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{"version":3,"file":"index.js","sources":["../src/AbortSignal.ts","../src/AbortController.ts"],"sourcesContent":["// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\n\n// eslint-disable-next-line @typescript-eslint/triple-slash-reference\n/// <reference path=\"../shims-public.d.ts\" />\n\ntype AbortEventListener = (this: AbortSignalLike, ev?: any) => any;\n\nconst listenersMap = new WeakMap<AbortSignal, AbortEventListener[]>();\nconst abortedMap = new WeakMap<AbortSignal, boolean>();\n\n/**\n * Allows the request to be aborted upon firing of the \"abort\" event.\n * Compatible with the browser built-in AbortSignal and common polyfills.\n */\nexport interface AbortSignalLike {\n /**\n * Indicates if the signal has already been aborted.\n */\n readonly aborted: boolean;\n /**\n * Add new \"abort\" event listener, only support \"abort\" event.\n */\n addEventListener(\n type: \"abort\",\n listener: (this: AbortSignalLike, ev: any) => any,\n options?: any\n ): void;\n /**\n * Remove \"abort\" event listener, only support \"abort\" event.\n */\n removeEventListener(\n type: \"abort\",\n listener: (this: AbortSignalLike, ev: any) => any,\n options?: any\n ): void;\n}\n\n/**\n * An aborter instance implements AbortSignal interface, can abort HTTP requests.\n *\n * - Call AbortSignal.none to create a new AbortSignal instance that cannot be cancelled.\n * Use `AbortSignal.none` when you are required to pass a cancellation token but the operation\n * cannot or will not ever be cancelled.\n *\n * @example\n * Abort without timeout\n * ```ts\n * await doAsyncWork(AbortSignal.none);\n * ```\n */\nexport class AbortSignal implements AbortSignalLike {\n constructor() {\n listenersMap.set(this, []);\n abortedMap.set(this, false);\n }\n\n /**\n * Status of whether aborted or not.\n *\n * @readonly\n */\n public get aborted(): boolean {\n if (!abortedMap.has(this)) {\n throw new TypeError(\"Expected `this` to be an instance of AbortSignal.\");\n }\n\n return abortedMap.get(this)!;\n }\n\n /**\n * Creates a new AbortSignal instance that will never be aborted.\n *\n * @readonly\n */\n public static get none(): AbortSignal {\n return new AbortSignal();\n }\n\n /**\n * onabort event listener.\n */\n public onabort: ((ev?: Event) => any) | null = null;\n\n /**\n * Added new \"abort\" event listener, only support \"abort\" event.\n *\n * @param _type - Only support \"abort\" event\n * @param listener - The listener to be added\n */\n public addEventListener(\n // tslint:disable-next-line:variable-name\n _type: \"abort\",\n listener: (this: AbortSignalLike, ev: any) => any\n ): void {\n if (!listenersMap.has(this)) {\n throw new TypeError(\"Expected `this` to be an instance of AbortSignal.\");\n }\n\n const listeners = listenersMap.get(this)!;\n listeners.push(listener);\n }\n\n /**\n * Remove \"abort\" event listener, only support \"abort\" event.\n *\n * @param _type - Only support \"abort\" event\n * @param listener - The listener to be removed\n */\n public removeEventListener(\n // tslint:disable-next-line:variable-name\n _type: \"abort\",\n listener: (this: AbortSignalLike, ev: any) => any\n ): void {\n if (!listenersMap.has(this)) {\n throw new TypeError(\"Expected `this` to be an instance of AbortSignal.\");\n }\n\n const listeners = listenersMap.get(this)!;\n\n const index = listeners.indexOf(listener);\n if (index > -1) {\n listeners.splice(index, 1);\n }\n }\n\n /**\n * Dispatches a synthetic event to the AbortSignal.\n */\n dispatchEvent(_event: Event): boolean {\n throw new Error(\n \"This is a stub dispatchEvent implementation that should not be used. It only exists for type-checking purposes.\"\n );\n }\n}\n\n/**\n * Helper to trigger an abort event immediately, the onabort and all abort event listeners will be triggered.\n * Will try to trigger abort event for all linked AbortSignal nodes.\n *\n * - If ther
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