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How to use byobReader method in wpt

Best JavaScript code snippet using wpt

adapters.ts

Source:adapters.ts

1// Licensed to the Apache Software Foundation (ASF) under one2// or more contributor license agreements.  See the NOTICE file3// distributed with this work for additional information4// regarding copyright ownership.  The ASF licenses this file5// to you under the Apache License, Version 2.0 (the6// "License"); you may not use this file except in compliance7// with the License.  You may obtain a copy of the License at8//9//   http://www.apache.org/licenses/LICENSE-2.010//11// Unless required by applicable law or agreed to in writing,12// software distributed under the License is distributed on an13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY14// KIND, either express or implied.  See the License for the15// specific language governing permissions and limitations16// under the License.17import {18  toUint8Array,19  joinUint8Arrays,20  ArrayBufferViewInput,21  toUint8ArrayIterator,22  toUint8ArrayAsyncIterator23} from '../buffer'; //'../util/buffer';24import { ReadableDOMStreamOptions } from './interfaces';25interface ReadableStreamReadResult<T> { done: boolean; value: T }26type Uint8ArrayGenerator = Generator<Uint8Array, null, { cmd: 'peek' | 'read'; size: number }>;27type AsyncUint8ArrayGenerator = AsyncGenerator<Uint8Array, null, { cmd: 'peek' | 'read'; size: number }>;28/** @ignore */29export default {30  fromIterable<T extends ArrayBufferViewInput>(source: Iterable<T> | T): Uint8ArrayGenerator {31      return pump(fromIterable<T>(source));32  },33  fromAsyncIterable<T extends ArrayBufferViewInput>(source: AsyncIterable<T> | PromiseLike<T>): AsyncUint8ArrayGenerator {34      return pump(fromAsyncIterable<T>(source));35  },36  fromDOMStream<T extends ArrayBufferViewInput>(source: ReadableStream<T>): AsyncUint8ArrayGenerator {37      return pump(fromDOMStream<T>(source));38  },39  fromNodeStream(stream: NodeJS.ReadableStream): AsyncUint8ArrayGenerator {40      return pump(fromNodeStream(stream));41  },42  // @ts-ignore43  toDOMStream<T>(source: Iterable<T> | AsyncIterable<T>, options?: ReadableDOMStreamOptions): ReadableStream<T> {44      throw new Error(`"toDOMStream" not available in this environment`);45  },46  // @ts-ignore47  toNodeStream<T>(source: Iterable<T> | AsyncIterable<T>, options?: import('stream').ReadableOptions): import('stream').Readable {48      throw new Error(`"toNodeStream" not available in this environment`);49  },50};51/** @ignore */52const pump = <T extends Uint8ArrayGenerator | AsyncUint8ArrayGenerator>(iterator: T) => { iterator.next(); return iterator; };53/** @ignore */54function* fromIterable<T extends ArrayBufferViewInput>(source: Iterable<T> | T): Uint8ArrayGenerator {55  let done: boolean | undefined, threw = false;56  let buffers: Uint8Array[] = [], buffer: Uint8Array;57  let cmd: 'peek' | 'read', size: number, bufferLength = 0;58  function byteRange() {59      if (cmd === 'peek') {60          return joinUint8Arrays(buffers, size)[0];61      }62      [buffer, buffers, bufferLength] = joinUint8Arrays(buffers, size);63      return buffer;64  }65  // Yield so the caller can inject the read command before creating the source Iterator66  ({ cmd, size } = yield <any> null);67  // initialize the iterator68  const it = toUint8ArrayIterator(source)[Symbol.iterator]();69  try {70      do {71          // read the next value72          ({ done, value: buffer } = isNaN(size - bufferLength) ?73              it.next(undefined) : it.next(size - bufferLength));74          // if chunk is not null or empty, push it onto the queue75          if (!done && buffer.byteLength > 0) {76              buffers.push(buffer);77              bufferLength += buffer.byteLength;78          }79          // If we have enough bytes in our buffer, yield chunks until we don't80          if (done || size <= bufferLength) {81              do {82                  ({ cmd, size } = yield byteRange());83              } while (size < bufferLength);84          }85      } while (!done);86  } catch (e) {87      (threw = true) && (typeof it.throw === 'function') && (it.throw(e));88  } finally {89      (threw === false) && (typeof it.return === 'function') && (it.return(null!));90  }91  return null;92}93/** @ignore */94async function* fromAsyncIterable<T extends ArrayBufferViewInput>(source: AsyncIterable<T> | PromiseLike<T>): AsyncUint8ArrayGenerator {95  let done: boolean | undefined, threw = false;96  let buffers: Uint8Array[] = [], buffer: Uint8Array;97  let cmd: 'peek' | 'read', size: number, bufferLength = 0;98  function byteRange() {99      if (cmd === 'peek') {100          return joinUint8Arrays(buffers, size)[0];101      }102      [buffer, buffers, bufferLength] = joinUint8Arrays(buffers, size);103      return buffer;104  }105  // Yield so the caller can inject the read command before creating the source AsyncIterator106  ({ cmd, size } = (yield <any> null)!);107  // initialize the iterator108  const it = toUint8ArrayAsyncIterator(source)[Symbol.asyncIterator]();109  try {110      do {111          // read the next value112          ({ done, value: buffer } = isNaN(size - bufferLength)113              ? await it.next(undefined)114              : await it.next(size - bufferLength));115          // if chunk is not null or empty, push it onto the queue116          if (!done && buffer.byteLength > 0) {117              buffers.push(buffer);118              bufferLength += buffer.byteLength;119          }120          // If we have enough bytes in our buffer, yield chunks until we don't121          if (done || size <= bufferLength) {122              do {123                  ({ cmd, size } = yield byteRange());124              } while (size < bufferLength);125          }126      } while (!done);127  } catch (e) {128      (threw = true) && (typeof it.throw === 'function') && (await it.throw(e));129  } finally {130      (threw === false) && (typeof it.return === 'function') && (await it.return(new Uint8Array(0)));131  }132  return null;133}134// All this manual Uint8Array chunk management can be avoided if/when engines135// add support for ArrayBuffer.transfer() or ArrayBuffer.prototype.realloc():136// https://github.com/domenic/proposal-arraybuffer-transfer137/** @ignore */138async function* fromDOMStream<T extends ArrayBufferViewInput>(source: ReadableStream<T>): AsyncUint8ArrayGenerator {139  let done = false, threw = false;140  let buffers: Uint8Array[] = [], buffer: Uint8Array;141  let cmd: 'peek' | 'read', size: number, bufferLength = 0;142  function byteRange() {143      if (cmd === 'peek') {144          return joinUint8Arrays(buffers, size)[0];145      }146      [buffer, buffers, bufferLength] = joinUint8Arrays(buffers, size);147      return buffer;148  }149  // Yield so the caller can inject the read command before we establish the ReadableStream lock150  ({ cmd, size } = yield <any> null);151  // initialize the reader and lock the stream152  const it = new AdaptiveByteReader(source);153  try {154      do {155          // read the next value156          ({ done, value: buffer } = isNaN(size - bufferLength)157              ? await it['read'](undefined)158              : await it['read'](size - bufferLength));159          // if chunk is not null or empty, push it onto the queue160          if (!done && buffer.byteLength > 0) {161              buffers.push(toUint8Array(buffer));162              bufferLength += buffer.byteLength;163          }164          // If we have enough bytes in our buffer, yield chunks until we don't165          if (done || size <= bufferLength) {166              do {167                  ({ cmd, size } = yield byteRange());168              } while (size < bufferLength);169          }170      } while (!done);171  } catch (e) {172      (threw = true) && (await it['cancel'](e));173  } finally {174      (threw === false) ? (await it['cancel']())175          : source['locked'] && it.releaseLock();176  }177  return null;178}179/** @ignore */180class AdaptiveByteReader<T extends ArrayBufferViewInput> {181  private supportsBYOB: boolean;182  private byobReader: ReadableStreamBYOBReader | null = null;183  private defaultReader: ReadableStreamDefaultReader<T> | null = null;184  private reader: ReadableStreamBYOBReader | ReadableStreamDefaultReader<T> | null;185  constructor(private source: ReadableStream<T>) {186      try {187          this.supportsBYOB = !!(this.reader = this.getBYOBReader());188      } catch (e) {189          this.supportsBYOB = !(this.reader = this.getDefaultReader());190      }191  }192  get closed(): Promise<void> {193      return this.reader ? this.reader['closed'].catch(() => {}) : Promise.resolve();194  }195  releaseLock(): void {196      if (this.reader) {197          this.reader.releaseLock();198      }199      this.reader = this.byobReader = this.defaultReader = null;200  }201  async cancel(reason?: any): Promise<void> {202      const { reader, source } = this;203      reader && (await reader['cancel'](reason).catch(() => {}));204      source && (source['locked'] && this.releaseLock());205  }206  async read(size?: number): Promise<ReadableStreamReadResult<Uint8Array>> {207      if (size === 0) {208          return { done: this.reader == null, value: new Uint8Array(0) };209      }210      const result = !this.supportsBYOB || typeof size !== 'number'211          ? await this.getDefaultReader().read()212          : await this.readFromBYOBReader(size);213      !result.done && (result.value = toUint8Array(result as ReadableStreamReadResult<Uint8Array>));214      return result as ReadableStreamReadResult<Uint8Array>;215  }216  private getDefaultReader() {217      if (this.byobReader) { this.releaseLock(); }218      if (!this.defaultReader) {219          this.defaultReader = this.source['getReader']();220          // We have to catch and swallow errors here to avoid uncaught promise rejection exceptions221          // that seem to be raised when we call `releaseLock()` on this reader. I'm still mystified222          // about why these errors are raised, but I'm sure there's some important spec reason that223          // I haven't considered. I hate to employ such an anti-pattern here, but it seems like the224          // only solution in this case :/225          this.defaultReader['closed'].catch(() => {});226      }227      return (this.reader = this.defaultReader);228  }229  private getBYOBReader() {230      if (this.defaultReader) { this.releaseLock(); }231      if (!this.byobReader) {232          this.byobReader = this.source['getReader']({ mode: 'byob' });233          // We have to catch and swallow errors here to avoid uncaught promise rejection exceptions234          // that seem to be raised when we call `releaseLock()` on this reader. I'm still mystified235          // about why these errors