@ai-sdk/provider-utils
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{"version":3,"sources":["../../src/test/convert-array-to-async-iterable.ts","../../src/test/convert-array-to-readable-stream.ts","../../src/test/convert-async-iterable-to-array.ts","../../src/test/convert-readable-stream-to-array.ts","../../src/test/convert-response-stream-to-array.ts","../../src/test/is-node-version.ts","../../src/test/mock-id.ts","../../../../node_modules/.pnpm/outvariant@1.4.3/node_modules/outvariant/src/format.ts","../../../../node_modules/.pnpm/outvariant@1.4.3/node_modules/outvariant/src/invariant.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/devUtils.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/checkGlobals.ts","../../../../node_modules/.pnpm/strict-event-emitter@0.5.1/node_modules/strict-event-emitter/src/MemoryLeakError.ts","../../../../node_modules/.pnpm/strict-event-emitter@0.5.1/node_modules/strict-event-emitter/src/Emitter.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/pipeEvents.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/toReadonlyArray.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/Disposable.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/SetupApi.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/getCallFrame.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/isIterable.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/handlers/RequestHandler.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/internal/isStringEqual.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/logging/getStatusCodeColor.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/logging/getTimestamp.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/logging/serializeRequest.ts","../../../../node_modules/.pnpm/@bundled-es-modules+statuses@1.0.1/node_modules/@bundled-es-modules/statuses/index-esm.js","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/logging/serializeResponse.ts","../../../../node_modules/.pnpm/path-to-regexp@6.3.0/node_modules/path-to-regexp/src/index.ts","../../../../node_modules/.pnpm/is-node-process@1.2.0/node_modules/is-node-process/src/index.ts","../../../../node_modules/.pnpm/@open-draft+logger@0.3.0/node_modules/@open-draft/logger/lib/index.mjs","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/Interceptor.ts","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/createRequestId.ts","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/utils/fetchUtils.ts","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/BatchInterceptor.ts","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/utils/bufferUtils.ts","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/glossary.ts","../../../../node_modules/.pnpm/@mswjs+interceptors@0.37.5/node_modules/@mswjs/interceptors/src/utils/getCleanUrl.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/url/cleanUrl.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/url/isAbsoluteUrl.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/url/getAbsoluteUrl.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/matching/normalizePath.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/matching/matchRequestUrl.ts","../../../../node_modules/.pnpm/msw@2.7.0_@types+node@20.17.24_typescript@5.8.3/node_modules/msw/src/core/utils/request/toPublicUrl.ts","../../../../node_modules/.pnpm/@bundled-es-modules+cookie@2.0.1/node_modules/@bundled-es-modules/cookie/index-esm.js","../../../../node_modules/.pnpm/@bundled-es-modules+tough-cookie@0.1.6/node_modules/@bundled-es-modules/tough-cookie/index-esm.js","../../../../node_modules/.pnpm/msw@2.7.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function convertArrayToAsyncIterable<T>(values: T[]): AsyncIterable<T> {\n return {\n async *[Symbol.asyncIterator]() {\n for (const value of values) {\n yield value;\n }\n },\n };\n}\n","export function convertArrayToReadableStream<T>(\n values: T[],\n): ReadableStream<T> {\n return new ReadableStream({\n start(controller) {\n try {\n for (const value of values) {\n controller.enqueue(value);\n }\n } finally {\n controller.close();\n }\n },\n });\n}\n","export async function convertAsyncIterableToArray<T>(\n iterable: AsyncIterable<T>,\n): Promise<T[]> {\n const result: T[] = [];\n for await (const item of iterable) {\n result.push(item);\n }\n return result;\n}\n","export