How to use IsReadableStreamDefaultController method in wpt

Best JavaScript code snippet using wpt

ReadableStreamDefaultController.js

Source:ReadableStreamDefaultController.js

1/*2 * Copyright (C) 2015 Canon Inc.3 *4 * Redistribution and use in source and binary forms, with or without5 * modification, are permitted provided that the following conditions6 * are met:7 * 1. Redistributions of source code must retain the above copyright8 *    notice, this list of conditions and the following disclaimer.9 * 2. Redistributions in binary form must reproduce the above copyright10 *    notice, this list of conditions and the following disclaimer in the11 *    documentation and/or other materials provided with the distribution.12 *13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.24 */25// @conditional=ENABLE(STREAMS_API)26function enqueue(chunk)27{28    "use strict";29    if (!@isReadableStreamDefaultController(this))30        throw @makeThisTypeError("ReadableStreamDefaultController", "enqueue");31    if (!@readableStreamDefaultControllerCanCloseOrEnqueue(this))32        @throwTypeError("ReadableStreamDefaultController is not in a state where chunk can be enqueued");33    return @readableStreamDefaultControllerEnqueue(this, chunk);34}35function error(error)36{37    "use strict";38    if (!@isReadableStreamDefaultController(this))39        throw @makeThisTypeError("ReadableStreamDefaultController", "error");40    @readableStreamDefaultControllerError(this, error);41}42function close()43{44    "use strict";45    if (!@isReadableStreamDefaultController(this))46        throw @makeThisTypeError("ReadableStreamDefaultController", "close");47    if (!@readableStreamDefaultControllerCanCloseOrEnqueue(this))48        @throwTypeError("ReadableStreamDefaultController is not in a state where it can be closed");49    @readableStreamDefaultControllerClose(this);50}51@getter52function desiredSize()53{54    "use strict";55    if (!@isReadableStreamDefaultController(this))56        throw @makeGetterTypeError("ReadableStreamDefaultController", "desiredSize");57    return @readableStreamDefaultControllerGetDesiredSize(this);...

Using AI Code Generation

1const assert = require('assert');2const { ReadableStream, isReadableStreamDefaultController } = require('stream/web');3const readableStream = new ReadableStream({4  start(controller) {5    assert(isReadableStreamDefaultController(controller));6  }7});8const {9} = require('internal/webstreams/readablestream');10function IsReadableStreamDefaultController(x) {11  if (!typeIsObject(x)) {12    return false;13  }14  if (!ObjectPrototypeHasOwnProperty(x, kState)) {15    return false;16  }17  return x[kState] instanceof ReadableStreamDefaultController;18}19const {20} = require('internal/webstreams/util');21const {22} = require('internal/webstreams/readablestreamdefaultcontroller');23function setupReadableStreamDefaultController(24  sizeAlgorithm) {25  assert(stream[kState].controller === undefined);26  controller[kState] = {27  };28  stream[kState].controller = controller;29  const startResult = startAlgorithm();30  PromisePrototypeThen(31    PromiseResolve(startResult),32    () => {33      const desiredSize = readableStreamDefaultControllerGetDesiredSize(controller);34      if (desiredSize > 0)35        readableStreamDefaultControllerCallPullIfNeeded(controller);36    },37    (r) => readableStreamDefaultControllerError(controller, r));38}39class ReadableStreamDefaultController {40  constructor() {41    throw new ERR_ILLEGAL_CONSTRUCTOR();42  }43  [kInspect](depth, options) {44    return customInspect(depth, options, 'ReadableStreamDefaultController', {45    });

