRY__ || {};\n registry.__SENTRY__.acs = strategy;\n}\n\n/**\n * Runs the supplied callback in its own async context. Async Context strategies are defined per SDK.\n *\n * @param callback The callback to run in its own async context\n * @param options Options to pass to the async context strategy\n * @returns The result of the callback\n */\nexport function runWithAsyncContext(callback: () => T, options: RunWithAsyncContextOptions = {}): T {\n const registry = getMainCarrier();\n\n if (registry.__SENTRY__ && registry.__SENTRY__.acs) {\n return registry.__SENTRY__.acs.runWithAsyncContext(callback, options);\n }\n\n // if there was no strategy, fallback to just calling the callback\n return callback();\n}\n\n/**\n * This will tell whether a carrier has a hub on it or not\n * @param carrier object\n */\nfunction hasHubOnCarrier(carrier: Carrier): boolean {\n return !!(carrier && carrier.__SENTRY__ && carrier.__SENTRY__.hub);\n}\n\n/**\n * This will create a new {@link Hub} and add to the passed object on\n * __SENTRY__.hub.\n * @param carrier object\n * @hidden\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function getHubFromCarrier(carrier: Carrier): Hub {\n // eslint-disable-next-line deprecation/deprecation\n return getGlobalSingleton('hub', () => new Hub(), carrier);\n}\n\n/**\n * This will set passed {@link Hub} on the passed object's __SENTRY__.hub attribute\n * @param carrier object\n * @param hub Hub\n * @returns A boolean indicating success or failure\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function setHubOnCarrier(carrier: Carrier, hub: Hub): boolean {\n if (!carrier) return false;\n const __SENTRY__ = (carrier.__SENTRY__ = carrier.__SENTRY__ || {});\n __SENTRY__.hub = hub;\n return true;\n}\n","import type {\n Client,\n Event,\n EventHint,\n Integration,\n IntegrationClass,\n IntegrationFn,\n IntegrationFnResult,\n Options,\n} from '@sentry/types';\nimport { arrayify, logger } from '@sentry/utils';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport { addGlobalEventProcessor } from './eventProcessors';\nimport { getClient } from './exports';\nimport { getCurrentHub } from './hub';\n\ndeclare module '@sentry/types' {\n interface Integration {\n isDefaultInstance?: boolean;\n }\n}\n\nexport const installedIntegrations: string[] = [];\n\n/** Map of integrations assigned to a client */\nexport type IntegrationIndex = {\n [key: string]: Integration;\n};\n\n/**\n * Remove duplicates from the given array, preferring the last instance of any duplicate. Not guaranteed to\n * preseve the order of integrations in the array.\n *\n * @private\n */\nfunction filterDuplicates(integrations: Integration[]): Integration[] {\n const integrationsByName: { [key: string]: Integration } = {};\n\n integrations.forEach(currentInstance => {\n const { name } = currentInstance;\n\n const existingInstance = integrationsByName[name];\n\n // We want integrations later in the array to overwrite earlier ones of the same type, except that we never want a\n // default instance to overwrite an existing user instance\n if (existingInstance && !existingInstance.isDefaultInstance && currentInstance.isDefaultInstance) {\n return;\n }\n\n integrationsByName[name] = currentInstance;\n });\n\n return Object.keys(integrationsByName).map(k => integrationsByName[k]);\n}\n\n/** Gets integrations to install */\nexport function getIntegrationsToSetup(options: Pick): Integration[] {\n const defaultIntegrations = options.defaultIntegrations || [];\n const userIntegrations = options.integrations;\n\n // We flag default instances, so that later we can tell them apart from any user-created instances of the same class\n defaultIntegrations.forEach(integration => {\n integration.isDefaultInstance = true;\n });\n\n let integrations: Integration[];\n\n if (Array.isArray(userIntegrations)) {\n integrations = [...defaultIntegrations, ...userIntegrations];\n } else if (typeof userIntegrations === 'function') {\n integrations = arrayify(userIntegrations(defaultIntegrations));\n } else {\n integrations = defaultIntegrations;\n }\n\n const finalIntegrations = filterDuplicates(integrations);\n\n // The `Debug` integration prints copies of the `event` and `hint` which will be passed to `beforeSend` or\n // `beforeSendTransaction`. It therefore has to run after all other integrations, so that the changes of all event\n // processors will be reflected in the printed values. For lack of a more elegant way to guarantee that, we therefore\n // locate it and, assuming it exists, pop it out of its current spot and shove it onto the end of the array.\n const debugIndex = findIndex(finalIntegrations, integration => integration.name === 'Debug');\n if (debugIndex !== -1) {\n const [debugInstance] = finalIntegrations.splice(debugIndex, 1);\n finalIntegrations.push(debugInstance);\n }\n\n return finalIntegrations;\n}\n\n/**\n * Given a list of integration instances this installs them all. When `withDefaults` is set to `true` then all default\n * integrations are added unless they were already provided before.\n * @param integrations array of integration instances\n * @param withDefault should enable default integrations\n */\nexport function setupIntegrations(client: Client, integrations: Integration[]): IntegrationIndex {\n const integrationIndex: IntegrationIndex = {};\n\n integrations.forEach(integration => {\n // guard against empty provided integrations\n if (integration) {\n setupIntegration(client, integration, integrationIndex);\n }\n });\n\n return integrationIndex;\n}\n\n/**\n * Execute the `afterAllSetup` hooks of the given integrations.\n */\nexport function afterSetupIntegrations(client: Client, integrations: Integration[]): void {\n for (const integration of integrations) {\n // guard against empty provided integrations\n if (integration && integration.afterAllSetup) {\n integration.afterAllSetup(client);\n }\n }\n}\n\n/** Setup a single integration. */\nexport function setupIntegration(client: Client, integration: Integration, integrationIndex: IntegrationIndex): void {\n if (integrationIndex[integration.name]) {\n DEBUG_BUILD && logger.log(`Integration skipped because it was already installed: ${integration.name}`);\n return;\n }\n integrationIndex[integration.name] = integration;\n\n // `setupOnce` is only called the first time\n if (installedIntegrations.indexOf(integration.name) === -1) {\n // eslint-disable-next-line deprecation/deprecation\n integration.setupOnce(addGlobalEventProcessor, getCurrentHub);\n installedIntegrations.push(integration.name);\n }\n\n // `setup` is run for each client\n if (integration.setup && typeof integration.setup === 'function') {\n integration.setup(client);\n }\n\n if (client.on && typeof integration.preprocessEvent === 'function') {\n const callback = integration.preprocessEvent.bind(integration) as typeof integration.preprocessEvent;\n client.on('preprocessEvent', (event, hint) => callback(event, hint, client));\n }\n\n if (client.addEventProcessor && typeof integration.processEvent === 'function') {\n const callback = integration.processEvent.bind(integration) as typeof integration.processEvent;\n\n const processor = Object.assign((event: Event, hint: EventHint) => callback(event, hint, client), {\n id: integration.name,\n });\n\n client.addEventProcessor(processor);\n }\n\n DEBUG_BUILD && logger.log(`Integration installed: ${integration.name}`);\n}\n\n/** Add an integration to the current hub's client. */\nexport function addIntegration(integration: Integration): void {\n const client = getClient();\n\n if (!client || !client.addIntegration) {\n DEBUG_BUILD && logger.warn(`Cannot add integration \"${integration.name}\" because no SDK Client is available.`);\n return;\n }\n\n client.addIntegration(integration);\n}\n\n// Polyfill for Array.findIndex(), which is not supported in ES5\nfunction findIndex(arr: T[], callback: (item: T) => boolean): number {\n for (let i = 0; i < arr.length; i++) {\n if (callback(arr[i]) === true) {\n return i;\n }\n }\n\n return -1;\n}\n\n/**\n * Convert a new integration function to the legacy class syntax.\n * In v8, we can remove this and instead export the integration functions directly.\n *\n * @deprecated This will be removed in v8!\n */\nexport function convertIntegrationFnToClass(\n name: string,\n fn: Fn,\n): IntegrationClass {\n return Object.assign(\n function ConvertedIntegration(...args: Parameters): Integration {\n return fn(...args);\n },\n { id: name },\n ) as unknown as IntegrationClass;\n}\n\n/**\n * Define an integration function that can be used to create an integration instance.\n * Note that this by design hides the implementation details of the integration, as they are considered internal.\n */\nexport function defineIntegration(fn: Fn): (...args: Parameters) => IntegrationFnResult {\n return fn;\n}\n","/* eslint-disable max-lines */\nimport type {\n Attachment,\n Breadcrumb,\n CaptureContext,\n Client,\n Context,\n Contexts,\n Event,\n EventHint,\n EventProcessor,\n Extra,\n Extras,\n Primitive,\n PropagationContext,\n RequestSession,\n Scope as ScopeInterface,\n ScopeContext,\n ScopeData,\n Session,\n Severity,\n SeverityLevel,\n Span,\n Transaction,\n User,\n} from '@sentry/types';\nimport { dateTimestampInSeconds, isPlainObject, logger, uuid4 } from '@sentry/utils';\n\nimport { getGlobalEventProcessors, notifyEventProcessors } from './eventProcessors';\nimport { updateSession } from './session';\nimport { applyScopeDataToEvent } from './utils/applyScopeDataToEvent';\n\n/**\n * Default value for maximum number of breadcrumbs added to an event.\n */\nconst DEFAULT_MAX_BREADCRUMBS = 100;\n\n/**\n * The global scope is kept in this module.\n * When accessing this via `getGlobalScope()` we'll make sure to set one if none is currently present.\n */\nlet globalScope: ScopeInterface | undefined;\n\n/**\n * Holds additional event information. {@link Scope.applyToEvent} will be\n * called by the client before an event will be sent.\n */\nexport class Scope implements ScopeInterface {\n /** Flag if notifying is happening. */\n protected _notifyingListeners: boolean;\n\n /** Callback for client to receive scope changes. */\n protected _scopeListeners: Array<(scope: Scope) => void>;\n\n /** Callback list that will be called after {@link applyToEvent}. */\n protected _eventProcessors: EventProcessor[];\n\n /** Array of breadcrumbs. */\n protected _breadcrumbs: Breadcrumb[];\n\n /** User */\n protected _user: User;\n\n /** Tags */\n protected _tags: { [key: string]: Primitive };\n\n /** Extra */\n protected _extra: Extras;\n\n /** Contexts */\n protected _contexts: Contexts;\n\n /** Attachments */\n protected _attachments: Attachment[];\n\n /** Propagation Context for distributed tracing */\n protected _propagationContext: PropagationContext;\n\n /**\n * A place to stash data which is needed at some point in the SDK's event processing pipeline but which shouldn't get\n * sent to Sentry\n */\n protected _sdkProcessingMetadata: { [key: string]: unknown };\n\n /** Fingerprint */\n protected _fingerprint?: string[];\n\n /** Severity */\n // eslint-disable-next-line deprecation/deprecation\n protected _level?: Severity | SeverityLevel;\n\n /**\n * Transaction Name\n */\n protected _transactionName?: string;\n\n /** Span */\n protected _span?: Span;\n\n /** Session */\n protected _session?: Session;\n\n /** Request Mode Session Status */\n protected _requestSession?: RequestSession;\n\n /** The client on this scope */\n protected _client?: Client;\n\n // NOTE: Any field which gets added here should get added not only to the constructor but also to the `clone` method.\n\n public constructor() {\n this._notifyingListeners = false;\n this._scopeListeners = [];\n this._eventProcessors = [];\n this._breadcrumbs = [];\n this._attachments = [];\n this._user = {};\n this._tags = {};\n this._extra = {};\n this._contexts = {};\n this._sdkProcessingMetadata = {};\n this._propagationContext = generatePropagationContext();\n }\n\n /**\n * Inherit values from the parent scope.\n * @deprecated Use `scope.clone()` and `new Scope()` instead.\n */\n public static clone(scope?: Scope): Scope {\n return scope ? scope.clone() : new Scope();\n }\n\n /**\n * Clone this scope instance.\n */\n public clone(): Scope {\n const newScope = new Scope();\n newScope._breadcrumbs = [...this._breadcrumbs];\n newScope._tags = { ...this._tags };\n newScope._extra = { ...this._extra };\n newScope._contexts = { ...this._contexts };\n newScope._user = this._user;\n newScope._level = this._level;\n newScope._span = this._span;\n newScope._session = this._session;\n newScope._transactionName = this._transactionName;\n newScope._fingerprint = this._fingerprint;\n newScope._eventProcessors = [...this._eventProcessors];\n newScope._requestSession = this._requestSession;\n newScope._attachments = [...this._attachments];\n newScope._sdkProcessingMetadata = { ...this._sdkProcessingMetadata };\n newScope._propagationContext = { ...this._propagationContext };\n newScope._client = this._client;\n\n return newScope;\n }\n\n /** Update the client on the scope. */\n public setClient(client: Client | undefined): void {\n this._client = client;\n }\n\n /**\n * Get the client assigned to this scope.\n *\n * It is generally recommended to use the global function `Sentry.getClient()` instead, unless you know what you are doing.\n */\n public getClient(): Client | undefined {\n return this._client;\n }\n\n /**\n * Add internal on change listener. Used for sub SDKs that need to store the scope.\n * @hidden\n */\n public addScopeListener(callback: (scope: Scope) => void): void {\n this._scopeListeners.push(callback);\n }\n\n /**\n * @inheritDoc\n */\n public addEventProcessor(callback: EventProcessor): this {\n this._eventProcessors.push(callback);\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setUser(user: User | null): this {\n // If null is passed we want to unset everything, but still define keys,\n // so that later down in the pipeline any existing values are cleared.\n this._user = user || {\n email: undefined,\n id: undefined,\n ip_address: undefined,\n segment: undefined,\n username: undefined,\n };\n\n if (this._session) {\n updateSession(this._session, { user });\n }\n\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public getUser(): User | undefined {\n return this._user;\n }\n\n /**\n * @inheritDoc\n */\n public getRequestSession(): RequestSession | undefined {\n return this._requestSession;\n }\n\n /**\n * @inheritDoc\n */\n public setRequestSession(requestSession?: RequestSession): this {\n this._requestSession = requestSession;\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setTags(tags: { [key: string]: Primitive }): this {\n this._tags = {\n ...this._tags,\n ...tags,\n };\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setTag(key: string, value: Primitive): this {\n this._tags = { ...this._tags, [key]: value };\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setExtras(extras: Extras): this {\n this._extra = {\n ...this._extra,\n ...extras,\n };\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setExtra(key: string, extra: Extra): this {\n this._extra = { ...this._extra, [key]: extra };\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setFingerprint(fingerprint: string[]): this {\n this._fingerprint = fingerprint;\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setLevel(\n // eslint-disable-next-line deprecation/deprecation\n level: Severity | SeverityLevel,\n ): this {\n this._level = level;\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * Sets the transaction name on the scope for future events.\n */\n public setTransactionName(name?: string): this {\n this._transactionName = name;\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setContext(key: string, context: Context | null): this {\n if (context === null) {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete this._contexts[key];\n } else {\n this._contexts[key] = context;\n }\n\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * Sets the Span on the scope.\n * @param span Span\n * @deprecated Instead of setting a span on a scope, use `startSpan()`/`startSpanManual()` instead.\n */\n public setSpan(span?: Span): this {\n this._span = span;\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * Returns the `Span` if there is one.\n * @deprecated Use `getActiveSpan()` instead.\n */\n public getSpan(): Span | undefined {\n return this._span;\n }\n\n /**\n * Returns the `Transaction` attached to the scope (if there is one).\n * @deprecated You should not rely on the transaction, but just use `startSpan()` APIs instead.\n */\n public getTransaction(): Transaction | undefined {\n // Often, this span (if it exists at all) will be a transaction, but it's not guaranteed to be. Regardless, it will\n // have a pointer to the currently-active transaction.\n const span = this._span;\n // Cannot replace with getRootSpan because getRootSpan returns a span, not a transaction\n // Also, this method will be removed anyway.\n // eslint-disable-next-line deprecation/deprecation\n return span && span.transaction;\n }\n\n /**\n * @inheritDoc\n */\n public setSession(session?: Session): this {\n if (!session) {\n delete this._session;\n } else {\n this._session = session;\n }\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public getSession(): Session | undefined {\n return this._session;\n }\n\n /**\n * @inheritDoc\n */\n public update(captureContext?: CaptureContext): this {\n if (!captureContext) {\n return this;\n }\n\n const scopeToMerge = typeof captureContext === 'function' ? captureContext(this) : captureContext;\n\n if (scopeToMerge instanceof Scope) {\n const scopeData = scopeToMerge.getScopeData();\n\n this._tags = { ...this._tags, ...scopeData.tags };\n this._extra = { ...this._extra, ...scopeData.extra };\n this._contexts = { ...this._contexts, ...scopeData.contexts };\n if (scopeData.user && Object.keys(scopeData.user).length) {\n this._user = scopeData.user;\n }\n if (scopeData.level) {\n this._level = scopeData.level;\n }\n if (scopeData.fingerprint.length) {\n this._fingerprint = scopeData.fingerprint;\n }\n if (scopeToMerge.getRequestSession()) {\n this._requestSession = scopeToMerge.getRequestSession();\n }\n if (scopeData.propagationContext) {\n this._propagationContext = scopeData.propagationContext;\n }\n } else if (isPlainObject(scopeToMerge)) {\n const scopeContext = captureContext as ScopeContext;\n this._tags = { ...this._tags, ...scopeContext.tags };\n this._extra = { ...this._extra, ...scopeContext.extra };\n this._contexts = { ...this._contexts, ...scopeContext.contexts };\n if (scopeContext.user) {\n this._user = scopeContext.user;\n }\n if (scopeContext.level) {\n this._level = scopeContext.level;\n }\n if (scopeContext.fingerprint) {\n this._fingerprint = scopeContext.fingerprint;\n }\n if (scopeContext.requestSession) {\n this._requestSession = scopeContext.requestSession;\n }\n if (scopeContext.propagationContext) {\n this._propagationContext = scopeContext.propagationContext;\n }\n }\n\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public clear(): this {\n this._breadcrumbs = [];\n this._tags = {};\n this._extra = {};\n this._user = {};\n this._contexts = {};\n this._level = undefined;\n this._transactionName = undefined;\n this._fingerprint = undefined;\n this._requestSession = undefined;\n this._span = undefined;\n this._session = undefined;\n this._notifyScopeListeners();\n this._attachments = [];\n this._propagationContext = generatePropagationContext();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public addBreadcrumb(breadcrumb: Breadcrumb, maxBreadcrumbs?: number): this {\n const maxCrumbs = typeof maxBreadcrumbs === 'number' ? maxBreadcrumbs : DEFAULT_MAX_BREADCRUMBS;\n\n // No data has been changed, so don't notify scope listeners\n if (maxCrumbs <= 0) {\n return this;\n }\n\n const mergedBreadcrumb = {\n timestamp: dateTimestampInSeconds(),\n ...breadcrumb,\n };\n\n const breadcrumbs = this._breadcrumbs;\n breadcrumbs.push(mergedBreadcrumb);\n this._breadcrumbs = breadcrumbs.length > maxCrumbs ? breadcrumbs.slice(-maxCrumbs) : breadcrumbs;\n\n this._notifyScopeListeners();\n\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public getLastBreadcrumb(): Breadcrumb | undefined {\n return this._breadcrumbs[this._breadcrumbs.length - 1];\n }\n\n /**\n * @inheritDoc\n */\n public clearBreadcrumbs(): this {\n this._breadcrumbs = [];\n this._notifyScopeListeners();\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public addAttachment(attachment: Attachment): this {\n this._attachments.push(attachment);\n return this;\n }\n\n /**\n * @inheritDoc\n * @deprecated Use `getScopeData()` instead.\n */\n public getAttachments(): Attachment[] {\n const data = this.getScopeData();\n\n return data.attachments;\n }\n\n /**\n * @inheritDoc\n */\n public clearAttachments(): this {\n this._attachments = [];\n return this;\n }\n\n /** @inheritDoc */\n public getScopeData(): ScopeData {\n const {\n _breadcrumbs,\n _attachments,\n _contexts,\n _tags,\n _extra,\n _user,\n _level,\n _fingerprint,\n _eventProcessors,\n _propagationContext,\n _sdkProcessingMetadata,\n _transactionName,\n _span,\n } = this;\n\n return {\n breadcrumbs: _breadcrumbs,\n attachments: _attachments,\n contexts: _contexts,\n tags: _tags,\n extra: _extra,\n user: _user,\n level: _level,\n fingerprint: _fingerprint || [],\n eventProcessors: _eventProcessors,\n propagationContext: _propagationContext,\n sdkProcessingMetadata: _sdkProcessingMetadata,\n transactionName: _transactionName,\n span: _span,\n };\n }\n\n /**\n * Applies data from the scope to the event and runs all event processors on it.\n *\n * @param event Event\n * @param hint Object containing additional information about the original exception, for use by the event processors.\n * @hidden\n * @deprecated Use `applyScopeDataToEvent()` directly\n */\n public applyToEvent(\n event: Event,\n hint: EventHint = {},\n additionalEventProcessors: EventProcessor[] = [],\n ): PromiseLike {\n applyScopeDataToEvent(event, this.getScopeData());\n\n // TODO (v8): Update this order to be: Global > Client > Scope\n const eventProcessors: EventProcessor[] = [\n ...additionalEventProcessors,\n // eslint-disable-next-line deprecation/deprecation\n ...getGlobalEventProcessors(),\n ...this._eventProcessors,\n ];\n\n return notifyEventProcessors(eventProcessors, event, hint);\n }\n\n /**\n * Add data which will be accessible during event processing but won't get sent to Sentry\n */\n public setSDKProcessingMetadata(newData: { [key: string]: unknown }): this {\n this._sdkProcessingMetadata = { ...this._sdkProcessingMetadata, ...newData };\n\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public setPropagationContext(context: PropagationContext): this {\n this._propagationContext = context;\n return this;\n }\n\n /**\n * @inheritDoc\n */\n public getPropagationContext(): PropagationContext {\n return this._propagationContext;\n }\n\n /**\n * Capture an exception for this scope.\n *\n * @param exception The exception to capture.\n * @param hint Optinal additional data to attach to the Sentry event.\n * @returns the id of the captured Sentry event.\n */\n public captureException(exception: unknown, hint?: EventHint): string {\n const eventId = hint && hint.event_id ? hint.event_id : uuid4();\n\n if (!this._client) {\n logger.warn('No client configured on scope - will not capture exception!');\n return eventId;\n }\n\n const syntheticException = new Error('Sentry syntheticException');\n\n this._client.captureException(\n exception,\n {\n originalException: exception,\n syntheticException,\n ...hint,\n event_id: eventId,\n },\n this,\n );\n\n return eventId;\n }\n\n /**\n * Capture a message for this scope.\n *\n * @param message The message to capture.\n * @param level An optional severity level to report the message with.\n * @param hint Optional additional data to attach to the Sentry event.\n * @returns the id of the captured message.\n */\n public captureMessage(message: string, level?: SeverityLevel, hint?: EventHint): string {\n const eventId = hint && hint.event_id ? hint.event_id : uuid4();\n\n if (!this._client) {\n logger.warn('No client configured on scope - will not capture message!');\n return eventId;\n }\n\n const syntheticException = new Error(message);\n\n this._client.captureMessage(\n message,\n level,\n {\n originalException: message,\n syntheticException,\n ...hint,\n event_id: eventId,\n },\n this,\n );\n\n return eventId;\n }\n\n /**\n * Captures a manually created event for this scope and sends it to Sentry.\n *\n * @param exception The event to capture.\n * @param hint Optional additional data to attach to the Sentry event.\n * @returns the id of the captured event.\n */\n public captureEvent(event: Event, hint?: EventHint): string {\n const eventId = hint && hint.event_id ? hint.event_id : uuid4();\n\n if (!this._client) {\n logger.warn('No client configured on scope - will not capture event!');\n return eventId;\n }\n\n this._client.captureEvent(event, { ...hint, event_id: eventId }, this);\n\n return eventId;\n }\n\n /**\n * This will be called on every set call.\n */\n protected _notifyScopeListeners(): void {\n // We need this check for this._notifyingListeners to be able to work on scope during updates\n // If this check is not here we'll produce endless recursion when something is done with the scope\n // during the callback.\n if (!this._notifyingListeners) {\n this._notifyingListeners = true;\n this._scopeListeners.forEach(callback => {\n callback(this);\n });\n this._notifyingListeners = false;\n }\n }\n}\n\n/**\n * Get the global scope.\n * This scope is applied to _all_ events.\n */\nexport function getGlobalScope(): ScopeInterface {\n if (!globalScope) {\n globalScope = new Scope();\n }\n\n return globalScope;\n}\n\n/**\n * This is mainly needed for tests.\n * DO NOT USE this, as this is an internal API and subject to change.\n * @hidden\n */\nexport function setGlobalScope(scope: ScopeInterface | undefined): void {\n globalScope = scope;\n}\n\nfunction generatePropagationContext(): PropagationContext {\n return {\n traceId: uuid4(),\n spanId: uuid4().substring(16),\n };\n}\n","/**\n * Use this attribute to represent the source of a span.\n * Should be one of: custom, url, route, view, component, task, unknown\n *\n */\nexport const SEMANTIC_ATTRIBUTE_SENTRY_SOURCE = 'sentry.source';\n\n/**\n * Use this attribute to represent the sample rate used for a span.\n */\nexport const SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE = 'sentry.sample_rate';\n\n/**\n * Use this attribute to represent the operation of a span.\n */\nexport const SEMANTIC_ATTRIBUTE_SENTRY_OP = 'sentry.op';\n\n/**\n * Use this attribute to represent the origin of a span.\n */\nexport const SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN = 'sentry.origin';\n\n/**\n * The id of the profile that this span occured in.\n */\nexport const SEMANTIC_ATTRIBUTE_PROFILE_ID = 'profile_id';\n","import type { SerializedSession, Session, SessionContext, SessionStatus } from '@sentry/types';\nimport { dropUndefinedKeys, timestampInSeconds, uuid4 } from '@sentry/utils';\n/**\n * Creates a new `Session` object by setting certain default parameters. If optional @param context\n * is passed, the passed properties are applied to the session object.\n *\n * @param context (optional) additional properties to be applied to the returned session object\n *\n * @returns a new `Session` object\n */\nexport function makeSession(context?: Omit): Session {\n // Both timestamp and started are in seconds since the UNIX epoch.\n const startingTime = timestampInSeconds();\n\n const session: Session = {\n sid: uuid4(),\n init: true,\n timestamp: startingTime,\n started: startingTime,\n duration: 0,\n status: 'ok',\n errors: 0,\n ignoreDuration: false,\n toJSON: () => sessionToJSON(session),\n };\n\n if (context) {\n updateSession(session, context);\n }\n\n return session;\n}\n\n/**\n * Updates a session object with the properties passed in the context.\n *\n * Note that this function mutates the passed object and returns void.\n * (Had to do this instead of returning a new and updated session because closing and sending a session\n * makes an update to the session after it was passed to the sending logic.\n * @see BaseClient.captureSession )\n *\n * @param session the `Session` to update\n * @param context the `SessionContext` holding the properties that should be updated in @param session\n */\n// eslint-disable-next-line complexity\nexport function updateSession(session: Session, context: SessionContext = {}): void {\n if (context.user) {\n if (!session.ipAddress && context.user.ip_address) {\n session.ipAddress = context.user.ip_address;\n }\n\n if (!session.did && !context.did) {\n session.did = context.user.id || context.user.email || context.user.username;\n }\n }\n\n session.timestamp = context.timestamp || timestampInSeconds();\n\n if (context.abnormal_mechanism) {\n session.abnormal_mechanism = context.abnormal_mechanism;\n }\n\n if (context.ignoreDuration) {\n session.ignoreDuration = context.ignoreDuration;\n }\n if (context.sid) {\n // Good enough uuid validation. — Kamil\n session.sid = context.sid.length === 32 ? context.sid : uuid4();\n }\n if (context.init !== undefined) {\n session.init = context.init;\n }\n if (!session.did && context.did) {\n session.did = `${context.did}`;\n }\n if (typeof context.started === 'number') {\n session.started = context.started;\n }\n if (session.ignoreDuration) {\n session.duration = undefined;\n } else if (typeof context.duration === 'number') {\n session.duration = context.duration;\n } else {\n const duration = session.timestamp - session.started;\n session.duration = duration >= 0 ? duration : 0;\n }\n if (context.release) {\n session.release = context.release;\n }\n if (context.environment) {\n session.environment = context.environment;\n }\n if (!session.ipAddress && context.ipAddress) {\n session.ipAddress = context.ipAddress;\n }\n if (!session.userAgent && context.userAgent) {\n session.userAgent = context.userAgent;\n }\n if (typeof context.errors === 'number') {\n session.errors = context.errors;\n }\n if (context.status) {\n session.status = context.status;\n }\n}\n\n/**\n * Closes a session by setting its status and updating the session object with it.\n * Internally calls `updateSession` to update the passed session object.\n *\n * Note that this function mutates the passed session (@see updateSession for explanation).\n *\n * @param session the `Session` object to be closed\n * @param status the `SessionStatus` with which the session was closed. If you don't pass a status,\n * this function will keep the previously set status, unless it was `'ok'` in which case\n * it is changed to `'exited'`.\n */\nexport function closeSession(session: Session, status?: Exclude): void {\n let context = {};\n if (status) {\n context = { status };\n } else if (session.status === 'ok') {\n context = { status: 'exited' };\n }\n\n updateSession(session, context);\n}\n\n/**\n * Serializes a passed session object to a JSON object with a slightly different structure.\n * This is necessary because the Sentry backend requires a slightly different schema of a session\n * than the one the JS SDKs use internally.\n *\n * @param session the session to be converted\n *\n * @returns a JSON object of the passed session\n */\nfunction sessionToJSON(session: Session): SerializedSession {\n return dropUndefinedKeys({\n sid: `${session.sid}`,\n init: session.init,\n // Make sure that sec is converted to ms for date constructor\n started: new Date(session.started * 1000).toISOString(),\n timestamp: new Date(session.timestamp * 1000).toISOString(),\n status: session.status,\n errors: session.errors,\n did: typeof session.did === 'number' || typeof session.did === 'string' ? `${session.did}` : undefined,\n duration: session.duration,\n abnormal_mechanism: session.abnormal_mechanism,\n attrs: {\n release: session.release,\n environment: session.environment,\n ip_address: session.ipAddress,\n user_agent: session.userAgent,\n },\n });\n}\n","import type { Client, DynamicSamplingContext, Scope, Span, Transaction } from '@sentry/types';\nimport { dropUndefinedKeys } from '@sentry/utils';\n\nimport { DEFAULT_ENVIRONMENT } from '../constants';\nimport { getClient, getCurrentScope } from '../exports';\nimport { getRootSpan } from '../utils/getRootSpan';\nimport { spanIsSampled, spanToJSON } from '../utils/spanUtils';\n\n/**\n * Creates a dynamic sampling context from a client.\n *\n * Dispatches the `createDsc` lifecycle hook as a side effect.\n */\nexport function getDynamicSamplingContextFromClient(\n trace_id: string,\n client: Client,\n scope?: Scope,\n): DynamicSamplingContext {\n const options = client.getOptions();\n\n const { publicKey: public_key } = client.getDsn() || {};\n // TODO(v8): Remove segment from User\n // eslint-disable-next-line deprecation/deprecation\n const { segment: user_segment } = (scope && scope.getUser()) || {};\n\n const dsc = dropUndefinedKeys({\n environment: options.environment || DEFAULT_ENVIRONMENT,\n release: options.release,\n user_segment,\n public_key,\n trace_id,\n }) as DynamicSamplingContext;\n\n client.emit && client.emit('createDsc', dsc);\n\n return dsc;\n}\n\n/**\n * A Span with a frozen dynamic sampling context.\n */\ntype TransactionWithV7FrozenDsc = Transaction & { _frozenDynamicSamplingContext?: DynamicSamplingContext };\n\n/**\n * Creates a dynamic sampling context from a span (and client and scope)\n *\n * @param span the span from which a few values like the root span name and sample rate are extracted.\n *\n * @returns a dynamic sampling context\n */\nexport function getDynamicSamplingContextFromSpan(span: Span): Readonly> {\n const client = getClient();\n if (!client) {\n return {};\n }\n\n // passing emit=false here to only emit later once the DSC is actually populated\n const dsc = getDynamicSamplingContextFromClient(spanToJSON(span).trace_id || '', client, getCurrentScope());\n\n // TODO (v8): Remove v7FrozenDsc as a Transaction will no longer have _frozenDynamicSamplingContext\n const txn = getRootSpan(span) as TransactionWithV7FrozenDsc | undefined;\n if (!txn) {\n return dsc;\n }\n\n // TODO (v8): Remove v7FrozenDsc as a Transaction will no longer have _frozenDynamicSamplingContext\n // For now we need to avoid breaking users who directly created a txn with a DSC, where this field is still set.\n // @see Transaction class constructor\n const v7FrozenDsc = txn && txn._frozenDynamicSamplingContext;\n if (v7FrozenDsc) {\n return v7FrozenDsc;\n }\n\n // TODO (v8): Replace txn.metadata with txn.attributes[]\n // We can't do this yet because attributes aren't always set yet.\n // eslint-disable-next-line deprecation/deprecation\n const { sampleRate: maybeSampleRate, source } = txn.metadata;\n if (maybeSampleRate != null) {\n dsc.sample_rate = `${maybeSampleRate}`;\n }\n\n // We don't want to have a transaction name in the DSC if the source is \"url\" because URLs might contain PII\n const jsonSpan = spanToJSON(txn);\n\n // after JSON conversion, txn.name becomes jsonSpan.description\n if (source && source !== 'url') {\n dsc.transaction = jsonSpan.description;\n }\n\n dsc.sampled = String(spanIsSampled(txn));\n\n client.emit && client.emit('createDsc', dsc);\n\n return dsc;\n}\n","import type { MeasurementUnit } from '@sentry/types';\n\nimport { getActiveTransaction } from './utils';\n\n/**\n * Adds a measurement to the current active transaction.\n */\nexport function setMeasurement(name: string, value: number, unit: MeasurementUnit): void {\n // eslint-disable-next-line deprecation/deprecation\n const transaction = getActiveTransaction();\n if (transaction) {\n // eslint-disable-next-line deprecation/deprecation\n transaction.setMeasurement(name, value, unit);\n }\n}\n","import type { Scope, Span, SpanTimeInput, StartSpanOptions, TransactionContext } from '@sentry/types';\n\nimport { addNonEnumerableProperty, dropUndefinedKeys, logger, tracingContextFromHeaders } from '@sentry/utils';\nimport { getDynamicSamplingContextFromSpan } from '.';\n\nimport { DEBUG_BUILD } from '../debug-build';\nimport { getCurrentScope, withScope } from '../exports';\nimport type { Hub } from '../hub';\nimport { runWithAsyncContext } from '../hub';\nimport { getIsolationScope } from '../hub';\nimport { getCurrentHub } from '../hub';\nimport type { Scope as ScopeClass } from '../scope';\nimport { handleCallbackErrors } from '../utils/handleCallbackErrors';\nimport { hasTracingEnabled } from '../utils/hasTracingEnabled';\nimport { spanIsSampled, spanTimeInputToSeconds, spanToJSON } from '../utils/spanUtils';\n\n/**\n * Wraps a function with a transaction/span and finishes the span after the function is done.\n *\n * Note that if you have not enabled tracing extensions via `addTracingExtensions`\n * or you didn't set `tracesSampleRate`, this function will not generate spans\n * and the `span` returned from the callback will be undefined.\n *\n * This function is meant to be used internally and may break at any time. Use at your own risk.\n *\n * @internal\n * @private\n *\n * @deprecated Use `startSpan` instead.\n */\nexport function trace(\n context: TransactionContext,\n callback: (span?: Span) => T,\n // eslint-disable-next-line @typescript-eslint/no-empty-function\n onError: (error: unknown, span?: Span) => void = () => {},\n // eslint-disable-next-line @typescript-eslint/no-empty-function\n afterFinish: () => void = () => {},\n): T {\n // eslint-disable-next-line deprecation/deprecation\n const hub = getCurrentHub();\n const scope = getCurrentScope();\n // eslint-disable-next-line deprecation/deprecation\n const parentSpan = scope.getSpan();\n\n const spanContext = normalizeContext(context);\n const activeSpan = createChildSpanOrTransaction(hub, {\n parentSpan,\n spanContext,\n forceTransaction: false,\n scope,\n });\n\n // eslint-disable-next-line deprecation/deprecation\n scope.setSpan(activeSpan);\n\n return handleCallbackErrors(\n () => callback(activeSpan),\n error => {\n activeSpan && activeSpan.setStatus('internal_error');\n onError(error, activeSpan);\n },\n () => {\n activeSpan && activeSpan.end();\n // eslint-disable-next-line deprecation/deprecation\n scope.setSpan(parentSpan);\n afterFinish();\n },\n );\n}\n\n/**\n * Wraps a function with a transaction/span and finishes the span after the function is done.\n * The created span is the active span and will be used as parent by other spans created inside the function\n * and can be accessed via `Sentry.getSpan()`, as long as the function is executed while the scope is active.\n *\n * If you want to create a span that is not set as active, use {@link startInactiveSpan}.\n *\n * Note that if you have not enabled tracing extensions via `addTracingExtensions`\n * or you didn't set `tracesSampleRate`, this function will not generate spans\n * and the `span` returned from the callback will be undefined.\n */\nexport function startSpan(context: StartSpanOptions, callback: (span: Span | undefined) => T): T {\n const spanContext = normalizeContext(context);\n\n return runWithAsyncContext(() => {\n return withScope(context.scope, scope => {\n // eslint-disable-next-line deprecation/deprecation\n const hub = getCurrentHub();\n // eslint-disable-next-line deprecation/deprecation\n const parentSpan = scope.getSpan();\n\n const shouldSkipSpan = context.onlyIfParent && !parentSpan;\n const activeSpan = shouldSkipSpan\n ? undefined\n : createChildSpanOrTransaction(hub, {\n parentSpan,\n spanContext,\n forceTransaction: context.forceTransaction,\n scope,\n });\n\n return handleCallbackErrors(\n () => callback(activeSpan),\n () => {\n // Only update the span status if it hasn't been changed yet\n if (activeSpan) {\n const { status } = spanToJSON(activeSpan);\n if (!status || status === 'ok') {\n activeSpan.setStatus('internal_error');\n }\n }\n },\n () => activeSpan && activeSpan.end(),\n );\n });\n });\n}\n\n/**\n * @deprecated Use {@link startSpan} instead.\n */\nexport const startActiveSpan = startSpan;\n\n/**\n * Similar to `Sentry.startSpan`. Wraps a function with a transaction/span, but does not finish the span\n * after the function is done automatically. You'll have to call `span.end()` manually.\n *\n * The created span is the active span and will be used as parent by other spans created inside the function\n * and can be accessed via `Sentry.getActiveSpan()`, as long as the function is executed while the scope is active.\n *\n * Note that if you have not enabled tracing extensions via `addTracingExtensions`\n * or you didn't set `tracesSampleRate`, this function will not generate spans\n * and the `span` returned from the callback will be undefined.\n */\nexport function startSpanManual(\n context: StartSpanOptions,\n callback: (span: Span | undefined, finish: () => void) => T,\n): T {\n const spanContext = normalizeContext(context);\n\n return runWithAsyncContext(() => {\n return withScope(context.scope, scope => {\n // eslint-disable-next-line deprecation/deprecation\n const hub = getCurrentHub();\n // eslint-disable-next-line deprecation/deprecation\n const parentSpan = scope.getSpan();\n\n const shouldSkipSpan = context.onlyIfParent && !parentSpan;\n const activeSpan = shouldSkipSpan\n ? undefined\n : createChildSpanOrTransaction(hub, {\n parentSpan,\n spanContext,\n forceTransaction: context.forceTransaction,\n scope,\n });\n\n function finishAndSetSpan(): void {\n activeSpan && activeSpan.end();\n }\n\n return handleCallbackErrors(\n () => callback(activeSpan, finishAndSetSpan),\n () => {\n // Only update the span status if it hasn't been changed yet, and the span is not yet finished\n if (activeSpan && activeSpan.isRecording()) {\n const { status } = spanToJSON(activeSpan);\n if (!status || status === 'ok') {\n activeSpan.setStatus('internal_error');\n }\n }\n },\n );\n });\n });\n}\n\n/**\n * Creates a span. This span is not set as active, so will not get automatic instrumentation spans\n * as children or be able to be accessed via `Sentry.getSpan()`.\n *\n * If you want to create a span that is set as active, use {@link startSpan}.\n *\n * Note that if you have not enabled tracing extensions via `addTracingExtensions`\n * or you didn't set `tracesSampleRate` or `tracesSampler`, this function will not generate spans\n * and the `span` returned from the callback will be undefined.\n */\nexport function startInactiveSpan(context: StartSpanOptions): Span | undefined {\n if (!hasTracingEnabled()) {\n return undefined;\n }\n\n const spanContext = normalizeContext(context);\n // eslint-disable-next-line deprecation/deprecation\n const hub = getCurrentHub();\n const parentSpan = context.scope\n ? // eslint-disable-next-line deprecation/deprecation\n context.scope.getSpan()\n : getActiveSpan();\n\n const shouldSkipSpan = context.onlyIfParent && !parentSpan;\n\n if (shouldSkipSpan) {\n return undefined;\n }\n\n const scope = context.scope || getCurrentScope();\n\n // Even though we don't actually want to make this span active on the current scope,\n // we need to make it active on a temporary scope that we use for event processing\n // as otherwise, it won't pick the correct span for the event when processing it\n const temporaryScope = (scope as ScopeClass).clone();\n\n return createChildSpanOrTransaction(hub, {\n parentSpan,\n spanContext,\n forceTransaction: context.forceTransaction,\n scope: temporaryScope,\n });\n}\n\n/**\n * Returns the currently active span.\n */\nexport function getActiveSpan(): Span | undefined {\n // eslint-disable-next-line deprecation/deprecation\n return getCurrentScope().getSpan();\n}\n\ninterface ContinueTrace {\n /**\n * Continue a trace from `sentry-trace` and `baggage` values.\n * These values can be obtained from incoming request headers,\n * or in the browser from `` and `` HTML tags.\n *\n * @deprecated Use the version of this function taking a callback as second parameter instead:\n *\n * ```\n * Sentry.continueTrace(sentryTrace: '...', baggage: '...' }, () => {\n * // ...\n * })\n * ```\n *\n */\n ({\n sentryTrace,\n baggage,\n }: {\n // eslint-disable-next-line deprecation/deprecation\n sentryTrace: Parameters[0];\n // eslint-disable-next-line deprecation/deprecation\n baggage: Parameters[1];\n }): Partial;\n\n /**\n * Continue a trace from `sentry-trace` and `baggage` values.\n * These values can be obtained from incoming request headers, or in the browser from ``\n * and `` HTML tags.\n *\n * Spans started with `startSpan`, `startSpanManual` and `startInactiveSpan`, within the callback will automatically\n * be attached to the incoming trace.\n *\n * Deprecation notice: In the next major version of the SDK the provided callback will not receive a transaction\n * context argument.\n */\n (\n {\n sentryTrace,\n baggage,\n }: {\n // eslint-disable-next-line deprecation/deprecation\n sentryTrace: Parameters[0];\n // eslint-disable-next-line deprecation/deprecation\n baggage: Parameters[1];\n },\n // TODO(v8): Remove parameter from this callback.\n callback: (transactionContext: Partial) => V,\n ): V;\n}\n\nexport const continueTrace: ContinueTrace = (\n {\n sentryTrace,\n baggage,\n }: {\n // eslint-disable-next-line deprecation/deprecation\n sentryTrace: Parameters[0];\n // eslint-disable-next-line deprecation/deprecation\n baggage: Parameters[1];\n },\n callback?: (transactionContext: Partial) => V,\n): V | Partial => {\n // TODO(v8): Change this function so it doesn't do anything besides setting the propagation context on the current scope:\n /*\n return withScope((scope) => {\n const propagationContext = propagationContextFromHeaders(sentryTrace, baggage);\n scope.setPropagationContext(propagationContext);\n return callback();\n })\n */\n\n const currentScope = getCurrentScope();\n\n // eslint-disable-next-line deprecation/deprecation\n const { traceparentData, dynamicSamplingContext, propagationContext } = tracingContextFromHeaders(\n sentryTrace,\n baggage,\n );\n\n currentScope.setPropagationContext(propagationContext);\n\n if (DEBUG_BUILD && traceparentData) {\n logger.log(`[Tracing] Continuing trace ${traceparentData.traceId}.