async function convertReadableStreamToArray<T>(\n stream: ReadableStream<T>,\n): Promise<T[]> {\n const reader = stream.getReader();\n const result: T[] = [];\n\n while (true) {\n const { done, value } = await reader.read();\n if (done) break;\n result.push(value);\n }\n\n return result;\n}\n","import { convertReadableStreamToArray } from './convert-readable-stream-to-array';\n\nexport async function convertResponseStreamToArray(\n response: Response,\n): Promise<string[]> {\n return convertReadableStreamToArray(\n response.body!.pipeThrough(new TextDecoderStream()),\n );\n}\n","export function isNodeVersion(version: number) {\n const nodeMajorVersion = parseInt(process.version.slice(1).split('.')[0], 10);\n return nodeMajorVersion === version;\n}\n","export function mockId({\n prefix = 'id',\n}: {\n prefix?: string;\n} = {}): () => string {\n let counter = 0;\n return () => `${prefix}-${counter++}`;\n}\n","const POSITIONALS_EXP = /(%?)(%([sdijo]))/g\n\nfunction serializePositional(positional: any, flag: string): any {\n switch (flag) {\n // Strings.\n case 's':\n return positional\n\n // Digits.\n case 'd':\n case 'i':\n return Number(positional)\n\n // JSON.\n case 'j':\n return JSON.stringify(positional)\n\n // Objects.\n case 'o': {\n // Preserve stings to prevent extra quotes around them.\n if (typeof positional === 'string') {\n return positional\n }\n\n const json = JSON.stringify(positional)\n\n // If the positional isn't serializable, return it as-is.\n if (json === '{}' || json === '[]' || /^\\[object .+?\\]$/.test(json)) {\n return positional\n }\n\n return json\n }\n }\n}\n\nexport function format(message: string, ...positionals: any[]): string {\n if (positionals.length === 0) {\n return message\n }\n\n let positionalIndex = 0\n let formattedMessage = message.replace(\n POSITIONALS_EXP,\n (match, isEscaped, _, flag) => {\n const positional = positionals[positionalIndex]\n const value = serializePositional(positional, flag)\n\n if (!isEscaped) {\n positionalIndex++\n return value\n }\n\n return match\n }\n )\n\n // Append unresolved positionals to string as-is.\n if (positionalIndex < positionals.length) {\n formattedMessage += ` ${positionals.slice(positionalIndex).join(' ')}`\n }\n\n formattedMessage = formattedMessage.replace(/%{2,2}/g, '%')\n\n return formattedMessage\n}\n","import { format } from './format'\n\nconst STACK_FRAMES_TO_IGNORE = 2\n\n/**\n * Remove the \"outvariant\" package trace from the given error.\n * This scopes down the error stack to the relevant parts\n * when used in other applications.\n */\nfunction cleanErrorStack(error: Error): void {\n if (!error.stack) {\n return\n }\n\n const nextStack = error.stack.split('\\n')\n nextStack.splice(1, STACK_FRAMES_TO_IGNORE)\n error.stack = nextStack.join('\\n')\n}\n\nexport class InvariantError extends Error {\n name = 'Invariant Violation'\n\n constructor(public readonly message: string, ...positionals: any[]) {\n super(message)\n this.message = format(message, ...positionals)\n cleanErrorStack(this)\n }\n}\n\nexport interface CustomErrorConstructor {\n new (message: string): Error\n}\n\nexport interface CustomErrorFactory {\n (message: string): Error\n}\n\nexport type CustomError = CustomErrorConstructor | CustomErrorFactory\n\ntype Invariant = {\n (\n predicate: unknown,\n message: string,\n ...positionals: any[]\n ): asserts predicate\n\n as(\n ErrorConstructor: CustomError,\n predicate: unknown,\n message: string,\n ...positionals: unknown[]\n ): asserts predicate\n}\n\nexport const invariant: Invariant = (\n predicate,\n message,\n ...positionals\n): asserts predicate => {\n if (!predicate) {\n throw new InvariantError(message, ...positionals)\n }\n}\n\ninvariant.as = (ErrorConstructor, predicate, message, ...positionals) => {\n if (!predicate) {\n const formatMessage =\n positionals.length === 0 ? message : format(message, ...positionals)\n let error: Error\n\n try {\n error = Reflect.construct(ErrorConstructor as CustomErrorConstructor, [\n formatMessage,\n ])\n } catch (err) {\n error = (ErrorConstructor as CustomErrorFactory)(formatMessage)\n }\n\n throw error\n }\n}\n","import { format } from 'outvariant'\n\nconst LIBRARY_PREFIX = '[MSW]'\n\n/**\n * Formats a given message by appending the library's prefix string.