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How to use WritableStreamDefaultWriterGetDesiredSize method in wpt

Best JavaScript code snippet using wpt

writable_stream_writer.ts

Source:writable_stream_writer.ts

...74    }75    if (this.ownerWritableStream === void 0) {76      throw new TypeError("stream is undefined");77    }78    return WritableStreamDefaultWriterGetDesiredSize(this);79  }80  get ready(): Promise<undefined> {81    if (!IsWritableStreamDefaultWriter(this)) {82      return Promise.reject(83        new TypeError("this is not WritableStreamDefaultWriter")84      );85    }86    return this.readyPromise;87  }88  async abort(reason) {89    if (!IsWritableStreamDefaultWriter(this)) {90      throw new TypeError("this is not WritableStreamDefaultWriter");91    }92    if (this.ownerWritableStream === void 0) {...

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

1'use strict';2promise_test(() => {3  const ws = new WritableStream();4  const writer = ws.getWriter();5  return writer.ready.then(() => {6    const desiredSize = WritableStreamDefaultWriterGetDesiredSize(writer);7    assert_equals(desiredSize, 1, 'desiredSize should be 1');8  });9}, 'WritableStreamDefaultWriterGetDesiredSize should return 1 when the stream is not errored or closed');10promise_test(() => {11  const ws = new WritableStream({12    write() {13      return Promise.reject(new Error('a'));14    }15  });16  const writer = ws.getWriter();17  return promise_rejects(t, new Error('a'), writer.ready, 'ready promise should be rejected with the error')18      .then(() => {19        const desiredSize = WritableStreamDefaultWriterGetDesiredSize(writer);20        assert_equals(desiredSize, null, 'desiredSize should be null');21      });22}, 'WritableStreamDefaultWriterGetDesiredSize should return null when the stream is errored');23promise_test(() => {24  const ws = new WritableStream({25    write() {26      return Promise.reject(new Error('a'));27    }28  });29  const writer = ws.getWriter();30  return promise_rejects(t, new Error('a'), writer.write('a'), 'write promise should be rejected with the error')31      .then(() => {32        const desiredSize = WritableStreamDefaultWriterGetDesiredSize(writer);33        assert_equals(desiredSize, null, 'desiredSize should be null');34      });35}, 'WritableStreamDefaultWriterGetDesiredSize should return null when the stream is errored');36promise_test(() => {37  const ws = new WritableStream();38  const writer = ws.getWriter();39  return writer.ready.then(() => {40    writer.releaseLock();41    const desiredSize = WritableStreamDefaultWriterGetDesiredSize(writer);42    assert_equals(desiredSize, null, 'desiredSize should be null');43  });44}, 'WritableStreamDefaultWriterGetDesiredSize should return null when the writer is released');45promise_test(() => {46  const ws = new WritableStream();47  const writer = ws.getWriter();48  return writer.ready.then(() => {49    writer.close();50    const desiredSize = WritableStreamDefaultWriterGetDesiredSize(writer);51    assert_equals(desiredSize, null, 'desiredSize should be null');52  });53}, '

Using AI Code Generation

1var ws = new WritableStream();2var writer = ws.getWriter();3var desiredSize = writer.desiredSize;4assert_equals(desiredSize, 1, 'desiredSize should be 1');5writer.releaseLock();6desiredSize = writer.desiredSize;7assert_equals(desiredSize, undefined, 'desiredSize should be undefined');8writer.write('a');9desiredSize = writer.desiredSize;10assert_equals(desiredSize, 0, 'desiredSize should be 0');11writer.close();12desiredSize = writer.desiredSize;13assert_equals(desiredSize, undefined, 'desiredSize should be undefined');14var ws = new WritableStream();15var writer = ws.getWriter();16var desiredSize = writer.desiredSize;17assert_equals(desiredSize, 1, 'desiredSize should be 1');18writer.write('a');19desiredSize = writer.desiredSize;20assert_equals(desiredSize, 0, 'desiredSize should be 0');21writer.releaseLock();22desiredSize = writer.desiredSize;23assert_equals(desiredSize, undefined, 'desiredSize should be undefined');24writer.close();25desiredSize = writer.desiredSize;26assert_equals(desiredSize, undefined, 'desiredSize should be undefined');27var ws = new WritableStream();28var writer = ws.getWriter();29var desiredSize = writer.desiredSize;30assert_equals(desiredSize, 1, 'desiredSize should be 1');31writer.write('a');32desiredSize = writer.desiredSize;33assert_equals(desiredSize, 0, 'desiredSize should be 0');34writer.close();35desiredSize = writer.desiredSize;36assert_equals(desiredSize, undefined, 'desiredSize should be undefined');37writer.releaseLock();38desiredSize = writer.desiredSize;39assert_equals(desiredSize, undefined, 'desiredSize should be undefined');40var ws = new WritableStream();41var writer = ws.getWriter();42var desiredSize = writer.desiredSize;43assert_equals(desiredSize, 1, 'desiredSize should be