`);\n }\n\n const transactionContext: Partial = {\n ...traceparentData,\n metadata: dropUndefinedKeys({\n dynamicSamplingContext,\n }),\n };\n\n if (!callback) {\n return transactionContext;\n }\n\n return runWithAsyncContext(() => {\n return callback(transactionContext);\n });\n};\n\nfunction createChildSpanOrTransaction(\n // eslint-disable-next-line deprecation/deprecation\n hub: Hub,\n {\n parentSpan,\n spanContext,\n forceTransaction,\n scope,\n }: {\n parentSpan: Span | undefined;\n spanContext: TransactionContext;\n forceTransaction?: boolean;\n scope: Scope;\n },\n): Span | undefined {\n if (!hasTracingEnabled()) {\n return undefined;\n }\n\n const isolationScope = getIsolationScope();\n\n let span: Span | undefined;\n if (parentSpan && !forceTransaction) {\n // eslint-disable-next-line deprecation/deprecation\n span = parentSpan.startChild(spanContext);\n } else if (parentSpan) {\n // If we forced a transaction but have a parent span, make sure to continue from the parent span, not the scope\n const dsc = getDynamicSamplingContextFromSpan(parentSpan);\n const { traceId, spanId: parentSpanId } = parentSpan.spanContext();\n const sampled = spanIsSampled(parentSpan);\n\n // eslint-disable-next-line deprecation/deprecation\n span = hub.startTransaction({\n traceId,\n parentSpanId,\n parentSampled: sampled,\n ...spanContext,\n metadata: {\n dynamicSamplingContext: dsc,\n // eslint-disable-next-line deprecation/deprecation\n ...spanContext.metadata,\n },\n });\n } else {\n const { traceId, dsc, parentSpanId, sampled } = {\n ...isolationScope.getPropagationContext(),\n ...scope.getPropagationContext(),\n };\n\n // eslint-disable-next-line deprecation/deprecation\n span = hub.startTransaction({\n traceId,\n parentSpanId,\n parentSampled: sampled,\n ...spanContext,\n metadata: {\n dynamicSamplingContext: dsc,\n // eslint-disable-next-line deprecation/deprecation\n ...spanContext.metadata,\n },\n });\n }\n\n // We always set this as active span on the scope\n // In the case of this being an inactive span, we ensure to pass a detached scope in here in the first place\n // But by having this here, we can ensure that the lookup through `getCapturedScopesOnSpan` results in the correct scope & span combo\n // eslint-disable-next-line deprecation/deprecation\n scope.setSpan(span);\n\n setCapturedScopesOnSpan(span, scope, isolationScope);\n\n return span;\n}\n\n/**\n * This converts StartSpanOptions to TransactionContext.\n * For the most part (for now) we accept the same options,\n * but some of them need to be transformed.\n *\n * Eventually the StartSpanOptions will be more aligned with OpenTelemetry.\n */\nfunction normalizeContext(context: StartSpanOptions): TransactionContext {\n if (context.startTime) {\n const ctx: TransactionContext & { startTime?: SpanTimeInput } = { ...context };\n ctx.startTimestamp = spanTimeInputToSeconds(context.startTime);\n delete ctx.startTime;\n return ctx;\n }\n\n return context;\n}\n\nconst SCOPE_ON_START_SPAN_FIELD = '_sentryScope';\nconst ISOLATION_SCOPE_ON_START_SPAN_FIELD = '_sentryIsolationScope';\n\ntype SpanWithScopes = Span & {\n [SCOPE_ON_START_SPAN_FIELD]?: Scope;\n [ISOLATION_SCOPE_ON_START_SPAN_FIELD]?: Scope;\n};\n\nfunction setCapturedScopesOnSpan(span: Span | undefined, scope: Scope, isolationScope: Scope): void {\n if (span) {\n addNonEnumerableProperty(span, ISOLATION_SCOPE_ON_START_SPAN_FIELD, isolationScope);\n addNonEnumerableProperty(span, SCOPE_ON_START_SPAN_FIELD, scope);\n }\n}\n\n/**\n * Grabs the scope and isolation scope off a span that were active when the span was started.\n */\nexport function getCapturedScopesOnSpan(span: Span): { scope?: Scope; isolationScope?: Scope } {\n return {\n scope: (span as SpanWithScopes)[SCOPE_ON_START_SPAN_FIELD],\n isolationScope: (span as SpanWithScopes)[ISOLATION_SCOPE_ON_START_SPAN_FIELD],\n };\n}\n","import type { Transaction } from '@sentry/types';\nimport { extractTraceparentData as _extractTraceparentData } from '@sentry/utils';\n\nimport type { Hub } from '../hub';\nimport { getCurrentHub } from '../hub';\n\n/**\n * Grabs active transaction off scope.\n *\n * @deprecated You should not rely on the transaction, but just use `startSpan()` APIs instead.\n */\n// eslint-disable-next-line deprecation/deprecation\nexport function getActiveTransaction(maybeHub?: Hub): T | undefined {\n // eslint-disable-next-line deprecation/deprecation\n const hub = maybeHub || getCurrentHub();\n // eslint-disable-next-line deprecation/deprecation\n const scope = hub.getScope();\n // eslint-disable-next-line deprecation/deprecation\n return scope.getTransaction() as T | undefined;\n}\n\n// so it can be used in manual instrumentation without necessitating a hard dependency on @sentry/utils\nexport { stripUrlQueryAndFragment } from '@sentry/utils';\n\n/**\n * The `extractTraceparentData` function and `TRACEPARENT_REGEXP` constant used\n * to be declared in this file. It was later moved into `@sentry/utils` as part of a\n * move to remove `@sentry/tracing` dependencies from `@sentry/node` (`extractTraceparentData`\n * is the only tracing function used by `@sentry/node`).\n *\n * These exports are kept here for backwards compatability's sake.\n *\n * See https://github.com/getsentry/sentry-javascript/issues/4642 for more details.\n *\n * @deprecated Import this function from `@sentry/utils` instead\n */\nexport const extractTraceparentData = _extractTraceparentData;\n","import type { Breadcrumb, Event, ScopeData, Span } from '@sentry/types';\nimport { arrayify, dropUndefinedKeys } from '@sentry/utils';\nimport { getDynamicSamplingContextFromSpan } from '../tracing/dynamicSamplingContext';\nimport { getRootSpan } from './getRootSpan';\nimport { spanToJSON, spanToTraceContext } from './spanUtils';\n\n/**\n * Applies data from the scope to the event and runs all event processors on it.\n */\nexport function applyScopeDataToEvent(event: Event, data: ScopeData): void {\n const { fingerprint, span, breadcrumbs, sdkProcessingMetadata } = data;\n\n // Apply general data\n applyDataToEvent(event, data);\n\n // We want to set the trace context for normal events only if there isn't already\n // a trace context on the event. There is a product feature in place where we link\n // errors with transaction and it relies on that.\n if (span) {\n applySpanToEvent(event, span);\n }\n\n applyFingerprintToEvent(event, fingerprint);\n applyBreadcrumbsToEvent(event, breadcrumbs);\n applySdkMetadataToEvent(event, sdkProcessingMetadata);\n}\n\n/** Merge data of two scopes together. */\nexport function mergeScopeData(data: ScopeData, mergeData: ScopeData): void {\n const {\n extra,\n tags,\n user,\n contexts,\n level,\n sdkProcessingMetadata,\n breadcrumbs,\n fingerprint,\n eventProcessors,\n attachments,\n propagationContext,\n // eslint-disable-next-line deprecation/deprecation\n transactionName,\n span,\n } = mergeData;\n\n mergeAndOverwriteScopeData(data, 'extra', extra);\n mergeAndOverwriteScopeData(data, 'tags', tags);\n mergeAndOverwriteScopeData(data, 'user', user);\n mergeAndOverwriteScopeData(data, 'contexts', contexts);\n mergeAndOverwriteScopeData(data, 'sdkProcessingMetadata', sdkProcessingMetadata);\n\n if (level) {\n data.level = level;\n }\n\n if (transactionName) {\n // eslint-disable-next-line deprecation/deprecation\n data.transactionName = transactionName;\n }\n\n if (span) {\n data.span = span;\n }\n\n if (breadcrumbs.length) {\n data.breadcrumbs = [...data.breadcrumbs, ...breadcrumbs];\n }\n\n if (fingerprint.length) {\n data.fingerprint = [...data.fingerprint, ...fingerprint];\n }\n\n if (eventProcessors.length) {\n data.eventProcessors = [...data.eventProcessors, ...eventProcessors];\n }\n\n if (attachments.length) {\n data.attachments = [...data.attachments, ...attachments];\n }\n\n data.propagationContext = { ...data.propagationContext, ...propagationContext };\n}\n\n/**\n * Merges certain scope data. Undefined values will overwrite any existing values.\n * Exported only for tests.\n */\nexport function mergeAndOverwriteScopeData<\n Prop extends 'extra' | 'tags' | 'user' | 'contexts' | 'sdkProcessingMetadata',\n Data extends ScopeData,\n>(data: Data, prop: Prop, mergeVal: Data[Prop]): void {\n if (mergeVal && Object.keys(mergeVal).length) {\n // Clone object\n data[prop] = { ...data[prop] };\n for (const key in mergeVal) {\n if (Object.prototype.hasOwnProperty.call(mergeVal, key)) {\n data[prop][key] = mergeVal[key];\n }\n }\n }\n}\n\n/** Exported only for tests */\nexport function mergeArray(\n event: Event,\n prop: Prop,\n mergeVal: ScopeData[Prop],\n): void {\n const prevVal = event[prop];\n // If we are not merging any new values,\n // we only need to proceed if there was an empty array before (as we want to replace it with undefined)\n if (!mergeVal.length && (!prevVal || prevVal.length)) {\n return;\n }\n\n const merged = [...(prevVal || []), ...mergeVal] as ScopeData[Prop];\n event[prop] = merged.length ? merged : undefined;\n}\n\nfunction applyDataToEvent(event: Event, data: ScopeData): void {\n const {\n extra,\n tags,\n user,\n contexts,\n level,\n // eslint-disable-next-line deprecation/deprecation\n transactionName,\n } = data;\n\n const cleanedExtra = dropUndefinedKeys(extra);\n if (cleanedExtra && Object.keys(cleanedExtra).length) {\n event.extra = { ...cleanedExtra, ...event.extra };\n }\n\n const cleanedTags = dropUndefinedKeys(tags);\n if (cleanedTags && Object.keys(cleanedTags).length) {\n event.tags = { ...cleanedTags, ...event.tags };\n }\n\n const cleanedUser = dropUndefinedKeys(user);\n if (cleanedUser && Object.keys(cleanedUser).length) {\n event.user = { ...cleanedUser, ...event.user };\n }\n\n const cleanedContexts = dropUndefinedKeys(contexts);\n if (cleanedContexts && Object.keys(cleanedContexts).length) {\n event.contexts = { ...cleanedContexts, ...event.contexts };\n }\n\n if (level) {\n event.level = level;\n }\n\n if (transactionName) {\n event.transaction = transactionName;\n }\n}\n\nfunction applyBreadcrumbsToEvent(event: Event, breadcrumbs: Breadcrumb[]): void {\n const mergedBreadcrumbs = [...(event.breadcrumbs || []), ...breadcrumbs];\n event.breadcrumbs = mergedBreadcrumbs.length ? mergedBreadcrumbs : undefined;\n}\n\nfunction applySdkMetadataToEvent(event: Event, sdkProcessingMetadata: ScopeData['sdkProcessingMetadata']): void {\n event.sdkProcessingMetadata = {\n ...event.sdkProcessingMetadata,\n ...sdkProcessingMetadata,\n };\n}\n\nfunction applySpanToEvent(event: Event, span: Span): void {\n event.contexts = { trace: spanToTraceContext(span), ...event.contexts };\n const rootSpan = getRootSpan(span);\n if (rootSpan) {\n event.sdkProcessingMetadata = {\n dynamicSamplingContext: getDynamicSamplingContextFromSpan(span),\n ...event.sdkProcessingMetadata,\n };\n const transactionName = spanToJSON(rootSpan).description;\n if (transactionName) {\n event.tags = { transaction: transactionName, ...event.tags };\n }\n }\n}\n\n/**\n * Applies fingerprint from the scope to the event if there's one,\n * uses message if there's one instead or get rid of empty fingerprint\n */\nfunction applyFingerprintToEvent(event: Event, fingerprint: ScopeData['fingerprint'] | undefined): void {\n // Make sure it's an array first and we actually have something in place\n event.fingerprint = event.fingerprint ? arrayify(event.fingerprint) : [];\n\n // If we have something on the scope, then merge it with event\n if (fingerprint) {\n event.fingerprint = event.fingerprint.concat(fingerprint);\n }\n\n // If we have no data at all, remove empty array default\n if (event.fingerprint && !event.fingerprint.length) {\n delete event.fingerprint;\n }\n}\n","import type { Span } from '@sentry/types';\n\n/**\n * Returns the root span of a given span.\n *\n * As long as we use `Transaction`s internally, the returned root span\n * will be a `Transaction` but be aware that this might change in the future.\n *\n * If the given span has no root span or transaction, `undefined` is returned.\n */\nexport function getRootSpan(span: Span): Span | undefined {\n // TODO (v8): Remove this check and just return span\n // eslint-disable-next-line deprecation/deprecation\n return span.transaction;\n}\n","import type { Options } from '@sentry/types';\n\nimport { getClient } from '../exports';\n\n// Treeshakable guard to remove all code related to tracing\ndeclare const __SENTRY_TRACING__: boolean | undefined;\n\n/**\n * Determines if tracing is currently enabled.\n *\n * Tracing is enabled when at least one of `tracesSampleRate` and `tracesSampler` is defined in the SDK config.\n */\nexport function hasTracingEnabled(\n maybeOptions?: Pick | undefined,\n): boolean {\n if (typeof __SENTRY_TRACING__ === 'boolean' && !__SENTRY_TRACING__) {\n return false;\n }\n\n const client = getClient();\n const options = maybeOptions || (client && client.getOptions());\n return !!options && (options.enableTracing || 'tracesSampleRate' in options || 'tracesSampler' in options);\n}\n","import type {\n CaptureContext,\n Client,\n ClientOptions,\n Event,\n EventHint,\n Scope as ScopeInterface,\n ScopeContext,\n StackFrame,\n StackParser,\n} from '@sentry/types';\nimport { GLOBAL_OBJ, addExceptionMechanism, dateTimestampInSeconds, normalize, truncate, uuid4 } from '@sentry/utils';\n\nimport { DEFAULT_ENVIRONMENT } from '../constants';\nimport { getGlobalEventProcessors, notifyEventProcessors } from '../eventProcessors';\nimport { Scope, getGlobalScope } from '../scope';\nimport { applyScopeDataToEvent, mergeScopeData } from './applyScopeDataToEvent';\nimport { spanToJSON } from './spanUtils';\n\n/**\n * This type makes sure that we get either a CaptureContext, OR an EventHint.\n * It does not allow mixing them, which could lead to unexpected outcomes, e.g. this is disallowed:\n * { user: { id: '123' }, mechanism: { handled: false } }\n */\nexport type ExclusiveEventHintOrCaptureContext =\n | (CaptureContext & Partial<{ [key in keyof EventHint]: never }>)\n | (EventHint & Partial<{ [key in keyof ScopeContext]: never }>);\n\n/**\n * Adds common information to events.\n *\n * The information includes release and environment from `options`,\n * breadcrumbs and context (extra, tags and user) from the scope.\n *\n * Information that is already present in the event is never overwritten. For\n * nested objects, such as the context, keys are merged.\n *\n * Note: This also triggers callbacks for `addGlobalEventProcessor`, but not `beforeSend`.\n *\n * @param event The original event.\n * @param hint May contain additional information about the original exception.\n * @param scope A scope containing event metadata.\n * @returns A new event with more information.\n * @hidden\n */\nexport function prepareEvent(\n options: ClientOptions,\n event: Event,\n hint: EventHint,\n scope?: Scope,\n client?: Client,\n isolationScope?: Scope,\n): PromiseLike {\n const { normalizeDepth = 3, normalizeMaxBreadth = 1_000 } = options;\n const prepared: Event = {\n ...event,\n event_id: event.event_id || hint.event_id || uuid4(),\n timestamp: event.timestamp || dateTimestampInSeconds(),\n };\n const integrations = hint.integrations || options.integrations.map(i => i.name);\n\n applyClientOptions(prepared, options);\n applyIntegrationsMetadata(prepared, integrations);\n\n // Only put debug IDs onto frames for error events.\n if (event.type === undefined) {\n applyDebugIds(prepared, options.stackParser);\n }\n\n // If we have scope given to us, use it as the base for further modifications.\n // This allows us to prevent unnecessary copying of data if `captureContext` is not provided.\n const finalScope = getFinalScope(scope, hint.captureContext);\n\n if (hint.mechanism) {\n addExceptionMechanism(prepared, hint.mechanism);\n }\n\n const clientEventProcessors = client && client.getEventProcessors ? client.getEventProcessors() : [];\n\n // This should be the last thing called, since we want that\n // {@link Hub.addEventProcessor} gets the finished prepared event.\n // Merge scope data together\n const data = getGlobalScope().getScopeData();\n\n if (isolationScope) {\n const isolationData = isolationScope.getScopeData();\n mergeScopeData(data, isolationData);\n }\n\n if (finalScope) {\n const finalScopeData = finalScope.getScopeData();\n mergeScopeData(data, finalScopeData);\n }\n\n const attachments = [...(hint.attachments || []), ...data.attachments];\n if (attachments.length) {\n hint.attachments = attachments;\n }\n\n applyScopeDataToEvent(prepared, data);\n\n // TODO (v8): Update this order to be: Global > Client > Scope\n const eventProcessors = [\n ...clientEventProcessors,\n // eslint-disable-next-line deprecation/deprecation\n ...getGlobalEventProcessors(),\n // Run scope event processors _after_ all other processors\n ...data.eventProcessors,\n ];\n\n const result = notifyEventProcessors(eventProcessors, prepared, hint);\n\n return result.then(evt => {\n if (evt) {\n // We apply the debug_meta field only after all event processors have ran, so that if any event processors modified\n // file names (e.g.the RewriteFrames integration) the filename -> debug ID relationship isn't destroyed.\n // This should not cause any PII issues, since we're only moving data that is already on the event and not adding\n // any new data\n applyDebugMeta(evt);\n }\n\n if (typeof normalizeDepth === 'number' && normalizeDepth > 0) {\n return normalizeEvent(evt, normalizeDepth, normalizeMaxBreadth);\n }\n return evt;\n });\n}\n\n/**\n * Enhances event using the client configuration.\n * It takes care of all \"static\" values like environment, release and `dist`,\n * as well as truncating overly long values.\n * @param event event instance to be enhanced\n */\nfunction applyClientOptions(event: Event, options: ClientOptions): void {\n const { environment, release, dist, maxValueLength = 250 } = options;\n\n if (!('environment' in event)) {\n event.environment = 'environment' in options ? environment : DEFAULT_ENVIRONMENT;\n }\n\n if (event.release === undefined && release !== undefined) {\n event.release = release;\n }\n\n if (event.dist === undefined && dist !== undefined) {\n event.dist = dist;\n }\n\n if (event.message) {\n event.message = truncate(event.message, maxValueLength);\n }\n\n const exception = event.exception && event.exception.values && event.exception.values[0];\n if (exception && exception.value) {\n exception.value = truncate(exception.value, maxValueLength);\n }\n\n const request = event.request;\n if (request && request.url) {\n request.url = truncate(request.url, maxValueLength);\n }\n}\n\nconst debugIdStackParserCache = new WeakMap>();\n\n/**\n * Puts debug IDs into the stack frames of an error event.\n */\nexport function applyDebugIds(event: Event, stackParser: StackParser): void {\n const debugIdMap = GLOBAL_OBJ._sentryDebugIds;\n\n if (!debugIdMap) {\n return;\n }\n\n let debugIdStackFramesCache: Map;\n const cachedDebugIdStackFrameCache = debugIdStackParserCache.get(stackParser);\n if (cachedDebugIdStackFrameCache) {\n debugIdStackFramesCache = cachedDebugIdStackFrameCache;\n } else {\n debugIdStackFramesCache = new Map();\n debugIdStackParserCache.set(stackParser, debugIdStackFramesCache);\n }\n\n // Build a map of filename -> debug_id\n const filenameDebugIdMap = Object.keys(debugIdMap).reduce>((acc, debugIdStackTrace) => {\n let parsedStack: StackFrame[];\n const cachedParsedStack = debugIdStackFramesCache.get(debugIdStackTrace);\n if (cachedParsedStack) {\n parsedStack = cachedParsedStack;\n } else {\n parsedStack = stackParser(debugIdStackTrace);\n debugIdStackFramesCache.set(debugIdStackTrace, parsedStack);\n }\n\n for (let i = parsedStack.length - 1; i >= 0; i--) {\n const stackFrame = parsedStack[i];\n if (stackFrame.filename) {\n acc[stackFrame.filename] = debugIdMap[debugIdStackTrace];\n break;\n }\n }\n return acc;\n }, {});\n\n try {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n event!.exception!.values!.forEach(exception => {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n exception.stacktrace!.frames!.forEach(frame => {\n if (frame.filename) {\n frame.debug_id = filenameDebugIdMap[frame.filename];\n }\n });\n });\n } catch (e) {\n // To save bundle size we're just try catching here instead of checking for the existence of all the different objects.\n }\n}\n\n/**\n * Moves debug IDs from the stack frames of an error event into the debug_meta field.\n */\nexport function applyDebugMeta(event: Event): void {\n // Extract debug IDs and filenames from the stack frames on the event.\n const filenameDebugIdMap: Record = {};\n try {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n event.exception!.values!.forEach(exception => {\n // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n exception.stacktrace!.frames!.forEach(frame => {\n if (frame.debug_id) {\n if (frame.abs_path) {\n filenameDebugIdMap[frame.abs_path] = frame.debug_id;\n } else if (frame.filename) {\n filenameDebugIdMap[frame.filename] = frame.debug_id;\n }\n delete frame.debug_id;\n }\n });\n });\n } catch (e) {\n // To save bundle size we're just try catching here instead of checking for the existence of all the different objects.\n }\n\n if (Object.keys(filenameDebugIdMap).length === 0) {\n return;\n }\n\n // Fill debug_meta information\n event.debug_meta = event.debug_meta || {};\n event.debug_meta.images = event.debug_meta.images || [];\n const images = event.debug_meta.images;\n Object.keys(filenameDebugIdMap).forEach(filename => {\n images.push({\n type: 'sourcemap',\n code_file: filename,\n debug_id: filenameDebugIdMap[filename],\n });\n });\n}\n\n/**\n * This function adds all used integrations to the SDK info in the event.\n * @param event The event that will be filled with all integrations.\n */\nfunction applyIntegrationsMetadata(event: Event, integrationNames: string[]): void {\n if (integrationNames.length > 0) {\n event.sdk = event.sdk || {};\n event.sdk.integrations = [...(event.sdk.integrations || []), ...integrationNames];\n }\n}\n\n/**\n * Applies `normalize` function on necessary `Event` attributes to make them safe for serialization.\n * Normalized keys:\n * - `breadcrumbs.data`\n * - `user`\n * - `contexts`\n * - `extra`\n * @param event Event\n * @returns Normalized event\n */\nfunction normalizeEvent(event: Event | null, depth: number, maxBreadth: number): Event | null {\n if (!event) {\n return null;\n }\n\n const normalized: Event = {\n ...event,\n ...(event.breadcrumbs && {\n breadcrumbs: event.breadcrumbs.map(b => ({\n ...b,\n ...(b.data && {\n data: normalize(b.data, depth, maxBreadth),\n }),\n })),\n }),\n ...(event.user && {\n user: normalize(event.user, depth, maxBreadth),\n }),\n ...(event.contexts && {\n contexts: normalize(event.contexts, depth, maxBreadth),\n }),\n ...(event.extra && {\n extra: normalize(event.extra, depth, maxBreadth),\n }),\n };\n\n // event.contexts.trace stores information about a Transaction. Similarly,\n // event.spans[] stores information about child Spans. Given that a\n // Transaction is conceptually a Span, normalization should apply to both\n // Transactions and Spans consistently.\n // For now the decision is to skip normalization of Transactions and Spans,\n // so this block overwrites the normalized event to add back the original\n // Transaction information prior to normalization.\n if (event.contexts && event.contexts.trace && normalized.contexts) {\n normalized.contexts.trace = event.contexts.trace;\n\n // event.contexts.trace.data may contain circular/dangerous data so we need to normalize it\n if (event.contexts.trace.data) {\n normalized.contexts.trace.data = normalize(event.contexts.trace.data, depth, maxBreadth);\n }\n }\n\n // event.spans[].data may contain circular/dangerous data so we need to normalize it\n if (event.spans) {\n normalized.spans = event.spans.map(span => {\n const data = spanToJSON(span).data;\n\n if (data) {\n // This is a bit weird, as we generally have `Span` instances here, but to be safe we do not assume so\n // eslint-disable-next-line deprecation/deprecation\n span.data = normalize(data, depth, maxBreadth);\n }\n\n return span;\n });\n }\n\n return normalized;\n}\n\nfunction getFinalScope(scope: Scope | undefined, captureContext: CaptureContext | undefined): Scope | undefined {\n if (!captureContext) {\n return scope;\n }\n\n const finalScope = scope ? scope.clone() : new Scope();\n finalScope.update(captureContext);\n return finalScope;\n}\n\n/**\n * Parse either an `EventHint` directly, or convert a `CaptureContext` to an `EventHint`.\n * This is used to allow to update method signatures that used to accept a `CaptureContext` but should now accept an `EventHint`.\n */\nexport function parseEventHintOrCaptureContext(\n hint: ExclusiveEventHintOrCaptureContext | undefined,\n): EventHint | undefined {\n if (!hint) {\n return undefined;\n }\n\n // If you pass a Scope or `() => Scope` as CaptureContext, we just return this as captureContext\n if (hintIsScopeOrFunction(hint)) {\n return { captureContext: hint };\n }\n\n if (hintIsScopeContext(hint)) {\n return {\n captureContext: hint,\n };\n }\n\n return hint;\n}\n\nfunction hintIsScopeOrFunction(\n hint: CaptureContext | EventHint,\n): hint is ScopeInterface | ((scope: ScopeInterface) => ScopeInterface) {\n return hint instanceof Scope || typeof hint === 'function';\n}\n\ntype ScopeContextProperty = keyof ScopeContext;\nconst captureContextKeys: readonly ScopeContextProperty[] = [\n 'user',\n 'level',\n 'extra',\n 'contexts',\n 'tags',\n 'fingerprint',\n 'requestSession',\n 'propagationContext',\n] as const;\n\nfunction hintIsScopeContext(hint: Partial | EventHint): hint is Partial {\n return Object.keys(hint).some(key => captureContextKeys.includes(key as ScopeContextProperty));\n}\n","import type { Options } from '@sentry/types';\nimport { SDK_VERSION } from '../version';\n\n/**\n * A builder for the SDK metadata in the options for the SDK initialization.\n *\n * Note: This function is identical to `buildMetadata` in Remix and NextJS and SvelteKit.\n * We don't extract it for bundle size reasons.\n * @see https://github.com/getsentry/sentry-javascript/pull/7404\n * @see https://github.com/getsentry/sentry-javascript/pull/4196\n *\n * If you make changes to this function consider updating the others as well.\n *\n * @param options SDK options object that gets mutated\n * @param names list of package names\n */\nexport function applySdkMetadata(options: Options, name: string, names = [name], source = 'npm'): void {\n const metadata = options._metadata || {};\n\n if (!metadata.sdk) {\n metadata.sdk = {\n name: `sentry.javascript.${name}`,\n packages: names.map(name => ({\n name: `${source}:@sentry/${name}`,\n version: SDK_VERSION,\n })),\n version: SDK_VERSION,\n };\n }\n\n options._metadata = metadata;\n}\n","import type { Span, SpanJSON, SpanTimeInput, TraceContext } from '@sentry/types';\nimport { dropUndefinedKeys, generateSentryTraceHeader, timestampInSeconds } from '@sentry/utils';\nimport type { Span as SpanClass } from '../tracing/span';\n\n// These are aligned with OpenTelemetry trace flags\nexport const TRACE_FLAG_NONE = 0x0;\nexport const TRACE_FLAG_SAMPLED = 0x1;\n\n/**\n * Convert a span to a trace context, which can be sent as the `trace` context in an event.\n */\nexport function spanToTraceContext(span: Span): TraceContext {\n const { spanId: span_id, traceId: trace_id } = span.spanContext();\n const { data, op, parent_span_id, status, tags, origin } = spanToJSON(span);\n\n return dropUndefinedKeys({\n data,\n op,\n parent_span_id,\n span_id,\n status,\n tags,\n trace_id,\n origin,\n });\n}\n\n/**\n * Convert a Span to a Sentry trace header.\n */\nexport function spanToTraceHeader(span: Span): string {\n const { traceId, spanId } = span.spanContext();\n const sampled = spanIsSampled(span);\n return generateSentryTraceHeader(traceId, spanId, sampled);\n}\n\n/**\n * Convert a span time input intp a timestamp in seconds.\n */\nexport function spanTimeInputToSeconds(input: SpanTimeInput | undefined): number {\n if (typeof input === 'number') {\n return ensureTimestampInSeconds(input);\n }\n\n if (Array.isArray(input)) {\n // See {@link HrTime} for the array-based time format\n return input[0] + input[1] / 1e9;\n }\n\n if (input instanceof Date) {\n return ensureTimestampInSeconds(input.getTime());\n }\n\n return timestampInSeconds();\n}\n\n/**\n * Converts a timestamp to second, if it was in milliseconds, or keeps it as second.\n */\nfunction ensureTimestampInSeconds(timestamp: number): number {\n const isMs = timestamp > 9999999999;\n return isMs ? timestamp / 1000 : timestamp;\n}\n\n/**\n * Convert a span to a JSON representation.\n * Note that all fields returned here are optional and need to be guarded against.\n *\n * Note: Because of this, we currently have a circular type dependency (which we opted out of in package.json).\n * This is not avoidable as we need `spanToJSON` in `spanUtils.ts`, which in turn is needed by `span.ts` for backwards compatibility.\n * And `spanToJSON` needs the Span class from `span.ts` to check here.\n * TODO v8: When we remove the deprecated stuff from `span.ts`, we can remove the circular dependency again.\n */\nexport function spanToJSON(span: Span): Partial {\n if (spanIsSpanClass(span)) {\n return span.getSpanJSON();\n }\n\n // Fallback: We also check for `.toJSON()` here...\n // eslint-disable-next-line deprecation/deprecation\n if (typeof span.toJSON === 'function') {\n // eslint-disable-next-line deprecation/deprecation\n return span.toJSON();\n }\n\n return {};\n}\n\n/**\n * Sadly, due to circular dependency checks we cannot actually import the Span class here and check for instanceof.\n * :( So instead we approximate this by checking if it has the `getSpanJSON` method.\n */\nfunction spanIsSpanClass(span: Span): span is SpanClass {\n return typeof (span as SpanClass).getSpanJSON === 'function';\n}\n\n/**\n * Returns true if a span is sampled.\n * In most cases, you should just use `span.isRecording()` instead.\n * However, this has a slightly different semantic, as it also returns false if the span is finished.\n * So in the case where this distinction is important, use this method.\n */\nexport function spanIsSampled(span: Span): boolean {\n // We align our trace flags with the ones OpenTelemetry use\n // So we also check for sampled the same way they do.\n const { traceFlags } = span.spanContext();\n // eslint-disable-next-line no-bitwise\n return Boolean(traceFlags & TRACE_FLAG_SAMPLED);\n}\n","export const SDK_VERSION = '7.120.0';\n","/* eslint-disable max-lines */\n// Inspired from Donnie McNeal's solution:\n// https://gist.github.com/wontondon/e8c4bdf2888875e4c755712e99279536\n\nimport {\n WINDOW,\n browserTracingIntegration,\n startBrowserTracingNavigationSpan,\n startBrowserTracingPageLoadSpan,\n} from '@sentry/browser';\nimport {\n SEMANTIC_ATTRIBUTE_SENTRY_OP,\n SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,\n SEMANTIC_ATTRIBUTE_SENTRY_SOURCE,\n getActiveSpan,\n getRootSpan,\n spanToJSON,\n} from '@sentry/core';\nimport type {\n Integration,\n Span,\n StartSpanOptions,\n Transaction,\n TransactionContext,\n TransactionSource,\n} from '@sentry/types';\nimport { getNumberOfUrlSegments, logger } from '@sentry/utils';\nimport hoistNonReactStatics from 'hoist-non-react-statics';\nimport * as React from 'react';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport type {\n Action,\n AgnosticDataRouteMatch,\n CreateRouterFunction,\n CreateRoutesFromChildren,\n Location,\n MatchRoutes,\n RouteMatch,\n RouteObject,\n Router,\n RouterState,\n UseEffect,\n UseLocation,\n UseNavigationType,\n UseRoutes,\n} from './types';\n\nlet activeTransaction: Transaction | undefined;\n\nlet _useEffect: UseEffect;\nlet _useLocation: UseLocation;\nlet _useNavigationType: UseNavigationType;\nlet _createRoutesFromChildren: CreateRoutesFromChildren;\nlet _matchRoutes: MatchRoutes;\nlet _customStartTransaction: (context: TransactionContext) => Transaction | undefined;\nlet _startTransactionOnLocationChange: boolean;\nlet _stripBasename: boolean = false;\n\ninterface ReactRouterOptions {\n useEffect: UseEffect;\n useLocation: UseLocation;\n useNavigationType: UseNavigationType;\n createRoutesFromChildren: CreateRoutesFromChildren;\n matchRoutes: MatchRoutes;\n stripBasename?: boolean;\n}\n\n/**\n * A browser tracing integration that uses React Router v3 to instrument navigations.\n * Expects `history` (and optionally `routes` and `matchPath`) to be passed as options.\n */\nexport function reactRouterV6BrowserTracingIntegration(\n options: Parameters[0] & ReactRouterOptions,\n): Integration {\n const integration = browserTracingIntegration({\n ...options,\n instrumentPageLoad: false,\n instrumentNavigation: false,\n });\n\n const {\n useEffect,\n useLocation,\n useNavigationType,\n createRoutesFromChildren,\n matchRoutes,\n stripBasename,\n instrumentPageLoad = true,\n instrumentNavigation = true,\n } = options;\n\n return {\n ...integration,\n afterAllSetup(client) {\n integration.afterAllSetup(client);\n\n const startNavigationCallback = (startSpanOptions: StartSpanOptions): undefined => {\n startBrowserTracingNavigationSpan(client, startSpanOptions);\n return undefined;\n };\n\n const initPathName = WINDOW && WINDOW.location && WINDOW.location.pathname;\n if (instrumentPageLoad && initPathName) {\n startBrowserTracingPageLoadSpan(client, {\n name: initPathName,\n attributes: {\n [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'url',\n [SEMANTIC_ATTRIBUTE_SENTRY_OP]: 'pageload',\n [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.pageload.react.reactrouter_v6',\n },\n });\n }\n\n _useEffect = useEffect;\n _useLocation = useLocation;\n _useNavigationType = useNavigationType;\n _matchRoutes = matchRoutes;\n _createRoutesFromChildren = createRoutesFromChildren;\n _stripBasename = stripBasename || false;\n\n _customStartTransaction = startNavigationCallback;\n _startTransactionOnLocationChange = instrumentNavigation;\n },\n };\n}\n\n/**\n * @deprecated Use `reactRouterV6BrowserTracingIntegration()` instead.\n */\nexport function reactRouterV6Instrumentation(\n useEffect: UseEffect,\n useLocation: UseLocation,\n useNavigationType: UseNavigationType,\n createRoutesFromChildren: CreateRoutesFromChildren,\n matchRoutes: MatchRoutes,\n stripBasename?: boolean,\n) {\n return (\n customStartTransaction: (context: TransactionContext) => Transaction | undefined,\n startTransactionOnPageLoad = true,\n startTransactionOnLocationChange = true,\n ): void => {\n const initPathName = WINDOW && WINDOW.location && WINDOW.location.pathname;\n if (startTransactionOnPageLoad && initPathName) {\n activeTransaction = customStartTransaction({\n name: initPathName,\n attributes: {\n [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'url',\n [SEMANTIC_ATTRIBUTE_SENTRY_OP]: 'pageload',\n [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.pageload.react.reactrouter_v6',\n },\n });\n }\n\n _useEffect = useEffect;\n _useLocation = useLocation;\n _useNavigationType = useNavigationType;\n _matchRoutes = matchRoutes;\n _createRoutesFromChildren = createRoutesFromChildren;\n _stripBasename = stripBasename || false;\n\n _customStartTransaction = customStartTransaction;\n _startTransactionOnLocationChange = startTransactionOnLocationChange;\n };\n}\n\n/**\n * Strip the basename from a pathname if exists.\n *\n * Vendored and modified from `react-router`\n * https://github.com/remix-run/react-router/blob/462bb712156a3f739d6139a0f14810b76b002df6/packages/router/utils.ts#L1038\n */\nfunction stripBasenameFromPathname(pathname: string, basename: string): string {\n if (!basename || basename === '/') {\n return pathname;\n }\n\n if (!pathname.toLowerCase().startsWith(basename.toLowerCase())) {\n return pathname;\n }\n\n // We want to leave trailing slash behavior in the user's control, so if they\n // specify a basename with a trailing slash, we should support it\n const startIndex = basename.endsWith('/') ? basename.length - 1 : basename.length;\n const nextChar = pathname.charAt(startIndex);\n if (nextChar && nextChar !== '/') {\n // pathname does not start with basename/\n return pathname;\n }\n\n return pathname.slice(startIndex) || '/';\n}\n\nfunction getNormalizedName(\n routes: RouteObject[],\n location: Location,\n branches: RouteMatch[],\n basename: string = '',\n): [string, TransactionSource] {\n if (!routes || routes.length === 0) {\n return [_stripBasename ? stripBasenameFromPathname(location.pathname, basename) : location.pathname, 'url'];\n }\n\n let pathBuilder = '';\n if (branches) {\n // eslint-disable-next-line @typescript-eslint/prefer-for-of\n for (let x = 0; x < branches.length; x++) {\n const branch = branches[x];\n const route = branch.route;\n if (route) {\n // Early return if index route\n if (route.index) {\n return [_stripBasename ? stripBasenameFromPathname(branch.pathname, basename) : branch.pathname, 'route'];\n }\n\n const path = route.path;\n if (path) {\n const newPath = path[0] === '/' || pathBuilder[pathBuilder.length - 1] === '/' ? path : `/${path}`;\n pathBuilder += newPath;\n\n if (basename + branch.pathname === location.pathname) {\n if (\n // If the route defined on the element is something like\n // Product} />\n // We should check against the branch.pathname for the number of / seperators\n getNumberOfUrlSegments(pathBuilder) !== getNumberOfUrlSegments(branch.pathname) &&\n // We should not count wildcard operators in the url segments calculation\n pathBuilder.slice(-2) !== '/*'\n ) {\n return [(_stripBasename ? '' : basename) + newPath, 'route'];\n }\n return [(_stripBasename ? '' : basename) + pathBuilder, 'route'];\n }\n }\n }\n }\n }\n\n return [_stripBasename ? stripBasenameFromPathname(location.pathname, basename) : location.pathname, 'url'];\n}\n\nfunction updatePageloadTransaction(\n activeRootSpan: Span | undefined,\n location: Location,\n routes: RouteObject[],\n matches?: AgnosticDataRouteMatch,\n basename?: string,\n): void {\n const branches = Array.isArray(matches)\n ? matches\n : (_matchRoutes(routes, location, basename) as unknown as RouteMatch[]);\n\n if (activeRootSpan && branches) {\n const [name, source] = getNormalizedName(routes, location, branches, basename);\n activeRootSpan.updateName(name);\n activeRootSpan.setAttribute(SEMANTIC_ATTRIBUTE_SENTRY_SOURCE, source);\n }\n}\n\nfunction handleNavigation(\n location: Location,\n routes: RouteObject[],\n navigationType: Action,\n matches?: AgnosticDataRouteMatch,\n basename?: string,\n): void {\n const branches = Array.isArray(matches) ? matches : _matchRoutes(routes, location, basename);\n\n if (_startTransactionOnLocationChange && (navigationType === 'PUSH' || navigationType === 'POP') && branches) {\n if (activeTransaction) {\n activeTransaction.end();\n }\n\n const [name, source] = getNormalizedName(routes, location, branches, basename);\n activeTransaction = _customStartTransaction({\n name,\n attributes: {\n [SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: source,\n [SEMANTIC_ATTRIBUTE_SENTRY_OP]: 'navigation',\n [SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: 'auto.navigation.react.reactrouter_v6',\n },\n });\n }\n}\n\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport function withSentryReactRouterV6Routing

, R extends React.FC

>(Routes: R): R {\n if (\n !_useEffect ||\n !_useLocation ||\n !_useNavigationType ||\n !_createRoutesFromChildren ||\n !_matchRoutes ||\n !_customStartTransaction\n ) {\n DEBUG_BUILD &&\n logger.warn(`reactRouterV6Instrumentation was unable to wrap Routes because of one or more missing parameters.\n useEffect: ${_useEffect}. useLocation: ${_useLocation}. useNavigationType: ${_useNavigationType}.\n createRoutesFromChildren: ${_createRoutesFromChildren}. matchRoutes: ${_matchRoutes}. customStartTransaction: ${_customStartTransaction}.`);\n\n return Routes;\n }\n\n let isMountRenderPass: boolean = true;\n\n const SentryRoutes: React.FC

= (props: P) => {\n const location = _useLocation();\n const navigationType = _useNavigationType();\n\n _useEffect(\n () => {\n const routes = _createRoutesFromChildren(props.children) as RouteObject[];\n\n if (isMountRenderPass) {\n updatePageloadTransaction(getActiveRootSpan(), location, routes);\n isMountRenderPass = false;\n } else {\n handleNavigation(location, routes, navigationType);\n }\n },\n // `props.children` is purpusely not included in the dependency array, because we do not want to re-run this effect\n // when the children change. We only want to start transactions when the location or navigation type change.\n [location, navigationType],\n );\n\n // @ts-expect-error Setting more specific React Component typing for `R` generic above\n // will break advanced type inference done by react router params\n return ;\n };\n\n hoistNonReactStatics(SentryRoutes, Routes);\n\n // @ts-expect-error Setting more specific React Component typing for `R` generic above\n // will break advanced type inference done by react router params\n return SentryRoutes;\n}\n\nexport function wrapUseRoutes(origUseRoutes: UseRoutes): UseRoutes {\n if (!_useEffect || !_useLocation || !_useNavigationType || !_matchRoutes || !_customStartTransaction) {\n DEBUG_BUILD &&\n logger.warn(\n 'reactRouterV6Instrumentation was unable to wrap `useRoutes` because of one or more missing parameters.',\n );\n\n return origUseRoutes;\n }\n\n let isMountRenderPass: boolean = true;\n\n const SentryRoutes: React.FC<{\n children?: React.ReactNode;\n routes: RouteObject[];\n locationArg?: Partial | string;\n }> = (props: { children?: React.ReactNode; routes: RouteObject[]; locationArg?: Partial | string }) => {\n const { routes, locationArg } = props;\n\n const Routes = origUseRoutes(routes, locationArg);\n\n const location = _useLocation();\n const navigationType = _useNavigationType();\n\n // A value with stable identity to either pick `locationArg` if available or `location` if not\n const stableLocationParam =\n typeof locationArg === 'string' || (locationArg && locationArg.pathname)\n ? (locationArg as { pathname: string })\n : location;\n\n _useEffect(() => {\n const normalizedLocation =\n typeof stableLocationParam === 'string' ? { pathname: stableLocationParam } : stableLocationParam;\n\n if (isMountRenderPass) {\n updatePageloadTransaction(getActiveRootSpan(), normalizedLocation, routes);\n isMountRenderPass = false;\n } else {\n handleNavigation(normalizedLocation, routes, navigationType);\n }\n }, [navigationType, stableLocationParam]);\n\n return Routes;\n };\n\n // eslint-disable-next-line react/display-name\n return (routes: RouteObject[], locationArg?: Partial | string): React.ReactElement | null => {\n return ;\n };\n}\n\nexport function wrapCreateBrowserRouter<\n TState extends RouterState = RouterState,\n TRouter extends Router = Router,\n>(createRouterFunction: CreateRouterFunction): CreateRouterFunction {\n // `opts` for createBrowserHistory and createMemoryHistory are different, but also not relevant for us at the moment.\n // `basename` is the only option that is relevant for us, and it is the same for all.\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n return function (routes: RouteObject[], opts?: Record & { basename?: string }): TRouter {\n const router = createRouterFunction(routes, opts);\n const basename = opts && opts.basename;\n\n const activeRootSpan = getActiveRootSpan();\n\n // The initial load ends when `createBrowserRouter` is called.\n // This is the earliest convenient time to update the transaction name.\n // Callbacks to `router.subscribe` are not called for the initial load.\n if (router.state.historyAction === 'POP' && activeRootSpan) {\n updatePageloadTransaction(activeRootSpan, router.state.location, routes, undefined, basename);\n }\n\n router.subscribe((state: RouterState) => {\n const location = state.location;\n if (_startTransactionOnLocationChange && (state.historyAction === 'PUSH' || state.historyAction === 'POP')) {\n handleNavigation(location, routes, state.historyAction, undefined, basename);\n }\n });\n\n return router;\n };\n}\n\nfunction getActiveRootSpan(): Span | undefined {\n // Legacy behavior for \"old\" react router instrumentation\n if (activeTransaction) {\n return activeTransaction;\n }\n\n const span = getActiveSpan();\n const rootSpan = span ? getRootSpan(span) : undefined;\n\n if (!rootSpan) {\n return undefined;\n }\n\n const op = spanToJSON(rootSpan).op;\n\n // Only use this root span if it is a pageload or navigation span\n return op === 'navigation' || op === 'pageload' ? rootSpan : undefined;\n}\n","import type { DynamicSamplingContext } from '@sentry/types';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport { isString } from './is';\nimport { logger } from './logger';\n\nexport const BAGGAGE_HEADER_NAME = 'baggage';\n\nexport const SENTRY_BAGGAGE_KEY_PREFIX = 'sentry-';\n\nexport const SENTRY_BAGGAGE_KEY_PREFIX_REGEX = /^sentry-/;\n\n/**\n * Max length of a serialized baggage string\n *\n * https://www.w3.org/TR/baggage/#limits\n */\nexport const MAX_BAGGAGE_STRING_LENGTH = 8192;\n\n/**\n * Takes a baggage header and turns it into Dynamic Sampling Context, by extracting all the \"sentry-\" prefixed values\n * from it.\n *\n * @param baggageHeader A very bread definition of a baggage header as it might appear in various frameworks.\n * @returns The Dynamic Sampling Context that was found on `baggageHeader`, if there was any, `undefined` otherwise.\n */\nexport function baggageHeaderToDynamicSamplingContext(\n // Very liberal definition of what any incoming header might look like\n baggageHeader: string | string[] | number | null | undefined | boolean,\n): Partial | undefined {\n if (!isString(baggageHeader) && !Array.isArray(baggageHeader)) {\n return undefined;\n }\n\n // Intermediary object to store baggage key value pairs of incoming baggage headers on.\n // It is later used to read Sentry-DSC-values from.\n let baggageObject: Readonly> = {};\n\n if (Array.isArray(baggageHeader)) {\n // Combine all baggage headers into one object containing the baggage values so we can later read the Sentry-DSC-values from it\n baggageObject = baggageHeader.reduce>((acc, curr) => {\n const currBaggageObject = baggageHeaderToObject(curr);\n for (const key of Object.keys(currBaggageObject)) {\n acc[key] = currBaggageObject[key];\n }\n return acc;\n }, {});\n } else {\n // Return undefined if baggage header is an empty string (technically an empty baggage header is not spec conform but\n // this is how we choose to handle it)\n if (!baggageHeader) {\n return undefined;\n }\n\n baggageObject = baggageHeaderToObject(baggageHeader);\n }\n\n // Read all \"sentry-\" prefixed values out of the baggage object and put it onto a dynamic sampling context object.\n const dynamicSamplingContext = Object.entries(baggageObject).reduce>((acc, [key, value]) => {\n if (key.match(SENTRY_BAGGAGE_KEY_PREFIX_REGEX)) {\n const nonPrefixedKey = key.slice(SENTRY_BAGGAGE_KEY_PREFIX.length);\n acc[nonPrefixedKey] = value;\n }\n return acc;\n }, {});\n\n // Only return a dynamic sampling context object if there are keys in it.