\n */\nfunction formatMessage(message: string, ...positionals: any[]): string {\n const interpolatedMessage = format(message, ...positionals)\n return `${LIBRARY_PREFIX} ${interpolatedMessage}`\n}\n\n/**\n * Prints a library-specific warning.\n */\nfunction warn(message: string, ...positionals: any[]): void {\n // eslint-disable-next-line no-console\n console.warn(formatMessage(message, ...positionals))\n}\n\n/**\n * Prints a library-specific error.\n */\nfunction error(message: string, ...positionals: any[]): void {\n // eslint-disable-next-line no-console\n console.error(formatMessage(message, ...positionals))\n}\n\nexport const devUtils = {\n formatMessage,\n warn,\n error,\n}\n\n/**\n * Internal error instance.\n * Used to differentiate the library errors that must be forwarded\n * to the user from the unhandled exceptions. Use this if you don't\n * wish for the error to be coerced to a 500 fallback response.\n */\nexport class InternalError extends Error {\n constructor(message: string) {\n super(message)\n this.name = 'InternalError'\n }\n}\n","import { invariant } from 'outvariant'\nimport { devUtils } from './devUtils'\n\nexport function checkGlobals() {\n /**\n * MSW expects the \"URL\" constructor to be defined.\n * It's not present in React Native so suggest a polyfill\n * instead of failing silently.\n * @see https://github.com/mswjs/msw/issues/1408\n */\n invariant(\n typeof URL !== 'undefined',\n devUtils.formatMessage(\n `Global \"URL\" class is not defined. This likely means that you're running MSW in an environment that doesn't support all Node.js standard API (e.g. React Native). If that's the case, please use an appropriate polyfill for the \"URL\" class, like \"react-native-url-polyfill\".`,\n ),\n )\n}\n","import type { Emitter } from './Emitter'\n\nexport class MemoryLeakError extends Error {\n constructor(\n public readonly emitter: Emitter<any>,\n public readonly type: string | number | symbol,\n public readonly count: number\n ) {\n super(\n `Possible EventEmitter memory leak detected. ${count} ${type.toString()} listeners added. Use emitter.setMaxListeners() to increase limit`\n )\n this.name = 'MaxListenersExceededWarning'\n }\n}\n","import { MemoryLeakError } from './MemoryLeakError'\n\nexport type EventMap = {\n [eventName: string]: Array<unknown>\n}\n\nexport type InternalEventNames = 'newListener' | 'removeListener'\n\nexport type InternalListener<Events extends EventMap> = Listener<\n [eventName: keyof Events, listener: Listener<Array<unknown>>]\n>\n\nexport type Listener<Data extends Array<unknown>> = (...data: Data) => void\n\n/**\n * Node.js-compatible implementation of `EventEmitter`.\n *\n * @example\n * const emitter = new Emitter<{ hello: [string] }>()\n * emitter.on('hello', (name) => console.log(name))\n * emitter.emit('hello', 'John')\n */\nexport class Emitter<Events extends EventMap> {\n private events: Map<keyof Events, Array<Listener<any>>>\n private maxListeners: number\n private hasWarnedAboutPotentialMemoryLeak: boolean\n\n static defaultMaxListeners = 10\n\n static listenerCount<Events extends EventMap>(\n emitter: Emitter<EventMap>,\n eventName: keyof Events\n ): number {\n return emitter.listenerCount<any>(eventName)\n }\n\n constructor() {\n this.events = new Map()\n this.maxListeners = Emitter.defaultMaxListeners\n this.hasWarnedAboutPotentialMemoryLeak = false\n }\n\n private _emitInternalEvent(\n internalEventName: InternalEventNames,\n eventName: keyof Events,\n listener: Listener<Array<unknown>>\n ): void {\n this.emit(\n internalEventName,\n // Anything to make TypeScript happy.\n ...([eventName, listener] as Events['newListener'] &\n Events['removeListener'])\n )\n }\n\n private _getListeners<EventName extends keyof Events>(\n eventName: EventName\n ): Array<Listener<Array<unknown>>> {\n // Always return a copy of the listeners array\n // so they are fixed at the time of the \"_getListeners\" call.\n return Array.prototype.concat.apply([], this.events.get(eventName)) || []\n }\n\n private _removeListener<EventName extends keyof Events>(\n listeners: Array<Listener<Events[EventName]>>,\n listener: Listener<Events[EventName]>\n ): Array<Listener<Events[EventName]>> {\n const index = listeners.indexOf(listener)\n\n if (index > -1) {\n listeners.splice(index, 1)\n }\n\n return []\n }\n\n private _wrapOnceListener<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): Listener<Events[EventName]> {\n const onceListener = (...data: Events[keyof Events]) => {\n this.removeListener(eventName, onceListener)\n\n /**\n * @note Return the result of the original listener.