How to use WritableStreamDefaultWriterRelease method in wpt

Best JavaScript code snippet using wpt

pipe.ts

Source:pipe.ts

...200        finalize(isError, error);201      }202    }203    function finalize(isError?: boolean, error?: any) {204      WritableStreamDefaultWriterRelease(writer);205      ReadableStreamReaderGenericRelease(reader);206      if (signal !== undefined) {207        signal.removeEventListener('abort', abortAlgorithm);208      }209      if (isError) {210        reject(error);211      } else {212        resolve(undefined);213      }214    }215  });...

writable_stream_default_writer.ts

Source:writable_stream_default_writer.ts

1// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.2import {3  Deferred,4  getDeferred,5  isWritableStream,6  isWritableStreamDefaultWriter,7  isWritableStreamLocked,8  setFunctionName,9  setPromiseIsHandledToTrue,10  writableStreamCloseQueuedOrInFlight,11  writableStreamDefaultWriterAbort,12  writableStreamDefaultWriterClose,13  writableStreamDefaultWriterGetDesiredSize,14  writableStreamDefaultWriterRelease,15  writableStreamDefaultWriterWrite,16} from "./internals.ts";17import * as sym from "./symbols.ts";18import { WritableStreamImpl } from "./writable_stream.ts";19import { customInspect } from "../console.ts";20import { assert } from "../../util.ts";21export class WritableStreamDefaultWriterImpl<W>22  implements WritableStreamDefaultWriter<W> {23  [sym.closedPromise]: Deferred<void>;24  [sym.ownerWritableStream]: WritableStreamImpl<W>;25  [sym.readyPromise]: Deferred<void>;26  constructor(stream: WritableStreamImpl<W>) {27    if (!isWritableStream(stream)) {28      throw new TypeError("Invalid stream.");29    }30    if (isWritableStreamLocked(stream)) {31      throw new TypeError("Cannot create a writer for a locked stream.");32    }33    this[sym.ownerWritableStream] = stream;34    stream[sym.writer] = this;35    const state = stream[sym.state];36    if (state === "writable") {37      if (38        !writableStreamCloseQueuedOrInFlight(stream) &&39        stream[sym.backpressure]40      ) {41        this[sym.readyPromise] = getDeferred();42      } else {43        this[sym.readyPromise] = { promise: Promise.resolve() };44      }45      this[sym.closedPromise] = getDeferred();46    } else if (state === "erroring") {47      this[sym.readyPromise] = {48        promise: Promise.reject(stream[sym.storedError]),49      };50      setPromiseIsHandledToTrue(this[sym.readyPromise].promise);51      this[sym.closedPromise] = getDeferred();52    } else if (state === "closed") {53      this[sym.readyPromise] = { promise: Promise.resolve() };54      this[sym.closedPromise] = { promise: Promise.resolve() };55    } else {56      assert(state === "errored");57      const storedError = stream[sym.storedError];58      this[sym.readyPromise] = { promise: Promise.reject(storedError) };59      setPromiseIsHandledToTrue(this[sym.readyPromise].promise);60      this[sym.closedPromise] = { promise: Promise.reject(storedError) };61      setPromiseIsHandledToTrue(this[sym.closedPromise].promise);62    }63  }64  get closed(): Promise<void> {65    if (!isWritableStreamDefaultWriter(this)) {66      return Promise.reject(67        new TypeError("Invalid WritableStreamDefaultWriter.")68      );69    }70    return this[sym.closedPromise].promise;71  }72  get desiredSize(): number | null {73    if (!isWritableStreamDefaultWriter(this)) {74      throw new TypeError("Invalid WritableStreamDefaultWriter.");75    }76    if (!this[sym.ownerWritableStream]) {77      throw new TypeError("WritableStreamDefaultWriter has no owner.");78    }79    return writableStreamDefaultWriterGetDesiredSize(this);80  }81  get ready(): Promise<void> {82    if (!isWritableStreamDefaultWriter(this)) {83      return Promise.reject(84        new TypeError("Invalid WritableStreamDefaultWriter.")85      );86    }87    return this[sym.readyPromise].promise;88  }89  // eslint-disable-next-line @typescript-eslint/no-explicit-any90  abort(reason: any): Promise<void> {91    if (!isWritableStreamDefaultWriter(this)) {92      return Promise.reject(93        new TypeError("Invalid WritableStreamDefaultWriter.")94      );95    }96    if (!this[sym.ownerWritableStream]) {97      Promise.reject(98        new TypeError("WritableStreamDefaultWriter has no owner.")99      );100    }101    return writableStreamDefaultWriterAbort(this, reason);102  }103  close(): Promise<void> {104    if (!isWritableStreamDefaultWriter(this)) {105      return Promise.reject(106        new TypeError("Invalid WritableStreamDefaultWriter.")107      );108    }109    const stream = this[sym.ownerWritableStream];110    if (!stream) {111      Promise.reject(112        new TypeError("WritableStreamDefaultWriter has no owner.")113      );114    }115    if (writableStreamCloseQueuedOrInFlight(stream)) {116      Promise.reject(117        new TypeError("Stream is in an invalid state to be closed.")118      );119    }120    return writableStreamDefaultWriterClose(this);121  }122  releaseLock(): void {123    if (!isWritableStreamDefaultWriter(this)) {124      throw new TypeError("Invalid WritableStreamDefaultWriter.");125    }126    const stream = this[sym.ownerWritableStream];127    if (!stream) {128      return;129    }130    assert(stream[sym.writer]);131    writableStreamDefaultWriterRelease(this);132  }133  write(chunk: W): Promise<void> {134    if (!isWritableStreamDefaultWriter(this)) {135      return Promise.reject(136        new TypeError("Invalid WritableStreamDefaultWriter.")137      );138    }139    if (!this[sym.ownerWritableStream]) {140      Promise.reject(141        new TypeError("WritableStreamDefaultWriter has no owner.")142      );143    }144    return writableStreamDefaultWriterWrite(this, chunk);145  }146  [customInspect](): string {147    return `${this.constructor.name} { closed: Promise, desiredSize: ${String(148      this.desiredSize149    )}, ready: Promise }`;150  }151}...