\n // A keyless object means there were no sentry values on the header, which means that there is no DSC.\n if (Object.keys(dynamicSamplingContext).length > 0) {\n return dynamicSamplingContext as Partial;\n } else {\n return undefined;\n }\n}\n\n/**\n * Turns a Dynamic Sampling Object into a baggage header by prefixing all the keys on the object with \"sentry-\".\n *\n * @param dynamicSamplingContext The Dynamic Sampling Context to turn into a header. For convenience and compatibility\n * with the `getDynamicSamplingContext` method on the Transaction class ,this argument can also be `undefined`. If it is\n * `undefined` the function will return `undefined`.\n * @returns a baggage header, created from `dynamicSamplingContext`, or `undefined` either if `dynamicSamplingContext`\n * was `undefined`, or if `dynamicSamplingContext` didn't contain any values.\n */\nexport function dynamicSamplingContextToSentryBaggageHeader(\n // this also takes undefined for convenience and bundle size in other places\n dynamicSamplingContext?: Partial,\n): string | undefined {\n if (!dynamicSamplingContext) {\n return undefined;\n }\n\n // Prefix all DSC keys with \"sentry-\" and put them into a new object\n const sentryPrefixedDSC = Object.entries(dynamicSamplingContext).reduce>(\n (acc, [dscKey, dscValue]) => {\n if (dscValue) {\n acc[`${SENTRY_BAGGAGE_KEY_PREFIX}${dscKey}`] = dscValue;\n }\n return acc;\n },\n {},\n );\n\n return objectToBaggageHeader(sentryPrefixedDSC);\n}\n\n/**\n * Will parse a baggage header, which is a simple key-value map, into a flat object.\n *\n * @param baggageHeader The baggage header to parse.\n * @returns a flat object containing all the key-value pairs from `baggageHeader`.\n */\nfunction baggageHeaderToObject(baggageHeader: string): Record {\n return baggageHeader\n .split(',')\n .map(baggageEntry => baggageEntry.split('=').map(keyOrValue => decodeURIComponent(keyOrValue.trim())))\n .reduce>((acc, [key, value]) => {\n acc[key] = value;\n return acc;\n }, {});\n}\n\n/**\n * Turns a flat object (key-value pairs) into a baggage header, which is also just key-value pairs.\n *\n * @param object The object to turn into a baggage header.\n * @returns a baggage header string, or `undefined` if the object didn't have any values, since an empty baggage header\n * is not spec compliant.\n */\nfunction objectToBaggageHeader(object: Record): string | undefined {\n if (Object.keys(object).length === 0) {\n // An empty baggage header is not spec compliant: We return undefined.\n return undefined;\n }\n\n return Object.entries(object).reduce((baggageHeader, [objectKey, objectValue], currentIndex) => {\n const baggageEntry = `${encodeURIComponent(objectKey)}=${encodeURIComponent(objectValue)}`;\n const newBaggageHeader = currentIndex === 0 ? baggageEntry : `${baggageHeader},${baggageEntry}`;\n if (newBaggageHeader.length > MAX_BAGGAGE_STRING_LENGTH) {\n DEBUG_BUILD &&\n logger.warn(\n `Not adding key: ${objectKey} with val: ${objectValue} to baggage header due to exceeding baggage size limits.`,\n );\n return baggageHeader;\n } else {\n return newBaggageHeader;\n }\n }, '');\n}\n","import { isString } from './is';\nimport { getGlobalObject } from './worldwide';\n\n// eslint-disable-next-line deprecation/deprecation\nconst WINDOW = getGlobalObject();\n\nconst DEFAULT_MAX_STRING_LENGTH = 80;\n\ntype SimpleNode = {\n parentNode: SimpleNode;\n} | null;\n\n/**\n * Given a child DOM element, returns a query-selector statement describing that\n * and its ancestors\n * e.g. [HTMLElement] => body > div > input#foo.btn[name=baz]\n * @returns generated DOM path\n */\nexport function htmlTreeAsString(\n elem: unknown,\n options: string[] | { keyAttrs?: string[]; maxStringLength?: number } = {},\n): string {\n if (!elem) {\n return '';\n }\n\n // try/catch both:\n // - accessing event.target (see getsentry/raven-js#838, #768)\n // - `htmlTreeAsString` because it's complex, and just accessing the DOM incorrectly\n // - can throw an exception in some circumstances.\n try {\n let currentElem = elem as SimpleNode;\n const MAX_TRAVERSE_HEIGHT = 5;\n const out = [];\n let height = 0;\n let len = 0;\n const separator = ' > ';\n const sepLength = separator.length;\n let nextStr;\n const keyAttrs = Array.isArray(options) ? options : options.keyAttrs;\n const maxStringLength = (!Array.isArray(options) && options.maxStringLength) || DEFAULT_MAX_STRING_LENGTH;\n\n while (currentElem && height++ < MAX_TRAVERSE_HEIGHT) {\n nextStr = _htmlElementAsString(currentElem, keyAttrs);\n // bail out if\n // - nextStr is the 'html' element\n // - the length of the string that would be created exceeds maxStringLength\n // (ignore this limit if we are on the first iteration)\n if (nextStr === 'html' || (height > 1 && len + out.length * sepLength + nextStr.length >= maxStringLength)) {\n break;\n }\n\n out.push(nextStr);\n\n len += nextStr.length;\n currentElem = currentElem.parentNode;\n }\n\n return out.reverse().join(separator);\n } catch (_oO) {\n return '';\n }\n}\n\n/**\n * Returns a simple, query-selector representation of a DOM element\n * e.g. [HTMLElement] => input#foo.btn[name=baz]\n * @returns generated DOM path\n */\nfunction _htmlElementAsString(el: unknown, keyAttrs?: string[]): string {\n const elem = el as {\n tagName?: string;\n id?: string;\n className?: string;\n getAttribute(key: string): string;\n };\n\n const out = [];\n let className;\n let classes;\n let key;\n let attr;\n let i;\n\n if (!elem || !elem.tagName) {\n return '';\n }\n\n // @ts-expect-error WINDOW has HTMLElement\n if (WINDOW.HTMLElement) {\n // If using the component name annotation plugin, this value may be available on the DOM node\n if (elem instanceof HTMLElement && elem.dataset && elem.dataset['sentryComponent']) {\n return elem.dataset['sentryComponent'];\n }\n }\n\n out.push(elem.tagName.toLowerCase());\n\n // Pairs of attribute keys defined in `serializeAttribute` and their values on element.\n const keyAttrPairs =\n keyAttrs && keyAttrs.length\n ? keyAttrs.filter(keyAttr => elem.getAttribute(keyAttr)).map(keyAttr => [keyAttr, elem.getAttribute(keyAttr)])\n : null;\n\n if (keyAttrPairs && keyAttrPairs.length) {\n keyAttrPairs.forEach(keyAttrPair => {\n out.push(`[${keyAttrPair[0]}=\"${keyAttrPair[1]}\"]`);\n });\n } else {\n if (elem.id) {\n out.push(`#${elem.id}`);\n }\n\n // eslint-disable-next-line prefer-const\n className = elem.className;\n if (className && isString(className)) {\n classes = className.split(/\\s+/);\n for (i = 0; i < classes.length; i++) {\n out.push(`.${classes[i]}`);\n }\n }\n }\n const allowedAttrs = ['aria-label', 'type', 'name', 'title', 'alt'];\n for (i = 0; i < allowedAttrs.length; i++) {\n key = allowedAttrs[i];\n attr = elem.getAttribute(key);\n if (attr) {\n out.push(`[${key}=\"${attr}\"]`);\n }\n }\n return out.join('');\n}\n\n/**\n * A safe form of location.href\n */\nexport function getLocationHref(): string {\n try {\n return WINDOW.document.location.href;\n } catch (oO) {\n return '';\n }\n}\n\n/**\n * Gets a DOM element by using document.querySelector.\n *\n * This wrapper will first check for the existance of the function before\n * actually calling it so that we don't have to take care of this check,\n * every time we want to access the DOM.\n *\n * Reason: DOM/querySelector is not available in all environments.\n *\n * We have to cast to any because utils can be consumed by a variety of environments,\n * and we don't want to break TS users. If you know what element will be selected by\n * `document.querySelector`, specify it as part of the generic call. For example,\n * `const element = getDomElement('selector');`\n *\n * @param selector the selector string passed on to document.querySelector\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport function getDomElement(selector: string): E | null {\n if (WINDOW.document && WINDOW.document.querySelector) {\n return WINDOW.document.querySelector(selector) as unknown as E;\n }\n return null;\n}\n\n/**\n * Given a DOM element, traverses up the tree until it finds the first ancestor node\n * that has the `data-sentry-component` attribute. This attribute is added at build-time\n * by projects that have the component name annotation plugin installed.\n *\n * @returns a string representation of the component for the provided DOM element, or `null` if not found\n */\nexport function getComponentName(elem: unknown): string | null {\n // @ts-expect-error WINDOW has HTMLElement\n if (!WINDOW.HTMLElement) {\n return null;\n }\n\n let currentElem = elem as SimpleNode;\n const MAX_TRAVERSE_HEIGHT = 5;\n for (let i = 0; i < MAX_TRAVERSE_HEIGHT; i++) {\n if (!currentElem) {\n return null;\n }\n\n if (currentElem instanceof HTMLElement && currentElem.dataset['sentryComponent']) {\n return currentElem.dataset['sentryComponent'];\n }\n\n currentElem = currentElem.parentNode;\n }\n\n return null;\n}\n","import type { DsnComponents, DsnLike, DsnProtocol } from '@sentry/types';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport { consoleSandbox, logger } from './logger';\n\n/** Regular expression used to parse a Dsn. */\nconst DSN_REGEX = /^(?:(\\w+):)\\/\\/(?:(\\w+)(?::(\\w+)?)?@)([\\w.-]+)(?::(\\d+))?\\/(.+)/;\n\nfunction isValidProtocol(protocol?: string): protocol is DsnProtocol {\n return protocol === 'http' || protocol === 'https';\n}\n\n/**\n * Renders the string representation of this Dsn.\n *\n * By default, this will render the public representation without the password\n * component. To get the deprecated private representation, set `withPassword`\n * to true.\n *\n * @param withPassword When set to true, the password will be included.\n */\nexport function dsnToString(dsn: DsnComponents, withPassword: boolean = false): string {\n const { host, path, pass, port, projectId, protocol, publicKey } = dsn;\n return (\n `${protocol}://${publicKey}${withPassword && pass ? `:${pass}` : ''}` +\n `@${host}${port ? `:${port}` : ''}/${path ? `${path}/` : path}${projectId}`\n );\n}\n\n/**\n * Parses a Dsn from a given string.\n *\n * @param str A Dsn as string\n * @returns Dsn as DsnComponents or undefined if @param str is not a valid DSN string\n */\nexport function dsnFromString(str: string): DsnComponents | undefined {\n const match = DSN_REGEX.exec(str);\n\n if (!match) {\n // This should be logged to the console\n consoleSandbox(() => {\n // eslint-disable-next-line no-console\n console.error(`Invalid Sentry Dsn: ${str}`);\n });\n return undefined;\n }\n\n const [protocol, publicKey, pass = '', host, port = '', lastPath] = match.slice(1);\n let path = '';\n let projectId = lastPath;\n\n const split = projectId.split('/');\n if (split.length > 1) {\n path = split.slice(0, -1).join('/');\n projectId = split.pop() as string;\n }\n\n if (projectId) {\n const projectMatch = projectId.match(/^\\d+/);\n if (projectMatch) {\n projectId = projectMatch[0];\n }\n }\n\n return dsnFromComponents({ host, pass, path, projectId, port, protocol: protocol as DsnProtocol, publicKey });\n}\n\nfunction dsnFromComponents(components: DsnComponents): DsnComponents {\n return {\n protocol: components.protocol,\n publicKey: components.publicKey || '',\n pass: components.pass || '',\n host: components.host,\n port: components.port || '',\n path: components.path || '',\n projectId: components.projectId,\n };\n}\n\nfunction validateDsn(dsn: DsnComponents): boolean {\n if (!DEBUG_BUILD) {\n return true;\n }\n\n const { port, projectId, protocol } = dsn;\n\n const requiredComponents: ReadonlyArray = ['protocol', 'publicKey', 'host', 'projectId'];\n const hasMissingRequiredComponent = requiredComponents.find(component => {\n if (!dsn[component]) {\n logger.error(`Invalid Sentry Dsn: ${component} missing`);\n return true;\n }\n return false;\n });\n\n if (hasMissingRequiredComponent) {\n return false;\n }\n\n if (!projectId.match(/^\\d+$/)) {\n logger.error(`Invalid Sentry Dsn: Invalid projectId ${projectId}`);\n return false;\n }\n\n if (!isValidProtocol(protocol)) {\n logger.error(`Invalid Sentry Dsn: Invalid protocol ${protocol}`);\n return false;\n }\n\n if (port && isNaN(parseInt(port, 10))) {\n logger.error(`Invalid Sentry Dsn: Invalid port ${port}`);\n return false;\n }\n\n return true;\n}\n\n/**\n * Creates a valid Sentry Dsn object, identifying a Sentry instance and project.\n * @returns a valid DsnComponents object or `undefined` if @param from is an invalid DSN source\n */\nexport function makeDsn(from: DsnLike): DsnComponents | undefined {\n const components = typeof from === 'string' ? dsnFromString(from) : dsnFromComponents(from);\n if (!components || !validateDsn(components)) {\n return undefined;\n }\n return components;\n}\n","import { DEBUG_BUILD } from '../debug-build';\nimport { logger } from '../logger';\nimport { getFunctionName } from '../stacktrace';\n\nexport type InstrumentHandlerType = 'console' | 'dom' | 'fetch' | 'history' | 'xhr' | 'error' | 'unhandledrejection';\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport type InstrumentHandlerCallback = (data: any) => void;\n\n// We keep the handlers globally\nconst handlers: { [key in InstrumentHandlerType]?: InstrumentHandlerCallback[] } = {};\nconst instrumented: { [key in InstrumentHandlerType]?: boolean } = {};\n\n/** Add a handler function. */\nexport function addHandler(type: InstrumentHandlerType, handler: InstrumentHandlerCallback): void {\n handlers[type] = handlers[type] || [];\n (handlers[type] as InstrumentHandlerCallback[]).push(handler);\n}\n\n/**\n * Reset all instrumentation handlers.\n * This can be used by tests to ensure we have a clean slate of instrumentation handlers.\n */\nexport function resetInstrumentationHandlers(): void {\n Object.keys(handlers).forEach(key => {\n handlers[key as InstrumentHandlerType] = undefined;\n });\n}\n\n/** Maybe run an instrumentation function, unless it was already called. */\nexport function maybeInstrument(type: InstrumentHandlerType, instrumentFn: () => void): void {\n if (!instrumented[type]) {\n instrumentFn();\n instrumented[type] = true;\n }\n}\n\n/** Trigger handlers for a given instrumentation type. */\nexport function triggerHandlers(type: InstrumentHandlerType, data: unknown): void {\n const typeHandlers = type && handlers[type];\n if (!typeHandlers) {\n return;\n }\n\n for (const handler of typeHandlers) {\n try {\n handler(data);\n } catch (e) {\n DEBUG_BUILD &&\n logger.error(\n `Error while triggering instrumentation handler.\\nType: ${type}\\nName: ${getFunctionName(handler)}\\nError:`,\n e,\n );\n }\n }\n}\n","/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/ban-types */\nimport type { HandlerDataFetch } from '@sentry/types';\n\nimport { fill } from '../object';\nimport { supportsNativeFetch } from '../supports';\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\ntype FetchResource = string | { toString(): string } | { url: string };\n\n/**\n * Add an instrumentation handler for when a fetch request happens.\n * The handler function is called once when the request starts and once when it ends,\n * which can be identified by checking if it has an `endTimestamp`.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addFetchInstrumentationHandler(handler: (data: HandlerDataFetch) => void): void {\n const type = 'fetch';\n addHandler(type, handler);\n maybeInstrument(type, instrumentFetch);\n}\n\nfunction instrumentFetch(): void {\n if (!supportsNativeFetch()) {\n return;\n }\n\n fill(GLOBAL_OBJ, 'fetch', function (originalFetch: () => void): () => void {\n return function (...args: any[]): void {\n const { method, url } = parseFetchArgs(args);\n\n const handlerData: HandlerDataFetch = {\n args,\n fetchData: {\n method,\n url,\n },\n startTimestamp: Date.now(),\n };\n\n triggerHandlers('fetch', {\n ...handlerData,\n });\n\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n return originalFetch.apply(GLOBAL_OBJ, args).then(\n (response: Response) => {\n const finishedHandlerData: HandlerDataFetch = {\n ...handlerData,\n endTimestamp: Date.now(),\n response,\n };\n\n triggerHandlers('fetch', finishedHandlerData);\n return response;\n },\n (error: Error) => {\n const erroredHandlerData: HandlerDataFetch = {\n ...handlerData,\n endTimestamp: Date.now(),\n error,\n };\n\n triggerHandlers('fetch', erroredHandlerData);\n // NOTE: If you are a Sentry user, and you are seeing this stack frame,\n // it means the sentry.javascript SDK caught an error invoking your application code.\n // This is expected behavior and NOT indicative of a bug with sentry.javascript.\n throw error;\n },\n );\n };\n });\n}\n\nfunction hasProp(obj: unknown, prop: T): obj is Record {\n return !!obj && typeof obj === 'object' && !!(obj as Record)[prop];\n}\n\nfunction getUrlFromResource(resource: FetchResource): string {\n if (typeof resource === 'string') {\n return resource;\n }\n\n if (!resource) {\n return '';\n }\n\n if (hasProp(resource, 'url')) {\n return resource.url;\n }\n\n if (resource.toString) {\n return resource.toString();\n }\n\n return '';\n}\n\n/**\n * Parses the fetch arguments to find the used Http method and the url of the request.\n * Exported for tests only.\n */\nexport function parseFetchArgs(fetchArgs: unknown[]): { method: string; url: string } {\n if (fetchArgs.length === 0) {\n return { method: 'GET', url: '' };\n }\n\n if (fetchArgs.length === 2) {\n const [url, options] = fetchArgs as [FetchResource, object];\n\n return {\n url: getUrlFromResource(url),\n method: hasProp(options, 'method') ? String(options.method).toUpperCase() : 'GET',\n };\n }\n\n const arg = fetchArgs[0];\n return {\n url: getUrlFromResource(arg as FetchResource),\n method: hasProp(arg, 'method') ? String(arg.method).toUpperCase() : 'GET',\n };\n}\n","import type { HandlerDataError } from '@sentry/types';\n\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\nlet _oldOnErrorHandler: (typeof GLOBAL_OBJ)['onerror'] | null = null;\n\n/**\n * Add an instrumentation handler for when an error is captured by the global error handler.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addGlobalErrorInstrumentationHandler(handler: (data: HandlerDataError) => void): void {\n const type = 'error';\n addHandler(type, handler);\n maybeInstrument(type, instrumentError);\n}\n\nfunction instrumentError(): void {\n _oldOnErrorHandler = GLOBAL_OBJ.onerror;\n\n GLOBAL_OBJ.onerror = function (\n msg: string | object,\n url?: string,\n line?: number,\n column?: number,\n error?: Error,\n ): boolean {\n const handlerData: HandlerDataError = {\n column,\n error,\n line,\n msg,\n url,\n };\n triggerHandlers('error', handlerData);\n\n if (_oldOnErrorHandler && !_oldOnErrorHandler.__SENTRY_LOADER__) {\n // eslint-disable-next-line prefer-rest-params\n return _oldOnErrorHandler.apply(this, arguments);\n }\n\n return false;\n };\n\n GLOBAL_OBJ.onerror.__SENTRY_INSTRUMENTED__ = true;\n}\n","/* eslint-disable @typescript-eslint/no-explicit-any */\n\nimport type { HandlerDataUnhandledRejection } from '@sentry/types';\n\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\nlet _oldOnUnhandledRejectionHandler: (typeof GLOBAL_OBJ)['onunhandledrejection'] | null = null;\n\n/**\n * Add an instrumentation handler for when an unhandled promise rejection is captured.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addGlobalUnhandledRejectionInstrumentationHandler(\n handler: (data: HandlerDataUnhandledRejection) => void,\n): void {\n const type = 'unhandledrejection';\n addHandler(type, handler);\n maybeInstrument(type, instrumentUnhandledRejection);\n}\n\nfunction instrumentUnhandledRejection(): void {\n _oldOnUnhandledRejectionHandler = GLOBAL_OBJ.onunhandledrejection;\n\n GLOBAL_OBJ.onunhandledrejection = function (e: any): boolean {\n const handlerData: HandlerDataUnhandledRejection = e;\n triggerHandlers('unhandledrejection', handlerData);\n\n if (_oldOnUnhandledRejectionHandler && !_oldOnUnhandledRejectionHandler.__SENTRY_LOADER__) {\n // eslint-disable-next-line prefer-rest-params\n return _oldOnUnhandledRejectionHandler.apply(this, arguments);\n }\n\n return true;\n };\n\n GLOBAL_OBJ.onunhandledrejection.__SENTRY_INSTRUMENTED__ = true;\n}\n","// Based on https://github.com/angular/angular.js/pull/13945/files\n// The MIT License\n\n// Copyright (c) 2010-2016 Google, Inc. http://angularjs.org\n\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to deal\n// in the Software without restriction, including without limitation the rights\n// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\nimport { getGlobalObject } from '../worldwide';\n\n// eslint-disable-next-line deprecation/deprecation\nconst WINDOW = getGlobalObject();\n\n/**\n * Tells whether current environment supports History API\n * {@link supportsHistory}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsHistory(): boolean {\n // NOTE: in Chrome App environment, touching history.pushState, *even inside\n // a try/catch block*, will cause Chrome to output an error to console.error\n // borrowed from: https://github.com/angular/angular.js/pull/13945/files\n /* eslint-disable @typescript-eslint/no-unsafe-member-access */\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n const chromeVar = (WINDOW as any).chrome;\n const isChromePackagedApp = chromeVar && chromeVar.app && chromeVar.app.runtime;\n /* eslint-enable @typescript-eslint/no-unsafe-member-access */\n const hasHistoryApi = 'history' in WINDOW && !!WINDOW.history.pushState && !!WINDOW.history.replaceState;\n\n return !isChromePackagedApp && hasHistoryApi;\n}\n","// TODO(v8): Move everything in this file into the browser package. Nothing here is generic and we run risk of leaking browser types into non-browser packages.\n\n/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/ban-types */\nimport type { HandlerDataHistory } from '@sentry/types';\n\nimport { fill } from '../object';\nimport { supportsHistory } from '../supports';\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\nconst WINDOW = GLOBAL_OBJ as unknown as Window;\n\nlet lastHref: string | undefined;\n\n/**\n * Add an instrumentation handler for when a fetch request happens.\n * The handler function is called once when the request starts and once when it ends,\n * which can be identified by checking if it has an `endTimestamp`.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addHistoryInstrumentationHandler(handler: (data: HandlerDataHistory) => void): void {\n const type = 'history';\n addHandler(type, handler);\n maybeInstrument(type, instrumentHistory);\n}\n\nfunction instrumentHistory(): void {\n if (!supportsHistory()) {\n return;\n }\n\n const oldOnPopState = WINDOW.onpopstate;\n WINDOW.onpopstate = function (this: WindowEventHandlers, ...args: any[]): any {\n const to = WINDOW.location.href;\n // keep track of the current URL state, as we always receive only the updated state\n const from = lastHref;\n lastHref = to;\n const handlerData: HandlerDataHistory = { from, to };\n triggerHandlers('history', handlerData);\n if (oldOnPopState) {\n // Apparently this can throw in Firefox when incorrectly implemented plugin is installed.\n // https://github.com/getsentry/sentry-javascript/issues/3344\n // https://github.com/bugsnag/bugsnag-js/issues/469\n try {\n return oldOnPopState.apply(this, args);\n } catch (_oO) {\n // no-empty\n }\n }\n };\n\n function historyReplacementFunction(originalHistoryFunction: () => void): () => void {\n return function (this: History, ...args: any[]): void {\n const url = args.length > 2 ? args[2] : undefined;\n if (url) {\n // coerce to string (this is what pushState does)\n const from = lastHref;\n const to = String(url);\n // keep track of the current URL state, as we always receive only the updated state\n lastHref = to;\n const handlerData: HandlerDataHistory = { from, to };\n triggerHandlers('history', handlerData);\n }\n return originalHistoryFunction.apply(this, args);\n };\n }\n\n fill(WINDOW.history, 'pushState', historyReplacementFunction);\n fill(WINDOW.history, 'replaceState', historyReplacementFunction);\n}\n","// TODO(v8): Move everything in this file into the browser package. Nothing here is generic and we run risk of leaking browser types into non-browser packages.\n\n/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/ban-types */\nimport type { HandlerDataXhr, SentryWrappedXMLHttpRequest, WrappedFunction } from '@sentry/types';\n\nimport { isString } from '../is';\nimport { fill } from '../object';\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\nconst WINDOW = GLOBAL_OBJ as unknown as Window;\n\nexport const SENTRY_XHR_DATA_KEY = '__sentry_xhr_v3__';\n\n/**\n * Add an instrumentation handler for when an XHR request happens.\n * The handler function is called once when the request starts and once when it ends,\n * which can be identified by checking if it has an `endTimestamp`.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addXhrInstrumentationHandler(handler: (data: HandlerDataXhr) => void): void {\n const type = 'xhr';\n addHandler(type, handler);\n maybeInstrument(type, instrumentXHR);\n}\n\n/** Exported only for tests. */\nexport function instrumentXHR(): void {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n if (!(WINDOW as any).XMLHttpRequest) {\n return;\n }\n\n const xhrproto = XMLHttpRequest.prototype;\n\n fill(xhrproto, 'open', function (originalOpen: () => void): () => void {\n return function (this: XMLHttpRequest & SentryWrappedXMLHttpRequest, ...args: any[]): void {\n const startTimestamp = Date.now();\n\n // open() should always be called with two or more arguments\n // But to be on the safe side, we actually validate this and bail out if we don't have a method & url\n const method = isString(args[0]) ? args[0].toUpperCase() : undefined;\n const url = parseUrl(args[1]);\n\n if (!method || !url) {\n return originalOpen.apply(this, args);\n }\n\n this[SENTRY_XHR_DATA_KEY] = {\n method,\n url,\n request_headers: {},\n };\n\n // if Sentry key appears in URL, don't capture it as a request\n if (method === 'POST' && url.match(/sentry_key/)) {\n this.__sentry_own_request__ = true;\n }\n\n const onreadystatechangeHandler: () => void = () => {\n // For whatever reason, this is not the same instance here as from the outer method\n const xhrInfo = this[SENTRY_XHR_DATA_KEY];\n\n if (!xhrInfo) {\n return;\n }\n\n if (this.readyState === 4) {\n try {\n // touching statusCode in some platforms throws\n // an exception\n xhrInfo.status_code = this.status;\n } catch (e) {\n /* do nothing */\n }\n\n const handlerData: HandlerDataXhr = {\n args: [method, url],\n endTimestamp: Date.now(),\n startTimestamp,\n xhr: this,\n };\n triggerHandlers('xhr', handlerData);\n }\n };\n\n if ('onreadystatechange' in this && typeof this.onreadystatechange === 'function') {\n fill(this, 'onreadystatechange', function (original: WrappedFunction): Function {\n return function (this: SentryWrappedXMLHttpRequest, ...readyStateArgs: any[]): void {\n onreadystatechangeHandler();\n return original.apply(this, readyStateArgs);\n };\n });\n } else {\n this.addEventListener('readystatechange', onreadystatechangeHandler);\n }\n\n // Intercepting `setRequestHeader` to access the request headers of XHR instance.\n // This will only work for user/library defined headers, not for the default/browser-assigned headers.\n // Request cookies are also unavailable for XHR, as `Cookie` header can't be defined by `setRequestHeader`.\n fill(this, 'setRequestHeader', function (original: WrappedFunction): Function {\n return function (this: SentryWrappedXMLHttpRequest, ...setRequestHeaderArgs: unknown[]): void {\n const [header, value] = setRequestHeaderArgs;\n\n const xhrInfo = this[SENTRY_XHR_DATA_KEY];\n\n if (xhrInfo && isString(header) && isString(value)) {\n xhrInfo.request_headers[header.toLowerCase()] = value;\n }\n\n return original.apply(this, setRequestHeaderArgs);\n };\n });\n\n return originalOpen.apply(this, args);\n };\n });\n\n fill(xhrproto, 'send', function (originalSend: () => void): () => void {\n return function (this: XMLHttpRequest & SentryWrappedXMLHttpRequest, ...args: any[]): void {\n const sentryXhrData = this[SENTRY_XHR_DATA_KEY];\n\n if (!sentryXhrData) {\n return originalSend.apply(this, args);\n }\n\n if (args[0] !== undefined) {\n sentryXhrData.body = args[0];\n }\n\n const handlerData: HandlerDataXhr = {\n args: [sentryXhrData.method, sentryXhrData.url],\n startTimestamp: Date.now(),\n xhr: this,\n };\n triggerHandlers('xhr', handlerData);\n\n return originalSend.apply(this, args);\n };\n });\n}\n\nfunction parseUrl(url: string | unknown): string | undefined {\n if (isString(url)) {\n return url;\n }\n\n try {\n // url can be a string or URL\n // but since URL is not available in IE11, we do not check for it,\n // but simply assume it is an URL and return `toString()` from it (which returns the full URL)\n // If that fails, we just return undefined\n return (url as URL).toString();\n } catch {} // eslint-disable-line no-empty\n\n return undefined;\n}\n","/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/explicit-module-boundary-types */\n\nimport type { ParameterizedString, PolymorphicEvent, Primitive } from '@sentry/types';\n\n// eslint-disable-next-line @typescript-eslint/unbound-method\nconst objectToString = Object.prototype.toString;\n\n/**\n * Checks whether given value's type is one of a few Error or Error-like\n * {@link isError}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isError(wat: unknown): wat is Error {\n switch (objectToString.call(wat)) {\n case '[object Error]':\n case '[object Exception]':\n case '[object DOMException]':\n return true;\n default:\n return isInstanceOf(wat, Error);\n }\n}\n/**\n * Checks whether given value is an instance of the given built-in class.\n *\n * @param wat The value to be checked\n * @param className\n * @returns A boolean representing the result.\n */\nfunction isBuiltin(wat: unknown, className: string): boolean {\n return objectToString.call(wat) === `[object ${className}]`;\n}\n\n/**\n * Checks whether given value's type is ErrorEvent\n * {@link isErrorEvent}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isErrorEvent(wat: unknown): boolean {\n return isBuiltin(wat, 'ErrorEvent');\n}\n\n/**\n * Checks whether given value's type is DOMError\n * {@link isDOMError}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isDOMError(wat: unknown): boolean {\n return isBuiltin(wat, 'DOMError');\n}\n\n/**\n * Checks whether given value's type is DOMException\n * {@link isDOMException}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isDOMException(wat: unknown): boolean {\n return isBuiltin(wat, 'DOMException');\n}\n\n/**\n * Checks whether given value's type is a string\n * {@link isString}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isString(wat: unknown): wat is string {\n return isBuiltin(wat, 'String');\n}\n\n/**\n * Checks whether given string is parameterized\n * {@link isParameterizedString}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isParameterizedString(wat: unknown): wat is ParameterizedString {\n return (\n typeof wat === 'object' &&\n wat !== null &&\n '__sentry_template_string__' in wat &&\n '__sentry_template_values__' in wat\n );\n}\n\n/**\n * Checks whether given value is a primitive (undefined, null, number, boolean, string, bigint, symbol)\n * {@link isPrimitive}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isPrimitive(wat: unknown): wat is Primitive {\n return wat === null || isParameterizedString(wat) || (typeof wat !== 'object' && typeof wat !== 'function');\n}\n\n/**\n * Checks whether given value's type is an object literal, or a class instance.\n * {@link isPlainObject}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isPlainObject(wat: unknown): wat is Record {\n return isBuiltin(wat, 'Object');\n}\n\n/**\n * Checks whether given value's type is an Event instance\n * {@link isEvent}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isEvent(wat: unknown): wat is PolymorphicEvent {\n return typeof Event !== 'undefined' && isInstanceOf(wat, Event);\n}\n\n/**\n * Checks whether given value's type is an Element instance\n * {@link isElement}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isElement(wat: unknown): boolean {\n return typeof Element !== 'undefined' && isInstanceOf(wat, Element);\n}\n\n/**\n * Checks whether given value's type is an regexp\n * {@link isRegExp}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isRegExp(wat: unknown): wat is RegExp {\n return isBuiltin(wat, 'RegExp');\n}\n\n/**\n * Checks whether given value has a then function.\n * @param wat A value to be checked.\n */\nexport function isThenable(wat: any): wat is PromiseLike {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n return Boolean(wat && wat.then && typeof wat.then === 'function');\n}\n\n/**\n * Checks whether given value's type is a SyntheticEvent\n * {@link isSyntheticEvent}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isSyntheticEvent(wat: unknown): boolean {\n return isPlainObject(wat) && 'nativeEvent' in wat && 'preventDefault' in wat && 'stopPropagation' in wat;\n}\n\n/**\n * Checks whether given value is NaN\n * {@link isNaN}.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isNaN(wat: unknown): boolean {\n return typeof wat === 'number' && wat !== wat;\n}\n\n/**\n * Checks whether given value's type is an instance of provided constructor.\n * {@link isInstanceOf}.\n *\n * @param wat A value to be checked.\n * @param base A constructor to be used in a check.\n * @returns A boolean representing the result.\n */\nexport function isInstanceOf(wat: any, base: any): boolean {\n try {\n return wat instanceof base;\n } catch (_e) {\n return false;\n }\n}\n\ninterface VueViewModel {\n // Vue3\n __isVue?: boolean;\n // Vue2\n _isVue?: boolean;\n}\n/**\n * Checks whether given value's type is a Vue ViewModel.\n *\n * @param wat A value to be checked.\n * @returns A boolean representing the result.\n */\nexport function isVueViewModel(wat: unknown): boolean {\n // Not using Object.prototype.toString because in Vue 3 it would read the instance's Symbol(Symbol.toStringTag) property.\n return !!(typeof wat === 'object' && wat !== null && ((wat as VueViewModel).__isVue || (wat as VueViewModel)._isVue));\n}\n","import type { ConsoleLevel } from '@sentry/types';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport { GLOBAL_OBJ } from './worldwide';\n\n/** Prefix for logging strings */\nconst PREFIX = 'Sentry Logger ';\n\nexport const CONSOLE_LEVELS: readonly ConsoleLevel[] = [\n 'debug',\n 'info',\n 'warn',\n 'error',\n 'log',\n 'assert',\n 'trace',\n] as const;\n\ntype LoggerMethod = (...args: unknown[]) => void;\ntype LoggerConsoleMethods = Record;\n\n/** This may be mutated by the console instrumentation. */\nexport const originalConsoleMethods: {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n [key in ConsoleLevel]?: (...args: any[]) => void;\n} = {};\n\n/** JSDoc */\ninterface Logger extends LoggerConsoleMethods {\n disable(): void;\n enable(): void;\n isEnabled(): boolean;\n}\n\n/**\n * Temporarily disable sentry console instrumentations.\n *\n * @param callback The function to run against the original `console` messages\n * @returns The results of the callback\n */\nexport function consoleSandbox(callback: () => T): T {\n if (!('console' in GLOBAL_OBJ)) {\n return callback();\n }\n\n const console = GLOBAL_OBJ.console as Console;\n const wrappedFuncs: Partial = {};\n\n const wrappedLevels = Object.keys(originalConsoleMethods) as ConsoleLevel[];\n\n // Restore all wrapped console methods\n wrappedLevels.forEach(level => {\n const originalConsoleMethod = originalConsoleMethods[level] as LoggerMethod;\n wrappedFuncs[level] = console[level] as LoggerMethod | undefined;\n console[level] = originalConsoleMethod;\n });\n\n try {\n return callback();\n } finally {\n // Revert restoration to wrapped state\n wrappedLevels.forEach(level => {\n console[level] = wrappedFuncs[level] as LoggerMethod;\n });\n }\n}\n\nfunction makeLogger(): Logger {\n let enabled = false;\n const logger: Partial = {\n enable: () => {\n enabled = true;\n },\n disable: () => {\n enabled = false;\n },\n isEnabled: () => enabled,\n };\n\n if (DEBUG_BUILD) {\n CONSOLE_LEVELS.forEach(name => {\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n logger[name] = (...args: any[]) => {\n if (enabled) {\n consoleSandbox(() => {\n GLOBAL_OBJ.console[name](`${PREFIX}[${name}]:`, ...args);\n });\n }\n };\n });\n } else {\n CONSOLE_LEVELS.forEach(name => {\n logger[name] = () => undefined;\n });\n }\n\n return logger as Logger;\n}\n\nexport const logger = makeLogger();\n","/* eslint-disable @typescript-eslint/no-explicit-any */\nimport type { Event, Exception, Mechanism, StackFrame } from '@sentry/types';\n\nimport { addNonEnumerableProperty } from './object';\nimport { snipLine } from './string';\nimport { GLOBAL_OBJ } from './worldwide';\n\ninterface CryptoInternal {\n getRandomValues(array: Uint8Array): Uint8Array;\n randomUUID?(): string;\n}\n\n/** An interface for common properties on global */\ninterface CryptoGlobal {\n msCrypto?: CryptoInternal;\n crypto?: CryptoInternal;\n}\n\n/**\n * UUID4 generator\n *\n * @returns string Generated UUID4.\n */\nexport function uuid4(): string {\n const gbl = GLOBAL_OBJ as typeof GLOBAL_OBJ & CryptoGlobal;\n const crypto = gbl.crypto || gbl.msCrypto;\n\n let getRandomByte = (): number => Math.random() * 16;\n try {\n if (crypto && crypto.randomUUID) {\n return crypto.randomUUID().replace(/-/g, '');\n }\n if (crypto && crypto.getRandomValues) {\n getRandomByte = () => {\n // crypto.getRandomValues might return undefined instead of the typed array\n // in old Chromium versions (e.g. 23.0.1235.0 (151422))\n // However, `typedArray` is still filled in-place.\n // @see https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues#typedarray\n const typedArray = new Uint8Array(1);\n crypto.getRandomValues(typedArray);\n return typedArray[0];\n };\n }\n } catch (_) {\n // some runtimes can crash invoking crypto\n // https://github.com/getsentry/sentry-javascript/issues/8935\n }\n\n // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523\n // Concatenating the following numbers as strings results in '10000000100040008000100000000000'\n return (([1e7] as unknown as string) + 1e3 + 4e3 + 8e3 + 1e11).replace(/[018]/g, c =>\n // eslint-disable-next-line no-bitwise\n ((c as unknown as number) ^ ((getRandomByte() & 15) >> ((c as unknown as number) / 4))).toString(16),\n );\n}\n\nfunction getFirstException(event: Event): Exception | undefined {\n return event.exception && event.exception.values ? event.exception.values[0] : undefined;\n}\n\n/**\n * Extracts either message or type+value from an event that can be used for user-facing logs\n * @returns event's description\n */\nexport function getEventDescription(event: Event): string {\n const { message, event_id: eventId } = event;\n if (message) {\n return message;\n }\n\n const firstException = getFirstException(event);\n if (firstException) {\n if (firstException.type && firstException.value) {\n return `${firstException.type}: ${firstException.value}`;\n }\n return firstException.type || firstException.value || eventId || '';\n }\n return eventId || '';\n}\n\n/**\n * Adds exception values, type and value to an synthetic Exception.\n * @param event The event to modify.\n * @param value Value of the exception.\n * @param type Type of the exception.\n * @hidden\n */\nexport function addExceptionTypeValue(event: Event, value?: string, type?: string): void {\n const exception = (event.exception = event.exception || {});\n const values = (exception.values = exception.values || []);\n const firstException = (values[0] = values[0] || {});\n if (!firstException.value) {\n firstException.value = value || '';\n }\n if (!firstException.type) {\n firstException.type = type || 'Error';\n }\n}\n\n/**\n * Adds exception mechanism data to a given event. Uses defaults if the second parameter is not passed.\n *\n * @param event The event to modify.\n * @param newMechanism Mechanism data to add to the event.\n * @hidden\n */\nexport function addExceptionMechanism(event: Event, newMechanism?: Partial): void {\n const firstException = getFirstException(event);\n if (!firstException) {\n return;\n }\n\n const defaultMechanism = { type: 'generic', handled: true };\n const currentMechanism = firstException.mechanism;\n firstException.mechanism = { ...defaultMechanism, ...currentMechanism, ...newMechanism };\n\n if (newMechanism && 'data' in newMechanism) {\n const mergedData = { ...(currentMechanism && currentMechanism.data), ...newMechanism.data };\n firstException.mechanism.data = mergedData;\n }\n}\n\n// https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string\nconst SEMVER_REGEXP =\n /^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$/;\n\n/**\n * Represents Semantic Versioning object\n */\ninterface SemVer {\n major?: number;\n minor?: number;\n patch?: number;\n prerelease?: string;\n buildmetadata?: string;\n}\n\n/**\n * Parses input into a SemVer interface\n * @param input string representation of a semver version\n */\nexport function parseSemver(input: string): SemVer {\n const match = input.match(SEMVER_REGEXP) || [];\n const major = parseInt(match[1], 10);\n const minor = parseInt(match[2], 10);\n const patch = parseInt(match[3], 10);\n return {\n buildmetadata: match[5],\n major: isNaN(major) ? undefined : major,\n minor: isNaN(minor) ? undefined : minor,\n patch: isNaN(patch) ? undefined : patch,\n prerelease: match[4],\n };\n}\n\n/**\n * This function adds context (pre/post/line) lines to the provided frame\n *\n * @param lines string[] containing all lines\n * @param frame StackFrame that will be mutated\n * @param linesOfContext number of context lines we want to add pre/post\n */\nexport function addContextToFrame(lines: string[], frame: StackFrame, linesOfContext: number = 5): void {\n // When there is no line number in the frame, attaching context is nonsensical and will even break grouping\n if (frame.lineno === undefined) {\n return;\n }\n\n const maxLines = lines.length;\n const sourceLine = Math.max(Math.min(maxLines - 1, frame.lineno - 1), 0);\n\n frame.pre_context = lines\n .slice(Math.max(0, sourceLine - linesOfContext), sourceLine)\n .map((line: string) => snipLine(line, 0));\n\n frame.context_line = snipLine(lines[Math.min(maxLines - 1, sourceLine)], frame.colno || 0);\n\n frame.post_context = lines\n .slice(Math.min(sourceLine + 1, maxLines), sourceLine + 1 + linesOfContext)\n .map((line: string) => snipLine(line, 0));\n}\n\n/**\n * Checks whether or not we've already captured the given exception (note: not an identical exception - the very object\n * in question), and marks it captured if not.\n *\n * This is useful because it's possible for an error to get captured by more than one mechanism. After we intercept and\n * record an error, we rethrow it (assuming we've intercepted it before it's reached the top-level global handlers), so\n * that we don't interfere with whatever effects the error might have had were the SDK not there. At that point, because\n * the error has been rethrown, it's possible for it to bubble up to some other code we've instrumented. If it's not\n * caught after that, it will bubble all the way up to the global handlers (which of course we also instrument). This\n * function helps us ensure that even if we encounter the same error more than once, we only record it the first time we\n * see it.\n *\n * Note: It will ignore primitives (always return `false` and not mark them as seen), as properties can't be set on\n * them. {@link: Object.objectify} can be used on exceptions to convert any that are primitives into their equivalent\n * object wrapper forms so that this check will always work. However, because we need to flag the exact object which\n * will get rethrown, and because that rethrowing happens outside of the event processing pipeline, the objectification\n * must be done before the exception captured.\n *\n * @param A thrown exception to check or flag as having been seen\n * @returns `true` if the exception has already been captured, `false` if not (with the side effect of marking it seen)\n */\nexport function checkOrSetAlreadyCaught(exception: unknown): boolean {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n if (exception && (exception as any).__sentry_captured__) {\n return true;\n }\n\n try {\n // set it this way rather than by assignment so that it's not ennumerable and therefore isn't recorded by the\n // `ExtraErrorData` integration\n addNonEnumerableProperty(exception as { [key: string]: unknown }, '__sentry_captured__', true);\n } catch (err) {\n // `exception` is a primitive, so we can't mark it seen\n }\n\n return false;\n}\n\n/**\n * Checks whether the given input is already an array, and if it isn't, wraps it in one.\n *\n * @param maybeArray Input to turn into an array, if necessary\n * @returns The input, if already an array, or an array with the input as the only element, if not\n */\nexport function arrayify(maybeArray: T | T[]): T[] {\n return Array.isArray(maybeArray) ? maybeArray : [maybeArray];\n}\n","import type { Primitive } from '@sentry/types';\n\nimport { isNaN, isSyntheticEvent, isVueViewModel } from './is';\nimport type { MemoFunc } from './memo';\nimport { memoBuilder } from './memo';\nimport { convertToPlainObject } from './object';\nimport { getFunctionName } from './stacktrace';\n\ntype Prototype = { constructor: (...args: unknown[]) => unknown };\n// This is a hack to placate TS, relying on the fact that technically, arrays are objects with integer keys. Normally we\n// think of those keys as actual numbers, but `arr['0']` turns out to work just as well as `arr[0]`, and doing it this\n// way lets us use a single type in the places where behave as if we are only dealing with objects, even if some of them\n// might be arrays.\ntype ObjOrArray = { [key: string]: T };\n\n/**\n * Recursively normalizes the given object.\n *\n * - Creates a copy to prevent original input mutation\n * - Skips non-enumerable properties\n * - When stringifying, calls `toJSON` if implemented\n * - Removes circular references\n * - Translates non-serializable values (`undefined`/`NaN`/functions) to serializable format\n * - Translates known global objects/classes to a string representations\n * - Takes care of `Error` object serialization\n * - Optionally limits depth of final output\n * - Optionally limits number of properties/elements included in any single object/array\n *\n * @param input The object to be normalized.\n * @param depth The max depth to which to normalize the object. (Anything deeper stringified whole.)