Using AI Code Generation

1'use strict';2const assert = require('assert');3const { WritableStream, WritableStreamDefaultWriter, CountQueuingStrategy } = require('stream/web');4const ws = new WritableStream({5  write() {}6}, new CountQueuingStrategy({ highWaterMark: 1 }));7const writer = new WritableStreamDefaultWriter(ws);8const desiredSize = writer.desiredSize;9assert.strictEqual(desiredSize, 1);10get desiredSize() {11  if (this[kState].stream === undefined) {12    throw new ERR_INVALID_STATE('WritableStream is closed');13  }14  return WritableStreamDefaultWriterGetDesiredSize(this);15}16function WritableStreamDefaultWriterGetDesiredSize(writer) {17  const {18  } = writer[kState];19  if (stream === undefined) {20    return null;21  }22  if (closeRequest !== undefined) {23    return null;24  }25  if (inFlightWriteRequest !== undefined) {26    return null;27  }28  return WritableStreamDefaultControllerGetDesiredSize(29    stream[kState].controller);30}31function WritableStreamDefaultControllerGetDesiredSize(controller) {32  const {33  } = controller[kState];34  return highWaterMark - queueTotalSize;35}36function WritableStreamDefaultControllerGetDesiredSize(controller) {37  const {38  } = controller[kState];39  return highWaterMark - queueTotalSize;40}41function WritableStreamDefaultControllerGetDesiredSize(controller) {42  const {43  } = controller[kState];44  return highWaterMark - queueTotalSize;45}46function WritableStreamDefaultControllerGetDesiredSize(controller) {47  const {48  } = controller[kState];

Using AI Code Generation

1'use strict';2const { WritableStream } = require('../lib/writable-stream.js');3const { WritableStreamDefaultWriter } = require('../lib/writable-stream-default-writer.js');4const { WritableStreamDefaultWriterGetDesiredSize } = require('../lib/writable-stream-default-writer.js');5const writer = new WritableStreamDefaultWriter(new WritableStream());6console.log(WritableStreamDefaultWriterGetDesiredSize(writer));7'use strict';8const { WritableStream } = require('../lib/writable-stream.js');9const { WritableStreamDefaultWriter } = require('../lib/writable-stream-default-writer.js');10const { WritableStreamDefaultWriterGetDesiredSize } = require('../lib/writable-stream-default-writer.js');11const writer = new WritableStreamDefaultWriter(new WritableStream());12console.log(WritableStreamDefaultWriterGetDesiredSize(writer));

Using AI Code Generation

1'use strict';2const assert = require('assert');3const { WritableStream, WritableStreamDefaultWriter } = require('stream/web');4const writer = WritableStreamDefaultWriter(WritableStream());5const desiredSize = writer.desiredSize;6assert.strictEqual(desiredSize, 1);7'use strict';8const assert = require('assert');9const { WritableStream, WritableStreamDefaultWriter } = require('stream/web');10const writer = WritableStreamDefaultWriter(WritableStream());11const writePromise = writer.write('a');12assert.strictEqual(writePromise.constructor.name, 'Promise');13'use strict';14const assert = require('assert');15const { WritableStream, WritableStreamDefaultWriter } = require('stream/web');16const writer = WritableStreamDefaultWriter(WritableStream());17const closePromise = writer.close();18assert.strictEqual(closePromise.constructor.name, 'Promise');19'use strict';20const assert = require('assert');21const { WritableStream, WritableStreamDefaultWriter } = require('stream/web');22const writer = WritableStreamDefaultWriter(WritableStream());23writer.releaseLock();24assert.strictEqual(writer.locked, false);25'use strict';26const assert = require('assert');27const { WritableStream, WritableStreamDefaultController } = require('stream/web');28const ws = WritableStream();29const writer = ws.getWriter();30const controller = writer.desiredSize;31assert.throws(() => {32  WritableStreamDefaultControllerError(controller, new Error('boom'));33}, {34});35'use strict';36const assert = require('assert');37const { WritableStream, WritableStreamDefaultController } = require('stream/web');38const ws = WritableStream();39const writer = ws.getWriter();40const controller = writer.desiredSize;41const desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);42assert.strictEqual(desiredSize, 1);43'use strict';44const assert = require('assert');45const { WritableStream } = require('stream/web');

Using AI Code Generation

1assert_equals(typeof WritableStreamDefaultWriterGetDesiredSize, 'function');2assert_equals(WritableStreamDefaultWriterGetDesiredSize.name, 'WritableStreamDefaultWriterGetDesiredSize');3assert_equals(WritableStreamDefaultWriterGetDesiredSize.length, 1);4assert_throws(new TypeError(), function() {5  WritableStreamDefaultWriterGetDesiredSize();6});7assert_throws(new TypeError(), function() {8  WritableStreamDefaultWriterGetDesiredSize(undefined);9});10assert_throws(new TypeError(), function() {11  WritableStreamDefaultWriterGetDesiredSize(null);12});13assert_throws(new TypeError(), function() {14  WritableStreamDefaultWriterGetDesiredSize(1);15});16assert_throws(new TypeError(), function() {17  WritableStreamDefaultWriterGetDesiredSize('test');18});19assert_throws(new TypeError(), function() {20  WritableStreamDefaultWriterGetDesiredSize(true);21});22assert_throws(new TypeError(), function() {23  WritableStreamDefaultWriterGetDesiredSize(false);24});25assert_throws(new TypeError(), function() {26  WritableStreamDefaultWriterGetDesiredSize(Symbol());27});28assert_throws(new TypeError(), function() {29  WritableStreamDefaultWriterGetDesiredSize(0);30});31var ws = new WritableStream();32var writer = ws.getWriter();33assert_equals(WritableStreamDefaultWriterGetDesiredSize(writer), 1);34writer.releaseLock();35ws = new WritableStream({36  write() {37    return new Promise(function(resolve, reject) {38      setTimeout(function() {39        resolve();40      }, 100);41    });42  }43});44writer = ws.getWriter();45writer.write('a');46assert_equals(WritableStreamDefaultWriterGetDesiredSize(writer), 0);47writer.releaseLock();48ws = new WritableStream({49  write() {50    return new Promise(function(resolve, reject) {51      setTimeout(function() {52        resolve();53      }, 100);54    });55  }56});57writer = ws.getWriter();58writer.write('a');59assert_equals(WritableStreamDefaultWriterGetDesiredSize(writer), 0);60writer.releaseLock();61ws = new WritableStream({62  write() {63    return new Promise(function(resolve,

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