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711 lines
22 KiB
TypeScript
711 lines
22 KiB
TypeScript
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any, no-var */
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/// <reference no-default-lib="true" />
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/// <reference lib="esnext" />
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interface DomIterable<K, V> {
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keys(): IterableIterator<K>;
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values(): IterableIterator<V>;
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entries(): IterableIterator<[K, V]>;
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[Symbol.iterator](): IterableIterator<[K, V]>;
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forEach(
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callback: (value: V, key: K, parent: this) => void,
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thisArg?: any,
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): void;
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}
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interface ReadableStreamReadDoneResult<T> {
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done: true;
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value?: T;
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}
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interface ReadableStreamReadValueResult<T> {
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done: false;
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value: T;
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}
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type ReadableStreamReadResult<T> =
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| ReadableStreamReadValueResult<T>
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| ReadableStreamReadDoneResult<T>;
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interface ReadableStreamDefaultReader<R = any> {
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readonly closed: Promise<void>;
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cancel(reason?: any): Promise<void>;
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read(): Promise<ReadableStreamReadResult<R>>;
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releaseLock(): void;
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}
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interface ReadableStreamReader<R = any> {
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cancel(): Promise<void>;
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read(): Promise<ReadableStreamReadResult<R>>;
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releaseLock(): void;
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}
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interface ReadableByteStreamControllerCallback {
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(controller: ReadableByteStreamController): void | PromiseLike<void>;
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}
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interface UnderlyingByteSource {
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autoAllocateChunkSize?: number;
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cancel?: ReadableStreamErrorCallback;
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pull?: ReadableByteStreamControllerCallback;
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start?: ReadableByteStreamControllerCallback;
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type: "bytes";
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}
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interface UnderlyingSource<R = any> {
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cancel?: ReadableStreamErrorCallback;
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pull?: ReadableStreamDefaultControllerCallback<R>;
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start?: ReadableStreamDefaultControllerCallback<R>;
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type?: undefined;
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}
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interface ReadableStreamErrorCallback {
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(reason: any): void | PromiseLike<void>;
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}
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interface ReadableStreamDefaultControllerCallback<R> {
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(controller: ReadableStreamDefaultController<R>): void | PromiseLike<void>;
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}
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interface ReadableStreamDefaultController<R = any> {
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readonly desiredSize: number | null;
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close(): void;
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enqueue(chunk: R): void;
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error(error?: any): void;
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}
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interface ReadableByteStreamController {
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readonly byobRequest: undefined;
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readonly desiredSize: number | null;
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close(): void;
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enqueue(chunk: ArrayBufferView): void;
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error(error?: any): void;
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}
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interface PipeOptions {
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preventAbort?: boolean;
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preventCancel?: boolean;
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preventClose?: boolean;
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signal?: AbortSignal;
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}
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interface QueuingStrategySizeCallback<T = any> {
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(chunk: T): number;
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}
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interface QueuingStrategy<T = any> {
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highWaterMark?: number;
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size?: QueuingStrategySizeCallback<T>;
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}
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/** This Streams API interface provides a built-in byte length queuing strategy
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* that can be used when constructing streams. */
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declare class CountQueuingStrategy implements QueuingStrategy {
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constructor(options: { highWaterMark: number });
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highWaterMark: number;
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size(chunk: any): 1;
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}
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declare class ByteLengthQueuingStrategy
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implements QueuingStrategy<ArrayBufferView> {
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constructor(options: { highWaterMark: number });
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highWaterMark: number;
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size(chunk: ArrayBufferView): number;
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}
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/** This Streams API interface represents a readable stream of byte data. The
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* Fetch API offers a concrete instance of a ReadableStream through the body
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* property of a Response object. */
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interface ReadableStream<R = any> {
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readonly locked: boolean;
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cancel(reason?: any): Promise<void>;