\n * @param maxProperties The max number of elements or properties to be included in any single array or\n * object in the normallized output.\n * @returns A normalized version of the object, or `\"**non-serializable**\"` if any errors are thrown during normalization.\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport function normalize(input: unknown, depth: number = 100, maxProperties: number = +Infinity): any {\n try {\n // since we're at the outermost level, we don't provide a key\n return visit('', input, depth, maxProperties);\n } catch (err) {\n return { ERROR: `**non-serializable** (${err})` };\n }\n}\n\n/** JSDoc */\nexport function normalizeToSize(\n // eslint-disable-next-line @typescript-eslint/no-explicit-any\n object: { [key: string]: any },\n // Default Node.js REPL depth\n depth: number = 3,\n // 100kB, as 200kB is max payload size, so half sounds reasonable\n maxSize: number = 100 * 1024,\n): T {\n const normalized = normalize(object, depth);\n\n if (jsonSize(normalized) > maxSize) {\n return normalizeToSize(object, depth - 1, maxSize);\n }\n\n return normalized as T;\n}\n\n/**\n * Visits a node to perform normalization on it\n *\n * @param key The key corresponding to the given node\n * @param value The node to be visited\n * @param depth Optional number indicating the maximum recursion depth\n * @param maxProperties Optional maximum number of properties/elements included in any single object/array\n * @param memo Optional Memo class handling decycling\n */\nfunction visit(\n key: string,\n value: unknown,\n depth: number = +Infinity,\n maxProperties: number = +Infinity,\n memo: MemoFunc = memoBuilder(),\n): Primitive | ObjOrArray {\n const [memoize, unmemoize] = memo;\n\n // Get the simple cases out of the way first\n if (\n value == null || // this matches null and undefined -> eqeq not eqeqeq\n (['number', 'boolean', 'string'].includes(typeof value) && !isNaN(value))\n ) {\n return value as Primitive;\n }\n\n const stringified = stringifyValue(key, value);\n\n // Anything we could potentially dig into more (objects or arrays) will have come back as `\"[object XXXX]\"`.\n // Everything else will have already been serialized, so if we don't see that pattern, we're done.\n if (!stringified.startsWith('[object ')) {\n return stringified;\n }\n\n // From here on, we can assert that `value` is either an object or an array.\n\n // Do not normalize objects that we know have already been normalized. As a general rule, the\n // \"__sentry_skip_normalization__\" property should only be used sparingly and only should only be set on objects that\n // have already been normalized.\n if ((value as ObjOrArray)['__sentry_skip_normalization__']) {\n return value as ObjOrArray;\n }\n\n // We can set `__sentry_override_normalization_depth__` on an object to ensure that from there\n // We keep a certain amount of depth.\n // This should be used sparingly, e.g. we use it for the redux integration to ensure we get a certain amount of state.\n const remainingDepth =\n typeof (value as ObjOrArray)['__sentry_override_normalization_depth__'] === 'number'\n ? ((value as ObjOrArray)['__sentry_override_normalization_depth__'] as number)\n : depth;\n\n // We're also done if we've reached the max depth\n if (remainingDepth === 0) {\n // At this point we know `serialized` is a string of the form `\"[object XXXX]\"`. Clean it up so it's just `\"[XXXX]\"`.\n return stringified.replace('object ', '');\n }\n\n // If we've already visited this branch, bail out, as it's circular reference. If not, note that we're seeing it now.\n if (memoize(value)) {\n return '[Circular ~]';\n }\n\n // If the value has a `toJSON` method, we call it to extract more information\n const valueWithToJSON = value as unknown & { toJSON?: () => unknown };\n if (valueWithToJSON && typeof valueWithToJSON.toJSON === 'function') {\n try {\n const jsonValue = valueWithToJSON.toJSON();\n // We need to normalize the return value of `.toJSON()` in case it has circular references\n return visit('', jsonValue, remainingDepth - 1, maxProperties, memo);\n } catch (err) {\n // pass (The built-in `toJSON` failed, but we can still try to do it ourselves)\n }\n }\n\n // At this point we know we either have an object or an array, we haven't seen it before, and we're going to recurse\n // because we haven't yet reached the max depth. Create an accumulator to hold the results of visiting each\n // property/entry, and keep track of the number of items we add to it.\n const normalized = (Array.isArray(value) ? [] : {}) as ObjOrArray;\n let numAdded = 0;\n\n // Before we begin, convert`Error` and`Event` instances into plain objects, since some of each of their relevant\n // properties are non-enumerable and otherwise would get missed.\n const visitable = convertToPlainObject(value as ObjOrArray);\n\n for (const visitKey in visitable) {\n // Avoid iterating over fields in the prototype if they've somehow been exposed to enumeration.\n if (!Object.prototype.hasOwnProperty.call(visitable, visitKey)) {\n continue;\n }\n\n if (numAdded >= maxProperties) {\n normalized[visitKey] = '[MaxProperties ~]';\n break;\n }\n\n // Recursively visit all the child nodes\n const visitValue = visitable[visitKey];\n normalized[visitKey] = visit(visitKey, visitValue, remainingDepth - 1, maxProperties, memo);\n\n numAdded++;\n }\n\n // Once we've visited all the branches, remove the parent from memo storage\n unmemoize(value);\n\n // Return accumulated values\n return normalized;\n}\n\n/**\n * @deprecated This export will be removed in v8.\n */\nexport { visit as walk };\n\n/* eslint-disable complexity */\n/**\n * Stringify the given value. Handles various known special values and types.\n *\n * Not meant to be used on simple primitives which already have a string representation, as it will, for example, turn\n * the number 1231 into \"[Object Number]\", nor on `null`, as it will throw.\n *\n * @param value The value to stringify\n * @returns A stringified representation of the given value\n */\nfunction stringifyValue(\n key: unknown,\n // this type is a tiny bit of a cheat, since this function does handle NaN (which is technically a number), but for\n // our internal use, it'll do\n value: Exclude,\n): string {\n try {\n if (key === 'domain' && value && typeof value === 'object' && (value as { _events: unknown })._events) {\n return '[Domain]';\n }\n\n if (key === 'domainEmitter') {\n return '[DomainEmitter]';\n }\n\n // It's safe to use `global`, `window`, and `document` here in this manner, as we are asserting using `typeof` first\n // which won't throw if they are not present.\n\n if (typeof global !== 'undefined' && value === global) {\n return '[Global]';\n }\n\n // eslint-disable-next-line no-restricted-globals\n if (typeof window !== 'undefined' && value === window) {\n return '[Window]';\n }\n\n // eslint-disable-next-line no-restricted-globals\n if (typeof document !== 'undefined' && value === document) {\n return '[Document]';\n }\n\n if (isVueViewModel(value)) {\n return '[VueViewModel]';\n }\n\n // React's SyntheticEvent thingy\n if (isSyntheticEvent(value)) {\n return '[SyntheticEvent]';\n }\n\n if (typeof value === 'number' && value !== value) {\n return '[NaN]';\n }\n\n if (typeof value === 'function') {\n return `[Function: ${getFunctionName(value)}]`;\n }\n\n if (typeof value === 'symbol') {\n return `[${String(value)}]`;\n }\n\n // stringified BigInts are indistinguishable from regular numbers, so we need to label them to avoid confusion\n if (typeof value === 'bigint') {\n return `[BigInt: ${String(value)}]`;\n }\n\n // Now that we've knocked out all the special cases and the primitives, all we have left are objects. Simply casting\n // them to strings means that instances of classes which haven't defined their `toStringTag` will just come out as\n // `\"[object Object]\"`. If we instead look at the constructor's name (which is the same as the name of the class),\n // we can make sure that only plain objects come out that way.\n const objName = getConstructorName(value);\n\n // Handle HTML Elements\n if (/^HTML(\\w*)Element$/.test(objName)) {\n return `[HTMLElement: ${objName}]`;\n }\n\n return `[object ${objName}]`;\n } catch (err) {\n return `**non-serializable** (${err})`;\n }\n}\n/* eslint-enable complexity */\n\nfunction getConstructorName(value: unknown): string {\n const prototype: Prototype | null = Object.getPrototypeOf(value);\n\n return prototype ? prototype.constructor.name : 'null prototype';\n}\n\n/** Calculates bytes size of input string */\nfunction utf8Length(value: string): number {\n // eslint-disable-next-line no-bitwise\n return ~-encodeURI(value).split(/%..|./).length;\n}\n\n/** Calculates bytes size of input object */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction jsonSize(value: any): number {\n return utf8Length(JSON.stringify(value));\n}\n\n/**\n * Normalizes URLs in exceptions and stacktraces to a base path so Sentry can fingerprint\n * across platforms and working directory.\n *\n * @param url The URL to be normalized.\n * @param basePath The application base path.\n * @returns The normalized URL.\n */\nexport function normalizeUrlToBase(url: string, basePath: string): string {\n const escapedBase = basePath\n // Backslash to forward\n .replace(/\\\\/g, '/')\n // Escape RegExp special characters\n .replace(/[|\\\\{}()[\\]^$+*?.]/g, '\\\\$&');\n\n let newUrl = url;\n try {\n newUrl = decodeURI(url);\n } catch (_Oo) {\n // Sometime this breaks\n }\n return (\n newUrl\n .replace(/\\\\/g, '/')\n .replace(/webpack:\\/?/g, '') // Remove intermediate base path\n // eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor\n .replace(new RegExp(`(file://)?/*${escapedBase}/*`, 'ig'), 'app:///')\n );\n}\n","/* eslint-disable @typescript-eslint/no-unsafe-member-access */\n/* eslint-disable @typescript-eslint/no-explicit-any */\n\nexport type MemoFunc = [\n // memoize\n (obj: any) => boolean,\n // unmemoize\n (obj: any) => void,\n];\n\n/**\n * Helper to decycle json objects\n */\nexport function memoBuilder(): MemoFunc {\n const hasWeakSet = typeof WeakSet === 'function';\n const inner: any = hasWeakSet ? new WeakSet() : [];\n function memoize(obj: any): boolean {\n if (hasWeakSet) {\n if (inner.has(obj)) {\n return true;\n }\n inner.add(obj);\n return false;\n }\n // eslint-disable-next-line @typescript-eslint/prefer-for-of\n for (let i = 0; i < inner.length; i++) {\n const value = inner[i];\n if (value === obj) {\n return true;\n }\n }\n inner.push(obj);\n return false;\n }\n\n function unmemoize(obj: any): void {\n if (hasWeakSet) {\n inner.delete(obj);\n } else {\n for (let i = 0; i < inner.length; i++) {\n if (inner[i] === obj) {\n inner.splice(i, 1);\n break;\n }\n }\n }\n }\n return [memoize, unmemoize];\n}\n","/* eslint-disable max-lines */\n/* eslint-disable @typescript-eslint/no-explicit-any */\nimport type { WrappedFunction } from '@sentry/types';\n\nimport { htmlTreeAsString } from './browser';\nimport { DEBUG_BUILD } from './debug-build';\nimport { isElement, isError, isEvent, isInstanceOf, isPlainObject, isPrimitive } from './is';\nimport { logger } from './logger';\nimport { truncate } from './string';\n\n/**\n * Replace a method in an object with a wrapped version of itself.\n *\n * @param source An object that contains a method to be wrapped.\n * @param name The name of the method to be wrapped.\n * @param replacementFactory A higher-order function that takes the original version of the given method and returns a\n * wrapped version. Note: The function returned by `replacementFactory` needs to be a non-arrow function, in order to\n * preserve the correct value of `this`, and the original method must be called using `origMethod.call(this, )` or `origMethod.apply(this, [])` (rather than being called directly), again to preserve `this`.\n * @returns void\n */\nexport function fill(source: { [key: string]: any }, name: string, replacementFactory: (...args: any[]) => any): void {\n if (!(name in source)) {\n return;\n }\n\n const original = source[name] as () => any;\n const wrapped = replacementFactory(original) as WrappedFunction;\n\n // Make sure it's a function first, as we need to attach an empty prototype for `defineProperties` to work\n // otherwise it'll throw \"TypeError: Object.defineProperties called on non-object\"\n if (typeof wrapped === 'function') {\n markFunctionWrapped(wrapped, original);\n }\n\n source[name] = wrapped;\n}\n\n/**\n * Defines a non-enumerable property on the given object.\n *\n * @param obj The object on which to set the property\n * @param name The name of the property to be set\n * @param value The value to which to set the property\n */\nexport function addNonEnumerableProperty(obj: object, name: string, value: unknown): void {\n try {\n Object.defineProperty(obj, name, {\n // enumerable: false, // the default, so we can save on bundle size by not explicitly setting it\n value: value,\n writable: true,\n configurable: true,\n });\n } catch (o_O) {\n DEBUG_BUILD && logger.log(`Failed to add non-enumerable property \"${name}\" to object`, obj);\n }\n}\n\n/**\n * Remembers the original function on the wrapped function and\n * patches up the prototype.\n *\n * @param wrapped the wrapper function\n * @param original the original function that gets wrapped\n */\nexport function markFunctionWrapped(wrapped: WrappedFunction, original: WrappedFunction): void {\n try {\n const proto = original.prototype || {};\n wrapped.prototype = original.prototype = proto;\n addNonEnumerableProperty(wrapped, '__sentry_original__', original);\n } catch (o_O) {} // eslint-disable-line no-empty\n}\n\n/**\n * This extracts the original function if available. See\n * `markFunctionWrapped` for more information.\n *\n * @param func the function to unwrap\n * @returns the unwrapped version of the function if available.\n */\nexport function getOriginalFunction(func: WrappedFunction): WrappedFunction | undefined {\n return func.__sentry_original__;\n}\n\n/**\n * Encodes given object into url-friendly format\n *\n * @param object An object that contains serializable values\n * @returns string Encoded\n */\nexport function urlEncode(object: { [key: string]: any }): string {\n return Object.keys(object)\n .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(object[key])}`)\n .join('&');\n}\n\n/**\n * Transforms any `Error` or `Event` into a plain object with all of their enumerable properties, and some of their\n * non-enumerable properties attached.\n *\n * @param value Initial source that we have to transform in order for it to be usable by the serializer\n * @returns An Event or Error turned into an object - or the value argurment itself, when value is neither an Event nor\n * an Error.\n */\nexport function convertToPlainObject(\n value: V,\n):\n | {\n [ownProps: string]: unknown;\n type: string;\n target: string;\n currentTarget: string;\n detail?: unknown;\n }\n | {\n [ownProps: string]: unknown;\n message: string;\n name: string;\n stack?: string;\n }\n | V {\n if (isError(value)) {\n return {\n message: value.message,\n name: value.name,\n stack: value.stack,\n ...getOwnProperties(value),\n };\n } else if (isEvent(value)) {\n const newObj: {\n [ownProps: string]: unknown;\n type: string;\n target: string;\n currentTarget: string;\n detail?: unknown;\n } = {\n type: value.type,\n target: serializeEventTarget(value.target),\n currentTarget: serializeEventTarget(value.currentTarget),\n ...getOwnProperties(value),\n };\n\n if (typeof CustomEvent !== 'undefined' && isInstanceOf(value, CustomEvent)) {\n newObj.detail = value.detail;\n }\n\n return newObj;\n } else {\n return value;\n }\n}\n\n/** Creates a string representation of the target of an `Event` object */\nfunction serializeEventTarget(target: unknown): string {\n try {\n return isElement(target) ? htmlTreeAsString(target) : Object.prototype.toString.call(target);\n } catch (_oO) {\n return '';\n }\n}\n\n/** Filters out all but an object's own properties */\nfunction getOwnProperties(obj: unknown): { [key: string]: unknown } {\n if (typeof obj === 'object' && obj !== null) {\n const extractedProps: { [key: string]: unknown } = {};\n for (const property in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, property)) {\n extractedProps[property] = (obj as Record)[property];\n }\n }\n return extractedProps;\n } else {\n return {};\n }\n}\n\n/**\n * Given any captured exception, extract its keys and create a sorted\n * and truncated list that will be used inside the event message.\n * eg. `Non-error exception captured with keys: foo, bar, baz`\n */\nexport function extractExceptionKeysForMessage(exception: Record, maxLength: number = 40): string {\n const keys = Object.keys(convertToPlainObject(exception));\n keys.sort();\n\n if (!keys.length) {\n return '[object has no keys]';\n }\n\n if (keys[0].length >= maxLength) {\n return truncate(keys[0], maxLength);\n }\n\n for (let includedKeys = keys.length; includedKeys > 0; includedKeys--) {\n const serialized = keys.slice(0, includedKeys).join(', ');\n if (serialized.length > maxLength) {\n continue;\n }\n if (includedKeys === keys.length) {\n return serialized;\n }\n return truncate(serialized, maxLength);\n }\n\n return '';\n}\n\n/**\n * Given any object, return a new object having removed all fields whose value was `undefined`.\n * Works recursively on objects and arrays.\n *\n * Attention: This function keeps circular references in the returned object.\n */\nexport function dropUndefinedKeys(inputValue: T): T {\n // This map keeps track of what already visited nodes map to.\n // Our Set - based memoBuilder doesn't work here because we want to the output object to have the same circular\n // references as the input object.\n const memoizationMap = new Map();\n\n // This function just proxies `_dropUndefinedKeys` to keep the `memoBuilder` out of this function's API\n return _dropUndefinedKeys(inputValue, memoizationMap);\n}\n\nfunction _dropUndefinedKeys(inputValue: T, memoizationMap: Map): T {\n if (isPojo(inputValue)) {\n // If this node has already been visited due to a circular reference, return the object it was mapped to in the new object\n const memoVal = memoizationMap.get(inputValue);\n if (memoVal !== undefined) {\n return memoVal as T;\n }\n\n const returnValue: { [key: string]: any } = {};\n // Store the mapping of this value in case we visit it again, in case of circular data\n memoizationMap.set(inputValue, returnValue);\n\n for (const key of Object.keys(inputValue)) {\n if (typeof inputValue[key] !== 'undefined') {\n returnValue[key] = _dropUndefinedKeys(inputValue[key], memoizationMap);\n }\n }\n\n return returnValue as T;\n }\n\n if (Array.isArray(inputValue)) {\n // If this node has already been visited due to a circular reference, return the array it was mapped to in the new object\n const memoVal = memoizationMap.get(inputValue);\n if (memoVal !== undefined) {\n return memoVal as T;\n }\n\n const returnValue: unknown[] = [];\n // Store the mapping of this value in case we visit it again, in case of circular data\n memoizationMap.set(inputValue, returnValue);\n\n inputValue.forEach((item: unknown) => {\n returnValue.push(_dropUndefinedKeys(item, memoizationMap));\n });\n\n return returnValue as unknown as T;\n }\n\n return inputValue;\n}\n\nfunction isPojo(input: unknown): input is Record {\n if (!isPlainObject(input)) {\n return false;\n }\n\n try {\n const name = (Object.getPrototypeOf(input) as { constructor: { name: string } }).constructor.name;\n return !name || name === 'Object';\n } catch {\n return true;\n }\n}\n\n/**\n * Ensure that something is an object.\n *\n * Turns `undefined` and `null` into `String`s and all other primitives into instances of their respective wrapper\n * classes (String, Boolean, Number, etc.). Acts as the identity function on non-primitives.\n *\n * @param wat The subject of the objectification\n * @returns A version of `wat` which can safely be used with `Object` class methods\n */\nexport function objectify(wat: unknown): typeof Object {\n let objectified;\n switch (true) {\n case wat === undefined || wat === null:\n objectified = new String(wat);\n break;\n\n // Though symbols and bigints do have wrapper classes (`Symbol` and `BigInt`, respectively), for whatever reason\n // those classes don't have constructors which can be used with the `new` keyword. We therefore need to cast each as\n // an object in order to wrap it.\n case typeof wat === 'symbol' || typeof wat === 'bigint':\n objectified = Object(wat);\n break;\n\n // this will catch the remaining primitives: `String`, `Number`, and `Boolean`\n case isPrimitive(wat):\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n objectified = new (wat as any).constructor(wat);\n break;\n\n // by process of elimination, at this point we know that `wat` must already be an object\n default:\n objectified = wat;\n break;\n }\n return objectified;\n}\n","import type { StackFrame, StackLineParser, StackParser } from '@sentry/types';\n\nimport type { GetModuleFn } from './node-stack-trace';\nimport { filenameIsInApp, node } from './node-stack-trace';\n\nexport { filenameIsInApp };\n\nconst STACKTRACE_FRAME_LIMIT = 50;\n// Used to sanitize webpack (error: *) wrapped stack errors\nconst WEBPACK_ERROR_REGEXP = /\\(error: (.*)\\)/;\nconst STRIP_FRAME_REGEXP = /captureMessage|captureException/;\n\n/**\n * Creates a stack parser with the supplied line parsers\n *\n * StackFrames are returned in the correct order for Sentry Exception\n * frames and with Sentry SDK internal frames removed from the top and bottom\n *\n */\nexport function createStackParser(...parsers: StackLineParser[]): StackParser {\n const sortedParsers = parsers.sort((a, b) => a[0] - b[0]).map(p => p[1]);\n\n return (stack: string, skipFirst: number = 0): StackFrame[] => {\n const frames: StackFrame[] = [];\n const lines = stack.split('\\n');\n\n for (let i = skipFirst; i < lines.length; i++) {\n const line = lines[i];\n // Ignore lines over 1kb as they are unlikely to be stack frames.\n // Many of the regular expressions use backtracking which results in run time that increases exponentially with\n // input size. Huge strings can result in hangs/Denial of Service:\n // https://github.com/getsentry/sentry-javascript/issues/2286\n if (line.length > 1024) {\n continue;\n }\n\n // https://github.com/getsentry/sentry-javascript/issues/5459\n // Remove webpack (error: *) wrappers\n const cleanedLine = WEBPACK_ERROR_REGEXP.test(line) ? line.replace(WEBPACK_ERROR_REGEXP, '$1') : line;\n\n // https://github.com/getsentry/sentry-javascript/issues/7813\n // Skip Error: lines\n if (cleanedLine.match(/\\S*Error: /)) {\n continue;\n }\n\n for (const parser of sortedParsers) {\n const frame = parser(cleanedLine);\n\n if (frame) {\n frames.push(frame);\n break;\n }\n }\n\n if (frames.length >= STACKTRACE_FRAME_LIMIT) {\n break;\n }\n }\n\n return stripSentryFramesAndReverse(frames);\n };\n}\n\n/**\n * Gets a stack parser implementation from Options.stackParser\n * @see Options\n *\n * If options contains an array of line parsers, it is converted into a parser\n */\nexport function stackParserFromStackParserOptions(stackParser: StackParser | StackLineParser[]): StackParser {\n if (Array.isArray(stackParser)) {\n return createStackParser(...stackParser);\n }\n return stackParser;\n}\n\n/**\n * Removes Sentry frames from the top and bottom of the stack if present and enforces a limit of max number of frames.\n * Assumes stack input is ordered from top to bottom and returns the reverse representation so call site of the\n * function that caused the crash is the last frame in the array.\n * @hidden\n */\nexport function stripSentryFramesAndReverse(stack: ReadonlyArray): StackFrame[] {\n if (!stack.length) {\n return [];\n }\n\n const localStack = Array.from(stack);\n\n // If stack starts with one of our API calls, remove it (starts, meaning it's the top of the stack - aka last call)\n if (/sentryWrapped/.test(localStack[localStack.length - 1].function || '')) {\n localStack.pop();\n }\n\n // Reversing in the middle of the procedure allows us to just pop the values off the stack\n localStack.reverse();\n\n // If stack ends with one of our internal API calls, remove it (ends, meaning it's the bottom of the stack - aka top-most call)\n if (STRIP_FRAME_REGEXP.test(localStack[localStack.length - 1].function || '')) {\n localStack.pop();\n\n // When using synthetic events, we will have a 2 levels deep stack, as `new Error('Sentry syntheticException')`\n // is produced within the hub itself, making it:\n //\n // Sentry.captureException()\n // getCurrentHub().captureException()\n //\n // instead of just the top `Sentry` call itself.\n // This forces us to possibly strip an additional frame in the exact same was as above.\n if (STRIP_FRAME_REGEXP.test(localStack[localStack.length - 1].function || '')) {\n localStack.pop();\n }\n }\n\n return localStack.slice(0, STACKTRACE_FRAME_LIMIT).map(frame => ({\n ...frame,\n filename: frame.filename || localStack[localStack.length - 1].filename,\n function: frame.function || '?',\n }));\n}\n\nconst defaultFunctionName = '';\n\n/**\n * Safely extract function name from itself\n */\nexport function getFunctionName(fn: unknown): string {\n try {\n if (!fn || typeof fn !== 'function') {\n return defaultFunctionName;\n }\n return fn.name || defaultFunctionName;\n } catch (e) {\n // Just accessing custom props in some Selenium environments\n // can cause a \"Permission denied\" exception (see raven-js#495).\n return defaultFunctionName;\n }\n}\n\n/**\n * Node.js stack line parser\n *\n * This is in @sentry/utils so it can be used from the Electron SDK in the browser for when `nodeIntegration == true`.\n * This allows it to be used without referencing or importing any node specific code which causes bundlers to complain\n */\nexport function nodeStackLineParser(getModule?: GetModuleFn): StackLineParser {\n return [90, node(getModule)];\n}\n","import { isRegExp, isString, isVueViewModel } from './is';\n\nexport { escapeStringForRegex } from './vendor/escapeStringForRegex';\n\n/**\n * Truncates given string to the maximum characters count\n *\n * @param str An object that contains serializable values\n * @param max Maximum number of characters in truncated string (0 = unlimited)\n * @returns string Encoded\n */\nexport function truncate(str: string, max: number = 0): string {\n if (typeof str !== 'string' || max === 0) {\n return str;\n }\n return str.length <= max ? str : `${str.slice(0, max)}...`;\n}\n\n/**\n * This is basically just `trim_line` from\n * https://github.com/getsentry/sentry/blob/master/src/sentry/lang/javascript/processor.py#L67\n *\n * @param str An object that contains serializable values\n * @param max Maximum number of characters in truncated string\n * @returns string Encoded\n */\nexport function snipLine(line: string, colno: number): string {\n let newLine = line;\n const lineLength = newLine.length;\n if (lineLength <= 150) {\n return newLine;\n }\n if (colno > lineLength) {\n // eslint-disable-next-line no-param-reassign\n colno = lineLength;\n }\n\n let start = Math.max(colno - 60, 0);\n if (start < 5) {\n start = 0;\n }\n\n let end = Math.min(start + 140, lineLength);\n if (end > lineLength - 5) {\n end = lineLength;\n }\n if (end === lineLength) {\n start = Math.max(end - 140, 0);\n }\n\n newLine = newLine.slice(start, end);\n if (start > 0) {\n newLine = `'{snip} ${newLine}`;\n }\n if (end < lineLength) {\n newLine += ' {snip}';\n }\n\n return newLine;\n}\n\n/**\n * Join values in array\n * @param input array of values to be joined together\n * @param delimiter string to be placed in-between values\n * @returns Joined values\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport function safeJoin(input: any[], delimiter?: string): string {\n if (!Array.isArray(input)) {\n return '';\n }\n\n const output = [];\n // eslint-disable-next-line @typescript-eslint/prefer-for-of\n for (let i = 0; i < input.length; i++) {\n const value = input[i];\n try {\n // This is a hack to fix a Vue3-specific bug that causes an infinite loop of\n // console warnings. This happens when a Vue template is rendered with\n // an undeclared variable, which we try to stringify, ultimately causing\n // Vue to issue another warning which repeats indefinitely.\n // see: https://github.com/getsentry/sentry-javascript/pull/8981\n if (isVueViewModel(value)) {\n output.push('[VueViewModel]');\n } else {\n output.push(String(value));\n }\n } catch (e) {\n output.push('[value cannot be serialized]');\n }\n }\n\n return output.join(delimiter);\n}\n\n/**\n * Checks if the given value matches a regex or string\n *\n * @param value The string to test\n * @param pattern Either a regex or a string against which `value` will be matched\n * @param requireExactStringMatch If true, `value` must match `pattern` exactly. If false, `value` will match\n * `pattern` if it contains `pattern`. Only applies to string-type patterns.\n */\nexport function isMatchingPattern(\n value: string,\n pattern: RegExp | string,\n requireExactStringMatch: boolean = false,\n): boolean {\n if (!isString(value)) {\n return false;\n }\n\n if (isRegExp(pattern)) {\n return pattern.test(value);\n }\n if (isString(pattern)) {\n return requireExactStringMatch ? value === pattern : value.includes(pattern);\n }\n\n return false;\n}\n\n/**\n * Test the given string against an array of strings and regexes. By default, string matching is done on a\n * substring-inclusion basis rather than a strict equality basis\n *\n * @param testString The string to test\n * @param patterns The patterns against which to test the string\n * @param requireExactStringMatch If true, `testString` must match one of the given string patterns exactly in order to\n * count. If false, `testString` will match a string pattern if it contains that pattern.\n * @returns\n */\nexport function stringMatchesSomePattern(\n testString: string,\n patterns: Array = [],\n requireExactStringMatch: boolean = false,\n): boolean {\n return patterns.some(pattern => isMatchingPattern(testString, pattern, requireExactStringMatch));\n}\n","import { DEBUG_BUILD } from './debug-build';\nimport { logger } from './logger';\nimport { getGlobalObject } from './worldwide';\n\n// eslint-disable-next-line deprecation/deprecation\nconst WINDOW = getGlobalObject();\n\ndeclare const EdgeRuntime: string | undefined;\n\nexport { supportsHistory } from './vendor/supportsHistory';\n\n/**\n * Tells whether current environment supports ErrorEvent objects\n * {@link supportsErrorEvent}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsErrorEvent(): boolean {\n try {\n new ErrorEvent('');\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * Tells whether current environment supports DOMError objects\n * {@link supportsDOMError}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsDOMError(): boolean {\n try {\n // Chrome: VM89:1 Uncaught TypeError: Failed to construct 'DOMError':\n // 1 argument required, but only 0 present.\n // @ts-expect-error It really needs 1 argument, not 0.\n new DOMError('');\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * Tells whether current environment supports DOMException objects\n * {@link supportsDOMException}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsDOMException(): boolean {\n try {\n new DOMException('');\n return true;\n } catch (e) {\n return false;\n }\n}\n\n/**\n * Tells whether current environment supports Fetch API\n * {@link supportsFetch}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsFetch(): boolean {\n if (!('fetch' in WINDOW)) {\n return false;\n }\n\n try {\n new Headers();\n new Request('http://www.example.com');\n new Response();\n return true;\n } catch (e) {\n return false;\n }\n}\n/**\n * isNativeFetch checks if the given function is a native implementation of fetch()\n */\n// eslint-disable-next-line @typescript-eslint/ban-types\nexport function isNativeFetch(func: Function): boolean {\n return func && /^function fetch\\(\\)\\s+\\{\\s+\\[native code\\]\\s+\\}$/.test(func.toString());\n}\n\n/**\n * Tells whether current environment supports Fetch API natively\n * {@link supportsNativeFetch}.\n *\n * @returns true if `window.fetch` is natively implemented, false otherwise\n */\nexport function supportsNativeFetch(): boolean {\n if (typeof EdgeRuntime === 'string') {\n return true;\n }\n\n if (!supportsFetch()) {\n return false;\n }\n\n // Fast path to avoid DOM I/O\n // eslint-disable-next-line @typescript-eslint/unbound-method\n if (isNativeFetch(WINDOW.fetch)) {\n return true;\n }\n\n // window.fetch is implemented, but is polyfilled or already wrapped (e.g: by a chrome extension)\n // so create a \"pure\" iframe to see if that has native fetch\n let result = false;\n const doc = WINDOW.document;\n // eslint-disable-next-line deprecation/deprecation\n if (doc && typeof (doc.createElement as unknown) === 'function') {\n try {\n const sandbox = doc.createElement('iframe');\n sandbox.hidden = true;\n doc.head.appendChild(sandbox);\n if (sandbox.contentWindow && sandbox.contentWindow.fetch) {\n // eslint-disable-next-line @typescript-eslint/unbound-method\n result = isNativeFetch(sandbox.contentWindow.fetch);\n }\n doc.head.removeChild(sandbox);\n } catch (err) {\n DEBUG_BUILD &&\n logger.warn('Could not create sandbox iframe for pure fetch check, bailing to window.fetch: ', err);\n }\n }\n\n return result;\n}\n\n/**\n * Tells whether current environment supports ReportingObserver API\n * {@link supportsReportingObserver}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsReportingObserver(): boolean {\n return 'ReportingObserver' in WINDOW;\n}\n\n/**\n * Tells whether current environment supports Referrer Policy API\n * {@link supportsReferrerPolicy}.\n *\n * @returns Answer to the given question.\n */\nexport function supportsReferrerPolicy(): boolean {\n // Despite all stars in the sky saying that Edge supports old draft syntax, aka 'never', 'always', 'origin' and 'default'\n // (see https://caniuse.com/#feat=referrer-policy),\n // it doesn't. And it throws an exception instead of ignoring this parameter...\n // REF: https://github.com/getsentry/raven-js/issues/1233\n\n if (!supportsFetch()) {\n return false;\n }\n\n try {\n new Request('_', {\n referrerPolicy: 'origin' as ReferrerPolicy,\n });\n return true;\n } catch (e) {\n return false;\n }\n}\n","/* eslint-disable @typescript-eslint/explicit-function-return-type */\n/* eslint-disable @typescript-eslint/typedef */\n/* eslint-disable @typescript-eslint/explicit-module-boundary-types */\n/* eslint-disable @typescript-eslint/no-explicit-any */\nimport { isThenable } from './is';\n\n/** SyncPromise internal states */\nconst enum States {\n /** Pending */\n PENDING = 0,\n /** Resolved / OK */\n RESOLVED = 1,\n /** Rejected / Error */\n REJECTED = 2,\n}\n\n// Overloads so we can call resolvedSyncPromise without arguments and generic argument\nexport function resolvedSyncPromise(): PromiseLike;\nexport function resolvedSyncPromise(value: T | PromiseLike): PromiseLike;\n\n/**\n * Creates a resolved sync promise.\n *\n * @param value the value to resolve the promise with\n * @returns the resolved sync promise\n */\nexport function resolvedSyncPromise(value?: T | PromiseLike): PromiseLike {\n return new SyncPromise(resolve => {\n resolve(value);\n });\n}\n\n/**\n * Creates a rejected sync promise.\n *\n * @param value the value to reject the promise with\n * @returns the rejected sync promise\n */\nexport function rejectedSyncPromise(reason?: any): PromiseLike {\n return new SyncPromise((_, reject) => {\n reject(reason);\n });\n}\n\n/**\n * Thenable class that behaves like a Promise and follows it's interface\n * but is not async internally\n */\nclass SyncPromise implements PromiseLike {\n private _state: States;\n private _handlers: Array<[boolean, (value: T) => void, (reason: any) => any]>;\n private _value: any;\n\n public constructor(\n executor: (resolve: (value?: T | PromiseLike | null) => void, reject: (reason?: any) => void) => void,\n ) {\n this._state = States.PENDING;\n this._handlers = [];\n\n try {\n executor(this._resolve, this._reject);\n } catch (e) {\n this._reject(e);\n }\n }\n\n /** JSDoc */\n public then(\n onfulfilled?: ((value: T) => TResult1 | PromiseLike) | null,\n onrejected?: ((reason: any) => TResult2 | PromiseLike) | null,\n ): PromiseLike {\n return new SyncPromise((resolve, reject) => {\n this._handlers.push([\n false,\n result => {\n if (!onfulfilled) {\n // TODO: ¯\\_(ツ)_/¯\n // TODO: FIXME\n resolve(result as any);\n } else {\n try {\n resolve(onfulfilled(result));\n } catch (e) {\n reject(e);\n }\n }\n },\n reason => {\n if (!onrejected) {\n reject(reason);\n } else {\n try {\n resolve(onrejected(reason));\n } catch (e) {\n reject(e);\n }\n }\n },\n ]);\n this._executeHandlers();\n });\n }\n\n /** JSDoc */\n public catch(\n onrejected?: ((reason: any) => TResult | PromiseLike) | null,\n ): PromiseLike {\n return this.then(val => val, onrejected);\n }\n\n /** JSDoc */\n public finally(onfinally?: (() => void) | null): PromiseLike {\n return new SyncPromise((resolve, reject) => {\n let val: TResult | any;\n let isRejected: boolean;\n\n return this.then(\n value => {\n isRejected = false;\n val = value;\n if (onfinally) {\n onfinally();\n }\n },\n reason => {\n isRejected = true;\n val = reason;\n if (onfinally) {\n onfinally();\n }\n },\n ).then(() => {\n if (isRejected) {\n reject(val);\n return;\n }\n\n resolve(val as unknown as any);\n });\n });\n }\n\n /** JSDoc */\n private readonly _resolve = (value?: T | PromiseLike | null) => {\n this._setResult(States.RESOLVED, value);\n };\n\n /** JSDoc */\n private readonly _reject = (reason?: any) => {\n this._setResult(States.REJECTED, reason);\n };\n\n /** JSDoc */\n private readonly _setResult = (state: States, value?: T | PromiseLike | any) => {\n if (this._state !== States.PENDING) {\n return;\n }\n\n if (isThenable(value)) {\n void (value as PromiseLike).then(this._resolve, this._reject);\n return;\n }\n\n this._state = state;\n this._value = value;\n\n this._executeHandlers();\n };\n\n /** JSDoc */\n private readonly _executeHandlers = () => {\n if (this._state === States.PENDING) {\n return;\n }\n\n const cachedHandlers = this._handlers.slice();\n this._handlers = [];\n\n cachedHandlers.forEach(handler => {\n if (handler[0]) {\n return;\n }\n\n if (this._state === States.RESOLVED) {\n // eslint-disable-next-line @typescript-eslint/no-floating-promises\n handler[1](this._value as unknown as any);\n }\n\n if (this._state === States.REJECTED) {\n handler[2](this._value);\n }\n\n handler[0] = true;\n });\n };\n}\n\nexport { SyncPromise };\n","import { GLOBAL_OBJ } from './worldwide';\n\nconst ONE_SECOND_IN_MS = 1000;\n\n/**\n * A partial definition of the [Performance Web API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Performance}\n * for accessing a high-resolution monotonic clock.\n */\ninterface Performance {\n /**\n * The millisecond timestamp at which measurement began, measured in Unix time.\n */\n timeOrigin: number;\n /**\n * Returns the current millisecond timestamp, where 0 represents the start of measurement.\n */\n now(): number;\n}\n\n/**\n * Returns a timestamp in seconds since the UNIX epoch using the Date API.\n *\n * TODO(v8): Return type should be rounded.\n */\nexport function dateTimestampInSeconds(): number {\n return Date.now() / ONE_SECOND_IN_MS;\n}\n\n/**\n * Returns a wrapper around the native Performance API browser implementation, or undefined for browsers that do not\n * support the API.\n *\n * Wrapping the native API works around differences in behavior from different browsers.\n */\nfunction createUnixTimestampInSecondsFunc(): () => number {\n const { performance } = GLOBAL_OBJ as typeof GLOBAL_OBJ & { performance?: Performance };\n if (!performance || !performance.now) {\n return dateTimestampInSeconds;\n }\n\n // Some browser and environments don't have a timeOrigin, so we fallback to\n // using Date.now() to compute the starting time.\n const approxStartingTimeOrigin = Date.now() - performance.now();\n const timeOrigin = performance.timeOrigin == undefined ? approxStartingTimeOrigin : performance.timeOrigin;\n\n // performance.now() is a monotonic clock, which means it starts at 0 when the process begins. To get the current\n // wall clock time (actual UNIX timestamp), we need to add the starting time origin and the current time elapsed.\n //\n // TODO: This does not account for the case where the monotonic clock that powers performance.now() drifts from the\n // wall clock time, which causes the returned timestamp to be inaccurate. We should investigate how to detect and\n // correct for this.\n // See: https://github.com/getsentry/sentry-javascript/issues/2590\n // See: https://github.com/mdn/content/issues/4713\n // See: https://dev.to/noamr/when-a-millisecond-is-not-a-millisecond-3h6\n return () => {\n return (timeOrigin + performance.now()) / ONE_SECOND_IN_MS;\n };\n}\n\n/**\n * Returns a timestamp in seconds since the UNIX epoch using either the Performance or Date APIs, depending on the\n * availability of the Performance API.\n *\n * BUG: Note that because of how browsers implement the Performance API, the clock might stop when the computer is\n * asleep. This creates a skew between `dateTimestampInSeconds` and `timestampInSeconds`. The\n * skew can grow to arbitrary amounts like days, weeks or months.\n * See https://github.com/getsentry/sentry-javascript/issues/2590.\n */\nexport const timestampInSeconds = createUnixTimestampInSecondsFunc();\n\n/**\n * Re-exported with an old name for backwards-compatibility.\n * TODO (v8): Remove this\n *\n * @deprecated Use `timestampInSeconds` instead.\n */\nexport const timestampWithMs = timestampInSeconds;\n\n/**\n * Internal helper to store what is the source of browserPerformanceTimeOrigin below. For debugging only.\n */\nexport let _browserPerformanceTimeOriginMode: string;\n\n/**\n * The number of milliseconds since the UNIX epoch. This value is only usable in a browser, and only when the\n * performance API is available.\n */\nexport const browserPerformanceTimeOrigin = ((): number | undefined => {\n // Unfortunately browsers may report an inaccurate time origin data, through either performance.timeOrigin or\n // performance.timing.navigationStart, which results in poor results in performance data. We only treat time origin\n // data as reliable if they are within a reasonable threshold of the current time.\n\n const { performance } = GLOBAL_OBJ as typeof GLOBAL_OBJ & Window;\n if (!performance || !performance.now) {\n _browserPerformanceTimeOriginMode = 'none';\n return undefined;\n }\n\n const threshold = 3600 * 1000;\n const performanceNow = performance.now();\n const dateNow = Date.now();\n\n // if timeOrigin isn't available set delta to threshold so it isn't used\n const timeOriginDelta = performance.timeOrigin\n ? Math.abs(performance.timeOrigin + performanceNow - dateNow)\n : threshold;\n const timeOriginIsReliable = timeOriginDelta < threshold;\n\n // While performance.timing.navigationStart is deprecated in favor of performance.timeOrigin, performance.timeOrigin\n // is not as widely supported. Namely, performance.timeOrigin is undefined in Safari as of writing.\n // Also as of writing, performance.timing is not available in Web Workers in mainstream browsers, so it is not always\n // a valid fallback. In the absence of an initial time provided by the browser, fallback to the current time from the\n // Date API.\n // eslint-disable-next-line deprecation/deprecation\n const navigationStart = performance.timing && performance.timing.navigationStart;\n const hasNavigationStart = typeof navigationStart === 'number';\n // if navigationStart isn't available set delta to threshold so it isn't used\n const navigationStartDelta = hasNavigationStart ? Math.abs(navigationStart + performanceNow - dateNow) : threshold;\n const navigationStartIsReliable = navigationStartDelta < threshold;\n\n if (timeOriginIsReliable || navigationStartIsReliable) {\n // Use the more reliable time origin\n if (timeOriginDelta <= navigationStartDelta) {\n _browserPerformanceTimeOriginMode = 'timeOrigin';\n return performance.timeOrigin;\n } else {\n _browserPerformanceTimeOriginMode = 'navigationStart';\n return navigationStart;\n }\n }\n\n // Either both timeOrigin and navigationStart are skewed or neither is available, fallback to Date.\n _browserPerformanceTimeOriginMode = 'dateNow';\n return dateNow;\n})();\n","import type { PropagationContext, TraceparentData } from '@sentry/types';\n\nimport { baggageHeaderToDynamicSamplingContext } from './baggage';\nimport { uuid4 } from './misc';\n\n// eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor -- RegExp is used for readability here\nexport const TRACEPARENT_REGEXP = new RegExp(\n '^[ \\\\t]*' + // whitespace\n '([0-9a-f]{32})?' + // trace_id\n '-?([0-9a-f]{16})?' + // span_id\n '-?([01])?' + // sampled\n '[ \\\\t]*$', // whitespace\n);\n\n/**\n * Extract transaction context data from a `sentry-trace` header.\n *\n * @param traceparent Traceparent string\n *\n * @returns Object containing data from the header, or undefined if traceparent string is malformed\n */\nexport function extractTraceparentData(traceparent?: string): TraceparentData | undefined {\n if (!traceparent) {\n return undefined;\n }\n\n const matches = traceparent.match(TRACEPARENT_REGEXP);\n if (!matches) {\n return undefined;\n }\n\n let parentSampled: boolean | undefined;\n if (matches[3] === '1') {\n parentSampled = true;\n } else if (matches[3] === '0') {\n parentSampled = false;\n }\n\n return {\n traceId: matches[1],\n parentSampled,\n parentSpanId: matches[2],\n };\n}\n\n/**\n * Create tracing context from incoming headers.\n *\n * @deprecated Use `propagationContextFromHeaders` instead.\n */\n// TODO(v8): Remove this function\nexport function tracingContextFromHeaders(\n sentryTrace: Parameters[0],\n baggage: Parameters[0],\n): {\n traceparentData: ReturnType;\n dynamicSamplingContext: ReturnType;\n propagationContext: PropagationContext;\n} {\n const traceparentData = extractTraceparentData(sentryTrace);\n const dynamicSamplingContext = baggageHeaderToDynamicSamplingContext(baggage);\n\n const { traceId, parentSpanId, parentSampled } = traceparentData || {};\n\n if (!traceparentData) {\n return {\n traceparentData,\n dynamicSamplingContext: undefined,\n propagationContext: {\n traceId: traceId || uuid4(),\n spanId: uuid4().substring(16),\n },\n };\n } else {\n return {\n traceparentData,\n dynamicSamplingContext: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n propagationContext: {\n traceId: traceId || uuid4(),\n parentSpanId: parentSpanId || uuid4().substring(16),\n spanId: uuid4().substring(16),\n sampled: parentSampled,\n dsc: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n },\n };\n }\n}\n\n/**\n * Create a propagation context from incoming headers.