\n * This way this wrapped preserves listeners that are async.\n */\n return listener.apply(this, data)\n }\n\n // Inherit the name of the original listener.\n Object.defineProperty(onceListener, 'name', { value: listener.name })\n\n return onceListener\n }\n\n public setMaxListeners(maxListeners: number): this {\n this.maxListeners = maxListeners\n return this\n }\n\n /**\n * Returns the current max listener value for the `Emitter` which is\n * either set by `emitter.setMaxListeners(n)` or defaults to\n * `Emitter.defaultMaxListeners`.\n */\n public getMaxListeners(): number {\n return this.maxListeners\n }\n\n /**\n * Returns an array listing the events for which the emitter has registered listeners.\n * The values in the array will be strings or Symbols.\n */\n public eventNames(): Array<keyof Events> {\n return Array.from(this.events.keys())\n }\n\n /**\n * Synchronously calls each of the listeners registered for the event named `eventName`,\n * in the order they were registered, passing the supplied arguments to each.\n * Returns `true` if the event has listeners, `false` otherwise.\n *\n * @example\n * const emitter = new Emitter<{ hello: [string] }>()\n * emitter.emit('hello', 'John')\n */\n public emit<EventName extends keyof Events>(\n eventName: EventName,\n ...data: Events[EventName]\n ): boolean {\n const listeners = this._getListeners(eventName)\n listeners.forEach((listener) => {\n listener.apply(this, data)\n })\n\n return listeners.length > 0\n }\n\n public addListener(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public addListener<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n public addListener(\n eventName: InternalEventNames | keyof Events,\n listener: InternalListener<Events> | Listener<Events[any]>\n ): this {\n // Emit the `newListener` event before adding the listener.\n this._emitInternalEvent('newListener', eventName, listener)\n\n const nextListeners = this._getListeners(eventName).concat(listener)\n this.events.set(eventName, nextListeners)\n\n if (\n this.maxListeners > 0 &&\n this.listenerCount(eventName) > this.maxListeners &&\n !this.hasWarnedAboutPotentialMemoryLeak\n ) {\n this.hasWarnedAboutPotentialMemoryLeak = true\n\n const memoryLeakWarning = new MemoryLeakError(\n this,\n eventName,\n this.listenerCount(eventName)\n )\n console.warn(memoryLeakWarning)\n }\n\n return this\n }\n\n public on(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public on<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n public on<EventName extends keyof Events>(\n eventName: 'removeListener' | EventName,\n listener: Listener<any>\n ): this {\n return this.addListener(eventName, listener)\n }\n\n public once(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public once<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n public once<EventName extends keyof Events>(\n eventName: InternalEventNames | EventName,\n listener: Listener<any>\n ): this {\n return this.addListener(\n eventName,\n this._wrapOnceListener(eventName, listener)\n )\n }\n\n public prependListener(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public prependListener<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n public prependListener(\n eventName: InternalEventNames | keyof Events,\n listener: Listener<any>\n ): this {\n const listeners = this._getListeners(eventName)\n\n if (listeners.length > 0) {\n const nextListeners = [listener].concat(listeners)\n this.events.set(eventName, nextListeners)\n } else {\n this.events.set(eventName, listeners.concat(listener))\n }\n\n return this\n }\n\n public prependOnceListener(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public prependOnceListener<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n public prependOnceListener(\n eventName: InternalEventNames | keyof Events,\n listener: Listener<any>\n ): this {\n return this.prependListener(\n eventName,\n this._wrapOnceListener(eventName, listener)\n )\n }\n\n public removeListener(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public removeListener<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n public removeListener(\n eventName: InternalEventNames | keyof Events,\n listener: Listener<any>\n ): this {\n const listeners = this._getListeners(eventName)\n\n if (listeners.length > 0) {\n this._removeListener(listeners, listener)\n this.events.set(eventName, listeners)\n\n // Emit the `removeListener` event after removing the listener.