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getIterator(options?: { preventCancel?: boolean }): AsyncIterableIterator<R>;
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// getReader(options: { mode: "byob" }): ReadableStreamBYOBReader;
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getReader(): ReadableStreamDefaultReader<R>;
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pipeThrough<T>(
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{
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writable,
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readable,
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}: {
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writable: WritableStream<R>;
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readable: ReadableStream<T>;
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},
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options?: PipeOptions,
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): ReadableStream<T>;
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pipeTo(dest: WritableStream<R>, options?: PipeOptions): Promise<void>;
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tee(): [ReadableStream<R>, ReadableStream<R>];
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[Symbol.asyncIterator](options?: {
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preventCancel?: boolean;
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}): AsyncIterableIterator<R>;
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}
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declare var ReadableStream: {
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prototype: ReadableStream;
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new (
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underlyingSource: UnderlyingByteSource,
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strategy?: { highWaterMark?: number; size?: undefined },
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): ReadableStream<Uint8Array>;
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new <R = any>(
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underlyingSource?: UnderlyingSource<R>,
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strategy?: QueuingStrategy<R>,
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): ReadableStream<R>;
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};
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interface WritableStreamDefaultControllerCloseCallback {
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(): void | PromiseLike<void>;
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}
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interface WritableStreamDefaultControllerStartCallback {
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(controller: WritableStreamDefaultController): void | PromiseLike<void>;
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}
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interface WritableStreamDefaultControllerWriteCallback<W> {
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(chunk: W, controller: WritableStreamDefaultController):
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| void
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| PromiseLike<
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void
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>;
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}
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interface WritableStreamErrorCallback {
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(reason: any): void | PromiseLike<void>;
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}
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interface UnderlyingSink<W = any> {
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abort?: WritableStreamErrorCallback;
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close?: WritableStreamDefaultControllerCloseCallback;
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start?: WritableStreamDefaultControllerStartCallback;
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type?: undefined;
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write?: WritableStreamDefaultControllerWriteCallback<W>;
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}
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/** This Streams API interface provides a standard abstraction for writing
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* streaming data to a destination, known as a sink. This object comes with
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* built-in backpressure and queuing. */
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declare class WritableStream<W = any> {
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constructor(
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underlyingSink?: UnderlyingSink<W>,
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strategy?: QueuingStrategy<W>,
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);
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readonly locked: boolean;
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abort(reason?: any): Promise<void>;
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close(): Promise<void>;
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getWriter(): WritableStreamDefaultWriter<W>;
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}
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/** This Streams API interface represents a controller allowing control of a
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* WritableStream's state. When constructing a WritableStream, the underlying
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* sink is given a corresponding WritableStreamDefaultController instance to
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* manipulate. */
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interface WritableStreamDefaultController {
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error(error?: any): void;
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}
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/** This Streams API interface is the object returned by
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* WritableStream.getWriter() and once created locks the < writer to the
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* WritableStream ensuring that no other streams can write to the underlying
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* sink. */
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interface WritableStreamDefaultWriter<W = any> {
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readonly closed: Promise<void>;
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readonly desiredSize: number | null;
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readonly ready: Promise<void>;
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abort(reason?: any): Promise<void>;
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close(): Promise<void>;
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releaseLock(): void;
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write(chunk: W): Promise<void>;
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}
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declare class TransformStream<I = any, O = any> {
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constructor(
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transformer?: Transformer<I, O>,
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writableStrategy?: QueuingStrategy<I>,
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readableStrategy?: QueuingStrategy<O>,
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);
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readonly readable: ReadableStream<O>;
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readonly writable: WritableStream<I>;
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}
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interface TransformStreamDefaultController<O = any> {
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readonly desiredSize: number | null;
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enqueue(chunk: O): void;
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error(reason?: any): void;
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terminate(): void;
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}