Using AI Code Generation

1var ws = new WritableStream();2var writer = ws.getWriter();3WritableStreamDefaultWriterRelease(writer);4assert_equals(writer.desiredSize, undefined, 'writer.desiredSize should be undefined');5assert_equals(writer.ready, undefined, 'writer.ready should be undefined');6var ws = new WritableStream();7var writer = ws.getWriter();8WritableStreamDefaultWriterCloseWithErrorPropagation(writer);9assert_equals(ws.state, 'closed', 'ws.state should be closed');10var ws = new WritableStream();11var writer = ws.getWriter();12WritableStreamDefaultWriterClose(writer);13assert_equals(ws.state, 'closed', 'ws.state should be closed');14var ws = new WritableStream();15var writer = ws.getWriter();16WritableStreamDefaultWriterWrite(writer, 'a');17assert_equals(ws.state, 'writable', 'ws.state should be writable');18var ws = new WritableStream();19var writer = ws.getWriter();20var desiredSize = WritableStreamDefaultWriterGetDesiredSize(writer);21assert_equals(desiredSize, 1, 'desiredSize should be 1');22var ws = new WritableStream();23var writer = ws.getWriter();24var readyPromise = WritableStreamDefaultWriterGetReadyPromise(writer);25assert_equals(readyPromise, writer.ready, 'readyPromise should be writer.ready');26var ws = new WritableStream();27var writer = ws.getWriter();28var controller = writer.desiredSize;29WritableStreamDefaultControllerError(controller, 'a');30assert_equals(ws.state, 'errored', 'ws.state should be errored');31var ws = new WritableStream();32var writer = ws.getWriter();33var controller = writer.desiredSize;34var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);35assert_equals(desiredSize, 1, 'desiredSize should be 1');

Using AI Code Generation

1var ws = new WritableStream();2var writer = ws.getWriter();3writer.releaseLock();4assert_equals(writer.write(), undefined, 'write() should return undefined');5var ws = new WritableStream();6var writer = ws.getWriter();7writer.releaseLock();8assert_equals(writer.close(), undefined, 'close() should return undefined');9var ws = new WritableStream();10var writer = ws.getWriter();11writer.releaseLock();12assert_equals(writer.abort(), undefined, 'abort() should return undefined');13var ws = new WritableStream();14var writer = ws.getWriter();15writer.releaseLock();16assert_equals(writer.closed, undefined, 'closed should return undefined');17var ws = new WritableStream();18var writer = ws.getWriter();19writer.releaseLock();20assert_equals(writer.desiredSize, undefined, 'desiredSize should return undefined');21var ws = new WritableStream();22var writer = ws.getWriter();23writer.close();24writer.closed.then(25  function() {26    assert_unreached('closed promise should not be fulfilled');27  },28  function(r) {29    assert_equals(r.name, 'TypeError', 'closed promise should be rejected with a TypeError');30  }31);32var ws = new WritableStream();33var writer = ws.getWriter();34writer.close();35writer.closed.then(36  function() {37    assert_unreached('closed promise should not be fulfilled');38  },39  function(r) {40    assert_equals(r.name, 'TypeError', 'closed promise should be rejected with a TypeError');41  }42);43writer.releaseLock();44var ws = new WritableStream();45var writer = ws.getWriter();46writer.close();47writer.closed.then(48  function() {49    assert_unreached('closed promise should not be fulfilled');50  },51  function(r) {

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