\n this._emitInternalEvent('removeListener', eventName, listener)\n }\n\n return this\n }\n\n public off(\n eventName: InternalEventNames,\n listener: InternalListener<Events>\n ): this\n public off<EventName extends keyof Events>(\n eventName: EventName,\n listener: Listener<Events[EventName]>\n ): this\n /**\n * Alias for `emitter.removeListener()`.\n *\n * @example\n * emitter.off('hello', listener)\n */\n public off(\n eventName: InternalEventNames | keyof Events,\n listener: Listener<any>\n ): this {\n return this.removeListener(eventName, listener)\n }\n\n public removeAllListeners(eventName?: InternalEventNames): this\n public removeAllListeners<EventName extends keyof Events>(\n eventName?: EventName\n ): this\n public removeAllListeners(\n eventName?: InternalEventNames | keyof Events\n ): this {\n if (eventName) {\n this.events.delete(eventName)\n } else {\n this.events.clear()\n }\n\n return this\n }\n\n public listeners(eventName: InternalEventNames): Array<Listener<any>>\n public listeners<EventName extends keyof Events>(\n eventName: EventName\n ): Array<Listener<Events[EventName]>>\n /**\n * Returns a copy of the array of listeners for the event named `eventName`.\n */\n public listeners(eventName: InternalEventNames | keyof Events) {\n return Array.from(this._getListeners(eventName))\n }\n\n public listenerCount(eventName: InternalEventNames): number\n public listenerCount<EventName extends keyof Events>(\n eventName: EventName\n ): number\n /**\n * Returns the number of listeners listening to the event named `eventName`.\n */\n public listenerCount(eventName: InternalEventNames | keyof Events): number {\n return this._getListeners(eventName).length\n }\n\n public rawListeners<EventName extends keyof Events>(\n eventName: EventName\n ): Array<Listener<Events[EventName]>> {\n return this.listeners(eventName)\n }\n}\n","import { Emitter, EventMap } from 'strict-event-emitter'\n\n/**\n * Pipes all emitted events from one emitter to another.\n */\nexport function pipeEvents<Events extends EventMap>(\n source: Emitter<Events>,\n destination: Emitter<Events>,\n): void {\n const rawEmit: typeof source.emit & { _isPiped?: boolean } = source.emit\n\n if (rawEmit._isPiped) {\n return\n }\n\n const sourceEmit: typeof source.emit & { _isPiped?: boolean } =\n function sourceEmit(this: typeof source, event, ...data) {\n destination.emit(event, ...data)\n return rawEmit.call(this, event, ...data)\n }\n\n sourceEmit._isPiped = true\n\n source.emit = sourceEmit\n}\n","/**\n * Creates an immutable copy of the given array.\n */\nexport function toReadonlyArray<T>(source: Array<T>): ReadonlyArray<T> {\n const clone = [...source] as Array<T>\n Object.freeze(clone)\n return clone\n}\n","export type DisposableSubscription = () => void\n\nexport class Disposable {\n protected subscriptions: Array<DisposableSubscription> = []\n\n public dispose() {\n let subscription: DisposableSubscription | undefined\n while ((subscription = this.subscriptions.shift())) {\n subscription()\n }\n }\n}\n","import { invariant } from 'outvariant'\nimport { EventMap, Emitter } from 'strict-event-emitter'\nimport { RequestHandler } from './handlers/RequestHandler'\nimport { LifeCycleEventEmitter } from './sharedOptions'\nimport { devUtils } from './utils/internal/devUtils'\nimport { pipeEvents } from './utils/internal/pipeEvents'\nimport { toReadonlyArray } from './utils/internal/toReadonlyArray'\nimport { Disposable } from './utils/internal/Disposable'\nimport type { WebSocketHandler } from './handlers/WebSocketHandler'\n\nexport abstract class HandlersController {\n abstract prepend(\n runtimeHandlers: Array<RequestHandler | WebSocketHandler>,\n ): void\n abstract reset(nextHandles: Array<RequestHandler | WebSocketHandler>): void\n abstract currentHandlers(): Array<RequestHandler | WebSocketHandler>\n}\n\nexport class InMemoryHandlersController implements HandlersController {\n private handlers: Array<RequestHandler | WebSocketHandler>\n\n constructor(\n private initialHandlers: Array<RequestHandler | WebSocketHandler>,\n ) {\n this.handlers = [...initialHandlers]\n }\n\n public prepend(\n runtimeHandles: Array<RequestHandler | WebSocketHandler>,\n ): void {\n this.handlers.unshift(...runtimeHandles)\n }\n\n public reset(nextHandlers: Array<RequestHandler | WebSocketHandler>): void {\n this.handlers =\n nextHandlers.length > 0 ? [...nextHandlers] : [...this.initialHandlers]\n }\n\n public currentHandlers(): Array<RequestHandler | WebSocketHandler> {\n return this.handlers\n }\n}\n\n/**\n * Generic class for the mock API setup.