Using AI Code Generation

1var rs = new ReadableStream({2  start(controller) {3    assert_true(IsReadableStreamDefaultController(controller));4  }5});6var rs = new ReadableStream();7var reader = rs.getReader();8assert_true(IsReadableStreamDefaultReader(reader));9var rs = new ReadableStream({10});11var reader = rs.getReader({ mode: 'byob' });12assert_true(IsReadableStreamBYOBReader(reader));13var rs = new ReadableStream();14var reader = rs.getReader();15var controller = reader.releaseLock();16assert_true(IsReadableStreamDefaultController(controller));17var rs = new ReadableStream({18  pull(controller) {19    var view = controller.byobRequest.view;20    assert_true(IsReadableStreamBYOBRequest(controller.byobRequest));21    controller.close();22  }23});24var reader = rs.getReader({ mode: 'byob' });25var view = new Uint8Array(1);26reader.read(view).then(27    result => assert_true(result.done, 'the stream should be closed'),28    e => assert_unreached(e));29var rs = new ReadableStream({30  start(controller) {31    assert_true(IsReadableStreamBYOBRequest(controller.byobRequest));32  }33});34var reader = rs.getReader({ mode: 'byob' });35var view = new Uint8Array(1);36reader.read(view).then(37    result => assert_unreached('the stream should not be closed'),38    e => assert_unreached(e));39var rs = new ReadableStream({40  start(controller) {41    assert_true(IsReadableStreamBYOBRequest(controller.byobRequest));42  }43});44var reader = rs.getReader({ mode: 'byob' });45var view = new Uint8Array(1);46reader.read(view).then(47    result => assert_unreached('the stream should not be closed'),48    e => assert_unreached(e));

Using AI Code Generation

1const assert = require('assert');2const { ReadableStream, CountQueuingStrategy } = require('stream/web');3const { IsReadableStreamDefaultController } = require('stream/web');4const readableStream = new ReadableStream({5  start(controller) {6    assert.strictEqual(IsReadableStreamDefaultController(controller), true);7  }8});9assert.strictEqual(IsReadableStreamDefaultController(readableStream), false);10assert.throws(() => IsReadableStreamDefaultController(undefined), {11});12assert.throws(() => IsReadableStreamDefaultController(null), {13});14assert.throws(() => IsReadableStreamDefaultController(''), {15});16assert.throws(() => IsReadableStreamDefaultController(1), {17});18assert.throws(() => IsReadableStreamDefaultController(true), {19});20assert.throws(() => IsReadableStreamDefaultController({}), {21});22assert.throws(() => IsReadableStreamDefaultController([]), {23});24assert.throws(() => IsReadableStreamDefaultController(() => {}), {25});26assert.throws(() => IsReadableStreamDefaultController(Symbol()), {27});28const assert = require('assert');29const { ReadableStream, CountQueuingStrategy } = require('stream/web');30const { IsReadableStreamDefaultReader } = require('stream/web');31const readableStream = new ReadableStream({32  start(controller) {33    assert.strictEqual(IsReadableStreamDefaultReader(controller), false);34  }35});36const reader = readableStream.getReader();37assert.strictEqual(IsReadableStreamDefaultReader(reader), true);38assert.throws(() => IsReadableStreamDefaultReader(undefined), {39});40assert.throws(() => IsReadableStreamDefaultReader(null), {41});42assert.throws(() => IsReadableStreamDefaultReader(''), {43});44assert.throws(() => IsReadableStreamDefaultReader(1), {45});46assert.throws(() => IsReadableStreamDefaultReader(true), {

Using AI Code Generation

1const { ReadableStream, CountQueuingStrategy } = require('stream/web');2const { IsReadableStreamDefaultController } = require('stream/web');3const rs = new ReadableStream({4  start(controller) {5    console.log(IsReadableStreamDefaultController(controller));6  }7});8const { ReadableStream, CountQueuingStrategy } = require('stream/web');9const { ReadableStreamBYOBReader } = require('stream/web');10const rs = new ReadableStream({11});12const reader = new ReadableStreamBYOBReader(rs);13const { ReadableStream, CountQueuingStrategy } = require('stream/web');14const { ReadableStreamBYOBRequest } = require('stream/web');15const rs = new ReadableStream({16  pull(controller) {17    const view = new Uint8Array(controller.byobRequest.view);18    view[0] = 0x61;19    view[1] = 0x62;20    view[2] = 0x63;21    controller.byobRequest.respond(3);22  }23});24const reader = rs.getReader({ mode: 'byob' });25reader.read(new Uint8Array(3)).then(({ value, done }) => {26  console.log(value);27  console.log(done);28});29const { ReadableStream, CountQueuingStrategy } = require('stream/web');30const { ReadableStreamDefaultController } = require('stream/web');31const rs = new ReadableStream({32  start(controller) {33    console.log(ReadableStreamDefaultController);34  }35});36const { ReadableStream, CountQueuingStrategy } = require('stream/web');37const { ReadableStreamDefaultReader } = require('stream/web');38const rs = new ReadableStream({39  start(controller) {40    console.log(ReadableStreamDefaultReader);41  }42});