\n */\nexport function propagationContextFromHeaders(\n sentryTrace: string | undefined,\n baggage: string | number | boolean | string[] | null | undefined,\n): PropagationContext {\n const traceparentData = extractTraceparentData(sentryTrace);\n const dynamicSamplingContext = baggageHeaderToDynamicSamplingContext(baggage);\n\n const { traceId, parentSpanId, parentSampled } = traceparentData || {};\n\n if (!traceparentData) {\n return {\n traceId: traceId || uuid4(),\n spanId: uuid4().substring(16),\n };\n } else {\n return {\n traceId: traceId || uuid4(),\n parentSpanId: parentSpanId || uuid4().substring(16),\n spanId: uuid4().substring(16),\n sampled: parentSampled,\n dsc: dynamicSamplingContext || {}, // If we have traceparent data but no DSC it means we are not head of trace and we must freeze it\n };\n }\n}\n\n/**\n * Create sentry-trace header from span context values.\n */\nexport function generateSentryTraceHeader(\n traceId: string = uuid4(),\n spanId: string = uuid4().substring(16),\n sampled?: boolean,\n): string {\n let sampledString = '';\n if (sampled !== undefined) {\n sampledString = sampled ? '-1' : '-0';\n }\n return `${traceId}-${spanId}${sampledString}`;\n}\n","type PartialURL = {\n host?: string;\n path?: string;\n protocol?: string;\n relative?: string;\n search?: string;\n hash?: string;\n};\n\n/**\n * Parses string form of URL into an object\n * // borrowed from https://tools.ietf.org/html/rfc3986#appendix-B\n * // intentionally using regex and not href parsing trick because React Native and other\n * // environments where DOM might not be available\n * @returns parsed URL object\n */\nexport function parseUrl(url: string): PartialURL {\n if (!url) {\n return {};\n }\n\n const match = url.match(/^(([^:/?#]+):)?(\\/\\/([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?$/);\n\n if (!match) {\n return {};\n }\n\n // coerce to undefined values to empty string so we don't get 'undefined'\n const query = match[6] || '';\n const fragment = match[8] || '';\n return {\n host: match[4],\n path: match[5],\n protocol: match[2],\n search: query,\n hash: fragment,\n relative: match[5] + query + fragment, // everything minus origin\n };\n}\n\n/**\n * Strip the query string and fragment off of a given URL or path (if present)\n *\n * @param urlPath Full URL or path, including possible query string and/or fragment\n * @returns URL or path without query string or fragment\n */\nexport function stripUrlQueryAndFragment(urlPath: string): string {\n // eslint-disable-next-line no-useless-escape\n return urlPath.split(/[\\?#]/, 1)[0];\n}\n\n/**\n * Returns number of URL segments of a passed string URL.\n */\nexport function getNumberOfUrlSegments(url: string): number {\n // split at '/' or at '\\/' to split regex urls correctly\n return url.split(/\\\\?\\//).filter(s => s.length > 0 && s !== ',').length;\n}\n\n/**\n * Takes a URL object and returns a sanitized string which is safe to use as span description\n * see: https://develop.sentry.dev/sdk/data-handling/#structuring-data\n */\nexport function getSanitizedUrlString(url: PartialURL): string {\n const { protocol, host, path } = url;\n\n const filteredHost =\n (host &&\n host\n // Always filter out authority\n .replace(/^.*@/, '[filtered]:[filtered]@')\n // Don't show standard :80 (http) and :443 (https) ports to reduce the noise\n // TODO: Use new URL global if it exists\n .replace(/(:80)$/, '')\n .replace(/(:443)$/, '')) ||\n '';\n\n return `${protocol ? `${protocol}://` : ''}${filteredHost}${path}`;\n}\n","/**\n * NOTE: In order to avoid circular dependencies, if you add a function to this module and it needs to print something,\n * you must either a) use `console.log` rather than the logger, or b) put your function elsewhere.\n *\n * Note: This file was originally called `global.ts`, but was changed to unblock users which might be doing\n * string replaces with bundlers like Vite for `global` (would break imports that rely on importing from utils/src/global).\n *\n * Why worldwide?\n *\n * Why not?\n */\n\n/* eslint-disable @typescript-eslint/no-explicit-any */\n\nimport type { Integration } from '@sentry/types';\n\nimport type { SdkSource } from './env';\n\n/** Internal global with common properties and Sentry extensions */\nexport interface InternalGlobal {\n navigator?: { userAgent?: string };\n console: Console;\n Sentry?: {\n Integrations?: Integration[];\n };\n onerror?: {\n (event: object | string, source?: string, lineno?: number, colno?: number, error?: Error): any;\n __SENTRY_INSTRUMENTED__?: true;\n __SENTRY_LOADER__?: true;\n };\n onunhandledrejection?: {\n (event: unknown): boolean;\n __SENTRY_INSTRUMENTED__?: true;\n __SENTRY_LOADER__?: true;\n };\n SENTRY_ENVIRONMENT?: string;\n SENTRY_DSN?: string;\n SENTRY_RELEASE?: {\n id?: string;\n };\n SENTRY_SDK_SOURCE?: SdkSource;\n /**\n * Debug IDs are indirectly injected by Sentry CLI or bundler plugins to directly reference a particular source map\n * for resolving of a source file. The injected code will place an entry into the record for each loaded bundle/JS\n * file.\n */\n _sentryDebugIds?: Record;\n __SENTRY__: {\n globalEventProcessors: any;\n hub: any;\n logger: any;\n extensions?: {\n /** Extension methods for the hub, which are bound to the current Hub instance */\n // eslint-disable-next-line @typescript-eslint/ban-types\n [key: string]: Function;\n };\n };\n /**\n * Raw module metadata that is injected by bundler plugins.\n *\n * Keys are `error.stack` strings, values are the metadata.\n */\n _sentryModuleMetadata?: Record;\n}\n\n// The code below for 'isGlobalObj' and 'GLOBAL_OBJ' was copied from core-js before modification\n// https://github.com/zloirock/core-js/blob/1b944df55282cdc99c90db5f49eb0b6eda2cc0a3/packages/core-js/internals/global.js\n// core-js has the following licence:\n//\n// Copyright (c) 2014-2022 Denis Pushkarev\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to deal\n// in the Software without restriction, including without limitation the rights\n// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\n/** Returns 'obj' if it's the global object, otherwise returns undefined */\nfunction isGlobalObj(obj: { Math?: Math }): any | undefined {\n return obj && obj.Math == Math ? obj : undefined;\n}\n\n/** Get's the global object for the current JavaScript runtime */\nexport const GLOBAL_OBJ: InternalGlobal =\n (typeof globalThis == 'object' && isGlobalObj(globalThis)) ||\n // eslint-disable-next-line no-restricted-globals\n (typeof window == 'object' && isGlobalObj(window)) ||\n (typeof self == 'object' && isGlobalObj(self)) ||\n (typeof global == 'object' && isGlobalObj(global)) ||\n (function (this: any) {\n return this;\n })() ||\n {};\n\n/**\n * @deprecated Use GLOBAL_OBJ instead or WINDOW from @sentry/browser. This will be removed in v8\n */\nexport function getGlobalObject(): T & InternalGlobal {\n return GLOBAL_OBJ as T & InternalGlobal;\n}\n\n/**\n * Returns a global singleton contained in the global `__SENTRY__` object.\n *\n * If the singleton doesn't already exist in `__SENTRY__`, it will be created using the given factory\n * function and added to the `__SENTRY__` object.\n *\n * @param name name of the global singleton on __SENTRY__\n * @param creator creator Factory function to create the singleton if it doesn't already exist on `__SENTRY__`\n * @param obj (Optional) The global object on which to look for `__SENTRY__`, if not `GLOBAL_OBJ`'s return value\n * @returns the singleton\n */\nexport function getGlobalSingleton(name: keyof InternalGlobal['__SENTRY__'], creator: () => T, obj?: unknown): T {\n const gbl = (obj || GLOBAL_OBJ) as InternalGlobal;\n const __SENTRY__ = (gbl.__SENTRY__ = gbl.__SENTRY__ || {});\n const singleton = __SENTRY__[name] || (__SENTRY__[name] = creator());\n return singleton;\n}\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n/**\n * @module helpers\n */\n/**\n * Earth Radius used with the Harvesine formula and approximates using a spherical (non-ellipsoid) Earth.\n *\n * @memberof helpers\n * @type {number}\n */\nexports.earthRadius = 6371008.8;\n/**\n * Unit of measurement factors using a spherical (non-ellipsoid) earth radius.\n *\n * @memberof helpers\n * @type {Object}\n */\nexports.factors = {\n centimeters: exports.earthRadius * 100,\n centimetres: exports.earthRadius * 100,\n degrees: exports.earthRadius / 111325,\n feet: exports.earthRadius * 3.28084,\n inches: exports.earthRadius * 39.37,\n kilometers: exports.earthRadius / 1000,\n kilometres: exports.earthRadius / 1000,\n meters: exports.earthRadius,\n metres: exports.earthRadius,\n miles: exports.earthRadius / 1609.344,\n millimeters: exports.earthRadius * 1000,\n millimetres: exports.earthRadius * 1000,\n nauticalmiles: exports.earthRadius / 1852,\n radians: 1,\n yards: exports.earthRadius * 1.0936,\n};\n/**\n * Units of measurement factors based on 1 meter.\n *\n * @memberof helpers\n * @type {Object}\n */\nexports.unitsFactors = {\n centimeters: 100,\n centimetres: 100,\n degrees: 1 / 111325,\n feet: 3.28084,\n inches: 39.37,\n kilometers: 1 / 1000,\n kilometres: 1 / 1000,\n meters: 1,\n metres: 1,\n miles: 1 / 1609.344,\n millimeters: 1000,\n millimetres: 1000,\n nauticalmiles: 1 / 1852,\n radians: 1 / exports.earthRadius,\n yards: 1.0936133,\n};\n/**\n * Area of measurement factors based on 1 square meter.\n *\n * @memberof helpers\n * @type {Object}\n */\nexports.areaFactors = {\n acres: 0.000247105,\n centimeters: 10000,\n centimetres: 10000,\n feet: 10.763910417,\n hectares: 0.0001,\n inches: 1550.003100006,\n kilometers: 0.000001,\n kilometres: 0.000001,\n meters: 1,\n metres: 1,\n miles: 3.86e-7,\n millimeters: 1000000,\n millimetres: 1000000,\n yards: 1.195990046,\n};\n/**\n * Wraps a GeoJSON {@link Geometry} in a GeoJSON {@link Feature}.\n *\n * @name feature\n * @param {Geometry} geometry input geometry\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} a GeoJSON Feature\n * @example\n * var geometry = {\n * \"type\": \"Point\",\n * \"coordinates\": [110, 50]\n * };\n *\n * var feature = turf.feature(geometry);\n *\n * //=feature\n */\nfunction feature(geom, properties, options) {\n if (options === void 0) { options = {}; }\n var feat = { type: \"Feature\" };\n if (options.id === 0 || options.id) {\n feat.id = options.id;\n }\n if (options.bbox) {\n feat.bbox = options.bbox;\n }\n feat.properties = properties || {};\n feat.geometry = geom;\n return feat;\n}\nexports.feature = feature;\n/**\n * Creates a GeoJSON {@link Geometry} from a Geometry string type & coordinates.\n * For GeometryCollection type use `helpers.geometryCollection`\n *\n * @name geometry\n * @param {string} type Geometry Type\n * @param {Array} coordinates Coordinates\n * @param {Object} [options={}] Optional Parameters\n * @returns {Geometry} a GeoJSON Geometry\n * @example\n * var type = \"Point\";\n * var coordinates = [110, 50];\n * var geometry = turf.geometry(type, coordinates);\n * // => geometry\n */\nfunction geometry(type, coordinates, _options) {\n if (_options === void 0) { _options = {}; }\n switch (type) {\n case \"Point\":\n return point(coordinates).geometry;\n case \"LineString\":\n return lineString(coordinates).geometry;\n case \"Polygon\":\n return polygon(coordinates).geometry;\n case \"MultiPoint\":\n return multiPoint(coordinates).geometry;\n case \"MultiLineString\":\n return multiLineString(coordinates).geometry;\n case \"MultiPolygon\":\n return multiPolygon(coordinates).geometry;\n default:\n throw new Error(type + \" is invalid\");\n }\n}\nexports.geometry = geometry;\n/**\n * Creates a {@link Point} {@link Feature} from a Position.\n *\n * @name point\n * @param {Array} coordinates longitude, latitude position (each in decimal degrees)\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} a Point feature\n * @example\n * var point = turf.point([-75.343, 39.984]);\n *\n * //=point\n */\nfunction point(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n if (!coordinates) {\n throw new Error(\"coordinates is required\");\n }\n if (!Array.isArray(coordinates)) {\n throw new Error(\"coordinates must be an Array\");\n }\n if (coordinates.length < 2) {\n throw new Error(\"coordinates must be at least 2 numbers long\");\n }\n if (!isNumber(coordinates[0]) || !isNumber(coordinates[1])) {\n throw new Error(\"coordinates must contain numbers\");\n }\n var geom = {\n type: \"Point\",\n coordinates: coordinates,\n };\n return feature(geom, properties, options);\n}\nexports.point = point;\n/**\n * Creates a {@link Point} {@link FeatureCollection} from an Array of Point coordinates.\n *\n * @name points\n * @param {Array>} coordinates an array of Points\n * @param {Object} [properties={}] Translate these properties to each Feature\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north]\n * associated with the FeatureCollection\n * @param {string|number} [options.id] Identifier associated with the FeatureCollection\n * @returns {FeatureCollection} Point Feature\n * @example\n * var points = turf.points([\n * [-75, 39],\n * [-80, 45],\n * [-78, 50]\n * ]);\n *\n * //=points\n */\nfunction points(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n return featureCollection(coordinates.map(function (coords) {\n return point(coords, properties);\n }), options);\n}\nexports.points = points;\n/**\n * Creates a {@link Polygon} {@link Feature} from an Array of LinearRings.\n *\n * @name polygon\n * @param {Array>>} coordinates an array of LinearRings\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} Polygon Feature\n * @example\n * var polygon = turf.polygon([[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]], { name: 'poly1' });\n *\n * //=polygon\n */\nfunction polygon(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n for (var _i = 0, coordinates_1 = coordinates; _i < coordinates_1.length; _i++) {\n var ring = coordinates_1[_i];\n if (ring.length < 4) {\n throw new Error(\"Each LinearRing of a Polygon must have 4 or more Positions.\");\n }\n for (var j = 0; j < ring[ring.length - 1].length; j++) {\n // Check if first point of Polygon contains two numbers\n if (ring[ring.length - 1][j] !== ring[0][j]) {\n throw new Error(\"First and last Position are not equivalent.\");\n }\n }\n }\n var geom = {\n type: \"Polygon\",\n coordinates: coordinates,\n };\n return feature(geom, properties, options);\n}\nexports.polygon = polygon;\n/**\n * Creates a {@link Polygon} {@link FeatureCollection} from an Array of Polygon coordinates.\n *\n * @name polygons\n * @param {Array>>>} coordinates an array of Polygon coordinates\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the FeatureCollection\n * @returns {FeatureCollection} Polygon FeatureCollection\n * @example\n * var polygons = turf.polygons([\n * [[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]],\n * [[[-15, 42], [-14, 46], [-12, 41], [-17, 44], [-15, 42]]],\n * ]);\n *\n * //=polygons\n */\nfunction polygons(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n return featureCollection(coordinates.map(function (coords) {\n return polygon(coords, properties);\n }), options);\n}\nexports.polygons = polygons;\n/**\n * Creates a {@link LineString} {@link Feature} from an Array of Positions.\n *\n * @name lineString\n * @param {Array>} coordinates an array of Positions\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} LineString Feature\n * @example\n * var linestring1 = turf.lineString([[-24, 63], [-23, 60], [-25, 65], [-20, 69]], {name: 'line 1'});\n * var linestring2 = turf.lineString([[-14, 43], [-13, 40], [-15, 45], [-10, 49]], {name: 'line 2'});\n *\n * //=linestring1\n * //=linestring2\n */\nfunction lineString(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n if (coordinates.length < 2) {\n throw new Error(\"coordinates must be an array of two or more positions\");\n }\n var geom = {\n type: \"LineString\",\n coordinates: coordinates,\n };\n return feature(geom, properties, options);\n}\nexports.lineString = lineString;\n/**\n * Creates a {@link LineString} {@link FeatureCollection} from an Array of LineString coordinates.\n *\n * @name lineStrings\n * @param {Array>>} coordinates an array of LinearRings\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north]\n * associated with the FeatureCollection\n * @param {string|number} [options.id] Identifier associated with the FeatureCollection\n * @returns {FeatureCollection} LineString FeatureCollection\n * @example\n * var linestrings = turf.lineStrings([\n * [[-24, 63], [-23, 60], [-25, 65], [-20, 69]],\n * [[-14, 43], [-13, 40], [-15, 45], [-10, 49]]\n * ]);\n *\n * //=linestrings\n */\nfunction lineStrings(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n return featureCollection(coordinates.map(function (coords) {\n return lineString(coords, properties);\n }), options);\n}\nexports.lineStrings = lineStrings;\n/**\n * Takes one or more {@link Feature|Features} and creates a {@link FeatureCollection}.\n *\n * @name featureCollection\n * @param {Feature[]} features input features\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {FeatureCollection} FeatureCollection of Features\n * @example\n * var locationA = turf.point([-75.343, 39.984], {name: 'Location A'});\n * var locationB = turf.point([-75.833, 39.284], {name: 'Location B'});\n * var locationC = turf.point([-75.534, 39.123], {name: 'Location C'});\n *\n * var collection = turf.featureCollection([\n * locationA,\n * locationB,\n * locationC\n * ]);\n *\n * //=collection\n */\nfunction featureCollection(features, options) {\n if (options === void 0) { options = {}; }\n var fc = { type: \"FeatureCollection\" };\n if (options.id) {\n fc.id = options.id;\n }\n if (options.bbox) {\n fc.bbox = options.bbox;\n }\n fc.features = features;\n return fc;\n}\nexports.featureCollection = featureCollection;\n/**\n * Creates a {@link Feature} based on a\n * coordinate array. Properties can be added optionally.\n *\n * @name multiLineString\n * @param {Array>>} coordinates an array of LineStrings\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} a MultiLineString feature\n * @throws {Error} if no coordinates are passed\n * @example\n * var multiLine = turf.multiLineString([[[0,0],[10,10]]]);\n *\n * //=multiLine\n */\nfunction multiLineString(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n var geom = {\n type: \"MultiLineString\",\n coordinates: coordinates,\n };\n return feature(geom, properties, options);\n}\nexports.multiLineString = multiLineString;\n/**\n * Creates a {@link Feature} based on a\n * coordinate array. Properties can be added optionally.\n *\n * @name multiPoint\n * @param {Array>} coordinates an array of Positions\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} a MultiPoint feature\n * @throws {Error} if no coordinates are passed\n * @example\n * var multiPt = turf.multiPoint([[0,0],[10,10]]);\n *\n * //=multiPt\n */\nfunction multiPoint(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n var geom = {\n type: \"MultiPoint\",\n coordinates: coordinates,\n };\n return feature(geom, properties, options);\n}\nexports.multiPoint = multiPoint;\n/**\n * Creates a {@link Feature} based on a\n * coordinate array. Properties can be added optionally.\n *\n * @name multiPolygon\n * @param {Array>>>} coordinates an array of Polygons\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} a multipolygon feature\n * @throws {Error} if no coordinates are passed\n * @example\n * var multiPoly = turf.multiPolygon([[[[0,0],[0,10],[10,10],[10,0],[0,0]]]]);\n *\n * //=multiPoly\n *\n */\nfunction multiPolygon(coordinates, properties, options) {\n if (options === void 0) { options = {}; }\n var geom = {\n type: \"MultiPolygon\",\n coordinates: coordinates,\n };\n return feature(geom, properties, options);\n}\nexports.multiPolygon = multiPolygon;\n/**\n * Creates a {@link Feature} based on a\n * coordinate array. Properties can be added optionally.\n *\n * @name geometryCollection\n * @param {Array} geometries an array of GeoJSON Geometries\n * @param {Object} [properties={}] an Object of key-value pairs to add as properties\n * @param {Object} [options={}] Optional Parameters\n * @param {Array} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature\n * @param {string|number} [options.id] Identifier associated with the Feature\n * @returns {Feature} a GeoJSON GeometryCollection Feature\n * @example\n * var pt = turf.geometry(\"Point\", [100, 0]);\n * var line = turf.geometry(\"LineString\", [[101, 0], [102, 1]]);\n * var collection = turf.geometryCollection([pt, line]);\n *\n * // => collection\n */\nfunction geometryCollection(geometries, properties, options) {\n if (options === void 0) { options = {}; }\n var geom = {\n type: \"GeometryCollection\",\n geometries: geometries,\n };\n return feature(geom, properties, options);\n}\nexports.geometryCollection = geometryCollection;\n/**\n * Round number to precision\n *\n * @param {number} num Number\n * @param {number} [precision=0] Precision\n * @returns {number} rounded number\n * @example\n * turf.round(120.4321)\n * //=120\n *\n * turf.round(120.4321, 2)\n * //=120.43\n */\nfunction round(num, precision) {\n if (precision === void 0) { precision = 0; }\n if (precision && !(precision >= 0)) {\n throw new Error(\"precision must be a positive number\");\n }\n var multiplier = Math.pow(10, precision || 0);\n return Math.round(num * multiplier) / multiplier;\n}\nexports.round = round;\n/**\n * Convert a distance measurement (assuming a spherical Earth) from radians to a more friendly unit.\n * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet\n *\n * @name radiansToLength\n * @param {number} radians in radians across the sphere\n * @param {string} [units=\"kilometers\"] can be degrees, radians, miles, inches, yards, metres,\n * meters, kilometres, kilometers.\n * @returns {number} distance\n */\nfunction radiansToLength(radians, units) {\n if (units === void 0) { units = \"kilometers\"; }\n var factor = exports.factors[units];\n if (!factor) {\n throw new Error(units + \" units is invalid\");\n }\n return radians * factor;\n}\nexports.radiansToLength = radiansToLength;\n/**\n * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into radians\n * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet\n *\n * @name lengthToRadians\n * @param {number} distance in real units\n * @param {string} [units=\"kilometers\"] can be degrees, radians, miles, inches, yards, metres,\n * meters, kilometres, kilometers.\n * @returns {number} radians\n */\nfunction lengthToRadians(distance, units) {\n if (units === void 0) { units = \"kilometers\"; }\n var factor = exports.factors[units];\n if (!factor) {\n throw new Error(units + \" units is invalid\");\n }\n return distance / factor;\n}\nexports.lengthToRadians = lengthToRadians;\n/**\n * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into degrees\n * Valid units: miles, nauticalmiles, inches, yards, meters, metres, centimeters, kilometres, feet\n *\n * @name lengthToDegrees\n * @param {number} distance in real units\n * @param {string} [units=\"kilometers\"] can be degrees, radians, miles, inches, yards, metres,\n * meters, kilometres, kilometers.\n * @returns {number} degrees\n */\nfunction lengthToDegrees(distance, units) {\n return radiansToDegrees(lengthToRadians(distance, units));\n}\nexports.lengthToDegrees = lengthToDegrees;\n/**\n * Converts any bearing angle from the north line direction (positive clockwise)\n * and returns an angle between 0-360 degrees (positive clockwise), 0 being the north line\n *\n * @name bearingToAzimuth\n * @param {number} bearing angle, between -180 and +180 degrees\n * @returns {number} angle between 0 and 360 degrees\n */\nfunction bearingToAzimuth(bearing) {\n var angle = bearing % 360;\n if (angle < 0) {\n angle += 360;\n }\n return angle;\n}\nexports.bearingToAzimuth = bearingToAzimuth;\n/**\n * Converts an angle in radians to degrees\n *\n * @name radiansToDegrees\n * @param {number} radians angle in radians\n * @returns {number} degrees between 0 and 360 degrees\n */\nfunction radiansToDegrees(radians) {\n var degrees = radians % (2 * Math.PI);\n return (degrees * 180) / Math.PI;\n}\nexports.radiansToDegrees = radiansToDegrees;\n/**\n * Converts an angle in degrees to radians\n *\n * @name degreesToRadians\n * @param {number} degrees angle between 0 and 360 degrees\n * @returns {number} angle in radians\n */\nfunction degreesToRadians(degrees) {\n var radians = degrees % 360;\n return (radians * Math.PI) / 180;\n}\nexports.degreesToRadians = degreesToRadians;\n/**\n * Converts a length to the requested unit.\n * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet\n *\n * @param {number} length to be converted\n * @param {Units} [originalUnit=\"kilometers\"] of the length\n * @param {Units} [finalUnit=\"kilometers\"] returned unit\n * @returns {number} the converted length\n */\nfunction convertLength(length, originalUnit, finalUnit) {\n if (originalUnit === void 0) { originalUnit = \"kilometers\"; }\n if (finalUnit === void 0) { finalUnit = \"kilometers\"; }\n if (!(length >= 0)) {\n throw new Error(\"length must be a positive number\");\n }\n return radiansToLength(lengthToRadians(length, originalUnit), finalUnit);\n}\nexports.convertLength = convertLength;\n/**\n * Converts a area to the requested unit.\n * Valid units: kilometers, kilometres, meters, metres, centimetres, millimeters, acres, miles, yards, feet, inches, hectares\n * @param {number} area to be converted\n * @param {Units} [originalUnit=\"meters\"] of the distance\n * @param {Units} [finalUnit=\"kilometers\"] returned unit\n * @returns {number} the converted area\n */\nfunction convertArea(area, originalUnit, finalUnit) {\n if (originalUnit === void 0) { originalUnit = \"meters\"; }\n if (finalUnit === void 0) { finalUnit = \"kilometers\"; }\n if (!(area >= 0)) {\n throw new Error(\"area must be a positive number\");\n }\n var startFactor = exports.areaFactors[originalUnit];\n if (!startFactor) {\n throw new Error(\"invalid original units\");\n }\n var finalFactor = exports.areaFactors[finalUnit];\n if (!finalFactor) {\n throw new Error(\"invalid final units\");\n }\n return (area / startFactor) * finalFactor;\n}\nexports.convertArea = convertArea;\n/**\n * isNumber\n *\n * @param {*} num Number to validate\n * @returns {boolean} true/false\n * @example\n * turf.isNumber(123)\n * //=true\n * turf.isNumber('foo')\n * //=false\n */\nfunction isNumber(num) {\n return !isNaN(num) && num !== null && !Array.isArray(num);\n}\nexports.isNumber = isNumber;\n/**\n * isObject\n *\n * @param {*} input variable to validate\n * @returns {boolean} true/false\n * @example\n * turf.isObject({elevation: 10})\n * //=true\n * turf.isObject('foo')\n * //=false\n */\nfunction isObject(input) {\n return !!input && input.constructor === Object;\n}\nexports.isObject = isObject;\n/**\n * Validate BBox\n *\n * @private\n * @param {Array} bbox BBox to validate\n * @returns {void}\n * @throws Error if BBox is not valid\n * @example\n * validateBBox([-180, -40, 110, 50])\n * //=OK\n * validateBBox([-180, -40])\n * //=Error\n * validateBBox('Foo')\n * //=Error\n * validateBBox(5)\n * //=Error\n * validateBBox(null)\n * //=Error\n * validateBBox(undefined)\n * //=Error\n */\nfunction validateBBox(bbox) {\n if (!bbox) {\n throw new Error(\"bbox is required\");\n }\n if (!Array.isArray(bbox)) {\n throw new Error(\"bbox must be an Array\");\n }\n if (bbox.length !== 4 && bbox.length !== 6) {\n throw new Error(\"bbox must be an Array of 4 or 6 numbers\");\n }\n bbox.forEach(function (num) {\n if (!isNumber(num)) {\n throw new Error(\"bbox must only contain numbers\");\n }\n });\n}\nexports.validateBBox = validateBBox;\n/**\n * Validate Id\n *\n * @private\n * @param {string|number} id Id to validate\n * @returns {void}\n * @throws Error if Id is not valid\n * @example\n * validateId([-180, -40, 110, 50])\n * //=Error\n * validateId([-180, -40])\n * //=Error\n * validateId('Foo')\n * //=OK\n * validateId(5)\n * //=OK\n * validateId(null)\n * //=Error\n * validateId(undefined)\n * //=Error\n */\nfunction validateId(id) {\n if (!id) {\n throw new Error(\"id is required\");\n }\n if ([\"string\", \"number\"].indexOf(typeof id) === -1) {\n throw new Error(\"id must be a number or a string\");\n }\n}\nexports.validateId = validateId;\n","var objectKeys = require('object-keys');\nvar isArguments = require('is-arguments');\nvar is = require('object-is');\nvar isRegex = require('is-regex');\nvar flags = require('regexp.prototype.flags');\nvar isDate = require('is-date-object');\n\nvar getTime = Date.prototype.getTime;\n\nfunction deepEqual(actual, expected, options) {\n var opts = options || {};\n\n // 7.1. All identical values are equivalent, as determined by ===.\n if (opts.strict ? is(actual, expected) : actual === expected) {\n return true;\n }\n\n // 7.3. Other pairs that do not both pass typeof value == 'object', equivalence is determined by ==.\n if (!actual || !expected || (typeof actual !== 'object' && typeof expected !== 'object')) {\n return opts.strict ? is(actual, expected) : actual == expected;\n }\n\n /*\n * 7.4. For all other Object pairs, including Array objects, equivalence is\n * determined by having the same number of owned properties (as verified\n * with Object.prototype.hasOwnProperty.call), the same set of keys\n * (although not necessarily the same order), equivalent values for every\n * corresponding key, and an identical 'prototype' property. Note: this\n * accounts for both named and indexed properties on Arrays.\n */\n // eslint-disable-next-line no-use-before-define\n return objEquiv(actual, expected, opts);\n}\n\nfunction isUndefinedOrNull(value) {\n return value === null || value === undefined;\n}\n\nfunction isBuffer(x) {\n if (!x || typeof x !== 'object' || typeof x.length !== 'number') {\n return false;\n }\n if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {\n return false;\n }\n if (x.length > 0 && typeof x[0] !== 'number') {\n return false;\n }\n return true;\n}\n\nfunction objEquiv(a, b, opts) {\n /* eslint max-statements: [2, 50] */\n var i, key;\n if (typeof a !== typeof b) { return false; }\n if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) { return false; }\n\n // an identical 'prototype' property.\n if (a.prototype !== b.prototype) { return false; }\n\n if (isArguments(a) !== isArguments(b)) { return false; }\n\n var aIsRegex = isRegex(a);\n var bIsRegex = isRegex(b);\n if (aIsRegex !== bIsRegex) { return false; }\n if (aIsRegex || bIsRegex) {\n return a.source === b.source && flags(a) === flags(b);\n }\n\n if (isDate(a) && isDate(b)) {\n return getTime.call(a) === getTime.call(b);\n }\n\n var aIsBuffer = isBuffer(a);\n var bIsBuffer = isBuffer(b);\n if (aIsBuffer !== bIsBuffer) { return false; }\n if (aIsBuffer || bIsBuffer) { // && would work too, because both are true or both false here\n if (a.length !== b.length) { return false; }\n for (i = 0; i < a.length; i++) {\n if (a[i] !== b[i]) { return false; }\n }\n return true;\n }\n\n if (typeof a !== typeof b) { return false; }\n\n try {\n var ka = objectKeys(a);\n var kb = objectKeys(b);\n } catch (e) { // happens when one is a string literal and the other isn't\n return false;\n }\n // having the same number of owned properties (keys incorporates hasOwnProperty)\n if (ka.length !== kb.length) { return false; }\n\n // the same set of keys (although not necessarily the same order),\n ka.sort();\n kb.sort();\n // ~~~cheap key test\n for (i = ka.length - 1; i >= 0; i--) {\n if (ka[i] != kb[i]) { return false; }\n }\n // equivalent values for every corresponding key, and ~~~possibly expensive deep test\n for (i = ka.length - 1; i >= 0; i--) {\n key = ka[i];\n if (!deepEqual(a[key], b[key], opts)) { return false; }\n }\n\n return true;\n}\n\nmodule.exports = deepEqual;\n","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar helpers = require('@turf/helpers');\n\n/**\n * Callback for coordEach\n *\n * @callback coordEachCallback\n * @param {Array} currentCoord The current coordinate being processed.\n * @param {number} coordIndex The current index of the coordinate being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.\n * @param {number} geometryIndex The current index of the Geometry being processed.\n */\n\n/**\n * Iterate over coordinates in any GeoJSON object, similar to Array.forEach()\n *\n * @name coordEach\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (currentCoord, coordIndex, featureIndex, multiFeatureIndex)\n * @param {boolean} [excludeWrapCoord=false] whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration.\n * @returns {void}\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {\"foo\": \"bar\"}),\n * turf.point([36, 53], {\"hello\": \"world\"})\n * ]);\n *\n * turf.coordEach(features, function (currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) {\n * //=currentCoord\n * //=coordIndex\n * //=featureIndex\n * //=multiFeatureIndex\n * //=geometryIndex\n * });\n */\nfunction coordEach(geojson, callback, excludeWrapCoord) {\n // Handles null Geometry -- Skips this GeoJSON\n if (geojson === null) return;\n var j,\n k,\n l,\n geometry,\n stopG,\n coords,\n geometryMaybeCollection,\n wrapShrink = 0,\n coordIndex = 0,\n isGeometryCollection,\n type = geojson.type,\n isFeatureCollection = type === \"FeatureCollection\",\n isFeature = type === \"Feature\",\n stop = isFeatureCollection ? geojson.features.length : 1;\n\n // This logic may look a little weird. The reason why it is that way\n // is because it's trying to be fast. GeoJSON supports multiple kinds\n // of objects at its root: FeatureCollection, Features, Geometries.\n // This function has the responsibility of handling all of them, and that\n // means that some of the `for` loops you see below actually just don't apply\n // to certain inputs. For instance, if you give this just a\n // Point geometry, then both loops are short-circuited and all we do\n // is gradually rename the input until it's called 'geometry'.\n //\n // This also aims to allocate as few resources as possible: just a\n // few numbers and booleans, rather than any temporary arrays as would\n // be required with the normalization approach.\n for (var featureIndex = 0; featureIndex < stop; featureIndex++) {\n geometryMaybeCollection = isFeatureCollection\n ? geojson.features[featureIndex].geometry\n : isFeature\n ? geojson.geometry\n : geojson;\n isGeometryCollection = geometryMaybeCollection\n ? geometryMaybeCollection.type === \"GeometryCollection\"\n : false;\n stopG = isGeometryCollection\n ? geometryMaybeCollection.geometries.length\n : 1;\n\n for (var geomIndex = 0; geomIndex < stopG; geomIndex++) {\n var multiFeatureIndex = 0;\n var geometryIndex = 0;\n geometry = isGeometryCollection\n ? geometryMaybeCollection.geometries[geomIndex]\n : geometryMaybeCollection;\n\n // Handles null Geometry -- Skips this geometry\n if (geometry === null) continue;\n coords = geometry.coordinates;\n var geomType = geometry.type;\n\n wrapShrink =\n excludeWrapCoord &&\n (geomType === \"Polygon\" || geomType === \"MultiPolygon\")\n ? 1\n : 0;\n\n switch (geomType) {\n case null:\n break;\n case \"Point\":\n if (\n callback(\n coords,\n coordIndex,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n ) === false\n )\n return false;\n coordIndex++;\n multiFeatureIndex++;\n break;\n case \"LineString\":\n case \"MultiPoint\":\n for (j = 0; j < coords.length; j++) {\n if (\n callback(\n coords[j],\n coordIndex,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n ) === false\n )\n return false;\n coordIndex++;\n if (geomType === \"MultiPoint\") multiFeatureIndex++;\n }\n if (geomType === \"LineString\") multiFeatureIndex++;\n break;\n case \"Polygon\":\n case \"MultiLineString\":\n for (j = 0; j < coords.length; j++) {\n for (k = 0; k < coords[j].length - wrapShrink; k++) {\n if (\n callback(\n coords[j][k],\n coordIndex,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n ) === false\n )\n return false;\n coordIndex++;\n }\n if (geomType === \"MultiLineString\") multiFeatureIndex++;\n if (geomType === \"Polygon\") geometryIndex++;\n }\n if (geomType === \"Polygon\") multiFeatureIndex++;\n break;\n case \"MultiPolygon\":\n for (j = 0; j < coords.length; j++) {\n geometryIndex = 0;\n for (k = 0; k < coords[j].length; k++) {\n for (l = 0; l < coords[j][k].length - wrapShrink; l++) {\n if (\n callback(\n coords[j][k][l],\n coordIndex,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n ) === false\n )\n return false;\n coordIndex++;\n }\n geometryIndex++;\n }\n multiFeatureIndex++;\n }\n break;\n case \"GeometryCollection\":\n for (j = 0; j < geometry.geometries.length; j++)\n if (\n coordEach(geometry.geometries[j], callback, excludeWrapCoord) ===\n false\n )\n return false;\n break;\n default:\n throw new Error(\"Unknown Geometry Type\");\n }\n }\n }\n}\n\n/**\n * Callback for coordReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback coordReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {Array} currentCoord The current coordinate being processed.\n * @param {number} coordIndex The current index of the coordinate being processed.\n * Starts at index 0, if an initialValue is provided, and at index 1 otherwise.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.\n * @param {number} geometryIndex The current index of the Geometry being processed.\n */\n\n/**\n * Reduce coordinates in any GeoJSON object, similar to Array.reduce()\n *\n * @name coordReduce\n * @param {FeatureCollection|Geometry|Feature} geojson any GeoJSON object\n * @param {Function} callback a method that takes (previousValue, currentCoord, coordIndex)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @param {boolean} [excludeWrapCoord=false] whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration.\n * @returns {*} The value that results from the reduction.\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {\"foo\": \"bar\"}),\n * turf.point([36, 53], {\"hello\": \"world\"})\n * ]);\n *\n * turf.coordReduce(features, function (previousValue, currentCoord, coordIndex, featureIndex, multiFeatureIndex, geometryIndex) {\n * //=previousValue\n * //=currentCoord\n * //=coordIndex\n * //=featureIndex\n * //=multiFeatureIndex\n * //=geometryIndex\n * return currentCoord;\n * });\n */\nfunction coordReduce(geojson, callback, initialValue, excludeWrapCoord) {\n var previousValue = initialValue;\n coordEach(\n geojson,\n function (\n currentCoord,\n coordIndex,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n ) {\n if (coordIndex === 0 && initialValue === undefined)\n previousValue = currentCoord;\n else\n previousValue = callback(\n previousValue,\n currentCoord,\n coordIndex,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n );\n },\n excludeWrapCoord\n );\n return previousValue;\n}\n\n/**\n * Callback for propEach\n *\n * @callback propEachCallback\n * @param {Object} currentProperties The current Properties being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n */\n\n/**\n * Iterate over properties in any GeoJSON object, similar to Array.forEach()\n *\n * @name propEach\n * @param {FeatureCollection|Feature} geojson any GeoJSON object\n * @param {Function} callback a method that takes (currentProperties, featureIndex)\n * @returns {void}\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.point([36, 53], {hello: 'world'})\n * ]);\n *\n * turf.propEach(features, function (currentProperties, featureIndex) {\n * //=currentProperties\n * //=featureIndex\n * });\n */\nfunction propEach(geojson, callback) {\n var i;\n switch (geojson.type) {\n case \"FeatureCollection\":\n for (i = 0; i < geojson.features.length; i++) {\n if (callback(geojson.features[i].properties, i) === false) break;\n }\n break;\n case \"Feature\":\n callback(geojson.properties, 0);\n break;\n }\n}\n\n/**\n * Callback for propReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback propReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {*} currentProperties The current Properties being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n */\n\n/**\n * Reduce properties in any GeoJSON object into a single value,\n * similar to how Array.reduce works. However, in this case we lazily run\n * the reduction, so an array of all properties is unnecessary.\n *\n * @name propReduce\n * @param {FeatureCollection|Feature} geojson any GeoJSON object\n * @param {Function} callback a method that takes (previousValue, currentProperties, featureIndex)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @returns {*} The value that results from the reduction.\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.point([36, 53], {hello: 'world'})\n * ]);\n *\n * turf.propReduce(features, function (previousValue, currentProperties, featureIndex) {\n * //=previousValue\n * //=currentProperties\n * //=featureIndex\n * return currentProperties\n * });\n */\nfunction propReduce(geojson, callback, initialValue) {\n var previousValue = initialValue;\n propEach(geojson, function (currentProperties, featureIndex) {\n if (featureIndex === 0 && initialValue === undefined)\n previousValue = currentProperties;\n else\n previousValue = callback(previousValue, currentProperties, featureIndex);\n });\n return previousValue;\n}\n\n/**\n * Callback for featureEach\n *\n * @callback featureEachCallback\n * @param {Feature} currentFeature The current Feature being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n */\n\n/**\n * Iterate over features in any GeoJSON object, similar to\n * Array.forEach.\n *\n * @name featureEach\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (currentFeature, featureIndex)\n * @returns {void}\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.point([36, 53], {hello: 'world'})\n * ]);\n *\n * turf.featureEach(features, function (currentFeature, featureIndex) {\n * //=currentFeature\n * //=featureIndex\n * });\n */\nfunction featureEach(geojson, callback) {\n if (geojson.type === \"Feature\") {\n callback(geojson, 0);\n } else if (geojson.type === \"FeatureCollection\") {\n for (var i = 0; i < geojson.features.length; i++) {\n if (callback(geojson.features[i], i) === false) break;\n }\n }\n}\n\n/**\n * Callback for featureReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback featureReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {Feature} currentFeature The current Feature being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n */\n\n/**\n * Reduce features in any GeoJSON object, similar to Array.reduce().\n *\n * @name featureReduce\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (previousValue, currentFeature, featureIndex)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @returns {*} The value that results from the reduction.\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {\"foo\": \"bar\"}),\n * turf.point([36, 53], {\"hello\": \"world\"})\n * ]);\n *\n * turf.featureReduce(features, function (previousValue, currentFeature, featureIndex) {\n * //=previousValue\n * //=currentFeature\n * //=featureIndex\n * return currentFeature\n * });\n */\nfunction featureReduce(geojson, callback, initialValue) {\n var previousValue = initialValue;\n featureEach(geojson, function (currentFeature, featureIndex) {\n if (featureIndex === 0 && initialValue === undefined)\n previousValue = currentFeature;\n else previousValue = callback(previousValue, currentFeature, featureIndex);\n });\n return previousValue;\n}\n\n/**\n * Get all coordinates from any GeoJSON object.\n *\n * @name coordAll\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @returns {Array>} coordinate position array\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.point([36, 53], {hello: 'world'})\n * ]);\n *\n * var coords = turf.coordAll(features);\n * //= [[26, 37], [36, 53]]\n */\nfunction coordAll(geojson) {\n var coords = [];\n coordEach(geojson, function (coord) {\n coords.push(coord);\n });\n return coords;\n}\n\n/**\n * Callback for geomEach\n *\n * @callback geomEachCallback\n * @param {Geometry} currentGeometry The current Geometry being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {Object} featureProperties The current Feature Properties being processed.\n * @param {Array} featureBBox The current Feature BBox being processed.\n * @param {number|string} featureId The current Feature Id being processed.\n */\n\n/**\n * Iterate over each geometry in any GeoJSON object, similar to Array.forEach()\n *\n * @name geomEach\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (currentGeometry, featureIndex, featureProperties, featureBBox, featureId)\n * @returns {void}\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.point([36, 53], {hello: 'world'})\n * ]);\n *\n * turf.geomEach(features, function (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {\n * //=currentGeometry\n * //=featureIndex\n * //=featureProperties\n * //=featureBBox\n * //=featureId\n * });\n */\nfunction geomEach(geojson, callback) {\n var i,\n j,\n g,\n geometry,\n stopG,\n geometryMaybeCollection,\n isGeometryCollection,\n featureProperties,\n featureBBox,\n featureId,\n featureIndex = 0,\n isFeatureCollection = geojson.type === \"FeatureCollection\",\n isFeature = geojson.type === \"Feature\",\n stop = isFeatureCollection ? geojson.features.length : 1;\n\n // This logic may look a little weird. The reason why it is that way\n // is because it's trying to be fast. GeoJSON supports multiple kinds\n // of objects at its root: FeatureCollection, Features, Geometries.\n // This function has the responsibility of handling all of them, and that\n // means that some of the `for` loops you see below actually just don't apply\n // to certain inputs. For instance, if you give this just a\n // Point geometry, then both loops are short-circuited and all we do\n // is gradually rename the input until it's called 'geometry'.\n //\n // This also aims to allocate as few resources as possible: just a\n // few numbers and booleans, rather than any temporary arrays as would\n // be required with the normalization approach.