are raised, but I'm sure there's some important spec reason that236          // I haven't considered. I hate to employ such an anti-pattern here, but it seems like the237          // only solution in this case :/238          this.byobReader['closed'].catch(() => {});239      }240      return (this.reader = this.byobReader);241  }242  // This strategy plucked from the example in the streams spec:243  // https://streams.spec.whatwg.org/#example-manual-read-bytes244  private async readFromBYOBReader(size: number) {245      return await readInto(this.getBYOBReader(), new ArrayBuffer(size), 0, size);246  }247}248/** @ignore */249async function readInto(reader: ReadableStreamBYOBReader, buffer: ArrayBufferLike, offset: number, size: number): Promise<ReadableStreamReadResult<Uint8Array>> {250  if (offset >= size) {251      return { done: false, value: new Uint8Array(buffer, 0, size) };252  }253  const { done, value } = await reader.read(new Uint8Array(buffer, offset, size - offset));254  if (((offset += value!.byteLength) < size) && !done) {255      return await readInto(reader, value!.buffer, offset, size);256  }257  return { done, value: new Uint8Array(value!.buffer, 0, offset) };258}259/** @ignore */260type EventName = 'end' | 'error' | 'readable';261/** @ignore */262type Event = [EventName, (_: any) => void, Promise<[EventName, Error | null]>];263/** @ignore */264const onEvent = <T extends string>(stream: NodeJS.ReadableStream, event: T) => {265  const handler = (_: any) => resolve([event, _]);266  let resolve: (value?: [T, any] | PromiseLike<[T, any]>) => void;267  return [event, handler, new Promise<[T, any]>(268      (r) => (resolve = r) && stream['once'](event, handler)269  )] as Event;270};271/** @ignore */272async function* fromNodeStream(stream: NodeJS.ReadableStream): AsyncUint8ArrayGenerator {273  const events: Event[] = [];274  let event: EventName = 'error';275  let done = false, err: Error | null = null;276  let cmd: 'peek' | 'read', size: number, bufferLength = 0;277  let buffers: Uint8Array[] = [], buffer: Uint8Array | Buffer | string;278  function byteRange() {279      if (cmd === 'peek') {280          return joinUint8Arrays(buffers, size)[0];281      }282      [buffer, buffers, bufferLength] = joinUint8Arrays(buffers, size);283      return buffer;284  }285  // Yield so the caller can inject the read command before we286  // add the listener for the source stream's 'readable' event.287  ({ cmd, size } = yield <any> null);288  // ignore stdin if it's a TTY289  if ((stream as any)['isTTY']) {290      yield new Uint8Array(0);291      return null;292  }293  try {294      // initialize the stream event handlers295      events[0] = onEvent(stream, 'end');296      events[1] = onEvent(stream, 'error');297      do {298          events[2] = onEvent(stream, 'readable');299          // wait on the first message event from the stream300          [event, err] = await Promise.race(events.map((x) => x[2]));301          // if the stream emitted an Error, rethrow it302          if (event === 'error') { break; }303          if (!(done = event === 'end')) {304              // If the size is NaN, request to read everything in the stream's internal buffer305              if (!isFinite(size - bufferLength)) {306                  buffer = toUint8Array(stream['read'](undefined));307              } else {308                  buffer = toUint8Array(stream['read'](size - bufferLength));309                  // If the byteLength is 0, then the requested amount is more than the stream has310                  // in its internal buffer. In this case the stream needs a "kick" to tell it to311                  // continue emitting readable events, so request to read everything the stream312                  // has in its internal buffer right now.313                  if (buffer.byteLength < (size - bufferLength)) {314                      buffer = toUint8Array(stream['read'](undefined));315                  }316              }317              // if chunk is not null or empty, push it onto the queue318              if (buffer.byteLength > 0) {319                  buffers.push(buffer);320                  bufferLength += buffer.byteLength;321              }322          }323          // If we have enough bytes in our buffer, yield chunks until we don't324          if (done || size <= bufferLength) {325              do {326                  ({ cmd, size } = yield byteRange());327              } while (size < bufferLength);328          }329      } while (!done);330  } finally {331      await cleanup(events, event === 'error' ? err : null);332  }333  return null;334  function cleanup<T extends Error | null | void>(events: Event[], err?: T) {335      buffer = buffers = <any> null;336      return new Promise<T>((resolve, reject) => {337          for (const [evt, fn] of events) {338              stream['off'](evt, fn);339          }340          try {341              // Some stream implementations don't call the destroy callback,342              // because it's really a node-internal API. Just calling `destroy`343              // here should be enough to conform to the ReadableStream contract344              const destroy = (stream as any)['destroy'];345              destroy && destroy.call(stream, err);346              err = undefined;347          } catch (e) { err = e || err; } finally {348              err != null ? reject(err) : resolve();349          }350      });351  }...