Using AI Code Generation

1const { IsReadableStreamDefaultController } = require("stream/web");2const { ReadableStreamDefaultController } = require("stream/web");3const { ReadableStream } = require("stream/web");4const { WritableStream } = require("stream/web");5const { ReadableByteStreamController } = require("stream/web");6const { ReadableStreamBYOBReader } = require("stream/web");7const { ReadableStreamBYOBRequest } = require("stream/web");8const { ReadableStreamDefaultReader } = require("stream/web");9const { WritableStreamDefaultWriter } = require("stream/web");10const { WritableStreamDefaultController } = require("stream/web");11const { ByteLengthQueuingStrategy } = require("stream/web");12const { CountQueuingStrategy } = require("stream/web");13const readableStream = new ReadableStream({14  start(controller) {15  },16  pull(controller) {17  },18  cancel(reason) {19  }20});21const reader = readableStream.getReader();22const readResult = reader.read();23if (readResult.done) {24  console.log("The stream was already closed.");25} else {26  console.log("The stream has more data.");27}28const writableStream = new WritableStream({29  start(controller) {30  },31  write(chunk, controller) {32  },33  close(controller) {34  },35  abort(reason) {36  }37});38const writer = writableStream.getWriter();39writer.write("a");40writer.write("b");41writer.write("c");42writer.close();43const { TransformStream } = require("stream/web");44const ts = new TransformStream({45  start(controller) {46    console.log("[start]");47  },48  transform(chunk, controller) {49    console.log("[transform]", chunk);50    controller.enqueue(chunk);51  },52  flush(controller) {53    console.log("[flush]");54    controller.enqueue("!");55  },56  async shutdown() {

Using AI Code Generation

1const assert = require('assert');2const { ReadableStream, CountQueuingStrategy } = require('stream/web');3const rs = new ReadableStream({4    start(c) {5        assert(IsReadableStreamDefaultController(c));6    }7});8test(() => {9  const rs = new ReadableStream();10  assert(IsReadableStreamDefaultController(rs._controller));11}, 'ReadableStream instances should have a [[controller]] internal slot');

Using AI Code Generation

1const { IsReadableStreamDefaultController } = require("stream/web");2const { ReadableStream } = require("stream");3const rs = new ReadableStream();4const controller = rs.getReader().readableStreamController;5console.log(IsReadableStreamDefaultController(controller));6IsReadableStreamDefaultController ( controller )7if controller is a ReadableStreamDefaultController object; otherwise,8const { IsReadableStreamDefaultController } = require("stream/web");9const { ReadableStream } = require("stream");10const rs = new ReadableStream();11const controller = rs.getReader().readableStreamController;12console.log(IsReadableStreamDefaultController(controller));

Using AI Code Generation

1const { IsReadableStreamDefaultController } = require("web-streams-polyfill/ponyfill");2const { IsReadableStreamDefaultController } = require("web-streams-polyfill");3const { IsReadableStreamDefaultController } = require("web-streams-polyfill/ponyfill");4const { IsReadableStreamDefaultController } = require("web-streams-polyfill");5const controller = new ReadableStreamDefaultController();6const { ReadableStreamDefaultControllerClose } = require("web-streams-polyfill/ponyfill");7const { ReadableStreamDefaultControllerClose } = require("web-streams-polyfill");8const rs = new ReadableStream({9  pull(controller) {10    controller.enqueue("a");11    controller.enqueue("b");12    controller.enqueue("c");13    ReadableStreamDefaultControllerClose(controller);14  },15});

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