\n for (i = 0; i < stop; i++) {\n geometryMaybeCollection = isFeatureCollection\n ? geojson.features[i].geometry\n : isFeature\n ? geojson.geometry\n : geojson;\n featureProperties = isFeatureCollection\n ? geojson.features[i].properties\n : isFeature\n ? geojson.properties\n : {};\n featureBBox = isFeatureCollection\n ? geojson.features[i].bbox\n : isFeature\n ? geojson.bbox\n : undefined;\n featureId = isFeatureCollection\n ? geojson.features[i].id\n : isFeature\n ? geojson.id\n : undefined;\n isGeometryCollection = geometryMaybeCollection\n ? geometryMaybeCollection.type === \"GeometryCollection\"\n : false;\n stopG = isGeometryCollection\n ? geometryMaybeCollection.geometries.length\n : 1;\n\n for (g = 0; g < stopG; g++) {\n geometry = isGeometryCollection\n ? geometryMaybeCollection.geometries[g]\n : geometryMaybeCollection;\n\n // Handle null Geometry\n if (geometry === null) {\n if (\n callback(\n null,\n featureIndex,\n featureProperties,\n featureBBox,\n featureId\n ) === false\n )\n return false;\n continue;\n }\n switch (geometry.type) {\n case \"Point\":\n case \"LineString\":\n case \"MultiPoint\":\n case \"Polygon\":\n case \"MultiLineString\":\n case \"MultiPolygon\": {\n if (\n callback(\n geometry,\n featureIndex,\n featureProperties,\n featureBBox,\n featureId\n ) === false\n )\n return false;\n break;\n }\n case \"GeometryCollection\": {\n for (j = 0; j < geometry.geometries.length; j++) {\n if (\n callback(\n geometry.geometries[j],\n featureIndex,\n featureProperties,\n featureBBox,\n featureId\n ) === false\n )\n return false;\n }\n break;\n }\n default:\n throw new Error(\"Unknown Geometry Type\");\n }\n }\n // Only increase `featureIndex` per each feature\n featureIndex++;\n }\n}\n\n/**\n * Callback for geomReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback geomReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {Geometry} currentGeometry The current Geometry being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {Object} featureProperties The current Feature Properties being processed.\n * @param {Array} featureBBox The current Feature BBox being processed.\n * @param {number|string} featureId The current Feature Id being processed.\n */\n\n/**\n * Reduce geometry in any GeoJSON object, similar to Array.reduce().\n *\n * @name geomReduce\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @returns {*} The value that results from the reduction.\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.point([36, 53], {hello: 'world'})\n * ]);\n *\n * turf.geomReduce(features, function (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {\n * //=previousValue\n * //=currentGeometry\n * //=featureIndex\n * //=featureProperties\n * //=featureBBox\n * //=featureId\n * return currentGeometry\n * });\n */\nfunction geomReduce(geojson, callback, initialValue) {\n var previousValue = initialValue;\n geomEach(\n geojson,\n function (\n currentGeometry,\n featureIndex,\n featureProperties,\n featureBBox,\n featureId\n ) {\n if (featureIndex === 0 && initialValue === undefined)\n previousValue = currentGeometry;\n else\n previousValue = callback(\n previousValue,\n currentGeometry,\n featureIndex,\n featureProperties,\n featureBBox,\n featureId\n );\n }\n );\n return previousValue;\n}\n\n/**\n * Callback for flattenEach\n *\n * @callback flattenEachCallback\n * @param {Feature} currentFeature The current flattened feature being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.\n */\n\n/**\n * Iterate over flattened features in any GeoJSON object, similar to\n * Array.forEach.\n *\n * @name flattenEach\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (currentFeature, featureIndex, multiFeatureIndex)\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'})\n * ]);\n *\n * turf.flattenEach(features, function (currentFeature, featureIndex, multiFeatureIndex) {\n * //=currentFeature\n * //=featureIndex\n * //=multiFeatureIndex\n * });\n */\nfunction flattenEach(geojson, callback) {\n geomEach(geojson, function (geometry, featureIndex, properties, bbox, id) {\n // Callback for single geometry\n var type = geometry === null ? null : geometry.type;\n switch (type) {\n case null:\n case \"Point\":\n case \"LineString\":\n case \"Polygon\":\n if (\n callback(\n helpers.feature(geometry, properties, { bbox: bbox, id: id }),\n featureIndex,\n 0\n ) === false\n )\n return false;\n return;\n }\n\n var geomType;\n\n // Callback for multi-geometry\n switch (type) {\n case \"MultiPoint\":\n geomType = \"Point\";\n break;\n case \"MultiLineString\":\n geomType = \"LineString\";\n break;\n case \"MultiPolygon\":\n geomType = \"Polygon\";\n break;\n }\n\n for (\n var multiFeatureIndex = 0;\n multiFeatureIndex < geometry.coordinates.length;\n multiFeatureIndex++\n ) {\n var coordinate = geometry.coordinates[multiFeatureIndex];\n var geom = {\n type: geomType,\n coordinates: coordinate,\n };\n if (\n callback(helpers.feature(geom, properties), featureIndex, multiFeatureIndex) ===\n false\n )\n return false;\n }\n });\n}\n\n/**\n * Callback for flattenReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback flattenReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {Feature} currentFeature The current Feature being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.\n */\n\n/**\n * Reduce flattened features in any GeoJSON object, similar to Array.reduce().\n *\n * @name flattenReduce\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object\n * @param {Function} callback a method that takes (previousValue, currentFeature, featureIndex, multiFeatureIndex)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @returns {*} The value that results from the reduction.\n * @example\n * var features = turf.featureCollection([\n * turf.point([26, 37], {foo: 'bar'}),\n * turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'})\n * ]);\n *\n * turf.flattenReduce(features, function (previousValue, currentFeature, featureIndex, multiFeatureIndex) {\n * //=previousValue\n * //=currentFeature\n * //=featureIndex\n * //=multiFeatureIndex\n * return currentFeature\n * });\n */\nfunction flattenReduce(geojson, callback, initialValue) {\n var previousValue = initialValue;\n flattenEach(\n geojson,\n function (currentFeature, featureIndex, multiFeatureIndex) {\n if (\n featureIndex === 0 &&\n multiFeatureIndex === 0 &&\n initialValue === undefined\n )\n previousValue = currentFeature;\n else\n previousValue = callback(\n previousValue,\n currentFeature,\n featureIndex,\n multiFeatureIndex\n );\n }\n );\n return previousValue;\n}\n\n/**\n * Callback for segmentEach\n *\n * @callback segmentEachCallback\n * @param {Feature} currentSegment The current Segment being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.\n * @param {number} geometryIndex The current index of the Geometry being processed.\n * @param {number} segmentIndex The current index of the Segment being processed.\n * @returns {void}\n */\n\n/**\n * Iterate over 2-vertex line segment in any GeoJSON object, similar to Array.forEach()\n * (Multi)Point geometries do not contain segments therefore they are ignored during this operation.\n *\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON\n * @param {Function} callback a method that takes (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex)\n * @returns {void}\n * @example\n * var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]);\n *\n * // Iterate over GeoJSON by 2-vertex segments\n * turf.segmentEach(polygon, function (currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) {\n * //=currentSegment\n * //=featureIndex\n * //=multiFeatureIndex\n * //=geometryIndex\n * //=segmentIndex\n * });\n *\n * // Calculate the total number of segments\n * var total = 0;\n * turf.segmentEach(polygon, function () {\n * total++;\n * });\n */\nfunction segmentEach(geojson, callback) {\n flattenEach(geojson, function (feature, featureIndex, multiFeatureIndex) {\n var segmentIndex = 0;\n\n // Exclude null Geometries\n if (!feature.geometry) return;\n // (Multi)Point geometries do not contain segments therefore they are ignored during this operation.\n var type = feature.geometry.type;\n if (type === \"Point\" || type === \"MultiPoint\") return;\n\n // Generate 2-vertex line segments\n var previousCoords;\n var previousFeatureIndex = 0;\n var previousMultiIndex = 0;\n var prevGeomIndex = 0;\n if (\n coordEach(\n feature,\n function (\n currentCoord,\n coordIndex,\n featureIndexCoord,\n multiPartIndexCoord,\n geometryIndex\n ) {\n // Simulating a meta.coordReduce() since `reduce` operations cannot be stopped by returning `false`\n if (\n previousCoords === undefined ||\n featureIndex > previousFeatureIndex ||\n multiPartIndexCoord > previousMultiIndex ||\n geometryIndex > prevGeomIndex\n ) {\n previousCoords = currentCoord;\n previousFeatureIndex = featureIndex;\n previousMultiIndex = multiPartIndexCoord;\n prevGeomIndex = geometryIndex;\n segmentIndex = 0;\n return;\n }\n var currentSegment = helpers.lineString(\n [previousCoords, currentCoord],\n feature.properties\n );\n if (\n callback(\n currentSegment,\n featureIndex,\n multiFeatureIndex,\n geometryIndex,\n segmentIndex\n ) === false\n )\n return false;\n segmentIndex++;\n previousCoords = currentCoord;\n }\n ) === false\n )\n return false;\n });\n}\n\n/**\n * Callback for segmentReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback segmentReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {Feature} currentSegment The current Segment being processed.\n * @param {number} featureIndex The current index of the Feature being processed.\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.\n * @param {number} geometryIndex The current index of the Geometry being processed.\n * @param {number} segmentIndex The current index of the Segment being processed.\n */\n\n/**\n * Reduce 2-vertex line segment in any GeoJSON object, similar to Array.reduce()\n * (Multi)Point geometries do not contain segments therefore they are ignored during this operation.\n *\n * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON\n * @param {Function} callback a method that takes (previousValue, currentSegment, currentIndex)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @returns {void}\n * @example\n * var polygon = turf.polygon([[[-50, 5], [-40, -10], [-50, -10], [-40, 5], [-50, 5]]]);\n *\n * // Iterate over GeoJSON by 2-vertex segments\n * turf.segmentReduce(polygon, function (previousSegment, currentSegment, featureIndex, multiFeatureIndex, geometryIndex, segmentIndex) {\n * //= previousSegment\n * //= currentSegment\n * //= featureIndex\n * //= multiFeatureIndex\n * //= geometryIndex\n * //= segmentIndex\n * return currentSegment\n * });\n *\n * // Calculate the total number of segments\n * var initialValue = 0\n * var total = turf.segmentReduce(polygon, function (previousValue) {\n * previousValue++;\n * return previousValue;\n * }, initialValue);\n */\nfunction segmentReduce(geojson, callback, initialValue) {\n var previousValue = initialValue;\n var started = false;\n segmentEach(\n geojson,\n function (\n currentSegment,\n featureIndex,\n multiFeatureIndex,\n geometryIndex,\n segmentIndex\n ) {\n if (started === false && initialValue === undefined)\n previousValue = currentSegment;\n else\n previousValue = callback(\n previousValue,\n currentSegment,\n featureIndex,\n multiFeatureIndex,\n geometryIndex,\n segmentIndex\n );\n started = true;\n }\n );\n return previousValue;\n}\n\n/**\n * Callback for lineEach\n *\n * @callback lineEachCallback\n * @param {Feature} currentLine The current LineString|LinearRing being processed\n * @param {number} featureIndex The current index of the Feature being processed\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed\n * @param {number} geometryIndex The current index of the Geometry being processed\n */\n\n/**\n * Iterate over line or ring coordinates in LineString, Polygon, MultiLineString, MultiPolygon Features or Geometries,\n * similar to Array.forEach.\n *\n * @name lineEach\n * @param {Geometry|Feature} geojson object\n * @param {Function} callback a method that takes (currentLine, featureIndex, multiFeatureIndex, geometryIndex)\n * @example\n * var multiLine = turf.multiLineString([\n * [[26, 37], [35, 45]],\n * [[36, 53], [38, 50], [41, 55]]\n * ]);\n *\n * turf.lineEach(multiLine, function (currentLine, featureIndex, multiFeatureIndex, geometryIndex) {\n * //=currentLine\n * //=featureIndex\n * //=multiFeatureIndex\n * //=geometryIndex\n * });\n */\nfunction lineEach(geojson, callback) {\n // validation\n if (!geojson) throw new Error(\"geojson is required\");\n\n flattenEach(geojson, function (feature, featureIndex, multiFeatureIndex) {\n if (feature.geometry === null) return;\n var type = feature.geometry.type;\n var coords = feature.geometry.coordinates;\n switch (type) {\n case \"LineString\":\n if (callback(feature, featureIndex, multiFeatureIndex, 0, 0) === false)\n return false;\n break;\n case \"Polygon\":\n for (\n var geometryIndex = 0;\n geometryIndex < coords.length;\n geometryIndex++\n ) {\n if (\n callback(\n helpers.lineString(coords[geometryIndex], feature.properties),\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n ) === false\n )\n return false;\n }\n break;\n }\n });\n}\n\n/**\n * Callback for lineReduce\n *\n * The first time the callback function is called, the values provided as arguments depend\n * on whether the reduce method has an initialValue argument.\n *\n * If an initialValue is provided to the reduce method:\n * - The previousValue argument is initialValue.\n * - The currentValue argument is the value of the first element present in the array.\n *\n * If an initialValue is not provided:\n * - The previousValue argument is the value of the first element present in the array.\n * - The currentValue argument is the value of the second element present in the array.\n *\n * @callback lineReduceCallback\n * @param {*} previousValue The accumulated value previously returned in the last invocation\n * of the callback, or initialValue, if supplied.\n * @param {Feature} currentLine The current LineString|LinearRing being processed.\n * @param {number} featureIndex The current index of the Feature being processed\n * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed\n * @param {number} geometryIndex The current index of the Geometry being processed\n */\n\n/**\n * Reduce features in any GeoJSON object, similar to Array.reduce().\n *\n * @name lineReduce\n * @param {Geometry|Feature} geojson object\n * @param {Function} callback a method that takes (previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex)\n * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.\n * @returns {*} The value that results from the reduction.\n * @example\n * var multiPoly = turf.multiPolygon([\n * turf.polygon([[[12,48],[2,41],[24,38],[12,48]], [[9,44],[13,41],[13,45],[9,44]]]),\n * turf.polygon([[[5, 5], [0, 0], [2, 2], [4, 4], [5, 5]]])\n * ]);\n *\n * turf.lineReduce(multiPoly, function (previousValue, currentLine, featureIndex, multiFeatureIndex, geometryIndex) {\n * //=previousValue\n * //=currentLine\n * //=featureIndex\n * //=multiFeatureIndex\n * //=geometryIndex\n * return currentLine\n * });\n */\nfunction lineReduce(geojson, callback, initialValue) {\n var previousValue = initialValue;\n lineEach(\n geojson,\n function (currentLine, featureIndex, multiFeatureIndex, geometryIndex) {\n if (featureIndex === 0 && initialValue === undefined)\n previousValue = currentLine;\n else\n previousValue = callback(\n previousValue,\n currentLine,\n featureIndex,\n multiFeatureIndex,\n geometryIndex\n );\n }\n );\n return previousValue;\n}\n\n/**\n * Finds a particular 2-vertex LineString Segment from a GeoJSON using `@turf/meta` indexes.\n *\n * Negative indexes are permitted.\n * Point & MultiPoint will always return null.\n *\n * @param {FeatureCollection|Feature|Geometry} geojson Any GeoJSON Feature or Geometry\n * @param {Object} [options={}] Optional parameters\n * @param {number} [options.featureIndex=0] Feature Index\n * @param {number} [options.multiFeatureIndex=0] Multi-Feature Index\n * @param {number} [options.geometryIndex=0] Geometry Index\n * @param {number} [options.segmentIndex=0] Segment Index\n * @param {Object} [options.properties={}] Translate Properties to output LineString\n * @param {BBox} [options.bbox={}] Translate BBox to output LineString\n * @param {number|string} [options.id={}] Translate Id to output LineString\n * @returns {Feature} 2-vertex GeoJSON Feature LineString\n * @example\n * var multiLine = turf.multiLineString([\n * [[10, 10], [50, 30], [30, 40]],\n * [[-10, -10], [-50, -30], [-30, -40]]\n * ]);\n *\n * // First Segment (defaults are 0)\n * turf.findSegment(multiLine);\n * // => Feature>\n *\n * // First Segment of 2nd Multi Feature\n * turf.findSegment(multiLine, {multiFeatureIndex: 1});\n * // => Feature>\n *\n * // Last Segment of Last Multi Feature\n * turf.findSegment(multiLine, {multiFeatureIndex: -1, segmentIndex: -1});\n * // => Feature>\n */\nfunction findSegment(geojson, options) {\n // Optional Parameters\n options = options || {};\n if (!helpers.isObject(options)) throw new Error(\"options is invalid\");\n var featureIndex = options.featureIndex || 0;\n var multiFeatureIndex = options.multiFeatureIndex || 0;\n var geometryIndex = options.geometryIndex || 0;\n var segmentIndex = options.segmentIndex || 0;\n\n // Find FeatureIndex\n var properties = options.properties;\n var geometry;\n\n switch (geojson.type) {\n case \"FeatureCollection\":\n if (featureIndex < 0)\n featureIndex = geojson.features.length + featureIndex;\n properties = properties || geojson.features[featureIndex].properties;\n geometry = geojson.features[featureIndex].geometry;\n break;\n case \"Feature\":\n properties = properties || geojson.properties;\n geometry = geojson.geometry;\n break;\n case \"Point\":\n case \"MultiPoint\":\n return null;\n case \"LineString\":\n case \"Polygon\":\n case \"MultiLineString\":\n case \"MultiPolygon\":\n geometry = geojson;\n break;\n default:\n throw new Error(\"geojson is invalid\");\n }\n\n // Find SegmentIndex\n if (geometry === null) return null;\n var coords = geometry.coordinates;\n switch (geometry.type) {\n case \"Point\":\n case \"MultiPoint\":\n return null;\n case \"LineString\":\n if (segmentIndex < 0) segmentIndex = coords.length + segmentIndex - 1;\n return helpers.lineString(\n [coords[segmentIndex], coords[segmentIndex + 1]],\n properties,\n options\n );\n case \"Polygon\":\n if (geometryIndex < 0) geometryIndex = coords.length + geometryIndex;\n if (segmentIndex < 0)\n segmentIndex = coords[geometryIndex].length + segmentIndex - 1;\n return helpers.lineString(\n [\n coords[geometryIndex][segmentIndex],\n coords[geometryIndex][segmentIndex + 1],\n ],\n properties,\n options\n );\n case \"MultiLineString\":\n if (multiFeatureIndex < 0)\n multiFeatureIndex = coords.length + multiFeatureIndex;\n if (segmentIndex < 0)\n segmentIndex = coords[multiFeatureIndex].length + segmentIndex - 1;\n return helpers.lineString(\n [\n coords[multiFeatureIndex][segmentIndex],\n coords[multiFeatureIndex][segmentIndex + 1],\n ],\n properties,\n options\n );\n case \"MultiPolygon\":\n if (multiFeatureIndex < 0)\n multiFeatureIndex = coords.length + multiFeatureIndex;\n if (geometryIndex < 0)\n geometryIndex = coords[multiFeatureIndex].length + geometryIndex;\n if (segmentIndex < 0)\n segmentIndex =\n coords[multiFeatureIndex][geometryIndex].length - segmentIndex - 1;\n return helpers.lineString(\n [\n coords[multiFeatureIndex][geometryIndex][segmentIndex],\n coords[multiFeatureIndex][geometryIndex][segmentIndex + 1],\n ],\n properties,\n options\n );\n }\n throw new Error(\"geojson is invalid\");\n}\n\n/**\n * Finds a particular Point from a GeoJSON using `@turf/meta` indexes.\n *\n * Negative indexes are permitted.\n *\n * @param {FeatureCollection|Feature|Geometry} geojson Any GeoJSON Feature or Geometry\n * @param {Object} [options={}] Optional parameters\n * @param {number} [options.featureIndex=0] Feature Index\n * @param {number} [options.multiFeatureIndex=0] Multi-Feature Index\n * @param {number} [options.geometryIndex=0] Geometry Index\n * @param {number} [options.coordIndex=0] Coord Index\n * @param {Object} [options.properties={}] Translate Properties to output Point\n * @param {BBox} [options.bbox={}] Translate BBox to output Point\n * @param {number|string} [options.id={}] Translate Id to output Point\n * @returns {Feature} 2-vertex GeoJSON Feature Point\n * @example\n * var multiLine = turf.multiLineString([\n * [[10, 10], [50, 30], [30, 40]],\n * [[-10, -10], [-50, -30], [-30, -40]]\n * ]);\n *\n * // First Segment (defaults are 0)\n * turf.findPoint(multiLine);\n * // => Feature>\n *\n * // First Segment of the 2nd Multi-Feature\n * turf.findPoint(multiLine, {multiFeatureIndex: 1});\n * // => Feature>\n *\n * // Last Segment of last Multi-Feature\n * turf.findPoint(multiLine, {multiFeatureIndex: -1, coordIndex: -1});\n * // => Feature>\n */\nfunction findPoint(geojson, options) {\n // Optional Parameters\n options = options || {};\n if (!helpers.isObject(options)) throw new Error(\"options is invalid\");\n var featureIndex = options.featureIndex || 0;\n var multiFeatureIndex = options.multiFeatureIndex || 0;\n var geometryIndex = options.geometryIndex || 0;\n var coordIndex = options.coordIndex || 0;\n\n // Find FeatureIndex\n var properties = options.properties;\n var geometry;\n\n switch (geojson.type) {\n case \"FeatureCollection\":\n if (featureIndex < 0)\n featureIndex = geojson.features.length + featureIndex;\n properties = properties || geojson.features[featureIndex].properties;\n geometry = geojson.features[featureIndex].geometry;\n break;\n case \"Feature\":\n properties = properties || geojson.properties;\n geometry = geojson.geometry;\n break;\n case \"Point\":\n case \"MultiPoint\":\n return null;\n case \"LineString\":\n case \"Polygon\":\n case \"MultiLineString\":\n case \"MultiPolygon\":\n geometry = geojson;\n break;\n default:\n throw new Error(\"geojson is invalid\");\n }\n\n // Find Coord Index\n if (geometry === null) return null;\n var coords = geometry.coordinates;\n switch (geometry.type) {\n case \"Point\":\n return helpers.point(coords, properties, options);\n case \"MultiPoint\":\n if (multiFeatureIndex < 0)\n multiFeatureIndex = coords.length + multiFeatureIndex;\n return helpers.point(coords[multiFeatureIndex], properties, options);\n case \"LineString\":\n if (coordIndex < 0) coordIndex = coords.length + coordIndex;\n return helpers.point(coords[coordIndex], properties, options);\n case \"Polygon\":\n if (geometryIndex < 0) geometryIndex = coords.length + geometryIndex;\n if (coordIndex < 0)\n coordIndex = coords[geometryIndex].length + coordIndex;\n return helpers.point(coords[geometryIndex][coordIndex], properties, options);\n case \"MultiLineString\":\n if (multiFeatureIndex < 0)\n multiFeatureIndex = coords.length + multiFeatureIndex;\n if (coordIndex < 0)\n coordIndex = coords[multiFeatureIndex].length + coordIndex;\n return helpers.point(coords[multiFeatureIndex][coordIndex], properties, options);\n case \"MultiPolygon\":\n if (multiFeatureIndex < 0)\n multiFeatureIndex = coords.length + multiFeatureIndex;\n if (geometryIndex < 0)\n geometryIndex = coords[multiFeatureIndex].length + geometryIndex;\n if (coordIndex < 0)\n coordIndex =\n coords[multiFeatureIndex][geometryIndex].length - coordIndex;\n return helpers.point(\n coords[multiFeatureIndex][geometryIndex][coordIndex],\n properties,\n options\n );\n }\n throw new Error(\"geojson is invalid\");\n}\n\nexports.coordAll = coordAll;\nexports.coordEach = coordEach;\nexports.coordReduce = coordReduce;\nexports.featureEach = featureEach;\nexports.featureReduce = featureReduce;\nexports.findPoint = findPoint;\nexports.findSegment = findSegment;\nexports.flattenEach = flattenEach;\nexports.flattenReduce = flattenReduce;\nexports.geomEach = geomEach;\nexports.geomReduce = geomReduce;\nexports.lineEach = lineEach;\nexports.lineReduce = lineReduce;\nexports.propEach = propEach;\nexports.propReduce = propReduce;\nexports.segmentEach = segmentEach;\nexports.segmentReduce = segmentReduce;\n","'use strict';\n\nvar GetIntrinsic = require('get-intrinsic');\n\nvar callBind = require('./');\n\nvar $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));\n\nmodule.exports = function callBoundIntrinsic(name, allowMissing) {\n\tvar intrinsic = GetIntrinsic(name, !!allowMissing);\n\tif (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {\n\t\treturn callBind(intrinsic);\n\t}\n\treturn intrinsic;\n};\n","'use strict';\n\nvar bind = require('function-bind');\nvar GetIntrinsic = require('get-intrinsic');\nvar setFunctionLength = require('set-function-length');\n\nvar $TypeError = require('es-errors/type');\nvar $apply = GetIntrinsic('%Function.prototype.apply%');\nvar $call = GetIntrinsic('%Function.prototype.call%');\nvar $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply);\n\nvar $defineProperty = require('es-define-property');\nvar $max = GetIntrinsic('%Math.max%');\n\nmodule.exports = function callBind(originalFunction) {\n\tif (typeof originalFunction !== 'function') {\n\t\tthrow new $TypeError('a function is required');\n\t}\n\tvar func = $reflectApply(bind, $call, arguments);\n\treturn setFunctionLength(\n\t\tfunc,\n\t\t1 + $max(0, originalFunction.length - (arguments.length - 1)),\n\t\ttrue\n\t);\n};\n\nvar applyBind = function applyBind() {\n\treturn $reflectApply(bind, $apply, arguments);\n};\n\nif ($defineProperty) {\n\t$defineProperty(module.exports, 'apply', { value: applyBind });\n} else {\n\tmodule.exports.apply = applyBind;\n}\n","'use strict';\n\nvar RBush = require('rbush');\nvar Queue = require('tinyqueue');\nvar pointInPolygon = require('point-in-polygon');\nvar orient = require('robust-predicates/umd/orient2d.min.js').orient2d;\n\n// Fix for require issue in webpack https://github.com/mapbox/concaveman/issues/18\nif (Queue.default) {\n Queue = Queue.default;\n}\n\nmodule.exports = concaveman;\nmodule.exports.default = concaveman;\n\nfunction concaveman(points, concavity, lengthThreshold) {\n // a relative measure of concavity; higher value means simpler hull\n concavity = Math.max(0, concavity === undefined ? 2 : concavity);\n\n // when a segment goes below this length threshold, it won't be drilled down further\n lengthThreshold = lengthThreshold || 0;\n\n // start with a convex hull of the points\n var hull = fastConvexHull(points);\n\n // index the points with an R-tree\n var tree = new RBush(16);\n tree.toBBox = function (a) {\n return {\n minX: a[0],\n minY: a[1],\n maxX: a[0],\n maxY: a[1]\n };\n };\n tree.compareMinX = function (a, b) { return a[0] - b[0]; };\n tree.compareMinY = function (a, b) { return a[1] - b[1]; };\n\n tree.load(points);\n\n // turn the convex hull into a linked list and populate the initial edge queue with the nodes\n var queue = [];\n for (var i = 0, last; i < hull.length; i++) {\n var p = hull[i];\n tree.remove(p);\n last = insertNode(p, last);\n queue.push(last);\n }\n\n // index the segments with an R-tree (for intersection checks)\n var segTree = new RBush(16);\n for (i = 0; i < queue.length; i++) segTree.insert(updateBBox(queue[i]));\n\n var sqConcavity = concavity * concavity;\n var sqLenThreshold = lengthThreshold * lengthThreshold;\n\n // process edges one by one\n while (queue.length) {\n var node = queue.shift();\n var a = node.p;\n var b = node.next.p;\n\n // skip the edge if it's already short enough\n var sqLen = getSqDist(a, b);\n if (sqLen < sqLenThreshold) continue;\n\n var maxSqLen = sqLen / sqConcavity;\n\n // find the best connection point for the current edge to flex inward to\n p = findCandidate(tree, node.prev.p, a, b, node.next.next.p, maxSqLen, segTree);\n\n // if we found a connection and it satisfies our concavity measure\n if (p && Math.min(getSqDist(p, a), getSqDist(p, b)) <= maxSqLen) {\n // connect the edge endpoints through this point and add 2 new edges to the queue\n queue.push(node);\n queue.push(insertNode(p, node));\n\n // update point and segment indexes\n tree.remove(p);\n segTree.remove(node);\n segTree.insert(updateBBox(node));\n segTree.insert(updateBBox(node.next));\n }\n }\n\n // convert the resulting hull linked list to an array of points\n node = last;\n var concave = [];\n do {\n concave.push(node.p);\n node = node.next;\n } while (node !== last);\n\n concave.push(node.p);\n\n return concave;\n}\n\nfunction findCandidate(tree, a, b, c, d, maxDist, segTree) {\n var queue = new Queue([], compareDist);\n var node = tree.data;\n\n // search through the point R-tree with a depth-first search using a priority queue\n // in the order of distance to the edge (b, c)\n while (node) {\n for (var i = 0; i < node.children.length; i++) {\n var child = node.children[i];\n\n var dist = node.leaf ? sqSegDist(child, b, c) : sqSegBoxDist(b, c, child);\n if (dist > maxDist) continue; // skip the node if it's farther than we ever need\n\n queue.push({\n node: child,\n dist: dist\n });\n }\n\n while (queue.length && !queue.peek().node.children) {\n var item = queue.pop();\n var p = item.node;\n\n // skip all points that are as close to adjacent edges (a,b) and (c,d),\n // and points that would introduce self-intersections when connected\n var d0 = sqSegDist(p, a, b);\n var d1 = sqSegDist(p, c, d);\n if (item.dist < d0 && item.dist < d1 &&\n noIntersections(b, p, segTree) &&\n noIntersections(c, p, segTree)) return p;\n }\n\n node = queue.pop();\n if (node) node = node.node;\n }\n\n return null;\n}\n\nfunction compareDist(a, b) {\n return a.dist - b.dist;\n}\n\n// square distance from a segment bounding box to the given one\nfunction sqSegBoxDist(a, b, bbox) {\n if (inside(a, bbox) || inside(b, bbox)) return 0;\n var d1 = sqSegSegDist(a[0], a[1], b[0], b[1], bbox.minX, bbox.minY, bbox.maxX, bbox.minY);\n if (d1 === 0) return 0;\n var d2 = sqSegSegDist(a[0], a[1], b[0], b[1], bbox.minX, bbox.minY, bbox.minX, bbox.maxY);\n if (d2 === 0) return 0;\n var d3 = sqSegSegDist(a[0], a[1], b[0], b[1], bbox.maxX, bbox.minY, bbox.maxX, bbox.maxY);\n if (d3 === 0) return 0;\n var d4 = sqSegSegDist(a[0], a[1], b[0], b[1], bbox.minX, bbox.maxY, bbox.maxX, bbox.maxY);\n if (d4 === 0) return 0;\n return Math.min(d1, d2, d3, d4);\n}\n\nfunction inside(a, bbox) {\n return a[0] >= bbox.minX &&\n a[0] <= bbox.maxX &&\n a[1] >= bbox.minY &&\n a[1] <= bbox.maxY;\n}\n\n// check if the edge (a,b) doesn't intersect any other edges\nfunction noIntersections(a, b, segTree) {\n var minX = Math.min(a[0], b[0]);\n var minY = Math.min(a[1], b[1]);\n var maxX = Math.max(a[0], b[0]);\n var maxY = Math.max(a[1], b[1]);\n\n var edges = segTree.search({minX: minX, minY: minY, maxX: maxX, maxY: maxY});\n for (var i = 0; i < edges.length; i++) {\n if (intersects(edges[i].p, edges[i].next.p, a, b)) return false;\n }\n return true;\n}\n\nfunction cross(p1, p2, p3) {\n return orient(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]);\n}\n\n// check if the edges (p1,q1) and (p2,q2) intersect\nfunction intersects(p1, q1, p2, q2) {\n return p1 !== q2 && q1 !== p2 &&\n cross(p1, q1, p2) > 0 !== cross(p1, q1, q2) > 0 &&\n cross(p2, q2, p1) > 0 !== cross(p2, q2, q1) > 0;\n}\n\n// update the bounding box of a node's edge\nfunction updateBBox(node) {\n var p1 = node.p;\n var p2 = node.next.p;\n node.minX = Math.min(p1[0], p2[0]);\n node.minY = Math.min(p1[1], p2[1]);\n node.maxX = Math.max(p1[0], p2[0]);\n node.maxY = Math.max(p1[1], p2[1]);\n return node;\n}\n\n// speed up convex hull by filtering out points inside quadrilateral formed by 4 extreme points\nfunction fastConvexHull(points) {\n var left = points[0];\n var top = points[0];\n var right = points[0];\n var bottom = points[0];\n\n // find the leftmost, rightmost, topmost and bottommost points\n for (var i = 0; i < points.length; i++) {\n var p = points[i];\n if (p[0] < left[0]) left = p;\n if (p[0] > right[0]) right = p;\n if (p[1] < top[1]) top = p;\n if (p[1] > bottom[1]) bottom = p;\n }\n\n // filter out points that are inside the resulting quadrilateral\n var cull = [left, top, right, bottom];\n var filtered = cull.slice();\n for (i = 0; i < points.length; i++) {\n if (!pointInPolygon(points[i], cull)) filtered.push(points[i]);\n }\n\n // get convex hull around the filtered points\n return convexHull(filtered);\n}\n\n// create a new node in a doubly linked list\nfunction insertNode(p, prev) {\n var node = {\n p: p,\n prev: null,\n next: null,\n minX: 0,\n minY: 0,\n maxX: 0,\n maxY: 0\n };\n\n if (!prev) {\n node.prev = node;\n node.next = node;\n\n } else {\n node.next = prev.next;\n node.prev = prev;\n prev.next.prev = node;\n prev.next = node;\n }\n return node;\n}\n\n// square distance between 2 points\nfunction getSqDist(p1, p2) {\n\n var dx = p1[0] - p2[0],\n dy = p1[1] - p2[1];\n\n return dx * dx + dy * dy;\n}\n\n// square distance from a point to a segment\nfunction sqSegDist(p, p1, p2) {\n\n var x = p1[0],\n y = p1[1],\n dx = p2[0] - x,\n dy = p2[1] - y;\n\n if (dx !== 0 || dy !== 0) {\n\n var t = ((p[0] - x) * dx + (p[1] - y) * dy) / (dx * dx + dy * dy);\n\n if (t > 1) {\n x = p2[0];\n y = p2[1];\n\n } else if (t > 0) {\n x += dx * t;\n y += dy * t;\n }\n }\n\n dx = p[0] - x;\n dy = p[1] - y;\n\n return dx * dx + dy * dy;\n}\n\n// segment to segment distance, ported from http://geomalgorithms.com/a07-_distance.html by Dan Sunday\nfunction sqSegSegDist(x0, y0, x1, y1, x2, y2, x3, y3) {\n var ux = x1 - x0;\n var uy = y1 - y0;\n var vx = x3 - x2;\n var vy = y3 - y2;\n var wx = x0 - x2;\n var wy = y0 - y2;\n var a = ux * ux + uy * uy;\n var b = ux * vx + uy * vy;\n var c = vx * vx + vy * vy;\n var d = ux * wx + uy * wy;\n var e = vx * wx + vy * wy;\n var D = a * c - b * b;\n\n var sc, sN, tc, tN;\n var sD = D;\n var tD = D;\n\n if (D === 0) {\n sN = 0;\n sD = 1;\n tN = e;\n tD = c;\n } else {\n sN = b * e - c * d;\n tN = a * e - b * d;\n if (sN < 0) {\n sN = 0;\n tN = e;\n tD = c;\n } else if (sN > sD) {\n sN = sD;\n tN = e + b;\n tD = c;\n }\n }\n\n if (tN < 0.0) {\n tN = 0.0;\n if (-d < 0.0) sN = 0.0;\n else if (-d > a) sN = sD;\n else {\n sN = -d;\n sD = a;\n }\n } else if (tN > tD) {\n tN = tD;\n if ((-d + b) < 0.0) sN = 0;\n else if (-d + b > a) sN = sD;\n else {\n sN = -d + b;\n sD = a;\n }\n }\n\n sc = sN === 0 ? 0 : sN / sD;\n tc = tN === 0 ? 0 : tN / tD;\n\n var cx = (1 - sc) * x0 + sc * x1;\n var cy = (1 - sc) * y0 + sc * y1;\n var cx2 = (1 - tc) * x2 + tc * x3;\n var cy2 = (1 - tc) * y2 + tc * y3;\n var dx = cx2 - cx;\n var dy = cy2 - cy;\n\n return dx * dx + dy * dy;\n}\n\nfunction compareByX(a, b) {\n return a[0] === b[0] ? a[1] - b[1] : a[0] - b[0];\n}\n\nfunction convexHull(points) {\n points.sort(compareByX);\n\n var lower = [];\n for (var i = 0; i < points.length; i++) {\n while (lower.length >= 2 && cross(lower[lower.length - 2], lower[lower.length - 1], points[i]) <= 0) {\n lower.pop();\n }\n lower.push(points[i]);\n }\n\n var upper = [];\n for (var ii = points.length - 1; ii >= 0; ii--) {\n while 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require('has-property-descriptors')();\n\nvar defineProperty = function (object, name, value, predicate) {\n\tif (name in object) {\n\t\tif (predicate === true) {\n\t\t\tif (object[name] === value) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t} else if (!isFunction(predicate) || !predicate()) {\n\t\t\treturn;\n\t\t}\n\t}\n\n\tif (supportsDescriptors) {\n\t\tdefineDataProperty(object, name, value, true);\n\t} else {\n\t\tdefineDataProperty(object, name, value);\n\t}\n};\n\nvar defineProperties = function (object, map) {\n\tvar predicates = arguments.length > 2 ? arguments[2] : {};\n\tvar props = keys(map);\n\tif (hasSymbols) {\n\t\tprops = concat.call(props, Object.getOwnPropertySymbols(map));\n\t}\n\tfor (var i = 0; i < props.length; i += 1) {\n\t\tdefineProperty(object, props[i], map[props[i]], predicates[props[i]]);\n\t}\n};\n\ndefineProperties.supportsDescriptors = !!supportsDescriptors;\n\nmodule.exports = defineProperties;\n","/**\r\n * DBSCAN - Density based clustering\r\n *\r\n * @author Lukasz Krawczyk \r\n * @copyright MIT\r\n */\r\n\r\n/**\r\n * DBSCAN class construcotr\r\n * @constructor\r\n *\r\n * @param {Array} dataset\r\n * @param {number} epsilon\r\n * @param {number} minPts\r\n * @param {function} distanceFunction\r\n * @returns {DBSCAN}\r\n */\r\nfunction DBSCAN(dataset, epsilon, minPts, distanceFunction) {\r\n /** @type {Array} */\r\n this.dataset = [];\r\n /** @type {number} */\r\n this.epsilon = 1;\r\n /** @type {number} */\r\n this.minPts = 2;\r\n /** @type {function} */\r\n this.distance = this._euclideanDistance;\r\n /** @type {Array} */\r\n this.clusters = [];\r\n /** @type {Array} */\r\n this.noise = [];\r\n\r\n // temporary variables used during computation\r\n\r\n /** @type {Array} */\r\n this._visited = [];\r\n /** @type {Array} */\r\n this._assigned = [];\r\n /** @type {number} */\r\n this._datasetLength = 0;\r\n\r\n this._init(dataset, epsilon, minPts, distanceFunction);\r\n};\r\n\r\n/******************************************************************************/\r\n// public functions\r\n\r\n/**\r\n * Start clustering\r\n *\r\n * @param {Array} dataset\r\n * @param {number} epsilon\r\n * @param {number} minPts\r\n * @param {function} distanceFunction\r\n * @returns {undefined}\r\n * @access public\r\n */\r\nDBSCAN.prototype.run = function(dataset, epsilon, minPts, distanceFunction) {\r\n this._init(dataset, epsilon, minPts, distanceFunction);\r\n\r\n for (var pointId = 0; pointId < this._datasetLength; pointId++) {\r\n // if point is not visited, check if it forms a cluster\r\n if (this._visited[pointId] !== 1) {\r\n this._visited[pointId] = 1;\r\n\r\n // if closest neighborhood is too small to form a cluster, mark as noise\r\n var neighbors = this._regionQuery(pointId);\r\n\r\n if (neighbors.length < this.minPts) {\r\n this.noise.push(pointId);\r\n } else {\r\n // create new cluster and add point\r\n var clusterId = this.clusters.length;\r\n this.clusters.push([]);\r\n this._addToCluster(pointId, clusterId);\r\n\r\n this._expandCluster(clusterId, neighbors);\r\n }\r\n }\r\n }\r\n\r\n return this.clusters;\r\n};\r\n\r\n/******************************************************************************/\r\n// protected functions\r\n\r\n/**\r\n * Set object properties\r\n *\r\n * @param {Array} dataset\r\n * @param {number} epsilon\r\n * @param {number} minPts\r\n * @param {function} distance\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nDBSCAN.prototype._init = function(dataset, epsilon, minPts, distance) {\r\n\r\n if (dataset) {\r\n\r\n if (!(dataset instanceof Array)) {\r\n throw Error('Dataset must be of type array, ' +\r\n typeof dataset + ' given');\r\n }\r\n\r\n this.dataset = dataset;\r\n this.clusters = [];\r\n this.noise = [];\r\n\r\n this._datasetLength = dataset.length;\r\n this._visited = new Array(this._datasetLength);\r\n this._assigned = new Array(this._datasetLength);\r\n }\r\n\r\n if (epsilon) {\r\n this.epsilon = epsilon;\r\n }\r\n\r\n if (minPts) {\r\n this.minPts = minPts;\r\n }\r\n\r\n if (distance) {\r\n this.distance = distance;\r\n }\r\n};\r\n\r\n/**\r\n * Expand cluster to closest points of given neighborhood\r\n *\r\n * @param {number} clusterId\r\n * @param {Array} neighbors\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nDBSCAN.prototype._expandCluster = function(clusterId, neighbors) {\r\n\r\n /**\r\n * It's very important to calculate length of neighbors array each time,\r\n * as the number of elements changes over time\r\n */\r\n for (var i = 0; i < neighbors.length; i++) {\r\n var pointId2 = neighbors[i];\r\n\r\n if (this._visited[pointId2] !== 1) {\r\n this._visited[pointId2] = 1;\r\n var neighbors2 = this._regionQuery(pointId2);\r\n\r\n if (neighbors2.length >= this.minPts) {\r\n neighbors = this._mergeArrays(neighbors, neighbors2);\r\n }\r\n }\r\n\r\n // add to cluster\r\n if (this._assigned[pointId2] !== 1) {\r\n this._addToCluster(pointId2, clusterId);\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * Add new point to cluster\r\n *\r\n * @param {number} pointId\r\n * @param {number} clusterId\r\n */\r\nDBSCAN.prototype._addToCluster = function(pointId, clusterId) {\r\n this.clusters[clusterId].push(pointId);\r\n this._assigned[pointId] = 1;\r\n};\r\n\r\n/**\r\n * Find all neighbors around given point\r\n *\r\n * @param {number} pointId,\r\n * @param {number} epsilon\r\n * @returns {Array}\r\n * @access protected\r\n */\r\nDBSCAN.prototype._regionQuery = function(pointId) {\r\n var neighbors = [];\r\n\r\n for (var id = 0; id < this._datasetLength; id++) {\r\n var dist = this.distance(this.dataset[pointId], this.dataset[id]);\r\n if (dist < this.epsilon) {\r\n neighbors.push(id);\r\n }\r\n }\r\n\r\n return neighbors;\r\n};\r\n\r\n/******************************************************************************/\r\n// helpers\r\n\r\n/**\r\n * @param {Array} a\r\n * @param {Array} b\r\n * @returns {Array}\r\n * @access protected\r\n */\r\nDBSCAN.prototype._mergeArrays = function(a, b) {\r\n var len = b.length;\r\n\r\n for (var i = 0; i < len; i++) {\r\n var P = b[i];\r\n if (a.indexOf(P) < 0) {\r\n a.push(P);\r\n }\r\n }\r\n\r\n return a;\r\n};\r\n\r\n/**\r\n * Calculate euclidean distance in multidimensional space\r\n *\r\n * @param {Array} p\r\n * @param {Array} q\r\n * @returns {number}\r\n * @access protected\r\n */\r\nDBSCAN.prototype._euclideanDistance = function(p, q) {\r\n var sum = 0;\r\n var i = Math.min(p.length, q.length);\r\n\r\n while (i--) {\r\n sum += (p[i] - q[i]) * (p[i] - q[i]);\r\n }\r\n\r\n return Math.sqrt(sum);\r\n};\r\n\r\nif (typeof module !== 'undefined' && module.exports) {\r\n module.exports = DBSCAN;\r\n}\r\n","/**\r\n * KMEANS clustering\r\n *\r\n * @author Lukasz Krawczyk \r\n * @copyright MIT\r\n */\r\n\r\n/**\r\n * KMEANS class constructor\r\n * @constructor\r\n *\r\n * @param {Array} dataset\r\n * @param {number} k - number of clusters\r\n * @param {function} distance - distance function\r\n * @returns {KMEANS}\r\n */\r\n function KMEANS(dataset, k, distance) {\r\n this.k = 3; // number of clusters\r\n this.dataset = []; // set of feature vectors\r\n this.assignments = []; // set of associated clusters for each feature vector\r\n this.centroids = []; // vectors for our clusters\r\n\r\n this.init(dataset, k, distance);\r\n}\r\n\r\n/**\r\n * @returns {undefined}\r\n */\r\nKMEANS.prototype.init = function(dataset, k, distance) {\r\n this.assignments = [];\r\n this.centroids = [];\r\n\r\n if (typeof dataset !== 'undefined') {\r\n this.dataset = dataset;\r\n }\r\n\r\n if (typeof k !== 'undefined') {\r\n this.k = k;\r\n }\r\n\r\n if (typeof distance !== 'undefined') {\r\n this.distance = distance;\r\n }\r\n};\r\n\r\n/**\r\n * @returns {undefined}\r\n */\r\nKMEANS.prototype.run = function(dataset, k) {\r\n this.init(dataset, k);\r\n\r\n var len = this.dataset.length;\r\n\r\n // initialize centroids\r\n for (var i = 0; i < this.k; i++) {\r\n this.centroids[i] = this.randomCentroid();\r\n\t}\r\n\r\n var change = true;\r\n while(change) {\r\n\r\n // assign feature vectors to clusters\r\n change = this.assign();\r\n\r\n // adjust location of centroids\r\n for (var centroidId = 0; centroidId < this.k; centroidId++) {\r\n var mean = new Array(maxDim);\r\n var count = 0;\r\n\r\n // init mean vector\r\n for (var dim = 0; dim < maxDim; dim++) {\r\n mean[dim] = 0;\r\n }\r\n\r\n for (var j = 0; j < len; j++) {\r\n var maxDim = this.dataset[j].length;\r\n\r\n // if current cluster id is assigned to point\r\n if (centroidId === this.assignments[j]) {\r\n for (var dim = 0; dim < maxDim; dim++) {\r\n mean[dim] += this.dataset[j][dim];\r\n }\r\n count++;\r\n }\r\n }\r\n\r\n if (count > 0) {\r\n // if cluster contain points, adjust centroid position\r\n for (var dim = 0; dim < maxDim; dim++) {\r\n mean[dim] /= count;\r\n }\r\n this.centroids[centroidId] = mean;\r\n } else {\r\n // if cluster is empty, generate new random centroid\r\n this.centroids[centroidId] = this.randomCentroid();\r\n change = true;\r\n }\r\n }\r\n }\r\n\r\n return this.getClusters();\r\n};\r\n\r\n/**\r\n * Generate random centroid\r\n *\r\n * @returns {Array}\r\n */\r\nKMEANS.prototype.randomCentroid = function() {\r\n var maxId = this.dataset.length -1;\r\n var centroid;\r\n var id;\r\n\r\n do {\r\n id = Math.round(Math.random() * maxId);\r\n centroid = this.dataset[id];\r\n } while (this.centroids.indexOf(centroid) >= 0);\r\n\r\n return centroid;\r\n}\r\n\r\n/**\r\n * Assign points to clusters\r\n *\r\n * @returns {boolean}\r\n */\r\nKMEANS.prototype.assign = function() {\r\n var change = false;\r\n var len = this.dataset.length;\r\n var closestCentroid;\r\n\r\n for (var i = 0; i < len; i++) {\r\n closestCentroid = this.argmin(this.dataset[i], this.centroids, this.distance);\r\n\r\n if (closestCentroid != this.assignments[i]) {\r\n this.assignments[i] = closestCentroid;\r\n change = true;\r\n }\r\n }\r\n\r\n return change;\r\n}\r\n\r\n/**\r\n * Extract information about clusters\r\n *\r\n * @returns {undefined}\r\n */\r\nKMEANS.prototype.getClusters = function() {\r\n var clusters = new Array(this.k);\r\n var centroidId;\r\n\r\n for (var pointId = 0; pointId < this.assignments.length; pointId++) {\r\n centroidId = this.assignments[pointId];\r\n\r\n // init empty cluster\r\n if (typeof clusters[centroidId] === 'undefined') {\r\n clusters[centroidId] = [];\r\n }\r\n\r\n clusters[centroidId].push(pointId);\r\n }\r\n\r\n return clusters;\r\n};\r\n\r\n// utils\r\n\r\n/**\r\n * @params {Array} point\r\n * @params {Array.} set\r\n * @params {Function} f\r\n * @returns {number}\r\n */\r\nKMEANS.prototype.argmin = function(point, set, f) {\r\n var min = Number.MAX_VALUE;\r\n var arg = 0;\r\n var len = set.length;\r\n var d;\r\n\r\n for (var i = 0; i < len; i++) {\r\n d = f(point, set[i]);\r\n if (d < min) {\r\n min = d;\r\n arg = i;\r\n }\r\n }\r\n\r\n return arg;\r\n};\r\n\r\n/**\r\n * Euclidean distance\r\n *\r\n * @params {number} p\r\n * @params {number} q\r\n * @returns {number}\r\n */\r\nKMEANS.prototype.distance = function(p, q) {\r\n var sum = 0;\r\n var i = Math.min(p.length, q.length);\r\n\r\n while (i--) {\r\n var diff = p[i] - q[i];\r\n sum += diff * diff;\r\n }\r\n\r\n return Math.sqrt(sum);\r\n};\r\n\r\nif (typeof module !== 'undefined' && module.exports) {\r\n module.exports = KMEANS;\r\n}\r\n","\r\n/**\r\n * @requires ./PriorityQueue.js\r\n */\r\n\r\nif (typeof module !