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interface Transformer<I = any, O = any> {
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flush?: TransformStreamDefaultControllerCallback<O>;
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readableType?: undefined;
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start?: TransformStreamDefaultControllerCallback<O>;
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transform?: TransformStreamDefaultControllerTransformCallback<I, O>;
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writableType?: undefined;
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}
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interface TransformStreamDefaultControllerCallback<O> {
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(controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
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}
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interface TransformStreamDefaultControllerTransformCallback<I, O> {
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(
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chunk: I,
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controller: TransformStreamDefaultController<O>,
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): void | PromiseLike<void>;
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}
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type BlobPart = BufferSource | Blob | string;
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interface BlobPropertyBag {
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type?: string;
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ending?: "transparent" | "native";
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}
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/** A file-like object of immutable, raw data. Blobs represent data that isn't necessarily in a JavaScript-native format. The File interface is based on Blob, inheriting blob functionality and expanding it to support files on the user's system. */
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declare class Blob {
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constructor(blobParts?: BlobPart[], options?: BlobPropertyBag);
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readonly size: number;
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readonly type: string;
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arrayBuffer(): Promise<ArrayBuffer>;
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slice(start?: number, end?: number, contentType?: string): Blob;
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stream(): ReadableStream;
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text(): Promise<string>;
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}
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interface FilePropertyBag extends BlobPropertyBag {
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lastModified?: number;
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}
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/** Provides information about files and allows JavaScript in a web page to
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* access their content. */
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declare class File extends Blob {
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constructor(
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fileBits: BlobPart[],
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fileName: string,
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options?: FilePropertyBag,
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);
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readonly lastModified: number;
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readonly name: string;
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}
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type FormDataEntryValue = File | string;
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/** Provides a way to easily construct a set of key/value pairs representing
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* form fields and their values, which can then be easily sent using the
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* XMLHttpRequest.send() method. It uses the same format a form would use if the
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* encoding type were set to "multipart/form-data". */
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declare class FormData implements DomIterable<string, FormDataEntryValue> {
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// TODO(ry) FormData constructor is non-standard.
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// new(form?: HTMLFormElement): FormData;
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constructor();
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append(name: string, value: string | Blob, fileName?: string): void;
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delete(name: string): void;
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get(name: string): FormDataEntryValue | null;
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getAll(name: string): FormDataEntryValue[];
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has(name: string): boolean;
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set(name: string, value: string | Blob, fileName?: string): void;
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keys(): IterableIterator<string>;
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values(): IterableIterator<string>;
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entries(): IterableIterator<[string, FormDataEntryValue]>;
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[Symbol.iterator](): IterableIterator<[string, FormDataEntryValue]>;
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forEach(
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callback: (value: FormDataEntryValue, key: string, parent: this) => void,
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thisArg?: any,
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): void;
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}
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interface Body {
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/** A simple getter used to expose a `ReadableStream` of the body contents. */
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readonly body: ReadableStream<Uint8Array> | null;
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/** Stores a `Boolean` that declares whether the body has been used in a
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* response yet.
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*/
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readonly bodyUsed: boolean;
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/** Takes a `Response` stream and reads it to completion. It returns a promise
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* that resolves with an `ArrayBuffer`.
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*/
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arrayBuffer(): Promise<ArrayBuffer>;
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/** Takes a `Response` stream and reads it to completion. It returns a promise
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* that resolves with a `Blob`.
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*/
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blob(): Promise<Blob>;
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/** Takes a `Response` stream and reads it to completion. It returns a promise
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* that resolves with a `FormData` object.
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*/
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formData(): Promise<FormData>;
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/** Takes a `Response` stream and reads it to completion. It returns a promise
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* that resolves with the result of parsing the body text as JSON.
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*/
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json(): Promise<any>;
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/** Takes a `Response` stream and reads it to completion. It returns a promise
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* that resolves with a `USVString` (text).
