How to use WritableStreamDefaultWriterCloseWithErrorPropagation method in wpt

Best JavaScript code snippet using wpt

WritableStream.js

Source:WritableStream.js

...551    }552    WritableStreamDefaultControllerClose(stream[_writableStreamController]);553    return promise;554  }555  function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {556    const stream = writer[_ownerWritableStream];557    // assert(stream !== undefined, 'stream is not undefined.');558    const state = stream[_stateAndFlags] & STATE_MASK;559    if (WritableStreamCloseQueuedOrInFlight(stream) || state === CLOSED) {560      return Promise_resolve(undefined);561    }562    if (state === ERRORED) {563      return Promise_reject(stream[_storedError]);564    }565    // assert(state === WRITABLE || state === ERRORING,566    //        '_state_ is `"writable"` or `"erroring"`.');567    return WritableStreamDefaultWriterClose(writer);568  }569  function WritableStreamDefaultWriterEnsureClosedPromiseRejected(...

pipe.ts

Source:pipe.ts

...130    });131    // Closing must be propagated forward132    isOrBecomesClosed(source, reader._closedPromise, () => {133      if (!preventClose) {134        shutdownWithAction(() => WritableStreamDefaultWriterCloseWithErrorPropagation(writer));135      } else {136        shutdown();137      }138    });139    // Closing must be propagated backward140    if (WritableStreamCloseQueuedOrInFlight(dest) || dest._state === 'closed') {141      const destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');142      if (!preventCancel) {143        shutdownWithAction(() => ReadableStreamCancel(source, destClosed), true, destClosed);144      } else {145        shutdown(true, destClosed);146      }147    }148    setPromiseIsHandledToTrue(pipeLoop());...