== 'undefined' && module.exports) {\r\n var PriorityQueue = require('./PriorityQueue.js');\r\n}\r\n\r\n/**\r\n * OPTICS - Ordering points to identify the clustering structure\r\n *\r\n * @author Lukasz Krawczyk \r\n * @copyright MIT\r\n */\r\n\r\n/**\r\n * OPTICS class constructor\r\n * @constructor\r\n *\r\n * @param {Array} dataset\r\n * @param {number} epsilon\r\n * @param {number} minPts\r\n * @param {function} distanceFunction\r\n * @returns {OPTICS}\r\n */\r\nfunction OPTICS(dataset, epsilon, minPts, distanceFunction) {\r\n /** @type {number} */\r\n this.epsilon = 1;\r\n /** @type {number} */\r\n this.minPts = 1;\r\n /** @type {function} */\r\n this.distance = this._euclideanDistance;\r\n\r\n // temporary variables used during computation\r\n\r\n /** @type {Array} */\r\n this._reachability = [];\r\n /** @type {Array} */\r\n this._processed = [];\r\n /** @type {number} */\r\n this._coreDistance = 0;\r\n /** @type {Array} */\r\n this._orderedList = [];\r\n\r\n this._init(dataset, epsilon, minPts, distanceFunction);\r\n}\r\n\r\n/******************************************************************************/\r\n// pulic functions\r\n\r\n/**\r\n * Start clustering\r\n *\r\n * @param {Array} dataset\r\n * @returns {undefined}\r\n * @access public\r\n */\r\nOPTICS.prototype.run = function(dataset, epsilon, minPts, distanceFunction) {\r\n this._init(dataset, epsilon, minPts, distanceFunction);\r\n\r\n for (var pointId = 0, l = this.dataset.length; pointId < l; pointId++) {\r\n if (this._processed[pointId] !== 1) {\r\n this._processed[pointId] = 1;\r\n this.clusters.push([pointId]);\r\n var clusterId = this.clusters.length - 1;\r\n\r\n this._orderedList.push(pointId);\r\n var priorityQueue = new PriorityQueue(null, null, 'asc');\r\n var neighbors = this._regionQuery(pointId);\r\n\r\n // using priority queue assign elements to new cluster\r\n if (this._distanceToCore(pointId) !== undefined) {\r\n this._updateQueue(pointId, neighbors, priorityQueue);\r\n this._expandCluster(clusterId, priorityQueue);\r\n }\r\n }\r\n }\r\n\r\n return this.clusters;\r\n};\r\n\r\n/**\r\n * Generate reachability plot for all points\r\n *\r\n * @returns {array}\r\n * @access public\r\n */\r\nOPTICS.prototype.getReachabilityPlot = function() {\r\n var reachabilityPlot = [];\r\n\r\n for (var i = 0, l = this._orderedList.length; i < l; i++) {\r\n var pointId = this._orderedList[i];\r\n var distance = this._reachability[pointId];\r\n\r\n reachabilityPlot.push([pointId, distance]);\r\n }\r\n\r\n return reachabilityPlot;\r\n};\r\n\r\n/******************************************************************************/\r\n// protected functions\r\n\r\n/**\r\n * Set object properties\r\n *\r\n * @param {Array} dataset\r\n * @param {number} epsilon\r\n * @param {number} minPts\r\n * @param {function} distance\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nOPTICS.prototype._init = function(dataset, epsilon, minPts, distance) {\r\n\r\n if (dataset) {\r\n\r\n if (!(dataset instanceof Array)) {\r\n throw Error('Dataset must be of type array, ' +\r\n typeof dataset + ' given');\r\n }\r\n\r\n this.dataset = dataset;\r\n this.clusters = [];\r\n this._reachability = new Array(this.dataset.length);\r\n this._processed = new Array(this.dataset.length);\r\n this._coreDistance = 0;\r\n this._orderedList = [];\r\n }\r\n\r\n if (epsilon) {\r\n this.epsilon = epsilon;\r\n }\r\n\r\n if (minPts) {\r\n this.minPts = minPts;\r\n }\r\n\r\n if (distance) {\r\n this.distance = distance;\r\n }\r\n};\r\n\r\n/**\r\n * Update information in queue\r\n *\r\n * @param {number} pointId\r\n * @param {Array} neighbors\r\n * @param {PriorityQueue} queue\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nOPTICS.prototype._updateQueue = function(pointId, neighbors, queue) {\r\n var self = this;\r\n\r\n this._coreDistance = this._distanceToCore(pointId);\r\n neighbors.forEach(function(pointId2) {\r\n if (self._processed[pointId2] === undefined) {\r\n var dist = self.distance(self.dataset[pointId], self.dataset[pointId2]);\r\n var newReachableDistance = Math.max(self._coreDistance, dist);\r\n\r\n if (self._reachability[pointId2] === undefined) {\r\n self._reachability[pointId2] = newReachableDistance;\r\n queue.insert(pointId2, newReachableDistance);\r\n } else {\r\n if (newReachableDistance < self._reachability[pointId2]) {\r\n self._reachability[pointId2] = newReachableDistance;\r\n queue.remove(pointId2);\r\n queue.insert(pointId2, newReachableDistance);\r\n }\r\n }\r\n }\r\n });\r\n};\r\n\r\n/**\r\n * Expand cluster\r\n *\r\n * @param {number} clusterId\r\n * @param {PriorityQueue} queue\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nOPTICS.prototype._expandCluster = function(clusterId, queue) {\r\n var queueElements = queue.getElements();\r\n\r\n for (var p = 0, l = queueElements.length; p < l; p++) {\r\n var pointId = queueElements[p];\r\n if (this._processed[pointId] === undefined) {\r\n var neighbors = this._regionQuery(pointId);\r\n this._processed[pointId] = 1;\r\n\r\n this.clusters[clusterId].push(pointId);\r\n this._orderedList.push(pointId);\r\n\r\n if (this._distanceToCore(pointId) !== undefined) {\r\n this._updateQueue(pointId, neighbors, queue);\r\n this._expandCluster(clusterId, queue);\r\n }\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * Calculating distance to cluster core\r\n *\r\n * @param {number} pointId\r\n * @returns {number}\r\n * @access protected\r\n */\r\nOPTICS.prototype._distanceToCore = function(pointId) {\r\n var l = this.epsilon;\r\n for (var coreDistCand = 0; coreDistCand < l; coreDistCand++) {\r\n var neighbors = this._regionQuery(pointId, coreDistCand);\r\n if (neighbors.length >= this.minPts) {\r\n return coreDistCand;\r\n }\r\n }\r\n\r\n return;\r\n};\r\n\r\n/**\r\n * Find all neighbors around given point\r\n *\r\n * @param {number} pointId\r\n * @param {number} epsilon\r\n * @returns {Array}\r\n * @access protected\r\n */\r\nOPTICS.prototype._regionQuery = function(pointId, epsilon) {\r\n epsilon = epsilon || this.epsilon;\r\n var neighbors = [];\r\n\r\n for (var id = 0, l = this.dataset.length; id < l; id++) {\r\n if (this.distance(this.dataset[pointId], this.dataset[id]) < epsilon) {\r\n neighbors.push(id);\r\n }\r\n }\r\n\r\n return neighbors;\r\n};\r\n\r\n/******************************************************************************/\r\n// helpers\r\n\r\n/**\r\n * Calculate euclidean distance in multidimensional space\r\n *\r\n * @param {Array} p\r\n * @param {Array} q\r\n * @returns {number}\r\n * @access protected\r\n */\r\nOPTICS.prototype._euclideanDistance = function(p, q) {\r\n var sum = 0;\r\n var i = Math.min(p.length, q.length);\r\n\r\n while (i--) {\r\n sum += (p[i] - q[i]) * (p[i] - q[i]);\r\n }\r\n\r\n return Math.sqrt(sum);\r\n};\r\n\r\nif (typeof module !== 'undefined' && module.exports) {\r\n module.exports = OPTICS;\r\n}\r\n","/**\r\n * PriorityQueue\r\n * Elements in this queue are sorted according to their value\r\n *\r\n * @author Lukasz Krawczyk \r\n * @copyright MIT\r\n */\r\n\r\n/**\r\n * PriorityQueue class construcotr\r\n * @constructor\r\n *\r\n * @example\r\n * queue: [1,2,3,4]\r\n * priorities: [4,1,2,3]\r\n * > result = [1,4,2,3]\r\n *\r\n * @param {Array} elements\r\n * @param {Array} priorities\r\n * @param {string} sorting - asc / desc\r\n * @returns {PriorityQueue}\r\n */\r\nfunction PriorityQueue(elements, priorities, sorting) {\r\n /** @type {Array} */\r\n this._queue = [];\r\n /** @type {Array} */\r\n this._priorities = [];\r\n /** @type {string} */\r\n this._sorting = 'desc';\r\n\r\n this._init(elements, priorities, sorting);\r\n};\r\n\r\n/**\r\n * Insert element\r\n *\r\n * @param {Object} ele\r\n * @param {Object} priority\r\n * @returns {undefined}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.insert = function(ele, priority) {\r\n var indexToInsert = this._queue.length;\r\n var index = indexToInsert;\r\n\r\n while (index--) {\r\n var priority2 = this._priorities[index];\r\n if (this._sorting === 'desc') {\r\n if (priority > priority2) {\r\n indexToInsert = index;\r\n }\r\n } else {\r\n if (priority < priority2) {\r\n indexToInsert = index;\r\n }\r\n }\r\n }\r\n\r\n this._insertAt(ele, priority, indexToInsert);\r\n};\r\n\r\n/**\r\n * Remove element\r\n *\r\n * @param {Object} ele\r\n * @returns {undefined}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.remove = function(ele) {\r\n var index = this._queue.length;\r\n\r\n while (index--) {\r\n var ele2 = this._queue[index];\r\n if (ele === ele2) {\r\n this._queue.splice(index, 1);\r\n this._priorities.splice(index, 1);\r\n break;\r\n }\r\n }\r\n};\r\n\r\n/**\r\n * For each loop wrapper\r\n *\r\n * @param {function} func\r\n * @returs {undefined}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.forEach = function(func) {\r\n this._queue.forEach(func);\r\n};\r\n\r\n/**\r\n * @returns {Array}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.getElements = function() {\r\n return this._queue;\r\n};\r\n\r\n/**\r\n * @param {number} index\r\n * @returns {Object}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.getElementPriority = function(index) {\r\n return this._priorities[index];\r\n};\r\n\r\n/**\r\n * @returns {Array}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.getPriorities = function() {\r\n return this._priorities;\r\n};\r\n\r\n/**\r\n * @returns {Array}\r\n * @access public\r\n */\r\nPriorityQueue.prototype.getElementsWithPriorities = function() {\r\n var result = [];\r\n\r\n for (var i = 0, l = this._queue.length; i < l; i++) {\r\n result.push([this._queue[i], this._priorities[i]]);\r\n }\r\n\r\n return result;\r\n};\r\n\r\n/**\r\n * Set object properties\r\n *\r\n * @param {Array} elements\r\n * @param {Array} priorities\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nPriorityQueue.prototype._init = function(elements, priorities, sorting) {\r\n\r\n if (elements && priorities) {\r\n this._queue = [];\r\n this._priorities = [];\r\n\r\n if (elements.length !== priorities.length) {\r\n throw new Error('Arrays must have the same length');\r\n }\r\n\r\n for (var i = 0; i < elements.length; i++) {\r\n this.insert(elements[i], priorities[i]);\r\n }\r\n }\r\n\r\n if (sorting) {\r\n this._sorting = sorting;\r\n }\r\n};\r\n\r\n/**\r\n * Insert element at given position\r\n *\r\n * @param {Object} ele\r\n * @param {number} index\r\n * @returns {undefined}\r\n * @access protected\r\n */\r\nPriorityQueue.prototype._insertAt = function(ele, priority, index) {\r\n if (this._queue.length === index) {\r\n this._queue.push(ele);\r\n this._priorities.push(priority);\r\n } else {\r\n this._queue.splice(index, 0, ele);\r\n this._priorities.splice(index, 0, priority);\r\n }\r\n};\r\n\r\nif (typeof module !== 'undefined' && module.exports) {\r\n module.exports = PriorityQueue;\r\n}\r\n","\r\nif (typeof module !== 'undefined' && module.exports) {\r\n module.exports = {\r\n DBSCAN: require('./DBSCAN.js'),\r\n KMEANS: require('./KMEANS.js'),\r\n OPTICS: require('./OPTICS.js'),\r\n PriorityQueue: require('./PriorityQueue.js')\r\n };\r\n}\r\n","'use strict';\n\nmodule.exports = earcut;\nmodule.exports.default = earcut;\n\nfunction earcut(data, holeIndices, dim) {\n\n dim = dim || 2;\n\n var hasHoles = holeIndices && holeIndices.length,\n outerLen = hasHoles ? holeIndices[0] * dim : data.length,\n outerNode = linkedList(data, 0, outerLen, dim, true),\n triangles = [];\n\n if (!outerNode || outerNode.next === outerNode.prev) return triangles;\n\n var minX, minY, maxX, maxY, x, y, invSize;\n\n if (hasHoles) outerNode = eliminateHoles(data, holeIndices, outerNode, dim);\n\n // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n if (data.length > 80 * dim) {\n minX = maxX = data[0];\n minY = maxY = data[1];\n\n for (var i = dim; i < outerLen; i += dim) {\n x = data[i];\n y = data[i + 1];\n if (x < minX) minX = x;\n if (y < minY) minY = y;\n if (x > maxX) maxX = x;\n if (y > maxY) maxY = y;\n }\n\n // minX, minY and invSize are later used to transform coords into integers for z-order calculation\n invSize = Math.max(maxX - minX, maxY - minY);\n invSize = invSize !== 0 ? 32767 / invSize : 0;\n }\n\n earcutLinked(outerNode, triangles, dim, minX, minY, invSize, 0);\n\n return triangles;\n}\n\n// create a circular doubly linked list from polygon points in the specified winding order\nfunction linkedList(data, start, end, dim, clockwise) {\n var i, last;\n\n if (clockwise === (signedArea(data, start, end, dim) > 0)) {\n for (i = start; i < end; i += dim) last = insertNode(i, data[i], data[i + 1], last);\n } else {\n for (i = end - dim; i >= start; i -= dim) last = insertNode(i, data[i], data[i + 1], last);\n }\n\n if (last && equals(last, last.next)) {\n removeNode(last);\n last = last.next;\n }\n\n return last;\n}\n\n// eliminate colinear or duplicate points\nfunction filterPoints(start, end) {\n if (!start) return start;\n if (!end) end = start;\n\n var p = start,\n again;\n do {\n again = false;\n\n if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) {\n removeNode(p);\n p = end = p.prev;\n if (p === p.next) break;\n again = true;\n\n } else {\n p = p.next;\n }\n } while (again || p !== end);\n\n return end;\n}\n\n// main ear slicing loop which triangulates a polygon (given as a linked list)\nfunction earcutLinked(ear, triangles, dim, minX, minY, invSize, pass) {\n if (!ear) return;\n\n // interlink polygon nodes in z-order\n if (!pass && invSize) indexCurve(ear, minX, minY, invSize);\n\n var stop = ear,\n prev, next;\n\n // iterate through ears, slicing them one by one\n while (ear.prev !== ear.next) {\n prev = ear.prev;\n next = ear.next;\n\n if (invSize ? isEarHashed(ear, minX, minY, invSize) : isEar(ear)) {\n // cut off the triangle\n triangles.push(prev.i / dim | 0);\n triangles.push(ear.i / dim | 0);\n triangles.push(next.i / dim | 0);\n\n removeNode(ear);\n\n // skipping the next vertex leads to less sliver triangles\n ear = next.next;\n stop = next.next;\n\n continue;\n }\n\n ear = next;\n\n // if we looped through the whole remaining polygon and can't find any more ears\n if (ear === stop) {\n // try filtering points and slicing again\n if (!pass) {\n earcutLinked(filterPoints(ear), triangles, dim, minX, minY, invSize, 1);\n\n // if this didn't work, try curing all small self-intersections locally\n } else if (pass === 1) {\n ear = cureLocalIntersections(filterPoints(ear), triangles, dim);\n earcutLinked(ear, triangles, dim, minX, minY, invSize, 2);\n\n // as a last resort, try splitting the remaining polygon into two\n } else if (pass === 2) {\n splitEarcut(ear, triangles, dim, minX, minY, invSize);\n }\n\n break;\n }\n }\n}\n\n// check whether a polygon node forms a valid ear with adjacent nodes\nfunction isEar(ear) {\n var a = ear.prev,\n b = ear,\n c = ear.next;\n\n if (area(a, b, c) >= 0) return false; // reflex, can't be an ear\n\n // now make sure we don't have other points inside the potential ear\n var ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n // triangle bbox; min & max are calculated like this for speed\n var x0 = ax < bx ? (ax < cx ? ax : cx) : (bx < cx ? bx : cx),\n y0 = ay < by ? (ay < cy ? ay : cy) : (by < cy ? by : cy),\n x1 = ax > bx ? (ax > cx ? ax : cx) : (bx > cx ? bx : cx),\n y1 = ay > by ? (ay > cy ? ay : cy) : (by > cy ? by : cy);\n\n var p = c.next;\n while (p !== a) {\n if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 &&\n pointInTriangle(ax, ay, bx, by, cx, cy, p.x, p.y) &&\n area(p.prev, p, p.next) >= 0) return false;\n p = p.next;\n }\n\n return true;\n}\n\nfunction isEarHashed(ear, minX, minY, invSize) {\n var a = ear.prev,\n b = ear,\n c = ear.next;\n\n if (area(a, b, c) >= 0) return false; // reflex, can't be an ear\n\n var ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y;\n\n // triangle bbox; min & max are calculated like this for speed\n var x0 = ax < bx ? (ax < cx ? ax : cx) : (bx < cx ? bx : cx),\n y0 = ay < by ? (ay < cy ? ay : cy) : (by < cy ? by : cy),\n x1 = ax > bx ? (ax > cx ? ax : cx) : (bx > cx ? bx : cx),\n y1 = ay > by ? (ay > cy ? ay : cy) : (by > cy ? by : cy);\n\n // z-order range for the current triangle bbox;\n var minZ = zOrder(x0, y0, minX, minY, invSize),\n maxZ = zOrder(x1, y1, minX, minY, invSize);\n\n var p = ear.prevZ,\n n = ear.nextZ;\n\n // look for points inside the triangle in both directions\n while (p && p.z >= minZ && n && n.z <= maxZ) {\n if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n pointInTriangle(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n p = p.prevZ;\n\n if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n pointInTriangle(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false;\n n = n.nextZ;\n }\n\n // look for remaining points in decreasing z-order\n while (p && p.z >= minZ) {\n if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c &&\n pointInTriangle(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n p = p.prevZ;\n }\n\n // look for remaining points in increasing z-order\n while (n && n.z <= maxZ) {\n if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c &&\n pointInTriangle(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false;\n n = n.nextZ;\n }\n\n return true;\n}\n\n// go through all polygon nodes and cure small local self-intersections\nfunction cureLocalIntersections(start, triangles, dim) {\n var p = start;\n do {\n var a = p.prev,\n b = p.next.next;\n\n if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) {\n\n triangles.push(a.i / dim | 0);\n triangles.push(p.i / dim | 0);\n triangles.push(b.i / dim | 0);\n\n // remove two nodes involved\n removeNode(p);\n removeNode(p.next);\n\n p = start = b;\n }\n p = p.next;\n } while (p !== start);\n\n return filterPoints(p);\n}\n\n// try splitting polygon into two and triangulate them independently\nfunction splitEarcut(start, triangles, dim, minX, minY, invSize) {\n // look for a valid diagonal that divides the polygon into two\n var a = start;\n do {\n var b = a.next.next;\n while (b !== a.prev) {\n if (a.i !== b.i && isValidDiagonal(a, b)) {\n // split the polygon in two by the diagonal\n var c = splitPolygon(a, b);\n\n // filter colinear points around the cuts\n a = filterPoints(a, a.next);\n c = filterPoints(c, c.next);\n\n // run earcut on each half\n earcutLinked(a, triangles, dim, minX, minY, invSize, 0);\n earcutLinked(c, triangles, dim, minX, minY, invSize, 0);\n return;\n }\n b = b.next;\n }\n a = a.next;\n } while (a !== start);\n}\n\n// link every hole into the outer loop, producing a single-ring polygon without holes\nfunction eliminateHoles(data, holeIndices, outerNode, dim) {\n var queue = [],\n i, len, start, end, list;\n\n for (i = 0, len = holeIndices.length; i < len; i++) {\n start = holeIndices[i] * dim;\n end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;\n list = linkedList(data, start, end, dim, false);\n if (list === list.next) list.steiner = true;\n queue.push(getLeftmost(list));\n }\n\n queue.sort(compareX);\n\n // process holes from left to right\n for (i = 0; i < queue.length; i++) {\n outerNode = eliminateHole(queue[i], outerNode);\n }\n\n return outerNode;\n}\n\nfunction compareX(a, b) {\n return a.x - b.x;\n}\n\n// find a bridge between vertices that connects hole with an outer ring and and link it\nfunction eliminateHole(hole, outerNode) {\n var bridge = findHoleBridge(hole, outerNode);\n if (!bridge) {\n return outerNode;\n }\n\n var bridgeReverse = splitPolygon(bridge, hole);\n\n // filter collinear points around the cuts\n filterPoints(bridgeReverse, bridgeReverse.next);\n return filterPoints(bridge, bridge.next);\n}\n\n// David Eberly's algorithm for finding a bridge between hole and outer polygon\nfunction findHoleBridge(hole, outerNode) {\n var p = outerNode,\n hx = hole.x,\n hy = hole.y,\n qx = -Infinity,\n m;\n\n // find a segment intersected by a ray from the hole's leftmost point to the left;\n // segment's endpoint with lesser x will be potential connection point\n do {\n if (hy <= p.y && hy >= p.next.y && p.next.y !== p.y) {\n var x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y);\n if (x <= hx && x > qx) {\n qx = x;\n m = p.x < p.next.x ? p : p.next;\n if (x === hx) return m; // hole touches outer segment; pick leftmost endpoint\n }\n }\n p = p.next;\n } while (p !== outerNode);\n\n if (!m) return null;\n\n // look for points inside the triangle of hole point, segment intersection and endpoint;\n // if there are no points found, we have a valid connection;\n // otherwise choose the point of the minimum angle with the ray as connection point\n\n var stop = m,\n mx = m.x,\n my = m.y,\n tanMin = Infinity,\n tan;\n\n p = m;\n\n do {\n if (hx >= p.x && p.x >= mx && hx !== p.x &&\n pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) {\n\n tan = Math.abs(hy - p.y) / (hx - p.x); // tangential\n\n if (locallyInside(p, hole) &&\n (tan < tanMin || (tan === tanMin && (p.x > m.x || (p.x === m.x && sectorContainsSector(m, p)))))) {\n m = p;\n tanMin = tan;\n }\n }\n\n p = p.next;\n } while (p !== stop);\n\n return m;\n}\n\n// whether sector in vertex m contains sector in vertex p in the same coordinates\nfunction sectorContainsSector(m, p) {\n return area(m.prev, m, p.prev) < 0 && area(p.next, m, m.next) < 0;\n}\n\n// interlink polygon nodes in z-order\nfunction indexCurve(start, minX, minY, invSize) {\n var p = start;\n do {\n if (p.z === 0) p.z = zOrder(p.x, p.y, minX, minY, invSize);\n p.prevZ = p.prev;\n p.nextZ = p.next;\n p = p.next;\n } while (p !== start);\n\n p.prevZ.nextZ = null;\n p.prevZ = null;\n\n sortLinked(p);\n}\n\n// Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\nfunction sortLinked(list) {\n var i, p, q, e, tail, numMerges, pSize, qSize,\n inSize = 1;\n\n do {\n p = list;\n list = null;\n tail = null;\n numMerges = 0;\n\n while (p) {\n numMerges++;\n q = p;\n pSize = 0;\n for (i = 0; i < inSize; i++) {\n pSize++;\n q = q.nextZ;\n if (!q) break;\n }\n qSize = inSize;\n\n while (pSize > 0 || (qSize > 0 && q)) {\n\n if (pSize !== 0 && (qSize === 0 || !q || p.z <= q.z)) {\n e = p;\n p = p.nextZ;\n pSize--;\n } else {\n e = q;\n q = q.nextZ;\n qSize--;\n }\n\n if (tail) tail.nextZ = e;\n else list = e;\n\n e.prevZ = tail;\n tail = e;\n }\n\n p = q;\n }\n\n tail.nextZ = null;\n inSize *= 2;\n\n } while (numMerges > 1);\n\n return list;\n}\n\n// z-order of a point given coords and inverse of the longer side of data bbox\nfunction zOrder(x, y, minX, minY, invSize) {\n // coords are transformed into non-negative 15-bit integer range\n x = (x - minX) * invSize | 0;\n y = (y - minY) * invSize | 0;\n\n x = (x | (x << 8)) & 0x00FF00FF;\n x = (x | (x << 4)) & 0x0F0F0F0F;\n x = (x | (x << 2)) & 0x33333333;\n x = (x | (x << 1)) & 0x55555555;\n\n y = (y | (y << 8)) & 0x00FF00FF;\n y = (y | (y << 4)) & 0x0F0F0F0F;\n y = (y | (y << 2)) & 0x33333333;\n y = (y | (y << 1)) & 0x55555555;\n\n return x | (y << 1);\n}\n\n// find the leftmost node of a polygon ring\nfunction getLeftmost(start) {\n var p = start,\n leftmost = start;\n do {\n if (p.x < leftmost.x || (p.x === leftmost.x && p.y < leftmost.y)) leftmost = p;\n p = p.next;\n } while (p !== start);\n\n return leftmost;\n}\n\n// check if a point lies within a convex triangle\nfunction pointInTriangle(ax, ay, bx, by, cx, cy, px, py) {\n return (cx - px) * (ay - py) >= (ax - px) * (cy - py) &&\n (ax - px) * (by - py) >= (bx - px) * (ay - py) &&\n (bx - px) * (cy - py) >= (cx - px) * (by - py);\n}\n\n// check if a diagonal between two polygon nodes is valid (lies in polygon interior)\nfunction isValidDiagonal(a, b) {\n return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && // dones't intersect other edges\n (locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b) && // locally visible\n (area(a.prev, a, b.prev) || area(a, b.prev, b)) || // does not create opposite-facing sectors\n equals(a, b) && area(a.prev, a, a.next) > 0 && area(b.prev, b, b.next) > 0); // special zero-length case\n}\n\n// signed area of a triangle\nfunction area(p, q, r) {\n return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y);\n}\n\n// check if two points are equal\nfunction equals(p1, p2) {\n return p1.x === p2.x && p1.y === p2.y;\n}\n\n// check if two segments intersect\nfunction intersects(p1, q1, p2, q2) {\n var o1 = sign(area(p1, q1, p2));\n var o2 = sign(area(p1, q1, q2));\n var o3 = sign(area(p2, q2, p1));\n var o4 = sign(area(p2, q2, q1));\n\n if (o1 !== o2 && o3 !== o4) return true; // general case\n\n if (o1 === 0 && onSegment(p1, p2, q1)) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1\n if (o2 === 0 && onSegment(p1, q2, q1)) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1\n if (o3 === 0 && onSegment(p2, p1, q2)) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2\n if (o4 === 0 && onSegment(p2, q1, q2)) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2\n\n return false;\n}\n\n// for collinear points p, q, r, check if point q lies on segment pr\nfunction onSegment(p, q, r) {\n return q.x <= Math.max(p.x, r.x) && q.x >= Math.min(p.x, r.x) && q.y <= Math.max(p.y, r.y) && q.y >= Math.min(p.y, r.y);\n}\n\nfunction sign(num) {\n return num > 0 ? 1 : num < 0 ? -1 : 0;\n}\n\n// check if a polygon diagonal intersects any polygon segments\nfunction intersectsPolygon(a, b) {\n var p = a;\n do {\n if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i &&\n intersects(p, p.next, a, b)) return true;\n p = p.next;\n } while (p !== a);\n\n return false;\n}\n\n// check if a polygon diagonal is locally inside the polygon\nfunction locallyInside(a, b) {\n return area(a.prev, a, a.next) < 0 ?\n area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 :\n area(a, b, a.prev) < 0 || area(a, a.next, b) < 0;\n}\n\n// check if the middle point of a polygon diagonal is inside the polygon\nfunction middleInside(a, b) {\n var p = a,\n inside = false,\n px = (a.x + b.x) / 2,\n py = (a.y + b.y) / 2;\n do {\n if (((p.y > py) !== (p.next.y > py)) && p.next.y !== p.y &&\n (px < (p.next.x - p.x) * (py - p.y) / (p.next.y - p.y) + p.x))\n inside = !inside;\n p = p.next;\n } while (p !== a);\n\n return inside;\n}\n\n// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\nfunction splitPolygon(a, b) {\n var a2 = new Node(a.i, a.x, a.y),\n b2 = new Node(b.i, b.x, b.y),\n an = a.next,\n bp = b.prev;\n\n a.next = b;\n b.prev = a;\n\n a2.next = an;\n an.prev = a2;\n\n b2.next = a2;\n a2.prev = b2;\n\n bp.next = b2;\n b2.prev = bp;\n\n return b2;\n}\n\n// create a node and optionally link it with previous one (in a circular doubly linked list)\nfunction insertNode(i, x, y, last) {\n var p = new Node(i, x, y);\n\n if (!last) {\n p.prev = p;\n p.next = p;\n\n } else {\n p.next = last.next;\n p.prev = last;\n last.next.prev = p;\n last.next = p;\n }\n return p;\n}\n\nfunction removeNode(p) {\n p.next.prev = p.prev;\n p.prev.next = p.next;\n\n if (p.prevZ) p.prevZ.nextZ = p.nextZ;\n if (p.nextZ) p.nextZ.prevZ = p.prevZ;\n}\n\nfunction Node(i, x, y) {\n // vertex index in coordinates array\n this.i = i;\n\n // vertex coordinates\n this.x = x;\n this.y = y;\n\n // previous and next vertex nodes in a polygon ring\n this.prev = null;\n this.next = null;\n\n // z-order curve value\n this.z = 0;\n\n // previous and next nodes in z-order\n this.prevZ = null;\n this.nextZ = null;\n\n // indicates whether this is a steiner point\n this.steiner = false;\n}\n\n// return a percentage difference between the polygon area and its triangulation area;\n// used to verify correctness of triangulation\nearcut.deviation = function (data, holeIndices, dim, triangles) {\n var hasHoles = holeIndices && holeIndices.length;\n var outerLen = hasHoles ? holeIndices[0] * dim : data.length;\n\n var polygonArea = Math.abs(signedArea(data, 0, outerLen, dim));\n if (hasHoles) {\n for (var i = 0, len = holeIndices.length; i < len; i++) {\n var start = holeIndices[i] * dim;\n var end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;\n polygonArea -= Math.abs(signedArea(data, start, end, dim));\n }\n }\n\n var trianglesArea = 0;\n for (i = 0; i < triangles.length; i += 3) {\n var a = triangles[i] * dim;\n var b = triangles[i + 1] * dim;\n var c = triangles[i + 2] * dim;\n trianglesArea += Math.abs(\n (data[a] - data[c]) * (data[b + 1] - data[a + 1]) -\n (data[a] - data[b]) * (data[c + 1] - data[a + 1]));\n }\n\n return polygonArea === 0 && trianglesArea === 0 ? 0 :\n Math.abs((trianglesArea - polygonArea) / polygonArea);\n};\n\nfunction signedArea(data, start, end, dim) {\n var sum = 0;\n for (var i = start, j = end - dim; i < end; i += dim) {\n sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]);\n j = i;\n }\n return sum;\n}\n\n// turn a polygon in a multi-dimensional array form (e.g. as in GeoJSON) into a form Earcut accepts\nearcut.flatten = function (data) {\n var dim = data[0][0].length,\n result = {vertices: [], holes: [], dimensions: dim},\n holeIndex = 0;\n\n for (var i = 0; i < data.length; i++) {\n for (var j = 0; j < data[i].length; j++) {\n for (var d = 0; d < dim; d++) result.vertices.push(data[i][j][d]);\n }\n if (i > 0) {\n holeIndex += data[i - 1].length;\n result.holes.push(holeIndex);\n }\n }\n return result;\n};\n","'use strict';\n\nvar GetIntrinsic = require('get-intrinsic');\n\n/** @type {import('.')} */\nvar $defineProperty = GetIntrinsic('%Object.defineProperty%', true) || false;\nif ($defineProperty) {\n\ttry {\n\t\t$defineProperty({}, 'a', { value: 1 });\n\t} catch (e) {\n\t\t// IE 8 has a broken defineProperty\n\t\t$defineProperty = false;\n\t}\n}\n\nmodule.exports = $defineProperty;\n","'use strict';\n\n/** @type {import('./eval')} */\nmodule.exports = EvalError;\n","'use strict';\n\n/** @type {import('.')} */\nmodule.exports = Error;\n","'use strict';\n\n/** @type {import('./range')} */\nmodule.exports = RangeError;\n","'use strict';\n\n/** @type {import('./ref')} */\nmodule.exports = ReferenceError;\n","'use strict';\n\n/** @type {import('./syntax')} */\nmodule.exports = SyntaxError;\n","'use strict';\n\n/** @type {import('./type')} */\nmodule.exports = TypeError;\n","'use strict';\n\n/** @type {import('./uri')} */\nmodule.exports = URIError;\n","/*\n* FileSaver.js\n* A saveAs() FileSaver implementation.\n*\n* By Eli Grey, http://eligrey.com\n*\n* License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)\n* source : http://purl.eligrey.com/github/FileSaver.js\n*/\n\n// The one and only way of getting global scope in all environments\n// https://stackoverflow.com/q/3277182/1008999\nvar _global = typeof window === 'object' && window.window === window\n ? window : typeof self === 'object' && self.self === self\n ? self : typeof global === 'object' && global.global === global\n ? global\n : this\n\nfunction bom (blob, opts) {\n if (typeof opts === 'undefined') opts = { autoBom: false }\n else if (typeof opts !== 'object') {\n console.warn('Deprecated: Expected third argument to be a object')\n opts = { autoBom: !opts }\n }\n\n // prepend BOM for UTF-8 XML and text/* types (including HTML)\n // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF\n if (opts.autoBom && /^\\s*(?:text\\/\\S*|application\\/xml|\\S*\\/\\S*\\+xml)\\s*;.*charset\\s*=\\s*utf-8/i.test(blob.type)) {\n return new Blob([String.fromCharCode(0xFEFF), blob], { type: blob.type })\n }\n return blob\n}\n\nfunction download (url, name, opts) {\n var xhr = new XMLHttpRequest()\n xhr.open('GET', url)\n xhr.responseType = 'blob'\n xhr.onload = function () {\n saveAs(xhr.response, name, opts)\n }\n xhr.onerror = function () {\n console.error('could not download file')\n }\n xhr.send()\n}\n\nfunction corsEnabled (url) {\n var xhr = new XMLHttpRequest()\n // use sync to avoid popup blocker\n xhr.open('HEAD', url, false)\n try {\n xhr.send()\n } catch (e) {}\n return xhr.status >= 200 && xhr.status <= 299\n}\n\n// `a.click()` doesn't work for all browsers (#465)\nfunction click (node) {\n try {\n node.dispatchEvent(new MouseEvent('click'))\n } catch (e) {\n var evt = document.createEvent('MouseEvents')\n evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80,\n 20, false, false, false, false, 0, null)\n node.dispatchEvent(evt)\n }\n}\n\n// Detect WebView inside a native macOS app by ruling out all browsers\n// We just need to check for 'Safari' because all other browsers (besides Firefox) include that too\n// https://www.whatismybrowser.com/guides/the-latest-user-agent/macos\nvar isMacOSWebView = _global.navigator && /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent)\n\nvar saveAs = _global.saveAs || (\n // probably in some web worker\n (typeof window !== 'object' || window !== _global)\n ? function saveAs () { /* noop */ }\n\n // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView\n : ('download' in HTMLAnchorElement.prototype && !isMacOSWebView)\n ? function saveAs (blob, name, opts) {\n var URL = _global.URL || _global.webkitURL\n var a = document.createElement('a')\n name = name || blob.name || 'download'\n\n a.download = name\n a.rel = 'noopener' // tabnabbing\n\n // TODO: detect chrome extensions & packaged apps\n // a.target = '_blank'\n\n if (typeof blob === 'string') {\n // Support regular links\n a.href = blob\n if (a.origin !== location.origin) {\n corsEnabled(a.href)\n ? download(blob, name, opts)\n : click(a, a.target = '_blank')\n } else {\n click(a)\n }\n } else {\n // Support blobs\n a.href = URL.createObjectURL(blob)\n setTimeout(function () { URL.revokeObjectURL(a.href) }, 4E4) // 40s\n setTimeout(function () { click(a) }, 0)\n }\n }\n\n // Use msSaveOrOpenBlob as a second approach\n : 'msSaveOrOpenBlob' in navigator\n ? function saveAs (blob, name, opts) {\n name = name || blob.name || 'download'\n\n if (typeof blob === 'string') {\n if (corsEnabled(blob)) {\n download(blob, name, opts)\n } else {\n var a = document.createElement('a')\n a.href = blob\n a.target = '_blank'\n setTimeout(function () { click(a) })\n }\n } else {\n navigator.msSaveOrOpenBlob(bom(blob, opts), name)\n }\n }\n\n // Fallback to using FileReader and a popup\n : function saveAs (blob, name, opts, popup) {\n // Open a popup immediately do go around popup blocker\n // Mostly only available on user interaction and the fileReader is async so...\n popup = popup || open('', '_blank')\n if (popup) {\n popup.document.title =\n popup.document.body.innerText = 'downloading...'\n }\n\n if (typeof blob === 'string') return download(blob, name, opts)\n\n var force = blob.type === 'application/octet-stream'\n var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari\n var isChromeIOS = /CriOS\\/[\\d]+/.test(navigator.userAgent)\n\n if ((isChromeIOS || (force && isSafari) || isMacOSWebView) && typeof FileReader !== 'undefined') {\n // Safari doesn't allow downloading of blob URLs\n var reader = new FileReader()\n reader.onloadend = function () {\n var url = reader.result\n url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;')\n if (popup) popup.location.href = url\n else location = url\n popup = null // reverse-tabnabbing #460\n }\n reader.readAsDataURL(blob)\n } else {\n var URL = _global.URL || _global.webkitURL\n var url = URL.createObjectURL(blob)\n if (popup) popup.location = url\n else location.href = url\n popup = null // reverse-tabnabbing #460\n setTimeout(function () { URL.revokeObjectURL(url) }, 4E4) // 40s\n }\n }\n)\n\n_global.saveAs = saveAs.saveAs = saveAs\n\nif (typeof module !== 'undefined') {\n module.exports = saveAs;\n}\n","'use strict';\n\n/* eslint no-invalid-this: 1 */\n\nvar ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';\nvar toStr = Object.prototype.toString;\nvar max = Math.max;\nvar funcType = '[object Function]';\n\nvar concatty = function concatty(a, b) {\n var arr = [];\n\n for (var i = 0; i < a.length; i += 1) {\n arr[i] = a[i];\n }\n for (var j = 0; j < b.length; j += 1) {\n arr[j + a.length] = b[j];\n }\n\n return arr;\n};\n\nvar slicy = function slicy(arrLike, offset) {\n var arr = [];\n for (var i = offset || 0, j = 0; i < arrLike.length; i += 1, j += 1) {\n arr[j] = arrLike[i];\n }\n return arr;\n};\n\nvar joiny = function (arr, joiner) {\n var str = '';\n for (var i = 0; i < arr.length; i += 1) {\n str += arr[i];\n if (i + 1 < arr.length) {\n str += joiner;\n }\n }\n return str;\n};\n\nmodule.exports = function bind(that) {\n var target = this;\n if (typeof target !== 'function' || toStr.apply(target) !== funcType) {\n throw new TypeError(ERROR_MESSAGE + target);\n }\n var args = slicy(arguments, 1);\n\n var bound;\n var binder = function () {\n if (this instanceof bound) {\n var result = target.apply(\n this,\n concatty(args, arguments)\n );\n if (Object(result) === result) {\n return result;\n }\n return this;\n }\n return target.apply(\n that,\n concatty(args, arguments)\n );\n\n };\n\n var boundLength = max(0, target.length - args.length);\n var boundArgs = [];\n for (var i = 0; i < boundLength; i++) {\n boundArgs[i] = '$' + i;\n }\n\n bound = Function('binder', 'return function (' + joiny(boundArgs, ',') + '){ return binder.apply(this,arguments); }')(binder);\n\n if (target.prototype) {\n var Empty = function Empty() {};\n Empty.prototype = target.prototype;\n bound.prototype = new Empty();\n Empty.prototype = null;\n }\n\n return bound;\n};\n","'use strict';\n\nvar implementation = require('./implementation');\n\nmodule.exports = Function.prototype.bind || implementation;\n","'use strict';\n\nvar functionsHaveNames = function functionsHaveNames() {\n\treturn typeof function f() {}.name === 'string';\n};\n\nvar gOPD = Object.getOwnPropertyDescriptor;\nif (gOPD) {\n\ttry {\n\t\tgOPD([], 'length');\n\t} catch (e) {\n\t\t// IE 8 has a broken gOPD\n\t\tgOPD = null;\n\t}\n}\n\nfunctionsHaveNames.functionsHaveConfigurableNames = function functionsHaveConfigurableNames() {\n\tif (!functionsHaveNames() || !gOPD) {\n\t\treturn false;\n\t}\n\tvar desc = gOPD(function () {}, 'name');\n\treturn !!desc && !!desc.configurable;\n};\n\nvar $bind = Function.prototype.bind;\n\nfunctionsHaveNames.boundFunctionsHaveNames = function boundFunctionsHaveNames() {\n\treturn functionsHaveNames() && typeof $bind === 'function' && function f() {}.bind().name !== '';\n};\n\nmodule.exports = functionsHaveNames;\n","//index.js\nvar deepEqual = require('deep-equal');\n\nvar Equality = function(opt) {\n this.precision = opt && opt.precision ? opt.precision : 17;\n this.direction = opt && opt.direction ? opt.direction : false;\n this.pseudoNode = opt && opt.pseudoNode ? opt.pseudoNode : false;\n this.objectComparator = opt && opt.objectComparator ? opt.objectComparator : objectComparator;\n};\n\nEquality.prototype.compare = function(g1,g2) {\n if (g1.type !== g2.type || !sameLength(g1,g2)) return false;\n\n switch(g1.type) {\n case 'Point':\n return this.compareCoord(g1.coordinates, g2.coordinates);\n break;\n case 'LineString':\n return this.compareLine(g1.coordinates, g2.coordinates,0,false);\n break;\n case 'Polygon':\n return this.comparePolygon(g1,g2);\n break;\n case 'Feature':\n return this.compareFeature(g1, g2);\n default:\n if (g1.type.indexOf('Multi') === 0) {\n var context = this;\n var g1s = explode(g1);\n var g2s = explode(g2);\n return g1s.every(function(g1part) {\n return this.some(function(g2part) {\n return context.compare(g1part,g2part);\n });\n },g2s);\n }\n }\n return false;\n};\n\nfunction explode(g) {\n return g.coordinates.map(function(part) {\n return {\n type: g.type.replace('Multi', ''),\n coordinates: part}\n });\n}\n//compare length of coordinates/array\nfunction sameLength(g1,g2) {\n return g1.hasOwnProperty('coordinates') ?\n g1.coordinates.length === g2.coordinates.length\n : g1.length === g2.length;\n}\n\n// compare the two coordinates [x,y]\nEquality.prototype.compareCoord = function(c1,c2) {\n if (c1.length !== c2.length) {\n return false;\n }\n\n for (var i=0; i < c1.length; i++) {\n if (c1[i].toFixed(this.precision) !== c2[i].toFixed(this.precision)) {\n return false;\n }\n }\n return true;\n};\n\nEquality.prototype.compareLine = function(path1,path2,ind,isPoly) {\n if (!sameLength(path1,path2)) return false;\n var p1 = this.pseudoNode ? path1 : this.removePseudo(path1);\n var p2 = this.pseudoNode ? path2 : this.removePseudo(path2);\n if (isPoly && !this.compareCoord(p1[0],p2[0])) {\n // fix start index of both to same point\n p2 = this.fixStartIndex(p2,p1);\n if(!p2) return;\n }\n // for linestring ind =0 and for polygon ind =1\n var sameDirection = this.compareCoord(p1[ind],p2[ind]);\n if (this.direction || sameDirection\n ) {\n return this.comparePath(p1, p2);\n } else {\n if (this.compareCoord(p1[ind],p2[p2.length - (1+ind)])\n ) {\n return this.comparePath(p1.slice().reverse(), p2);\n }\n return false;\n }\n};\nEquality.prototype.fixStartIndex = function(sourcePath,targetPath) {\n //make sourcePath first point same as of targetPath\n var correctPath,ind = -1;\n for (var i=0; i< sourcePath.length; i++) {\n if(this.compareCoord(sourcePath[i],targetPath[0])) {\n ind = i;\n break;\n }\n }\n if (ind >= 0) {\n correctPath = [].concat(\n sourcePath.slice(ind,sourcePath.length),\n sourcePath.slice(1,ind+1));\n }\n return correctPath;\n};\nEquality.prototype.comparePath = function (p1,p2) {\n var cont = this;\n return p1.every(function(c,i) {\n return cont.compareCoord(c,this[i]);\n },p2);\n};\n\nEquality.prototype.comparePolygon = function(g1,g2) {\n if (this.compareLine(g1.coordinates[0],g2.coordinates[0],1,true)) {\n var holes1 = g1.coordinates.slice(1,g1.coordinates.length);\n var holes2 = g2.coordinates.slice(1,g2.coordinates.length);\n var cont = this;\n return holes1.every(function(h1) {\n return this.some(function(h2) {\n return cont.compareLine(h1,h2,1,true);\n });\n },holes2);\n } else {\n return false;\n }\n};\n\nEquality.prototype.compareFeature = function(g1,g2) {\n if (\n g1.id !== g2.id ||\n !this.objectComparator(g1.properties, g2.properties) ||\n !this.compareBBox(g1,g2)\n ) {\n return false;\n }\n return this.compare(g1.geometry, g2.geometry);\n};\n\nEquality.prototype.compareBBox = function(g1,g2) {\n if (\n (!g1.bbox && !g2.bbox) || \n (\n g1.bbox && g2.bbox &&\n this.compareCoord(g1.bbox, g2.bbox)\n )\n ) {\n return true;\n }\n return false;\n};\nEquality.prototype.removePseudo = function(path) {\n //TODO to be implement\n return path;\n};\n\nfunction objectComparator(obj1, obj2) {\n return deepEqual(obj1, obj2, {strict: true});\n}\n\nmodule.exports = Equality;\n","var objectKeys = require('object-keys');\nvar isArguments = require('is-arguments');\nvar is = require('object-is');\nvar isRegex = require('is-regex');\nvar flags = require('regexp.prototype.flags');\nvar isDate = require('is-date-object');\n\nvar getTime = Date.prototype.getTime;\n\nfunction deepEqual(actual, expected, options) {\n var opts = options || {};\n\n // 7.1. All identical values are equivalent, as determined by ===.\n if (opts.strict ? is(actual, expected) : actual === expected) {\n return true;\n }\n\n // 7.3. Other pairs that do not both pass typeof value == 'object', equivalence is determined by ==.\n if (!actual || !expected || (typeof actual !== 'object' && typeof expected !== 'object')) {\n return opts.strict ? is(actual, expected) : actual == expected;\n }\n\n /*\n * 7.4. For all other Object pairs, including Array objects, equivalence is\n * determined by having the same number of owned properties (as verified\n * with Object.prototype.hasOwnProperty.call), the same set of keys\n * (although not necessarily the same order), equivalent values for every\n * corresponding key, and an identical 'prototype' property. Note: this\n * accounts for both named and indexed properties on Arrays.\n */\n // eslint-disable-next-line no-use-before-define\n return objEquiv(actual, expected, opts);\n}\n\nfunction isUndefinedOrNull(value) {\n return value === null || value === undefined;\n}\n\nfunction isBuffer(x) {\n if (!x || typeof x !== 'object' || typeof x.length !== 'number') {\n return false;\n }\n if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {\n return false;\n }\n if (x.length > 0 && typeof x[0] !== 'number') {\n return false;\n }\n return true;\n}\n\nfunction objEquiv(a, b, opts) {\n /* eslint max-statements: [2, 50] */\n var i, key;\n if (typeof a !== typeof b) { return false; }\n if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) { return false; }\n\n // an identical 'prototype' property.\n if (a.prototype !== b.prototype) { return false; }\n\n if (isArguments(a) !== isArguments(b)) { return false; }\n\n var aIsRegex = isRegex(a);\n var bIsRegex = isRegex(b);\n if (aIsRegex !== bIsRegex) { return false; }\n if (aIsRegex || bIsRegex) {\n return a.source === b.source && flags(a) === flags(b);\n }\n\n if (isDate(a) && isDate(b)) {\n return getTime.call(a) === getTime.call(b);\n }\n\n var aIsBuffer = isBuffer(a);\n var bIsBuffer = isBuffer(b);\n if (aIsBuffer !== bIsBuffer) { return false; }\n if (aIsBuffer || bIsBuffer) { // && would work too, because both are true or both false here\n if (a.length !== b.length) { return false; }\n for (i = 0; i < a.length; i++) {\n if (a[i] !== b[i]) { return false; }\n }\n return true;\n }\n\n if (typeof a !== typeof b) { return false; }\n\n try {\n var ka = objectKeys(a);\n var kb = objectKeys(b);\n } catch (e) { // happens when one is a string literal and the other isn't\n return false;\n }\n // having the same number of owned properties (keys incorporates hasOwnProperty)\n if (ka.length !== kb.length) { return false; }\n\n // the same set of keys (although not necessarily the same order),\n ka.sort();\n kb.sort();\n // ~~~cheap key test\n for (i = ka.length - 1; i >= 0; i--) {\n if (ka[i] != kb[i]) { return false; }\n }\n // equivalent values for every corresponding key, and ~~~possibly expensive deep test\n for (i = ka.length - 1; i >= 0; i--) {\n key = ka[i];\n if (!deepEqual(a[key], b[key], opts)) { return false; }\n }\n\n return true;\n}\n\nmodule.exports = deepEqual;\n","var rbush = require('rbush');\nvar helpers = require('@turf/helpers');\nvar meta = require('@turf/meta');\nvar turfBBox = require('@turf/bbox').default;\nvar featureEach = meta.featureEach;\nvar coordEach = meta.coordEach;\nvar polygon = helpers.polygon;\nvar featureCollection = helpers.featureCollection;\n\n/**\n * GeoJSON implementation of [RBush](https://github.com/mourner/rbush#rbush) spatial index.\n *\n * @name rbush\n * @param {number} [maxEntries=9] defines the maximum number of entries in a tree node. 9 (used by default) is a\n * reasonable choice for most applications. Higher value means faster insertion and slower search, and vice versa.\n * @returns {RBush} GeoJSON RBush\n * @example\n * var geojsonRbush = require('geojson-rbush').default;\n * var tree = geojsonRbush();\n */\nfunction geojsonRbush(maxEntries) {\n var tree = new rbush(maxEntries);\n /**\n * [insert](https://github.com/mourner/rbush#data-format)\n *\n * @param {Feature} feature insert single GeoJSON Feature\n * @returns {RBush} GeoJSON RBush\n * @example\n * var poly = turf.polygon([[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]);\n * tree.insert(poly)\n */\n tree.insert = function (feature) {\n if (feature.type !