\n */\nexport abstract class SetupApi<EventsMap extends EventMap> extends Disposable {\n protected handlersController: HandlersController\n protected readonly emitter: Emitter<EventsMap>\n protected readonly publicEmitter: Emitter<EventsMap>\n\n public readonly events: LifeCycleEventEmitter<EventsMap>\n\n constructor(...initialHandlers: Array<RequestHandler | WebSocketHandler>) {\n super()\n\n invariant(\n this.validateHandlers(initialHandlers),\n devUtils.formatMessage(\n `Failed to apply given request handlers: invalid input. Did you forget to spread the request handlers Array?`,\n ),\n )\n\n this.handlersController = new InMemoryHandlersController(initialHandlers)\n\n this.emitter = new Emitter<EventsMap>()\n this.publicEmitter = new Emitter<EventsMap>()\n pipeEvents(this.emitter, this.publicEmitter)\n\n this.events = this.createLifeCycleEvents()\n\n this.subscriptions.push(() => {\n this.emitter.removeAllListeners()\n this.publicEmitter.removeAllListeners()\n })\n }\n\n private validateHandlers(handlers: ReadonlyArray<unknown>): boolean {\n // Guard against incorrect call signature of the setup API.\n return handlers.every((handler) => !Array.isArray(handler))\n }\n\n public use(\n ...runtimeHandlers: Array<RequestHandler | WebSocketHandler>\n ): void {\n invariant(\n this.validateHandlers(runtimeHandlers),\n devUtils.formatMessage(\n `Failed to call \"use()\" with the given request handlers: invalid input. Did you forget to spread the array of request handlers?`,\n ),\n )\n\n this.handlersController.prepend(runtimeHandlers)\n }\n\n public restoreHandlers(): void {\n this.handlersController.currentHandlers().forEach((handler) => {\n if ('isUsed' in handler) {\n handler.isUsed = false\n }\n })\n }\n\n public resetHandlers(\n ...nextHandlers: Array<RequestHandler | WebSocketHandler>\n ): void {\n this.handlersController.reset(nextHandlers)\n }\n\n public listHandlers(): ReadonlyArray<RequestHandler | WebSocketHandler> {\n return toReadonlyArray(this.handlersController.currentHandlers())\n }\n\n private createLifeCycleEvents(): LifeCycleEventEmitter<EventsMap> {\n return {\n on: (...args: any[]) => {\n return (this.publicEmitter.on as any)(...args)\n },\n removeListener: (...args: any[]) => {\n return (this.publicEmitter.removeListener as any)(...args)\n },\n removeAllListeners: (...args: any[]) => {\n return this.publicEmitter.removeAllListeners(...args)\n },\n }\n }\n}\n","// Ignore the source files traces for local testing.\nconst SOURCE_FRAME = /[\\/\\\\]msw[\\/\\\\]src[\\/\\\\](.+)/\n\nconst BUILD_FRAME =\n /(node_modules)?[\\/\\\\]lib[\\/\\\\](core|browser|node|native|iife)[\\/\\\\]|^[^\\/\\\\]*$/\n\n/**\n * Return the stack trace frame of a function's invocation.\n */\nexport function getCallFrame(error: Error) {\n // In <IE11, new Error may return an undefined stack\n const stack = error.stack\n\n if (!stack) {\n return\n }\n\n const frames: string[] = stack.split('\\n').slice(1)\n\n // Get the first frame that doesn't reference the library's internal trace.\n // Assume that frame is the invocation frame.\n const declarationFrame = frames.find((frame) => {\n return !(SOURCE_FRAME.test(frame) || BUILD_FRAME.test(frame))\n })\n\n if (!declarationFrame) {\n return\n }\n\n // Extract file reference from the stack frame.\n const declarationPath = declarationFrame\n .replace(/\\s*at [^()]*\\(([^)]+)\\)/, '$1')\n .replace(/^@/, '')\n return declarationPath\n}\n","/**\n * This is the same as TypeScript's `Iterable`, but with all three type parameters.\n * @todo Remove once TypeScript 5.6 is the minimum.\n */\nexport interface Iterable<T, TReturn, TNext> {\n [Symbol.iterator](): Iterator<T, TReturn, TNext>\n}\n\n/**\n * This is the same as TypeScript's `AsyncIterable`, but with all three type parameters.