pipe-to.ts

Source:pipe-to.ts

1/**2 * streams/pipe-to - pipeTo algorithm implementation3 * Part of Stardazed4 * (c) 2018-Present by @zenmumbler5 * https://github.com/stardazed/sd-streams6 */7import * as rs from "./readable-internals";8import * as ws from "./writable-internals";9import * as shared from "./shared-internals";10import { ReadableStreamDefaultReader } from "./readable-stream-default-reader";11import { WritableStreamDefaultWriter } from "./writable-stream-default-writer";12// add a wrapper to handle falsy rejections13interface ErrorWrapper {14	actualError: shared.ErrorResult;15}16export function pipeTo<ChunkType>(source: rs.SDReadableStream<ChunkType>, dest: ws.WritableStream<ChunkType>, options: StreamPipeOptions) {17	const preventClose = !!options.preventClose;18	const preventAbort = !!options.preventAbort;19	const preventCancel = !!options.preventCancel;20	const signal = options.signal;21	let shuttingDown = false;22	let latestWrite = Promise.resolve();23	const promise = shared.createControlledPromise<void>();24	// If IsReadableByteStreamController(this.[[readableStreamController]]) is true, let reader be either ! AcquireReadableStreamBYOBReader(this) or ! AcquireReadableStreamDefaultReader(this), at the user agentâs discretion.25	// Otherwise, let reader be ! AcquireReadableStreamDefaultReader(this).26	const reader = new ReadableStreamDefaultReader(source);27	const writer = new WritableStreamDefaultWriter(dest);28	let abortAlgorithm: () => any;29	if (signal !== undefined) {30		abortAlgorithm = () => {31			const error = new DOMException("Aborted", "AbortError");32			const actions: (() => Promise<void>)[] = [];33			if (preventAbort === false) {34				actions.push(() => {35					if (dest[shared.state_] === "writable") {36						return ws.writableStreamAbort(dest, error);37					}38					return Promise.resolve();39				});40			}41			if (preventCancel === false) {42				actions.push(() => {43					if (source[shared.state_] === "readable") {44						return rs.readableStreamCancel(source, error);45					}46					return Promise.resolve();47				});48			}49			shutDown(() => {50				return Promise.all(actions.map(a => a())).then(_ => undefined);51			}, { actualError: error });52		};53		if (signal.aborted === true) {54			abortAlgorithm();55		}56		else {57			signal.addEventListener("abort", abortAlgorithm);58		}59	}60	function onStreamErrored(stream: rs.SDReadableStream<ChunkType> | ws.WritableStream<ChunkType>, promise: Promise<void>, action: (error: shared.ErrorResult) => void) {61		if (stream[shared.state_] === "errored") {62			action(stream[shared.storedError_]);63		} else {64			promise.catch(action);65		}66	}67	function onStreamClosed(stream: rs.SDReadableStream<ChunkType> | ws.WritableStream<ChunkType>, promise: Promise<void>, action: () => void) {68		if (stream[shared.state_] === "closed") {69			action();70		} else {71			promise.then(action);72		}73	}74	onStreamErrored(source, reader[rs.closedPromise_].promise, error => {75		if (! preventAbort) {76			shutDown(() => ws.writableStreamAbort(dest, error), { actualError: error });77		}78		else {79			shutDown(undefined, { actualError: error });80		}81	});82	onStreamErrored(dest, writer[ws.closedPromise_].promise, error => {83		if (! preventCancel) {84			shutDown(() => rs.readableStreamCancel(source, error), { actualError: error });85		}86		else {87			shutDown(undefined, { actualError: error });88		}89	});90	onStreamClosed(source, reader[rs.closedPromise_].promise, () => {91		if (! preventClose) {92			shutDown(() => ws.writableStreamDefaultWriterCloseWithErrorPropagation(writer));93		}94		else {95			shutDown();96		}97	});98	if (ws.writableStreamCloseQueuedOrInFlight(dest) || dest[shared.state_] === "closed") {99		// Assert: no chunks have been read or written.100		const destClosed = new TypeError();101		if (! preventCancel) {102			shutDown(() => rs.readableStreamCancel(source, destClosed), { actualError: destClosed });103		}104		else {105			shutDown(undefined, { actualError: destClosed });106		}107	}108	function awaitLatestWrite(): Promise<void> {109		const curLatestWrite = latestWrite;110		return latestWrite.then(() => curLatestWrite === latestWrite ? undefined : awaitLatestWrite());111	}112	function flushRemainder() {113		if (dest[shared.state_] === "writable" && (! ws.writableStreamCloseQueuedOrInFlight(dest))) {114			return awaitLatestWrite();115		}116		else {117			return undefined;118		}119	}120	function shutDown(action?: () => Promise<void>, error?: ErrorWrapper) {121		if (shuttingDown) {122			return;123		}124		shuttingDown = true;125		if (action === undefined) {126			action = () => Promise.resolve();127		}128		function finishShutDown() {129			action!().then(130				_ => finalize(error),131				newError => finalize({ actualError: newError })132			);133		}134		const flushWait = flushRemainder();135		if (flushWait) {136			flushWait.then(finishShutDown);137		}138		else {139			finishShutDown();140		}141	}142	function finalize(error?: ErrorWrapper) {143		ws.writableStreamDefaultWriterRelease(writer);144		rs.readableStreamReaderGenericRelease(reader);145		if (signal && abortAlgorithm) {146			signal.removeEventListener("abort", abortAlgorithm);147		}148		if (error) {149			promise.reject(error.actualError);150		}151		else {152			promise.resolve(undefined);153		}154	}155	function next() {156		if (shuttingDown) {157			return;158		}159		writer[ws.readyPromise_].promise.then(() => {160			rs.readableStreamDefaultReaderRead(reader).then(161				({ value, done }) => {162					if (done) {163						return;164					}165					latestWrite = ws.writableStreamDefaultWriterWrite(writer, value!).catch(() => {});166					next();167				},168				_error => {169					latestWrite = Promise.resolve();170				}171			);172		});173	}174	next();175	return promise.promise;...

Using AI Code Generation

1'use strict';2const { WritableStream } = require('stream/web');3const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('stream/web');4const { WritableStreamDefaultWriterRelease } = require('stream/web');5const { WritableStreamDefaultWriterGetDesiredSize } = require('stream/web');6const { WritableStreamDefaultWriterGetReady } = require('stream/web');7const { WritableStreamDefaultWriterWrite } = require('stream/web');8const { WritableStreamDefaultControllerError } = require('stream/web');9const { WritableStreamDefaultControllerGetDesiredSize } = require('stream/web');10const { WritableStreamDefaultControllerClose } = require('stream/web');11const { WritableStreamDefaultControllerGetChunkSize } = require('stream/web');12const { WritableStreamDefaultControllerWrite } = require('stream/web');13const { WritableStreamDefaultControllerCanCloseOrEnqueue } = require('stream/web');14const { WritableStreamDefaultController } = require('stream/web

Using AI Code Generation

1const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('../lib/writable-stream');2const { WritableStream } = require('../lib/writable-stream');3const writer = WritableStreamDefaultWriterCloseWithErrorPropagation(new WritableStream());4writer.releaseLock();5const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('web-streams-polyfill/lib/writable-stream');6const { WritableStream } = require('web-streams-polyfill/lib/writable-stream');7const writer = WritableStreamDefaultWriterCloseWithErrorPropagation(new WritableStream());8writer.releaseLock();9const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('node-web-streams/lib/writable-stream');10const { WritableStream } = require('node-web-streams/lib/writable-stream');11const writer = WritableStreamDefaultWriterCloseWithErrorPropagation(new WritableStream());12writer.releaseLock();13const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('web-streams-polyfill/lib/writable-stream');14const { WritableStream } = require('web-streams-polyfill/lib/writable-stream');15const writer = WritableStreamDefaultWriterCloseWithErrorPropagation(new WritableStream());16writer.releaseLock();17const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('node-web-streams/lib/writable-stream');18const { WritableStream } = require('node-web-streams/lib/writable-stream');19const writer = WritableStreamDefaultWriterCloseWithErrorPropagation(new WritableStream());20writer.releaseLock();21const { WritableStreamDefaultWriterCloseWithErrorPropagation } = require('web-streams-polyfill/lib/writable-stream');22const { WritableStream } = require('web-streams-poly