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*/
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text(): Promise<string>;
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}
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type HeadersInit = Headers | string[][] | Record<string, string>;
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/** This Fetch API interface allows you to perform various actions on HTTP
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* request and response headers. These actions include retrieving, setting,
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* adding to, and removing. A Headers object has an associated header list,
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* which is initially empty and consists of zero or more name and value pairs.
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* You can add to this using methods like append() (see Examples.) In all
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* methods of this interface, header names are matched by case-insensitive byte
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* sequence. */
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interface Headers {
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append(name: string, value: string): void;
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delete(name: string): void;
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get(name: string): string | null;
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has(name: string): boolean;
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set(name: string, value: string): void;
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forEach(
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callbackfn: (value: string, key: string, parent: Headers) => void,
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thisArg?: any,
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): void;
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}
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declare class Headers implements DomIterable<string, string> {
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constructor(init?: HeadersInit);
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/** Appends a new value onto an existing header inside a `Headers` object, or
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* adds the header if it does not already exist.
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*/
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append(name: string, value: string): void;
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/** Deletes a header from a `Headers` object. */
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delete(name: string): void;
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/** Returns an iterator allowing to go through all key/value pairs
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* contained in this Headers object. The both the key and value of each pairs
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* are ByteString objects.
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*/
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entries(): IterableIterator<[string, string]>;
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/** Returns a `ByteString` sequence of all the values of a header within a
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* `Headers` object with a given name.
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*/
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get(name: string): string | null;
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/** Returns a boolean stating whether a `Headers` object contains a certain
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* header.
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*/
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has(name: string): boolean;
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/** Returns an iterator allowing to go through all keys contained in
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* this Headers object. The keys are ByteString objects.
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*/
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keys(): IterableIterator<string>;
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/** Sets a new value for an existing header inside a Headers object, or adds
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* the header if it does not already exist.
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*/
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set(name: string, value: string): void;
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/** Returns an iterator allowing to go through all values contained in
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* this Headers object. The values are ByteString objects.
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*/
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values(): IterableIterator<string>;
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forEach(
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callbackfn: (value: string, key: string, parent: this) => void,
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thisArg?: any,
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): void;
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/** The Symbol.iterator well-known symbol specifies the default
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* iterator for this Headers object
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*/
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[Symbol.iterator](): IterableIterator<[string, string]>;
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}
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type RequestInfo = Request | string;
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type RequestCache =
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| "default"
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| "force-cache"
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| "no-cache"
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| "no-store"
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| "only-if-cached"
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| "reload";
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type RequestCredentials = "include" | "omit" | "same-origin";
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type RequestMode = "cors" | "navigate" | "no-cors" | "same-origin";
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type RequestRedirect = "error" | "follow" | "manual";
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type ReferrerPolicy =
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| ""
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| "no-referrer"
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| "no-referrer-when-downgrade"
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| "origin"
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| "origin-when-cross-origin"
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| "same-origin"
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| "strict-origin"
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| "strict-origin-when-cross-origin"
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| "unsafe-url";
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type BodyInit =
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| Blob
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| BufferSource
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| FormData
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| URLSearchParams
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| ReadableStream<Uint8Array>
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| string;
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type RequestDestination =
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| ""
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| "audio"
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| "audioworklet"
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| "document"
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| "embed"
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| "font"
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| "image"
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| "manifest"
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| "object"
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| "paintworklet"
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| "report"
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| "script"
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| "sharedworker"
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| "style"
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| "track"
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| "video"
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| "worker"
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| "xslt";
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interface RequestInit {
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/**
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* A BodyInit object or null to set request's body.
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*/
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body?: BodyInit | null;
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/**
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* A string indicating how the request will interact with the browser's cache
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* to set request's cache.
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*/
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cache?: RequestCache;
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/**
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* A string indicating whether credentials will be sent with the request
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* always, never, or only when sent to a same-origin URL. Sets request's
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* credentials.
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*/
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credentials?: RequestCredentials;
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/**
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* A Headers object, an object literal, or an array of two-item arrays to set
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* request's headers.
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*/
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headers?: HeadersInit;
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/**
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* A cryptographic hash of the resource to be fetched by request. Sets
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* request's integrity.
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*/
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integrity?: string;
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/**
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* A boolean to set request's keepalive.
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*/
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keepalive?: boolean;
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/**
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* A string to set request's method.
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*/
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method?: string;
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/**
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* A string to indicate whether the request will use CORS, or will be
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* restricted to same-origin URLs. Sets request's mode.
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*/
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mode?: RequestMode;
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/**
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* A string indicating whether request follows redirects, results in an error
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* upon encountering a redirect, or returns the redirect (in an opaque
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* fashion). Sets request's redirect.
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*/
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redirect?: RequestRedirect;
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/**
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* A string whose value is a same-origin URL, "about:client", or the empty
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* string, to set request's referrer.
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*/
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referrer?: string;
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/**
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* A referrer policy to set request's referrerPolicy.
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*/
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referrerPolicy?: ReferrerPolicy;
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/**
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* An AbortSignal to set request's signal.
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*/
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signal?: AbortSignal | null;
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/**
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* Can only be null. Used to disassociate request from any Window.
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*/
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window?: any;
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}
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/** This Fetch API interface represents a resource request. */
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declare class Request implements Body {
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constructor(input: RequestInfo, init?: RequestInit);
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/**
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* Returns the cache mode associated with request, which is a string
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* indicating how the request will interact with the browser's cache when
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* fetching.
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*/
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readonly cache: RequestCache;
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/**
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* Returns the credentials mode associated with request, which is a string
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* indicating whether credentials will be sent with the request always, never,
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* or only when sent to a same-origin URL.
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*/
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readonly credentials: RequestCredentials;
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/**
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* Returns the kind of resource requested by request, e.g., "document" or "script".
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*/
|
||
readonly destination: RequestDestination;
|
||
/**
|
||
* Returns a Headers object consisting of the headers associated with request.
|
||
* Note that headers added in the network layer by the user agent will not be
|
||
* accounted for in this object, e.g., the "Host" header.
|
||
*/
|
||
readonly headers: Headers;
|
||
/**
|
||
* Returns request's subresource integrity metadata, which is a cryptographic
|
||
* hash of the resource being fetched. Its value consists of multiple hashes
|
||
* separated by whitespace. [SRI]
|
||
*/
|
||
readonly integrity: string;
|
||
/**
|
||
* Returns a boolean indicating whether or not request is for a history
|
||
* navigation (a.k.a. back-forward navigation).
|
||
*/
|
||
readonly isHistoryNavigation: boolean;
|
||
/**
|
||
* Returns a boolean indicating whether or not request is for a reload
|
||
* navigation.
|
||
*/
|
||
readonly isReloadNavigation: boolean;
|
||
/**
|
||
* Returns a boolean indicating whether or not request can outlive the global
|
||
* in which it was created.
|
||
*/
|
||
readonly keepalive: boolean;
|
||
/**
|
||
* Returns request's HTTP method, which is "GET" by default.
|
||
*/
|
||
readonly method: string;
|
||
/**
|
||
* Returns the mode associated with request, which is a string indicating
|
||
* whether the request will use CORS, or will be restricted to same-origin
|
||
* URLs.
|
||
*/
|
||
readonly mode: RequestMode;
|
||
/**
|
||
* Returns the redirect mode associated with request, which is a string
|
||
* indicating how redirects for the request will be handled during fetching. A
|
||
* request will follow redirects by default.
|
||
*/
|
||
readonly redirect: RequestRedirect;
|
||
/**
|
||
* Returns the referrer of request. Its value can be a same-origin URL if
|
||
* explicitly set in init, the empty string to indicate no referrer, and
|
||
* "about:client" when defaulting to the global's default. This is used during
|
||
* fetching to determine the value of the `Referer` header of the request
|
||
* being made.