brand-checks.any.js

Source:brand-checks.any.js

1// META: global=worker,jsshell2// META: script=../resources/test-utils.js3'use strict';4let ReadableStreamBYOBReader;5let ReadableByteStreamController;6test(() => {7  // It's not exposed globally, but we test a few of its properties here.8  ReadableStreamBYOBReader = realRSBYOBReader().constructor;9  assert_equals(ReadableStreamBYOBReader.name, 'ReadableStreamBYOBReader', 'ReadableStreamBYOBReader should be set');10}, 'Can get the ReadableStreamBYOBReader constructor indirectly');11test(() => {12  // It's not exposed globally, but we test a few of its properties here.13  ReadableByteStreamController = realRBSController().constructor;14  assert_equals(ReadableByteStreamController.name, 'ReadableByteStreamController',15                'ReadableByteStreamController should be set');16}, 'Can get the ReadableByteStreamController constructor indirectly');17function fakeRS() {18  return Object.setPrototypeOf({19    cancel() { return Promise.resolve(); },20    getReader() { return realRSBYOBReader(); },21    pipeThrough(obj) { return obj.readable; },22    pipeTo() { return Promise.resolve(); },23    tee() { return [realRS(), realRS()]; }24  }, ReadableStream.prototype);25}26function realRS() {27  return new ReadableStream();28}29function fakeRSBYOBReader() {30  return Object.setPrototypeOf({31    get closed() { return Promise.resolve(); },32    cancel() { return Promise.resolve(); },33    read() { return Promise.resolve({ value: undefined, done: true }); },34    releaseLock() { return; }35  }, ReadableStreamBYOBReader.prototype);36}37function realRSBYOBReader() {38  return new ReadableStream({ type: 'bytes' }).getReader({ mode: 'byob' });39}40function fakeRBSController() {41  return Object.setPrototypeOf({42    close() { },43    enqueue() { },44    error() { }45  }, ReadableByteStreamController.prototype);46}47function realRBSController() {48  let controller;49  new ReadableStream({50    start(c) {51      controller = c;52    },53    type: 'bytes'54  });55  return controller;56}57test(() => {58  assert_throws(new TypeError(), () => new ReadableStreamBYOBReader(fakeRS()), 'constructor should throw');59}, 'ReadableStreamBYOBReader enforces a brand check on its argument');60promise_test(t => {61  return getterRejectsForAll(t, ReadableStreamBYOBReader.prototype, 'closed',62                             [fakeRSBYOBReader(), realRS(), realRBSController(), undefined, null]);63}, 'ReadableStreamBYOBReader.prototype.closed enforces a brand check');64promise_test(t => {65  return methodRejectsForAll(t, ReadableStreamBYOBReader.prototype, 'cancel',66                             [fakeRSBYOBReader(), realRS(), realRBSController(), undefined, null]);67}, 'ReadableStreamBYOBReader.prototype.cancel enforces a brand check');68promise_test(t => {69  return methodRejectsForAll(t, ReadableStreamBYOBReader.prototype, 'read',70                             [fakeRSBYOBReader(), realRS(), realRBSController(), undefined, null], [new Uint8Array(1)]);71}, 'ReadableStreamBYOBReader.prototype.read enforces a brand check');72test(() => {73  methodThrowsForAll(ReadableStreamBYOBReader.prototype, 'releaseLock',74                     [fakeRSBYOBReader(), realRS(), realRBSController(), undefined, null]);75}, 'ReadableStreamBYOBReader.prototype.releaseLock enforces a brand check');76test(() => {77  assert_throws(new TypeError(), () => new ReadableByteStreamController(fakeRS()),78                'Constructing a ReadableByteStreamController should throw');79}, 