Using AI Code Generation

1const { WritableStream, WritableStreamDefaultWriter } = require('stream/web');2const assert = require('assert');3const ws = new WritableStream({4  write(chunk) {5    return new Promise((resolve, reject) => {6      setTimeout(() => {7        reject(new Error('Test'));8      }, 100);9    });10  }11});12const writer = new WritableStreamDefaultWriter(ws);13const writerClosed = writer.closed;14writer.write('a');15writer.write('b');16writer.write('c');17writer.close();18writerClosed.catch(() => {19  writer.write('d');20  writer.write('e');21  writer.write('f');22  writer.close();23});24setTimeout(() => {25  assert.strictEqual(writer.desiredSize, 1);26}, 200);27WritableStreamDefaultWriterCloseWithErrorPropagation ( writer )28WritableStreamClose ( stream )

Using AI Code Generation

1'use strict';2const { WritableStream, WritableStreamDefaultWriter } = require('streams');3const ws = new WritableStream();4const writer = new WritableStreamDefaultWriter(ws);5writer.close();6writer.closed.then(() => {7  console.log('closed');8}, (e) => {9  console.log('error');10});11writer.close();

Using AI Code Generation

1var ws = new WritableStream({2  write: function(chunk) {3    return new Promise(function(resolve, reject) {4      reject(new Error("something went wrong"));5    });6  }7});8var writer = ws.getWriter();9writer.write("a").then(function() {10  return writer.write("b");11}).then(function() {12  return writer.close();13}).catch(function(error) {14  console.log(error);15});16var ws = new WritableStream({17  write: function(chunk) {18    return new Promise(function(resolve, reject) {19      reject(new Error("something went wrong"));20    });21  }22});23var writer = ws.getWriter();24writer.write("a").then(function() {25  return writer.write("b");26}).then(function() {27  return writer.close();28}).catch(function(error) {29  console.log(error);30});31var ws = new WritableStream({32  write: function(chunk) {33    return new Promise(function(resolve, reject) {34      reject(new Error("something went wrong"));35    });36  }37});38var writer = ws.getWriter();39writer.write("a").then(function() {40  return writer.write("b");41}).then(function() {42  return writer.close();43}).catch(function(error) {44  console.log(error);45});46var ws = new WritableStream({47  write: function(chunk) {48    return new Promise(function(resolve, reject) {49      reject(new Error("something went wrong"));50    });51  }52});53var writer = ws.getWriter();54writer.write("a").then(function() {55  return writer.write("b");56}).then(function() {57  return writer.close();58}).catch(function(error) {59  console.log(error);60});61const ws = new WritableStream({62  write(chunk) {63    return new Promise((resolve, reject) => {64      reject(new Error("something went wrong"));65    });66  }67});

Using AI Code Generation

1var ws = new WritableStream();2var writer = ws.getWriter();3writer.close();4writer.releaseLock();5writer.close();6writer.write();7var ws = new WritableStream();8var writer = ws.getWriter();9writer.close();10writer.releaseLock();11writer.close();12writer.write();13var ws = new WritableStream();14var writer = ws.getWriter();15writer.close();16writer.releaseLock();17writer.close();18writer.write();19var ws = new WritableStream();20var writer = ws.getWriter();21writer.close();22writer.releaseLock();23writer.close();24writer.write();25var ws = new WritableStream();26var writer = ws.getWriter();27writer.close();28writer.releaseLock();29writer.close();30writer.write();31var ws = new WritableStream();32var writer = ws.getWriter();33writer.close();34writer.releaseLock();35writer.close();36writer.write();37var ws = new WritableStream();38var writer = ws.getWriter();39writer.close();40writer.releaseLock();41writer.close();42writer.write();43var ws = new WritableStream();44var writer = ws.getWriter();45writer.close();46writer.releaseLock();47writer.close();48writer.write();49var ws = new WritableStream();50var writer = ws.getWriter();51writer.close();52writer.releaseLock();53writer.close();54writer.write();55var ws = new WritableStream();56var writer = ws.getWriter();57writer.close();58writer.releaseLock();59writer.close();60writer.write();

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.