\n * @todo Remove once TypeScript 5.6 is the minimum.\n */\nexport interface AsyncIterable<T, TReturn, TNext> {\n [Symbol.asyncIterator](): AsyncIterator<T, TReturn, TNext>\n}\n\n/**\n * Determines if the given function is an iterator.\n */\nexport function isIterable<IteratorType>(\n fn: any,\n): fn is\n | Iterable<IteratorType, IteratorType, IteratorType>\n | AsyncIterable<IteratorType, IteratorType, IteratorType> {\n if (!fn) {\n return false\n }\n\n return (\n Reflect.has(fn, Symbol.iterator) || Reflect.has(fn, Symbol.asyncIterator)\n )\n}\n","import { getCallFrame } from '../utils/internal/getCallFrame'\nimport {\n AsyncIterable,\n Iterable,\n isIterable,\n} from '../utils/internal/isIterable'\nimport type { ResponseResolutionContext } from '../utils/executeHandlers'\nimport type { MaybePromise } from '../typeUtils'\nimport { StrictRequest, StrictResponse } from '..//HttpResponse'\nimport type { HandlerKind } from './common'\n\nexport type DefaultRequestMultipartBody = Record<\n string,\n string | File | Array<string | File>\n>\n\nexport type DefaultBodyType =\n | Record<string, any>\n | DefaultRequestMultipartBody\n | string\n | number\n | boolean\n | null\n | undefined\n\nexport type JsonBodyType =\n | Record<string, any>\n | string\n | number\n | boolean\n | null\n | undefined\n\nexport interface RequestHandlerDefaultInfo {\n header: string\n}\n\nexport interface RequestHandlerInternalInfo {\n callFrame?: string\n}\n\nexport type ResponseResolverReturnType<\n ResponseBodyType extends DefaultBodyType = undefined,\n> =\n | ([ResponseBodyType] extends [undefined]\n ? Response\n : StrictResponse<ResponseBodyType>)\n | undefined\n | void\n\nexport type MaybeAsyncResponseResolverReturnType<\n ResponseBodyType extends DefaultBodyType,\n> = MaybePromise<ResponseResolverReturnType<ResponseBodyType>>\n\nexport type AsyncResponseResolverReturnType<\n ResponseBodyType extends DefaultBodyType,\n> = MaybePromise<\n | ResponseResolverReturnType<ResponseBodyType>\n | Iterable<\n MaybeAsyncResponseResolverReturnType<ResponseBodyType>,\n MaybeAsyncResponseResolverReturnType<ResponseBodyType>,\n MaybeAsyncResponseResolverReturnType<ResponseBodyType>\n >\n | AsyncIterable<\n MaybeAsyncResponseResolverReturnType<ResponseBodyType>,\n MaybeAsyncResponseResolverReturnType<ResponseBodyType>,\n MaybeAsyncResponseResolverReturnType<ResponseBodyType>\n >\n>\n\nexport type ResponseResolverInfo<\n ResolverExtraInfo extends Record<string, unknown>,\n RequestBodyType extends DefaultBodyType = DefaultBodyType,\n> = {\n request: StrictRequest<RequestBodyType>\n requestId: string\n} & ResolverExtraInfo\n\nexport type ResponseResolver<\n ResolverExtraInfo extends Record<string, unknown> = Record<string, unknown>,\n RequestBodyType extends DefaultBodyType = DefaultBodyType,\n ResponseBodyType extends DefaultBodyType = undefined,\n> = (\n info: ResponseResolverInfo<ResolverExtraInfo, RequestBodyType>,\n) => AsyncResponseResolverReturnType<ResponseBodyType>\n\nexport interface RequestHandlerArgs<\n HandlerInfo,\n HandlerOptions extends RequestHandlerOptions,\n> {\n info: HandlerInfo\n resolver: ResponseResolver<any>\n options?: HandlerOptions\n}\n\nexport interface RequestHandlerOptions {\n once?: boolean\n}\n\nexport interface RequestHandlerExecutionResult<\n ParsedResult extends Record<string, unknown> | undefined,\n> {\n handler: RequestHandler\n parsedResult?: ParsedResult\n request: Request\n requestId: string\n response?: Response\n}\n\nexport abstract class RequestHandler<\n HandlerInfo extends RequestHandlerDefaultInfo = RequestHandlerDefaultInfo,\n ParsedResult extends Record<string, any> | undefined = any,\n ResolverExtras extends Record<string, unknown> = any,\n HandlerOptions extends RequestHandlerOptions = RequestHandlerOptions,\n> {\n static cache = new WeakMap<\n StrictRequest<DefaultBodyType>,\n StrictRequest<DefaultBodyType>\n >()\n\n private readonly __kind: HandlerKind\n\n public info: HandlerInfo & RequestHandlerInternalInfo\n /**\n * Indicates whether this request handler has been used\n * (its resolver has successfully executed).