== 'Feature') throw new Error('invalid feature');\n feature.bbox = feature.bbox ? feature.bbox : turfBBox(feature);\n return rbush.prototype.insert.call(this, feature);\n };\n\n /**\n * [load](https://github.com/mourner/rbush#bulk-inserting-data)\n *\n * @param {FeatureCollection|Array} features load entire GeoJSON FeatureCollection\n * @returns {RBush} GeoJSON RBush\n * @example\n * var polys = turf.polygons([\n * [[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]],\n * [[[-93, 32], [-83, 32], [-83, 39], [-93, 39], [-93, 32]]]\n * ]);\n * tree.load(polys);\n */\n tree.load = function (features) {\n var load = [];\n // Load an Array of Features\n if (Array.isArray(features)) {\n features.forEach(function (feature) {\n if (feature.type !== 'Feature') throw new Error('invalid features');\n feature.bbox = feature.bbox ? feature.bbox : turfBBox(feature);\n load.push(feature);\n });\n } else {\n // Load a FeatureCollection\n featureEach(features, function (feature) {\n if (feature.type !== 'Feature') throw new Error('invalid features');\n feature.bbox = feature.bbox ? feature.bbox : turfBBox(feature);\n load.push(feature);\n });\n }\n return rbush.prototype.load.call(this, load);\n };\n\n /**\n * [remove](https://github.com/mourner/rbush#removing-data)\n *\n * @param {Feature} feature remove single GeoJSON Feature\n * @param {Function} equals Pass a custom equals function to compare by value for removal.\n * @returns {RBush} GeoJSON RBush\n * @example\n * var poly = turf.polygon([[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]);\n *\n * tree.remove(poly);\n */\n tree.remove = function (feature, equals) {\n if (feature.type !== 'Feature') throw new Error('invalid feature');\n feature.bbox = feature.bbox ? feature.bbox : turfBBox(feature);\n return rbush.prototype.remove.call(this, feature, equals);\n };\n\n /**\n * [clear](https://github.com/mourner/rbush#removing-data)\n *\n * @returns {RBush} GeoJSON Rbush\n * @example\n * tree.clear()\n */\n tree.clear = function () {\n return rbush.prototype.clear.call(this);\n };\n\n /**\n * [search](https://github.com/mourner/rbush#search)\n *\n * @param {BBox|FeatureCollection|Feature} geojson search with GeoJSON\n * @returns {FeatureCollection} all features that intersects with the given GeoJSON.\n * @example\n * var poly = turf.polygon([[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]);\n *\n * tree.search(poly);\n */\n tree.search = function (geojson) {\n var features = rbush.prototype.search.call(this, this.toBBox(geojson));\n return featureCollection(features);\n };\n\n /**\n * [collides](https://github.com/mourner/rbush#collisions)\n *\n * @param {BBox|FeatureCollection|Feature} geojson collides with GeoJSON\n * @returns {boolean} true if there are any items intersecting the given GeoJSON, otherwise false.\n * @example\n * var poly = turf.polygon([[[-78, 41], [-67, 41], [-67, 48], [-78, 48], [-78, 41]]]);\n *\n * tree.collides(poly);\n */\n tree.collides = function (geojson) {\n return rbush.prototype.collides.call(this, this.toBBox(geojson));\n };\n\n /**\n * [all](https://github.com/mourner/rbush#search)\n *\n * @returns {FeatureCollection} all the features in RBush\n * @example\n * tree.all()\n */\n tree.all = function () {\n var features = rbush.prototype.all.call(this);\n return featureCollection(features);\n };\n\n /**\n * [toJSON](https://github.com/mourner/rbush#export-and-import)\n *\n * @returns {any} export data as JSON object\n * @example\n * var exported = tree.toJSON()\n */\n tree.toJSON = function () {\n return rbush.prototype.toJSON.call(this);\n };\n\n /**\n * [fromJSON](https://github.com/mourner/rbush#export-and-import)\n *\n * @param {any} json import previously exported data\n * @returns {RBush} GeoJSON RBush\n * @example\n * var exported = {\n * \"children\": [\n * {\n * \"type\": \"Feature\",\n * \"geometry\": {\n * \"type\": \"Point\",\n * \"coordinates\": [110, 50]\n * },\n * \"properties\": {},\n * \"bbox\": [110, 50, 110, 50]\n * }\n * ],\n * \"height\": 1,\n * \"leaf\": true,\n * \"minX\": 110,\n * \"minY\": 50,\n * \"maxX\": 110,\n * \"maxY\": 50\n * }\n * tree.fromJSON(exported)\n */\n tree.fromJSON = function (json) {\n return rbush.prototype.fromJSON.call(this, json);\n };\n\n /**\n * Converts GeoJSON to {minX, minY, maxX, maxY} schema\n *\n * @private\n * @param {BBox|FeatureCollection|Feature} geojson feature(s) to retrieve BBox from\n * @returns {Object} converted to {minX, minY, maxX, maxY}\n */\n tree.toBBox = function (geojson) {\n var bbox;\n if (geojson.bbox) bbox = geojson.bbox;\n else if (Array.isArray(geojson) && geojson.length === 4) bbox = geojson;\n else if (Array.isArray(geojson) && geojson.length === 6) bbox = [geojson[0], geojson[1], geojson[3], geojson[4]];\n else if (geojson.type === 'Feature') bbox = turfBBox(geojson);\n else if (geojson.type === 'FeatureCollection') bbox = turfBBox(geojson);\n else throw new Error('invalid geojson')\n\n return {\n minX: bbox[0],\n minY: bbox[1],\n maxX: bbox[2],\n maxY: bbox[3]\n };\n };\n return tree;\n}\n\nmodule.exports = geojsonRbush;\nmodule.exports.default = geojsonRbush;\n","!function(t,i){\"object\"==typeof exports&&\"undefined\"!=typeof module?module.exports=i():\"function\"==typeof define&&define.amd?define(i):(t=t||self).RBush=i()}(this,function(){\"use strict\";function t(t,r,e,a,h){!function t(n,r,e,a,h){for(;a>e;){if(a-e>600){var o=a-e+1,s=r-e+1,l=Math.log(o),f=.5*Math.exp(2*l/3),u=.5*Math.sqrt(l*f*(o-f)/o)*(s-o/2<0?-1:1),m=Math.max(e,Math.floor(r-s*f/o+u)),c=Math.min(a,Math.floor(r+(o-s)*f/o+u));t(n,r,m,c,h)}var p=n[r],d=e,x=a;for(i(n,e,r),h(n[a],p)>0&&i(n,e,a);d0;)x--}0===h(n[e],p)?i(n,e,x):i(n,++x,a),x<=r&&(e=x+1),r<=x&&(a=x-1)}}(t,r,e||0,a||t.length-1,h||n)}function i(t,i,n){var r=t[i];t[i]=t[n],t[n]=r}function n(t,i){return ti?1:0}var r=function(t){void 0===t&&(t=9),this._maxEntries=Math.max(4,t),this._minEntries=Math.max(2,Math.ceil(.4*this._maxEntries)),this.clear()};function e(t,i,n){if(!n)return i.indexOf(t);for(var r=0;r=t.minX&&i.maxY>=t.minY}function p(t){return{children:t,height:1,leaf:!0,minX:1/0,minY:1/0,maxX:-1/0,maxY:-1/0}}function d(i,n,r,e,a){for(var h=[n,r];h.length;)if(!((r=h.pop())-(n=h.pop())<=e)){var o=n+Math.ceil((r-n)/e/2)*e;t(i,o,n,r,a),h.push(n,o,o,r)}}return r.prototype.all=function(){return this._all(this.data,[])},r.prototype.search=function(t){var i=this.data,n=[];if(!c(t,i))return n;for(var r=this.toBBox,e=[];i;){for(var a=0;a=0&&e[i].children.length>this._maxEntries;)this._split(e,i),i--;this._adjustParentBBoxes(r,e,i)},r.prototype._split=function(t,i){var n=t[i],r=n.children.length,e=this._minEntries;this._chooseSplitAxis(n,e,r);var h=this._chooseSplitIndex(n,e,r),o=p(n.children.splice(h,n.children.length-h));o.height=n.height,o.leaf=n.leaf,a(n,this.toBBox),a(o,this.toBBox),i?t[i-1].children.push(o):this._splitRoot(n,o)},r.prototype._splitRoot=function(t,i){this.data=p([t,i]),this.data.height=t.height+1,this.data.leaf=!1,a(this.data,this.toBBox)},r.prototype._chooseSplitIndex=function(t,i,n){for(var r,e,a,o,s,l,u,m=1/0,c=1/0,p=i;p<=n-i;p++){var d=h(t,0,p,this.toBBox),x=h(t,p,n,this.toBBox),v=(e=d,a=x,o=void 0,s=void 0,l=void 0,u=void 0,o=Math.max(e.minX,a.minX),s=Math.max(e.minY,a.minY),l=Math.min(e.maxX,a.maxX),u=Math.min(e.maxY,a.maxY),Math.max(0,l-o)*Math.max(0,u-s)),M=f(d)+f(x);v=i;c--){var p=t.children[c];o(s,t.leaf?e(p):p),l+=u(s)}return l},r.prototype._adjustParentBBoxes=function(t,i,n){for(var r=n;r>=0;r--)o(i[r],t)},r.prototype._condense=function(t){for(var i=t.length-1,n=void 0;i>=0;i--)0===t[i].children.length?i>0?(n=t[i-1].children).splice(n.indexOf(t[i]),1):this.clear():a(t[i],this.toBBox)},r});\n","'use strict';\n\nvar undefined;\n\nvar $Error = require('es-errors');\nvar $EvalError = require('es-errors/eval');\nvar $RangeError = require('es-errors/range');\nvar $ReferenceError = require('es-errors/ref');\nvar $SyntaxError = require('es-errors/syntax');\nvar $TypeError = require('es-errors/type');\nvar $URIError = require('es-errors/uri');\n\nvar $Function = Function;\n\n// eslint-disable-next-line consistent-return\nvar getEvalledConstructor = function (expressionSyntax) {\n\ttry {\n\t\treturn $Function('\"use strict\"; return (' + expressionSyntax + ').constructor;')();\n\t} catch (e) {}\n};\n\nvar $gOPD = Object.getOwnPropertyDescriptor;\nif ($gOPD) {\n\ttry {\n\t\t$gOPD({}, '');\n\t} catch (e) {\n\t\t$gOPD = null; // this is IE 8, which has a broken gOPD\n\t}\n}\n\nvar throwTypeError = function () {\n\tthrow new $TypeError();\n};\nvar ThrowTypeError = $gOPD\n\t? (function () {\n\t\ttry {\n\t\t\t// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties\n\t\t\targuments.callee; // IE 8 does not throw here\n\t\t\treturn throwTypeError;\n\t\t} catch (calleeThrows) {\n\t\t\ttry {\n\t\t\t\t// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')\n\t\t\t\treturn $gOPD(arguments, 'callee').get;\n\t\t\t} catch (gOPDthrows) {\n\t\t\t\treturn throwTypeError;\n\t\t\t}\n\t\t}\n\t}())\n\t: throwTypeError;\n\nvar hasSymbols = require('has-symbols')();\nvar hasProto = require('has-proto')();\n\nvar getProto = Object.getPrototypeOf || (\n\thasProto\n\t\t? function (x) { return x.__proto__; } // eslint-disable-line no-proto\n\t\t: null\n);\n\nvar needsEval = {};\n\nvar TypedArray = typeof Uint8Array === 'undefined' || !getProto ? undefined : getProto(Uint8Array);\n\nvar INTRINSICS = {\n\t__proto__: null,\n\t'%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError,\n\t'%Array%': Array,\n\t'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,\n\t'%ArrayIteratorPrototype%': hasSymbols && getProto ? getProto([][Symbol.iterator]()) : undefined,\n\t'%AsyncFromSyncIteratorPrototype%': undefined,\n\t'%AsyncFunction%': needsEval,\n\t'%AsyncGenerator%': needsEval,\n\t'%AsyncGeneratorFunction%': needsEval,\n\t'%AsyncIteratorPrototype%': needsEval,\n\t'%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,\n\t'%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt,\n\t'%BigInt64Array%': typeof BigInt64Array === 'undefined' ? undefined : BigInt64Array,\n\t'%BigUint64Array%': typeof BigUint64Array === 'undefined' ? undefined : BigUint64Array,\n\t'%Boolean%': Boolean,\n\t'%DataView%': typeof DataView === 'undefined' ? undefined : DataView,\n\t'%Date%': Date,\n\t'%decodeURI%': decodeURI,\n\t'%decodeURIComponent%': decodeURIComponent,\n\t'%encodeURI%': encodeURI,\n\t'%encodeURIComponent%': encodeURIComponent,\n\t'%Error%': $Error,\n\t'%eval%': eval, // eslint-disable-line no-eval\n\t'%EvalError%': $EvalError,\n\t'%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,\n\t'%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,\n\t'%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry,\n\t'%Function%': $Function,\n\t'%GeneratorFunction%': needsEval,\n\t'%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,\n\t'%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,\n\t'%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,\n\t'%isFinite%': isFinite,\n\t'%isNaN%': isNaN,\n\t'%IteratorPrototype%': hasSymbols && getProto ? getProto(getProto([][Symbol.iterator]())) : undefined,\n\t'%JSON%': typeof JSON === 'object' ? JSON : undefined,\n\t'%Map%': typeof Map === 'undefined' ? undefined : Map,\n\t'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Map()[Symbol.iterator]()),\n\t'%Math%': Math,\n\t'%Number%': Number,\n\t'%Object%': Object,\n\t'%parseFloat%': parseFloat,\n\t'%parseInt%': parseInt,\n\t'%Promise%': typeof Promise === 'undefined' ? undefined : Promise,\n\t'%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,\n\t'%RangeError%': $RangeError,\n\t'%ReferenceError%': $ReferenceError,\n\t'%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,\n\t'%RegExp%': RegExp,\n\t'%Set%': typeof Set === 'undefined' ? undefined : Set,\n\t'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols || !getProto ? undefined : getProto(new Set()[Symbol.iterator]()),\n\t'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,\n\t'%String%': String,\n\t'%StringIteratorPrototype%': hasSymbols && getProto ? getProto(''[Symbol.iterator]()) : undefined,\n\t'%Symbol%': hasSymbols ? Symbol : undefined,\n\t'%SyntaxError%': $SyntaxError,\n\t'%ThrowTypeError%': ThrowTypeError,\n\t'%TypedArray%': TypedArray,\n\t'%TypeError%': $TypeError,\n\t'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,\n\t'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,\n\t'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,\n\t'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,\n\t'%URIError%': $URIError,\n\t'%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,\n\t'%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef,\n\t'%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet\n};\n\nif (getProto) {\n\ttry {\n\t\tnull.error; // eslint-disable-line no-unused-expressions\n\t} catch (e) {\n\t\t// https://github.com/tc39/proposal-shadowrealm/pull/384#issuecomment-1364264229\n\t\tvar errorProto = getProto(getProto(e));\n\t\tINTRINSICS['%Error.prototype%'] = errorProto;\n\t}\n}\n\nvar doEval = function doEval(name) {\n\tvar value;\n\tif (name === '%AsyncFunction%') {\n\t\tvalue = getEvalledConstructor('async function () {}');\n\t} else if (name === '%GeneratorFunction%') {\n\t\tvalue = getEvalledConstructor('function* () {}');\n\t} else if (name === '%AsyncGeneratorFunction%') {\n\t\tvalue = getEvalledConstructor('async function* () {}');\n\t} else if (name === '%AsyncGenerator%') {\n\t\tvar fn = doEval('%AsyncGeneratorFunction%');\n\t\tif (fn) {\n\t\t\tvalue = fn.prototype;\n\t\t}\n\t} else if (name === '%AsyncIteratorPrototype%') {\n\t\tvar gen = doEval('%AsyncGenerator%');\n\t\tif (gen && getProto) {\n\t\t\tvalue = getProto(gen.prototype);\n\t\t}\n\t}\n\n\tINTRINSICS[name] = value;\n\n\treturn value;\n};\n\nvar LEGACY_ALIASES = {\n\t__proto__: null,\n\t'%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'],\n\t'%ArrayPrototype%': ['Array', 'prototype'],\n\t'%ArrayProto_entries%': ['Array', 'prototype', 'entries'],\n\t'%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'],\n\t'%ArrayProto_keys%': ['Array', 'prototype', 'keys'],\n\t'%ArrayProto_values%': ['Array', 'prototype', 'values'],\n\t'%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'],\n\t'%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'],\n\t'%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'],\n\t'%BooleanPrototype%': ['Boolean', 'prototype'],\n\t'%DataViewPrototype%': ['DataView', 'prototype'],\n\t'%DatePrototype%': ['Date', 'prototype'],\n\t'%ErrorPrototype%': ['Error', 'prototype'],\n\t'%EvalErrorPrototype%': ['EvalError', 'prototype'],\n\t'%Float32ArrayPrototype%': ['Float32Array', 'prototype'],\n\t'%Float64ArrayPrototype%': ['Float64Array', 'prototype'],\n\t'%FunctionPrototype%': ['Function', 'prototype'],\n\t'%Generator%': ['GeneratorFunction', 'prototype'],\n\t'%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'],\n\t'%Int8ArrayPrototype%': ['Int8Array', 'prototype'],\n\t'%Int16ArrayPrototype%': ['Int16Array', 'prototype'],\n\t'%Int32ArrayPrototype%': ['Int32Array', 'prototype'],\n\t'%JSONParse%': ['JSON', 'parse'],\n\t'%JSONStringify%': ['JSON', 'stringify'],\n\t'%MapPrototype%': ['Map', 'prototype'],\n\t'%NumberPrototype%': ['Number', 'prototype'],\n\t'%ObjectPrototype%': ['Object', 'prototype'],\n\t'%ObjProto_toString%': ['Object', 'prototype', 'toString'],\n\t'%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'],\n\t'%PromisePrototype%': ['Promise', 'prototype'],\n\t'%PromiseProto_then%': ['Promise', 'prototype', 'then'],\n\t'%Promise_all%': ['Promise', 'all'],\n\t'%Promise_reject%': ['Promise', 'reject'],\n\t'%Promise_resolve%': ['Promise', 'resolve'],\n\t'%RangeErrorPrototype%': ['RangeError', 'prototype'],\n\t'%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'],\n\t'%RegExpPrototype%': ['RegExp', 'prototype'],\n\t'%SetPrototype%': ['Set', 'prototype'],\n\t'%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'],\n\t'%StringPrototype%': ['String', 'prototype'],\n\t'%SymbolPrototype%': ['Symbol', 'prototype'],\n\t'%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'],\n\t'%TypedArrayPrototype%': ['TypedArray', 'prototype'],\n\t'%TypeErrorPrototype%': ['TypeError', 'prototype'],\n\t'%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'],\n\t'%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'],\n\t'%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'],\n\t'%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'],\n\t'%URIErrorPrototype%': ['URIError', 'prototype'],\n\t'%WeakMapPrototype%': ['WeakMap', 'prototype'],\n\t'%WeakSetPrototype%': ['WeakSet', 'prototype']\n};\n\nvar bind = require('function-bind');\nvar hasOwn = require('hasown');\nvar $concat = bind.call(Function.call, Array.prototype.concat);\nvar $spliceApply = bind.call(Function.apply, Array.prototype.splice);\nvar $replace = bind.call(Function.call, String.prototype.replace);\nvar $strSlice = bind.call(Function.call, String.prototype.slice);\nvar $exec = bind.call(Function.call, RegExp.prototype.exec);\n\n/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */\nvar rePropName = /[^%.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|%$))/g;\nvar reEscapeChar = /\\\\(\\\\)?/g; /** Used to match backslashes in property paths. */\nvar stringToPath = function stringToPath(string) {\n\tvar first = $strSlice(string, 0, 1);\n\tvar last = $strSlice(string, -1);\n\tif (first === '%' && last !== '%') {\n\t\tthrow new $SyntaxError('invalid intrinsic syntax, expected closing `%`');\n\t} else if (last === '%' && first !== '%') {\n\t\tthrow new $SyntaxError('invalid intrinsic syntax, expected opening `%`');\n\t}\n\tvar result = [];\n\t$replace(string, rePropName, function (match, number, quote, subString) {\n\t\tresult[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match;\n\t});\n\treturn result;\n};\n/* end adaptation */\n\nvar getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {\n\tvar intrinsicName = name;\n\tvar alias;\n\tif (hasOwn(LEGACY_ALIASES, intrinsicName)) {\n\t\talias = LEGACY_ALIASES[intrinsicName];\n\t\tintrinsicName = '%' + alias[0] + '%';\n\t}\n\n\tif (hasOwn(INTRINSICS, intrinsicName)) {\n\t\tvar value = INTRINSICS[intrinsicName];\n\t\tif (value === needsEval) {\n\t\t\tvalue = doEval(intrinsicName);\n\t\t}\n\t\tif (typeof value === 'undefined' && !allowMissing) {\n\t\t\tthrow new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');\n\t\t}\n\n\t\treturn {\n\t\t\talias: alias,\n\t\t\tname: intrinsicName,\n\t\t\tvalue: value\n\t\t};\n\t}\n\n\tthrow new $SyntaxError('intrinsic ' + name + ' does not exist!');\n};\n\nmodule.exports = function GetIntrinsic(name, allowMissing) {\n\tif (typeof name !== 'string' || name.length === 0) {\n\t\tthrow new $TypeError('intrinsic name must be a non-empty string');\n\t}\n\tif (arguments.length > 1 && typeof allowMissing !== 'boolean') {\n\t\tthrow new $TypeError('\"allowMissing\" argument must be a boolean');\n\t}\n\n\tif ($exec(/^%?[^%]*%?$/, name) === null) {\n\t\tthrow new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name');\n\t}\n\tvar parts = stringToPath(name);\n\tvar intrinsicBaseName = parts.length > 0 ? parts[0] : '';\n\n\tvar intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing);\n\tvar intrinsicRealName = intrinsic.name;\n\tvar value = intrinsic.value;\n\tvar skipFurtherCaching = false;\n\n\tvar alias = intrinsic.alias;\n\tif (alias) {\n\t\tintrinsicBaseName = alias[0];\n\t\t$spliceApply(parts, $concat([0, 1], alias));\n\t}\n\n\tfor (var i = 1, isOwn = true; i < parts.length; i += 1) {\n\t\tvar part = parts[i];\n\t\tvar first = $strSlice(part, 0, 1);\n\t\tvar last = $strSlice(part, -1);\n\t\tif (\n\t\t\t(\n\t\t\t\t(first === '\"' || first === \"'\" || first === '`')\n\t\t\t\t|| (last === '\"' || last === \"'\" || last === '`')\n\t\t\t)\n\t\t\t&& first !== last\n\t\t) {\n\t\t\tthrow new $SyntaxError('property names with quotes must have matching quotes');\n\t\t}\n\t\tif (part === 'constructor' || !isOwn) {\n\t\t\tskipFurtherCaching = true;\n\t\t}\n\n\t\tintrinsicBaseName += '.' + part;\n\t\tintrinsicRealName = '%' + intrinsicBaseName + '%';\n\n\t\tif (hasOwn(INTRINSICS, intrinsicRealName)) {\n\t\t\tvalue = INTRINSICS[intrinsicRealName];\n\t\t} else if (value != null) {\n\t\t\tif (!(part in value)) {\n\t\t\t\tif (!allowMissing) {\n\t\t\t\t\tthrow new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');\n\t\t\t\t}\n\t\t\t\treturn void undefined;\n\t\t\t}\n\t\t\tif ($gOPD && (i + 1) >= parts.length) {\n\t\t\t\tvar desc = $gOPD(value, part);\n\t\t\t\tisOwn = !!desc;\n\n\t\t\t\t// By convention, when a data property is converted to an accessor\n\t\t\t\t// property to emulate a data property that does not suffer from\n\t\t\t\t// the override mistake, that accessor's getter is marked with\n\t\t\t\t// an `originalValue` property. Here, when we detect this, we\n\t\t\t\t// uphold the illusion by pretending to see that original data\n\t\t\t\t// property, i.e., returning the value rather than the getter\n\t\t\t\t// itself.\n\t\t\t\tif (isOwn && 'get' in desc && !('originalValue' in desc.get)) {\n\t\t\t\t\tvalue = desc.get;\n\t\t\t\t} else {\n\t\t\t\t\tvalue = value[part];\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tisOwn = hasOwn(value, part);\n\t\t\t\tvalue = value[part];\n\t\t\t}\n\n\t\t\tif (isOwn && !skipFurtherCaching) {\n\t\t\t\tINTRINSICS[intrinsicRealName] = value;\n\t\t\t}\n\t\t}\n\t}\n\treturn value;\n};\n","'use strict';\n\nvar GetIntrinsic = require('get-intrinsic');\n\nvar $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true);\n\nif ($gOPD) {\n\ttry {\n\t\t$gOPD([], 'length');\n\t} catch (e) {\n\t\t// IE 8 has a broken gOPD\n\t\t$gOPD = null;\n\t}\n}\n\nmodule.exports = $gOPD;\n","'use strict';\n\nvar $defineProperty = require('es-define-property');\n\nvar hasPropertyDescriptors = function hasPropertyDescriptors() {\n\treturn !!$defineProperty;\n};\n\nhasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() {\n\t// node v0.6 has a bug where array lengths can be Set but not Defined\n\tif (!$defineProperty) {\n\t\treturn null;\n\t}\n\ttry {\n\t\treturn $defineProperty([], 'length', { value: 1 }).length !== 1;\n\t} catch (e) {\n\t\t// In Firefox 4-22, defining length on an array throws an exception.\n\t\treturn true;\n\t}\n};\n\nmodule.exports = hasPropertyDescriptors;\n","'use strict';\n\nvar test = {\n\t__proto__: null,\n\tfoo: {}\n};\n\nvar $Object = Object;\n\n/** @type {import('.')} */\nmodule.exports = function hasProto() {\n\t// @ts-expect-error: TS errors on an inherited property for some reason\n\treturn { __proto__: test }.foo === test.foo\n\t\t&& !(test instanceof $Object);\n};\n","'use strict';\n\nvar origSymbol = typeof Symbol !== 'undefined' && Symbol;\nvar hasSymbolSham = require('./shams');\n\nmodule.exports = function hasNativeSymbols() {\n\tif (typeof origSymbol !== 'function') { return false; }\n\tif (typeof Symbol !== 'function') { return false; }\n\tif (typeof origSymbol('foo') !== 'symbol') { return false; }\n\tif (typeof Symbol('bar') !== 'symbol') { return false; }\n\n\treturn hasSymbolSham();\n};\n","'use strict';\n\n/* eslint complexity: [2, 18], max-statements: [2, 33] */\nmodule.exports = function hasSymbols() {\n\tif (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }\n\tif (typeof Symbol.iterator === 'symbol') { return true; }\n\n\tvar obj = {};\n\tvar sym = Symbol('test');\n\tvar symObj = Object(sym);\n\tif (typeof sym === 'string') { return false; }\n\n\tif (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }\n\tif (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }\n\n\t// temp disabled per https://github.com/ljharb/object.assign/issues/17\n\t// if (sym instanceof Symbol) { return false; }\n\t// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4\n\t// if (!(symObj instanceof Symbol)) { return false; }\n\n\t// if (typeof Symbol.prototype.toString !== 'function') { return false; }\n\t// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }\n\n\tvar symVal = 42;\n\tobj[sym] = symVal;\n\tfor (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop\n\tif (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }\n\n\tif (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }\n\n\tvar syms = Object.getOwnPropertySymbols(obj);\n\tif (syms.length !== 1 || syms[0] !== sym) { return false; }\n\n\tif (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }\n\n\tif (typeof Object.getOwnPropertyDescriptor === 'function') {\n\t\tvar descriptor = Object.getOwnPropertyDescriptor(obj, sym);\n\t\tif (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }\n\t}\n\n\treturn true;\n};\n","'use strict';\n\nvar hasSymbols = require('has-symbols/shams');\n\n/** @type {import('.')} */\nmodule.exports = function hasToStringTagShams() {\n\treturn hasSymbols() && !!Symbol.toStringTag;\n};\n","'use strict';\n\nvar call = Function.prototype.call;\nvar $hasOwn = Object.prototype.hasOwnProperty;\nvar bind = require('function-bind');\n\n/** @type {import('.')} */\nmodule.exports = bind.call(call, $hasOwn);\n","var warning = function () { };\r\nvar invariant = function () { };\r\nif (process.env.NODE_ENV !== 'production') {\r\n warning = function (check, message) {\r\n if (!check && typeof console !== 'undefined') {\r\n console.warn(message);\r\n }\r\n };\r\n invariant = function (check, message) {\r\n if (!check) {\r\n throw new Error(message);\r\n }\r\n };\r\n}\n\nexport { invariant, warning };\n","'use strict';\n\nvar reactIs = require('react-is');\n\n/**\n * Copyright 2015, Yahoo! Inc.\n * Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.\n */\nvar REACT_STATICS = {\n childContextTypes: true,\n contextType: true,\n contextTypes: true,\n defaultProps: true,\n displayName: true,\n getDefaultProps: true,\n getDerivedStateFromError: true,\n getDerivedStateFromProps: true,\n mixins: true,\n propTypes: true,\n type: true\n};\nvar KNOWN_STATICS = {\n name: true,\n length: true,\n prototype: true,\n caller: true,\n callee: true,\n arguments: true,\n arity: true\n};\nvar FORWARD_REF_STATICS = {\n '$$typeof': true,\n render: true,\n defaultProps: true,\n displayName: true,\n propTypes: true\n};\nvar MEMO_STATICS = {\n '$$typeof': true,\n compare: true,\n defaultProps: true,\n displayName: true,\n propTypes: true,\n type: true\n};\nvar TYPE_STATICS = {};\nTYPE_STATICS[reactIs.ForwardRef] = FORWARD_REF_STATICS;\nTYPE_STATICS[reactIs.Memo] = MEMO_STATICS;\n\nfunction getStatics(component) {\n // React v16.11 and below\n if (reactIs.isMemo(component)) {\n return MEMO_STATICS;\n } // React v16.12 and above\n\n\n return TYPE_STATICS[component['$$typeof']] || REACT_STATICS;\n}\n\nvar defineProperty = Object.defineProperty;\nvar getOwnPropertyNames = Object.getOwnPropertyNames;\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\nvar getPrototypeOf = Object.getPrototypeOf;\nvar objectPrototype = Object.prototype;\nfunction hoistNonReactStatics(targetComponent, sourceComponent, blacklist) {\n if (typeof sourceComponent !== 'string') {\n // don't hoist over string (html) components\n if (objectPrototype) {\n var inheritedComponent = getPrototypeOf(sourceComponent);\n\n if (inheritedComponent && inheritedComponent !== objectPrototype) {\n hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);\n }\n }\n\n var keys = getOwnPropertyNames(sourceComponent);\n\n if (getOwnPropertySymbols) {\n keys = keys.concat(getOwnPropertySymbols(sourceComponent));\n }\n\n var targetStatics = getStatics(targetComponent);\n var sourceStatics = getStatics(sourceComponent);\n\n for (var i = 0; i < keys.length; ++i) {\n var key = keys[i];\n\n if (!KNOWN_STATICS[key] && !(blacklist && blacklist[key]) && !(sourceStatics && sourceStatics[key]) && !(targetStatics && targetStatics[key])) {\n var descriptor = getOwnPropertyDescriptor(sourceComponent, key);\n\n try {\n // Avoid failures from read-only properties\n defineProperty(targetComponent, key, descriptor);\n } catch (e) {}\n }\n }\n }\n\n return targetComponent;\n}\n\nmodule.exports = hoistNonReactStatics;\n","'use strict';\n\nvar hasToStringTag = require('has-tostringtag/shams')();\nvar callBound = require('call-bind/callBound');\n\nvar $toString = callBound('Object.prototype.toString');\n\nvar isStandardArguments = function isArguments(value) {\n\tif (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) {\n\t\treturn false;\n\t}\n\treturn $toString(value) === '[object Arguments]';\n};\n\nvar isLegacyArguments = function isArguments(value) {\n\tif (isStandardArguments(value)) {\n\t\treturn true;\n\t}\n\treturn value !== null &&\n\t\ttypeof value === 'object' &&\n\t\ttypeof value.length === 'number' &&\n\t\tvalue.length >= 0 &&\n\t\t$toString(value) !== '[object Array]' &&\n\t\t$toString(value.callee) === '[object Function]';\n};\n\nvar supportsStandardArguments = (function () {\n\treturn isStandardArguments(arguments);\n}());\n\nisStandardArguments.isLegacyArguments = isLegacyArguments; // for tests\n\nmodule.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments;\n","'use strict';\n\nvar getDay = Date.prototype.getDay;\nvar tryDateObject = function tryDateGetDayCall(value) {\n\ttry {\n\t\tgetDay.call(value);\n\t\treturn true;\n\t} catch (e) {\n\t\treturn false;\n\t}\n};\n\nvar toStr = Object.prototype.toString;\nvar dateClass = '[object Date]';\nvar hasToStringTag = require('has-tostringtag/shams')();\n\nmodule.exports = function isDateObject(value) {\n\tif (typeof value !== 'object' || value === null) {\n\t\treturn false;\n\t}\n\treturn hasToStringTag ? tryDateObject(value) : toStr.call(value) === dateClass;\n};\n","'use strict';\n\nvar callBound = require('call-bind/callBound');\nvar hasToStringTag = require('has-tostringtag/shams')();\nvar has;\nvar $exec;\nvar isRegexMarker;\nvar badStringifier;\n\nif (hasToStringTag) {\n\thas = callBound('Object.prototype.hasOwnProperty');\n\t$exec = callBound('RegExp.prototype.exec');\n\tisRegexMarker = {};\n\n\tvar throwRegexMarker = function () {\n\t\tthrow isRegexMarker;\n\t};\n\tbadStringifier = {\n\t\ttoString: throwRegexMarker,\n\t\tvalueOf: throwRegexMarker\n\t};\n\n\tif (typeof Symbol.toPrimitive === 'symbol') {\n\t\tbadStringifier[Symbol.toPrimitive] = throwRegexMarker;\n\t}\n}\n\nvar $toString = callBound('Object.prototype.toString');\nvar gOPD = Object.getOwnPropertyDescriptor;\nvar regexClass = '[object RegExp]';\n\nmodule.exports = hasToStringTag\n\t// eslint-disable-next-line consistent-return\n\t? function isRegex(value) {\n\t\tif (!value || typeof value !== 'object') {\n\t\t\treturn false;\n\t\t}\n\n\t\tvar descriptor = gOPD(value, 'lastIndex');\n\t\tvar hasLastIndexDataProperty = descriptor && has(descriptor, 'value');\n\t\tif (!hasLastIndexDataProperty) {\n\t\t\treturn false;\n\t\t}\n\n\t\ttry {\n\t\t\t$exec(value, badStringifier);\n\t\t} catch (e) {\n\t\t\treturn e === isRegexMarker;\n\t\t}\n\t}\n\t: function isRegex(value) {\n\t\t// In older browsers, typeof regex incorrectly returns 'function'\n\t\tif (!value || (typeof value !== 'object' && typeof value !== 'function')) {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn $toString(value) === regexClass;\n\t};\n","module.exports = function(data, filename, mime, bom) {\n var blobData = (typeof bom !== 'undefined') ? [bom, data] : [data]\n var blob = new Blob(blobData, {type: mime || 'application/octet-stream'});\n if (typeof window.navigator.msSaveBlob !== 'undefined') {\n // IE workaround for \"HTML7007: One or more blob URLs were\n // revoked by closing the blob for which they were created.\n // These URLs will no longer resolve as the data backing\n // the URL has been freed.\"\n window.navigator.msSaveBlob(blob, filename);\n }\n else {\n var blobURL = (window.URL && window.URL.createObjectURL) ? window.URL.createObjectURL(blob) : window.webkitURL.createObjectURL(blob);\n var tempLink = document.createElement('a');\n tempLink.style.display = 'none';\n tempLink.href = blobURL;\n tempLink.setAttribute('download', filename);\n\n // Safari thinks _blank anchor are pop ups. We only want to set _blank\n // target if the browser does not support the HTML5 download attribute.\n // This allows you to download files in desktop safari if pop up blocking\n // is enabled.\n if (typeof tempLink.download === 'undefined') {\n tempLink.setAttribute('target', '_blank');\n }\n\n document.body.appendChild(tempLink);\n tempLink.click();\n\n // Fixes \"webkit blob resource error 1\"\n setTimeout(function() {\n document.body.removeChild(tempLink);\n window.URL.revokeObjectURL(blobURL);\n }, 200)\n }\n}\n","/**\n * Lodash (Custom Build) \n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright OpenJS Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used to detect hot functions by number of calls within a span of milliseconds. */\nvar HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/** Used to identify `toStringTag` values of typed arrays. */\nvar typedArrayTags = {};\ntypedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\ntypedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\ntypedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\ntypedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\ntypedArrayTags[uint32Tag] = true;\ntypedArrayTags[argsTag] = typedArrayTags[arrayTag] =\ntypedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\ntypedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\ntypedArrayTags[errorTag] = typedArrayTags[funcTag] =\ntypedArrayTags[mapTag] = typedArrayTags[numberTag] =\ntypedArrayTags[objectTag] = typedArrayTags[regexpTag] =\ntypedArrayTags[setTag] = typedArrayTags[stringTag] =\ntypedArrayTags[weakMapTag] = false;\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Detect free variable `process` from Node.js. */\nvar freeProcess = moduleExports && freeGlobal.process;\n\n/** Used to access faster Node.js helpers. */\nvar nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n}());\n\n/* Node.js helper references. */\nvar nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n/**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\nfunction apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n}\n\n/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n}\n\n/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n return function(value) {\n return func(value);\n };\n}\n\n/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n return object == null ? undefined : object[key];\n}\n\n/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n}\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Used to infer the `Object` constructor. */\nvar objectCtorString = funcToString.call(Object);\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined,\n Symbol = root.Symbol,\n Uint8Array = root.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\nvar defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n}());\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeMax = Math.max,\n nativeNow = Date.now;\n\n/* Built-in method references that are verified to be native. */\nvar Map = getNative(root, 'Map'),\n nativeCreate = getNative(Object, 'create');\n\n/**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\nvar baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n}());\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n}\n\n/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n}\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n}\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n}\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n}\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n}\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n}\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n}\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n}\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n}\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n return getMapData(this, key).get(key);\n}\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n return getMapData(this, key).has(key);\n}\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\n/**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n}\n\n/**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\nfunction stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n}\n\n/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n}\n\n/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n return this.__data__.get(key);\n}\n\n/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n return this.__data__.has(key);\n}\n\n/**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\nfunction stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n}\n\n// Add methods to `Stack`.\nStack.prototype.clear = stackClear;\nStack.prototype['delete'] = stackDelete;\nStack.prototype.get = stackGet;\nStack.prototype.has = stackHas;\nStack.prototype.set = stackSet;\n\n/**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\nfunction arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n}\n\n/**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n}\n\n/**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n}\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n}\n\n/**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\nfunction baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n}\n\n/**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\nvar baseFor = createBaseFor();\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n}\n\n/**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\nfunction baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n}\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\nfunction baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n}\n\n/**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\nfunction baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n}\n\n/**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n}\n\n/**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\nfunction baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n}\n\n/**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\nfunction baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n}\n\n/**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\nfunction baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n}\n\n/**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\nvar baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n};\n\n/**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\nfunction cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n}\n\n/**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\nfunction cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n}\n\n/**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\nfunction cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n}\n\n/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n}\n\n/**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\nfunction copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n}\n\n/**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\nfunction createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n}\n\n/**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n}\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n}\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n}\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n}\n\n/**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n}\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n}\n\n/**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\nfunction isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n}\n\n/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n}\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n}\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n}\n\n/**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n}\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n return nativeObjectToString.call(value);\n}\n\n/**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\nfunction overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n}\n\n/**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n}\n\n/**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\nvar setToString = shortOut(baseSetToString);\n\n/**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\nfunction shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n}\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n}\n\n/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n return value === other || (value !== value && other !== other);\n}\n\n/**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\nvar isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n};\n\n/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\n/**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\nfunction isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n}\n\n/**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\nfunction isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n}\n\n/**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\nvar isBuffer = nativeIsBuffer || stubFalse;\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n}\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n}\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n return value != null && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\nfunction isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n}\n\n/**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\nvar isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n/**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\nfunction toPlainObject(value) {\n return copyObject(value, keysIn(value));\n}\n\n/**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\nfunction keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n}\n\n/**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\nvar mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n});\n\n/**\n * Creates a function that returns `value`.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {*} value The value to return from the new function.\n * @returns {Function} Returns the new constant function.\n * @example\n *\n * var objects = _.times(2, _.constant({ 'a': 1 }));\n *\n * console.log(objects);\n * // => [{ 'a': 1 }, { 'a': 1 }]\n *\n * console.log(objects[0] === objects[1]);\n * // => true\n */\nfunction constant(value) {\n return function() {\n return value;\n };\n}\n\n/**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\nfunction identity(value) {\n return value;\n}\n\n/**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\nfunction stubFalse() {\n return false;\n}\n\nmodule.exports = mergeWith;\n","/**\n * @license\n * Lodash \n * Copyright OpenJS Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n\n /** Used as the semantic version number. */\n var VERSION = '4.17.21';\n\n /** Used as the size to enable large array optimizations. */\n var LARGE_ARRAY_SIZE = 200;\n\n /** Error message constants. */\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function',\n INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';\n\n /** Used to stand-in for `undefined` hash values. */\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n /** Used as the maximum memoize cache size. */\n var MAX_MEMOIZE_SIZE = 500;\n\n /** Used as the internal argument placeholder. */\n var PLACEHOLDER = '__lodash_placeholder__';\n\n /** Used to compose bitmasks for cloning. */\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n\n /** Used to compose bitmasks for value comparisons. */\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n /** Used to compose bitmasks for function metadata. */\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n\n /** Used as default options for `_.truncate`. */\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n /** Used to indicate the type of lazy iteratees. */\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n\n /** Used as references for various `Number` constants. */\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n\n /** Used as references for the maximum length and index of an array. */\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n /** Used to associate wrap methods with their bit flags. */\n var wrapFlags = [\n ['ary', WRAP_ARY_FLAG],\n ['bind', WRAP_BIND_FLAG],\n ['bindKey', WRAP_BIND_KEY_FLAG],\n ['curry', WRAP_CURRY_FLAG],\n ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n ['flip', WRAP_FLIP_FLAG],\n ['partial', WRAP_PARTIAL_FLAG],\n ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n ['rearg', WRAP_REARG_FLAG]\n ];\n\n /** `Object#toString` result references. */\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading whitespace. */\n var reTrimStart = /^\\s+/;\n\n /** Used to match a single whitespace character. */\n var reWhitespace = /\\s/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /**\n * Used to validate the `validate` option in `_.template` variable.\n *\n * Forbids characters which could potentially change the meaning of the function argument definition:\n * - \"(),\" (modification of function parameters)\n * - \"=\" (default value)\n * - \"[]{}\" (destructuring of function parameters)\n * - \"/\" (beginning of a comment)\n * - whitespace\n */\n var reForbiddenIdentifierChars = /[()=,{}\\[\\]\\/\\s]/;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.trim`.\n *\n * @private\n * @param {string} string The string to trim.\n * @returns {string} Returns the trimmed string.\n */\n function baseTrim(string) {\n return string\n ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')\n : string;\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n * character of `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the index of the last non-whitespace character.\n */\n function trimmedEndIndex(string) {\n var index = string.length;\n\n while (index-- && reWhitespace.test(string.charAt(index))) {}\n return index;\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n if (iteratees.length) {\n iteratees = arrayMap(iteratees, function(iteratee) {\n if (isArray(iteratee)) {\n return function(value) {\n return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n }\n }\n return iteratee;\n });\n } else {\n iteratees = [identity];\n }\n\n var index = -1;\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n return object;\n }\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n var low = 0,\n high = array == null ? 0 : array.length;\n if (high === 0) {\n return 0;\n }\n\n value = iteratee(value);\n var valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Check that cyclic values are equal.\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Check that cyclic values are equal.\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n *\n * // Combining several predicates using `_.overEvery` or `_.overSome`.\n * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n * // => objects for ['fred', 'barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 30 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '

' + func(text) + '

';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => '

fred, barney, & pebbles

'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = baseTrim(value);\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '