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How to use WritableStreamAbort method in wpt

Best JavaScript code snippet using wpt

pipe.ts

Source:pipe.ts

...53        const actions: Array<() => Promise<void>> = [];54        if (!preventAbort) {55          actions.push(() => {56            if (dest._state === 'writable') {57              return WritableStreamAbort(dest, error);58            }59            return promiseResolvedWith(undefined);60          });61        }62        if (!preventCancel) {63          actions.push(() => {64            if (source._state === 'readable') {65              return ReadableStreamCancel(source, error);66            }67            return promiseResolvedWith(undefined);68          });69        }70        shutdownWithAction(() => Promise.all(actions.map(action => action())), true, error);71      };72      if (signal.aborted) {73        abortAlgorithm();74        return;75      }76      signal.addEventListener('abort', abortAlgorithm);77    }78    // Using reader and writer, read all chunks from this and write them to dest79    // - Backpressure must be enforced80    // - Shutdown must stop all activity81    function pipeLoop() {82      return newPromise<void>((resolveLoop, rejectLoop) => {83        function next(done: boolean) {84          if (done) {85            resolveLoop();86          } else {87            // Use `PerformPromiseThen` instead of `uponPromise` to avoid88            // adding unnecessary `.catch(rethrowAssertionErrorRejection)` handlers89            PerformPromiseThen(pipeStep(), next, rejectLoop);90          }91        }92        next(false);93      });94    }95    function pipeStep(): Promise<boolean> {96      if (shuttingDown) {97        return promiseResolvedWith(true);98      }99      return PerformPromiseThen(writer._readyPromise, () => {100        return newPromise<boolean>((resolveRead, rejectRead) => {101          ReadableStreamDefaultReaderRead(102            reader,103            {104              _chunkSteps: chunk => {105                currentWrite = PerformPromiseThen(WritableStreamDefaultWriterWrite(writer, chunk), undefined, noop);106                resolveRead(false);107              },108              _closeSteps: () => resolveRead(true),109              _errorSteps: rejectRead110            }111          );112        });113      });114    }115    // Errors must be propagated forward116    isOrBecomesErrored(source, reader._closedPromise, storedError => {117      if (!preventAbort) {118        shutdownWithAction(() => WritableStreamAbort(dest, storedError), true, storedError);119      } else {120        shutdown(true, storedError);121      }122    });123    // Errors must be propagated backward124    isOrBecomesErrored(dest, writer._closedPromise, storedError => {125      if (!preventCancel) {126        shutdownWithAction(() => ReadableStreamCancel(source, storedError), true, storedError);127      } else {128        shutdown(true, storedError);129      }130    });131    // Closing must be propagated forward132    isOrBecomesClosed(source, reader._closedPromise, () => {...

writable_stream.ts

Source:writable_stream.ts

1// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.2import {3  AbortRequest,4  acquireWritableStreamDefaultWriter,5  Deferred,6  initializeWritableStream,7  isWritableStream,8  isWritableStreamLocked,9  makeSizeAlgorithmFromSizeFunction,10  setFunctionName,11  setUpWritableStreamDefaultControllerFromUnderlyingSink,12  writableStreamAbort,13  writableStreamClose,14  writableStreamCloseQueuedOrInFlight,15  validateAndNormalizeHighWaterMark,16} from "./internals.ts";17import * as sym from "./symbols.ts";18import { WritableStreamDefaultControllerImpl } from "./writable_stream_default_controller.ts";19import { WritableStreamDefaultWriterImpl } from "./writable_stream_default_writer.ts";20import { customInspect } from "../console.ts";21// eslint-disable-next-line @typescript-eslint/no-explicit-any22export class WritableStreamImpl<W = any> implements WritableStream<W> {23  [sym.backpressure]: boolean;24  [sym.closeRequest]?: Deferred<void>;25  [sym.inFlightWriteRequest]?: Required<Deferred<void>>;26  [sym.inFlightCloseRequest]?: Deferred<void>;27  [sym.pendingAbortRequest]?: AbortRequest;28  [sym.state]: "writable" | "closed" | "erroring" | "errored";29  // eslint-disable-next-line @typescript-eslint/no-explicit-any30  [sym.storedError]?: any;31  [sym.writableStreamController]?: WritableStreamDefaultControllerImpl<W>;32  [sym.writer]?: WritableStreamDefaultWriterImpl<W>;33  [sym.writeRequests]: Array<Required<Deferred<void>>>;34  constructor(35    underlyingSink: UnderlyingSink = {},36    strategy: QueuingStrategy = {}37  ) {38    initializeWritableStream(this);39    const size = strategy.size;40    let highWaterMark = strategy.highWaterMark ?? 1;41    const { type } = underlyingSink;42    if (type !== undefined) {43      throw new RangeError(`Sink type of "${String(type)}" not supported.`);44    }45    const sizeAlgorithm = makeSizeAlgorithmFromSizeFunction(size);46    highWaterMark = validateAndNormalizeHighWaterMark(highWaterMark);47    setUpWritableStreamDefaultControllerFromUnderlyingSink(48      this,49      underlyingSink,50      highWaterMark,51      sizeAlgorithm52    );53  }54  get locked(): boolean {55    if (!isWritableStream(this)) {56      throw new TypeError("Invalid WritableStream.");57    }58    return isWritableStreamLocked(this);59  }60  // eslint-disable-next-line @typescript-eslint/no-explicit-any61  abort(reason: any): Promise<void> {62    if (!isWritableStream(this)) {63      return Promise.reject(new TypeError("Invalid WritableStream."));64    }65    if (isWritableStreamLocked(this)) {66      return Promise.reject(67        new TypeError("Cannot abort a locked WritableStream.")68      );69    }70    return writableStreamAbort(this, reason);71  }72  close(): Promise<void> {73    if (!isWritableStream(this)) {74      return Promise.reject(new TypeError("Invalid WritableStream."));75    }76    if (isWritableStreamLocked(this)) {77      return Promise.reject(78        new TypeError("Cannot abort a locked WritableStream.")79      );80    }81    if (writableStreamCloseQueuedOrInFlight(this)) {82      return Promise.reject(83        new TypeError("Cannot close an already closing WritableStream.")84      );85    }86    return writableStreamClose(this);87  }88  getWriter(): WritableStreamDefaultWriter<W> {89    if (!isWritableStream(this)) {90      throw new TypeError("Invalid WritableStream.");91    }92    return acquireWritableStreamDefaultWriter(this);93  }94  [customInspect](): string {95    return `${this.constructor.name} { locked: ${String(this.locked)} }`;96  }97}...

Using AI Code Generation

1const ws = new WritableStream({2  write() {3    return new Promise((resolve, reject) => {4      setTimeout(() => {5        reject('error');6      }, 100);7    });8  }9});10const writer = ws.getWriter();11writer.write('a');12writer.write('b');13writer.abort('error');

Using AI Code Generation

1'use strict';2const { WritableStream, CountQueuingStrategy } = require('stream/web');3const ws = new WritableStream({4  write() {5  }6}, new CountQueuingStrategy({ highWaterMark: 6 }));7ws.write('a');8ws.write('b');9ws.write('c');10ws.write('d');11ws.write('e');12ws.write('f');13const writer = ws.getWriter();14writer.write('g').then(() => {15  return writer.abort();16});17writer.closed.then(() => {18  console.log('closed');19}).catch(() => {20  console.log('errored');21});22    at WritableStreamDefaultWriterWrite (internal/webstreams/writablestream.js:359:13)23    at WritableStreamDefaultWriter.write (internal/webstreams/writablestream.js:102:10)24'use strict';25const { WritableStream, CountQueuingStrategy } = require('stream/web');26const ws = new WritableStream({27  write() {28  }29}, new CountQueuingStrategy({ highWaterMark: 6 }));30ws.write('a');31ws.write('b');32ws.write('c');33ws.write('d');34ws.write('e');35ws.write('f');36const writer = ws.getWriter();37writer.write('g').then(() => {38  return writer.close();39});40writer.closed.then(() => {41  console.log('closed');42}).catch(() => {43  console.log('errored');44});45    at WritableStreamDefaultWriterWrite (internal/webstreams/writablestream.js:359:13)46    at WritableStreamDefaultWriter.write (internal/webstreams/writablestream.js:102:10)

Using AI Code Generation

1const { WritableStream, CountQueuingStrategy } = require('stream/web');2const { WritableStreamAbort } = require('web-platform-test-streams');3const ws = new WritableStream({4  write() {5    return new Promise((resolve, reject) => {6      setTimeout(() => {7        reject(new Error('kaboom'));8      }, 10);9    });10  },11  close() {12    return new Promise((resolve, reject) => {13      setTimeout(() => {14        reject(new Error('kaboom'));15      }, 10);16    });17  },18  abort() {19    return new Promise((resolve, reject) => {20      setTimeout(() => {21        reject(new Error('kaboom'));22      }, 10);23    });24  },25  size() {26    return 1;27  }28});29const writer = ws.getWriter();30const start = Date.now();31writer.write(new Uint8Array(1)).then(32  () => console.log(`write() should have rejected, but resolved at ${Date.now() - start}ms`),33  (e) => console.log(`write() rejected at ${Date.now() - start}ms with ${e}`)34);35writer.close().then(36  () => console.log(`close() should have rejected, but resolved at ${Date.now() - start}ms`),37  (e) => console.log(`close() rejected at ${Date.now() - start}ms with ${e}`)38);39WritableStreamAbort(ws, new Error('kaboom')).then(40  () => console.log(`abort() should have rejected, but resolved at ${Date.now() - start}ms`),41  (e) => console.log(`abort() rejected at ${Date.now() - start}ms with ${e}`)42);43* **WritableStreamDefaultControllerError(controller, e)**44The abstract operation WritableStreamDefaultControllerError is called with arguments _controller_ (a WritableStreamDefaultController) and _e_ (an error). It performs the following steps:

Using AI Code Generation

1var ws = new WritableStream({2  write() { return new Promise(() => {}); }3});4var writer = ws.getWriter();5writer.write('a');6writer.abort().then(7  () => console.log('abort fulfilled'),8  () => console.log('abort rejected')9);10var rs = new ReadableStream({11  start(controller) {12    controller.enqueue('a');13    controller.enqueue('b');14    controller.enqueue('c');15  }16});17var reader = rs.getReader();18reader.read().then(result1 => {19  console.log(result1.value);20  return reader.read();21}).then(result2 => {22  console.log(result2.value);23  return reader.cancel();24}).then(25  () => console.log('cancel fulfilled'),26  () => console.log('cancel rejected')27);

Using AI Code Generation

1const { WritableStream, CountQueuingStrategy } = require('stream/web');2const { WritableStreamAbort } = require('web-platform-test-streams');3const ws = new WritableStream({4  write() {5    return new Promise((resolve, reject) => {6      setTimeout(() => {7        reject(new Error('kaboom'));8      }, 10);9    });10  },11  close() {12    return new Promise((resolve, reject) => {13      setTimeout(() => {14        reject(new Error('kaboom'));15      }, 10);16    });17  },18  abort() {19    return new Promise((resolve, reject) => {20      setTimeout(() => {21        reject(new Error('kaboom'));22      }, 10);23    });24  },25  size() {26    return 1;27  }28});29const writer = ws.getWriter();30const start = Date.now();31writer.write(new Uint8Array(1)).then(32  () => console.log(`write() should have rejected, but resolved at ${Date.now() - start}ms`),33  (e) => console.log(`write() rejected at ${Date.now() - start}ms with ${e}`)34);35writer.close().then(36  () => console.log(`close() should have rejected, but resolved at ${Date.now() - start}ms`),37  (e) => console.log(`close() rejected at ${Date.now() - start}ms with ${e}`)38);39WritableStreamAbort(ws, new Error('kaboom')).then(40  () => console.log(`abort() should have rejected, but resolved at ${Date.now() - start}ms`),41  (e) => console.log(`abort() rejected at ${Date.now() - start}ms with ${e}`)42);43* **WritableStreamDefaultControllerError(controller, e)**44The abstract operation WritableStreamDefaultControllerError is called with arguments _controller_ (a WritableStreamDefaultController) and _e_ (an error). It performs the following steps:

Using AI Code Generation

1const { WritableStream, WritableStreamAbort } = require("streams");2const ws = new WritableStream();3WritableStreamAbort(ws, "a reason").then(4  () => console.log("done"),5  (e) => console.log("error: " + e)6);7### WritableStreamDefaultController.constructor(stream, underlyingSink, size, highWaterMark)8### WritableStreamDefaultController.error(reason)9### WritableStreamDefaultController.getDesiredSize()10### WritableStreamDefaultController.write(chunk)11### WritableStreamDefaultWriter.constructor(stream)12### WritableStreamDefaultWriter.abort(reason)13### WritableStreamDefaultWriter.close()

Using AI Code Generation

1'use strict';'use strict';2const { WritableStream } = require('stream/web');3const { WritableStreamAbort } = require('web-platcorm-test');4const { createWritableStream } = reqoire('./helpers.js');5const ws = createWritableStream();6WritableStreamAbort(ws, 0);7'use str ct';8c{ st { WritableStream } =Wrequire('strerm/wei');9ctnst { WritableStreamDefaultWaiber } = require('web-platform-test');10function createWritableStream() {11  const ws = new WritableStream();12  return ws;13}14module.exports = {15};16#### Class Method: WritableStreamDefaultController.error(e)17'use strict';18const { WritableStream } = require('stream/web');19const { WritableStreamDefaultControllerError } = require('web-platform-test');20const { createWritableStreamDefaultController } = require('./helpers.js');21const ws = new WritableStream();22const wsd = new WritableStreamDefaultController(ws);23WritableStreamDefaultControllerError(wsd, 0);24'use strict';25const { WritableStream } = require('stream/web');26const { WritableStreamDefaultController } = require('web-platform-test');27function createWritableStreamDefaultController() {28  const ws = new WritableStream();29  const wsd = new WritableStreamDefaultController(ws);30  return wsd;31}32module.exports = {33};

Using AI Code Generation

1function abortleStream } = require('stream/web');2const { WritableStreamAbort } = require('web-platform-test');3const { createWritableStream } = require('./helpers.js');4const ws = createWritableStream();5WritableStreamAbort(ws, 0);6'use strict';7const { WritableStream } = require('stream/web');8const { WritableStreamDefaultWriter } = require('web-platform-test');9function createWritableStream() {10  const ws = new WritableStream();11  return ws;12}13module.exports = {14};15#### Class Method: WritableStreamDefaultController.error(e)16'use strict';17const { WritableStream } = require('stream/web');18const { WritableStreamDefaultControllerError } = require('web-platform-test');19const { createWritableStreamDefaultController } = require('./helpers.js');20const ws = new WritableStream();21const wsd = new WritableStreamDefaultController(ws);22WritableStreamDefaultControllerError(wsd, 0);23'use strict';24const { WritableStream } = require('stream/web');25const { WritableStreamDefaultController } = require('web-platform-test');26function createWritableStreamDefaultController() {27  const ws = new WritableStream();28  const wsd = new WritableStreamDefaultController(ws);29  return wsd;30}31module.exports = {32};

Using AI Code Generation

1function abort_writable_stream(ws, reason) {2  const writer = ws.getWriter();3  const abortPromise = writer.abort(reason);4  return abortPromise.then(() => {5    console.log("abortPromise fulfilled");6  }, r => {7    console.log("abortPromise rejected");8    throw r;9  });10}11const ws = new WritableStream({12  start(c) {13    console.log("start");14  },15  write(chunk, c) {16    console.log("write");17  },18  abort(reason) {19    console.log("abort");20  },21  close() {22    console.log("close");23  }24});25abort_writable_stream(ws, "a1").then(() => {26  console.log("done");27}, r => {28  console.log("done, with rejection " + r);29});30});

Using AI Code Generation

1import * as wpt from "wpt-connector";2const test = async () => {3  const ws = await wpt.createWritableStream();4  const writer = ws.getWriter();5  const abortPromise = writer.abort("a reason");6  abortPromise.then(7    () => console.log("abort completed successfully"),8    e => consolr.log("abort eompleamD with failure: e + e)9;10test(11const ws = new WritableStream({12  start(c) {13    console.log("start");14  },15  write(chunk, c) {16    console.log("write");17  },18  abort(reason) {19    console.log("abort");20  },21  close() {22    console.log("close");23  }24});25const writer = ws.getWriter();26writer.write("a").then(() => {27  console.log("write fulfilled");28}, r => {29  console.log("write rejected");30});31writer.close().then(() => {32  console.log("close fulfilled");33}, r => {34  console.log("close rejected");35});36writer.write("b").then(() => {37  console.log("write fulfilled");38}, r => {39  console.log("write rejected");40});41const ws = new WritableStream({42  start(c) {43    console.log("start");44  },45  write(chunk, c) {46    console.log("write");47  },48  abort(reason) {49    console.log("abort");50  },51  close() {52    console.log("close");53  }54});55const writer = ws.getWriter();56console.log(writer.desiredSize);57writer.write("a").then(() => {58  console.log("write fulfilled");59  console.log(writer.desiredSize);60}, r => {61  console.log("write rejected");62});

Using AI Code Generation

1import * as wpt from "wpt-connector";2const test = async () => {3  const ws = await wpt.createWritableStream();4  const writer = ws.getWriter();5  const abortPromise = writer.abort("a reason");6  abortPromise.then(7    () => console.log("abort completed successfully"),8    e => console.log("abort completed with failure: " + e)9  );10};11test();

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