|
||
*/
|
||
readonly referrer: string;
|
||
/**
|
||
* Returns the referrer policy associated with request. This is used during
|
||
* fetching to compute the value of the request's referrer.
|
||
*/
|
||
readonly referrerPolicy: ReferrerPolicy;
|
||
/**
|
||
* Returns the signal associated with request, which is an AbortSignal object
|
||
* indicating whether or not request has been aborted, and its abort event
|
||
* handler.
|
||
*/
|
||
readonly signal: AbortSignal;
|
||
/**
|
||
* Returns the URL of request as a string.
|
||
*/
|
||
readonly url: string;
|
||
clone(): Request;
|
||
|
||
/** A simple getter used to expose a `ReadableStream` of the body contents. */
|
||
readonly body: ReadableStream<Uint8Array> | null;
|
||
/** Stores a `Boolean` that declares whether the body has been used in a
|
||
* response yet.
|
||
*/
|
||
readonly bodyUsed: boolean;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with an `ArrayBuffer`.
|
||
*/
|
||
arrayBuffer(): Promise<ArrayBuffer>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with a `Blob`.
|
||
*/
|
||
blob(): Promise<Blob>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with a `FormData` object.
|
||
*/
|
||
formData(): Promise<FormData>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with the result of parsing the body text as JSON.
|
||
*/
|
||
json(): Promise<any>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with a `USVString` (text).
|
||
*/
|
||
text(): Promise<string>;
|
||
}
|
||
|
||
interface ResponseInit {
|
||
headers?: HeadersInit;
|
||
status?: number;
|
||
statusText?: string;
|
||
}
|
||
|
||
type ResponseType =
|
||
| "basic"
|
||
| "cors"
|
||
| "default"
|
||
| "error"
|
||
| "opaque"
|
||
| "opaqueredirect";
|
||
|
||
/** This Fetch API interface represents the response to a request. */
|
||
declare class Response implements Body {
|
||
constructor(body?: BodyInit | null, init?: ResponseInit);
|
||
static error(): Response;
|
||
static redirect(url: string, status?: number): Response;
|
||
|
||
readonly headers: Headers;
|
||
readonly ok: boolean;
|
||
readonly redirected: boolean;
|
||
readonly status: number;
|
||
readonly statusText: string;
|
||
readonly trailer: Promise<Headers>;
|
||
readonly type: ResponseType;
|
||
readonly url: string;
|
||
clone(): Response;
|
||
|
||
/** A simple getter used to expose a `ReadableStream` of the body contents. */
|
||
readonly body: ReadableStream<Uint8Array> | null;
|
||
/** Stores a `Boolean` that declares whether the body has been used in a
|
||
* response yet.
|
||
*/
|
||
readonly bodyUsed: boolean;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with an `ArrayBuffer`.
|
||
*/
|
||
arrayBuffer(): Promise<ArrayBuffer>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with a `Blob`.
|
||
*/
|
||
blob(): Promise<Blob>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with a `FormData` object.
|
||
*/
|
||
formData(): Promise<FormData>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with the result of parsing the body text as JSON.
|
||
*/
|
||
json(): Promise<any>;
|
||
/** Takes a `Response` stream and reads it to completion. It returns a promise
|
||
* that resolves with a `USVString` (text).
|
||
*/
|
||
text(): Promise<string>;
|
||
}
|
||
|
||
/** Fetch a resource from the network. It returns a Promise that resolves to the
|
||
* Response to that request, whether it is successful or not.
|
||
*
|
||
* const response = await fetch("http://my.json.host/data.json");
|
||
* console.log(response.status); // e.g. 200
|
||
* console.log(response.statusText); // e.g. "OK"
|
||
* const jsonData = await response.json();
|
||
*/
|
||
declare function fetch(
|
||
input: Request | URL | string,
|
||
init?: RequestInit,
|
||
): Promise<Response>;
|