\n */\n public isUsed: boolean\n\n protected resolver: ResponseResolver<ResolverExtras, any, any>\n private resolverIterator?:\n | Iterator<\n MaybeAsyncResponseResolverReturnType<any>,\n MaybeAsyncResponseResolverReturnType<any>,\n MaybeAsyncResponseResolverReturnType<any>\n >\n | AsyncIterator<\n MaybeAsyncResponseResolverReturnType<any>,\n MaybeAsyncResponseResolverReturnType<any>,\n MaybeAsyncResponseResolverReturnType<any>\n >\n private resolverIteratorResult?: Response | StrictResponse<any>\n private options?: HandlerOptions\n\n constructor(args: RequestHandlerArgs<HandlerInfo, HandlerOptions>) {\n this.resolver = args.resolver\n this.options = args.options\n\n const callFrame = getCallFrame(new Error())\n\n this.info = {\n ...args.info,\n callFrame,\n }\n\n this.isUsed = false\n this.__kind = 'RequestHandler'\n }\n\n /**\n * Determine if the intercepted request should be mocked.\n */\n abstract predicate(args: {\n request: Request\n parsedResult: ParsedResult\n resolutionContext?: ResponseResolutionContext\n }): boolean\n\n /**\n * Print out the successfully handled request.\n */\n abstract log(args: {\n request: Request\n response: Response\n parsedResult: ParsedResult\n }): void\n\n /**\n * Parse the intercepted request to extract additional information from it.\n * Parsed result is then exposed to other methods of this request handler.\n */\n async parse(_args: {\n request: Request\n resolutionContext?: ResponseResolutionContext\n }): Promise<ParsedResult> {\n return {} as ParsedResult\n }\n\n /**\n * Test if this handler matches the given request.\n *\n * This method is not used internally but is exposed\n * as a convenience method for consumers writing custom\n * handlers.\n */\n public async test(args: {\n request: Request\n resolutionContext?: ResponseResolutionContext\n }): Promise<boolean> {\n const parsedResult = await this.parse({\n request: args.request,\n resolutionContext: args.resolutionContext,\n })\n\n return this.predicate({\n request: args.request,\n parsedResult,\n resolutionContext: args.resolutionContext,\n })\n }\n\n protected extendResolverArgs(_args: {\n request: Request\n parsedResult: ParsedResult\n }): ResolverExtras {\n return {} as ResolverExtras\n }\n\n // Clone the request instance before it's passed to the handler phases\n // and the response resolver so we can always read it for logging.\n // We only clone it once per request to avoid unnecessary overhead.\n private cloneRequestOrGetFromCache(\n request: StrictRequest<DefaultBodyType>,\n ): StrictRequest<DefaultBodyType> {\n const existingClone = RequestHandler.cache.get(request)\n\n if (typeof existingClone !== 'undefined') {\n return existingClone\n }\n\n const clonedRequest = request.clone()\n RequestHandler.cache.set(request, clonedRequest)\n\n return clonedRequest\n }\n\n /**\n * Execute this request handler and produce a mocked response\n * using the given resolver function.\n */\n public async run(args: {\n request: StrictRequest<any>\n requestId: string\n resolutionContext?: ResponseResolutionContext\n }): Promise<RequestHandlerExecutionResult<ParsedResult> | null> {\n if (this.isUsed && this.options?.once) {\n return null\n }\n\n // Clone the request.\n // If this is the first time MSW handles this request, a fresh clone\n // will be created and cached. Upon further handling of the same request,\n // the request clone from the cache will be reused to prevent abundant\n // \"abort\" listeners and save up resources on cloning.\n const requestClone = this.cloneRequestOrGetFromCache(args.request)\n\n const parsedResult = await this.parse({\n request: args.request,\n resolutionContext: args.resolutionContext,\n })\n const shouldInterceptRequest = this.predicate({\n request: args.request,\n parsedResult,\n resolutionContext: args.resolutionContext,\n })\n\n if (!shouldInterceptRequest) {\n return null\n }\n\n // Re-check isUsed, in case another request hit this handler while we were\n // asynchronously parsing the request.\n if (this.isUsed && this.options?.once) {\n return null\n }\n\n // Preemptively mark the handler as used.\n // Generators will undo this because only when the resolver reaches the\n // \"done\" state of the generator that it considers the handler used.\n this.isUsed = true\n\n // Create a response extraction wrapper around the resolver\n // since it can be both an async function and a generator.\n const executeResolver = this.wrapResolver(this.resolver)\n\n const resolverExtras = this.extendResolverArgs({\n request: args.request,\n