'ReadableByteStreamController enforces a brand check on its arguments');80test(() => {81  assert_throws(new TypeError(), () => new ReadableByteStreamController(realRS()),82                'Constructing a ReadableByteStreamController should throw');83}, 'ReadableByteStreamController can\'t be given a fully-constructed ReadableStream');84test(() => {85  getterThrowsForAll(ReadableByteStreamController.prototype, 'byobRequest',86                     [fakeRBSController(), realRS(), realRSBYOBReader(), undefined, null]);87}, 'ReadableByteStreamController.prototype.byobRequest enforces a brand check');88test(() => {89  methodThrowsForAll(ReadableByteStreamController.prototype, 'close',90                     [fakeRBSController(), realRS(), realRSBYOBReader(), undefined, null]);91}, 'ReadableByteStreamController.prototype.close enforces a brand check');92test(() => {93  methodThrowsForAll(ReadableByteStreamController.prototype, 'enqueue',94                     [fakeRBSController(), realRS(), realRSBYOBReader(), undefined, null], [new Uint8Array(1)]);95}, 'ReadableByteStreamController.prototype.enqueue enforces a brand check');96test(() => {97  methodThrowsForAll(ReadableByteStreamController.prototype, 'error',98                     [fakeRBSController(), realRS(), realRSBYOBReader(), undefined, null]);99}, 'ReadableByteStreamController.prototype.error enforces a brand check');100// ReadableStreamBYOBRequest can only be accessed asynchronously, so cram everything into one test.101promise_test(t => {102  let ReadableStreamBYOBRequest;103  const rs = new ReadableStream({104    pull(controller) {105      return t.step(() => {106        const byobRequest = controller.byobRequest;107        ReadableStreamBYOBRequest = byobRequest.constructor;108        brandChecks();109        byobRequest.respond(1);110      });111    },112    type: 'bytes'113  });114  const reader = rs.getReader({ mode: 'byob' });115  return reader.read(new Uint8Array(1));116  function fakeRSBYOBRequest() {117    return Object.setPrototypeOf({118      get view() {},119      respond() {},120      respondWithNewView() {}121    }, ReadableStreamBYOBRequest.prototype);122  }123  function brandChecks() {124    for (const badController of [fakeRBSController(), realRS(), realRSBYOBReader(), undefined, null]) {125      assert_throws(new TypeError(), () => new ReadableStreamBYOBRequest(badController, new Uint8Array(1)),126                    'ReadableStreamBYOBRequest constructor must throw for an invalid controller argument');127    }128    getterThrowsForAll(ReadableStreamBYOBRequest.prototype, 'view',129                       [fakeRSBYOBRequest(), realRS(), realRSBYOBReader(), realRBSController(), undefined, null]);130    methodThrowsForAll(ReadableStreamBYOBRequest.prototype, 'respond',131                       [fakeRSBYOBRequest(), realRS(), realRSBYOBReader(), realRBSController(), undefined, null], [1]);132    methodThrowsForAll(ReadableStreamBYOBRequest.prototype, 'respondWithNewView',133                       [fakeRSBYOBRequest(), realRS(), realRSBYOBReader(), realRBSController(), undefined, null],134                       [new Uint8Array(1)]);135  }...

streams.d.ts

Source:streams.d.ts

1/**2 * The type of `ReadableStreamBYOBReader` is not included in Typescript so we3 * are declaring it inline to not have to worry about bundling.4 */5declare class ReadableStreamBYOBReader {6  constructor(stream: ReadableStream<Uint8Array>)7  get closed(): Promise<undefined>8  cancel(reason?: any): Promise<void>9  read<T extends ArrayBufferView>(10    view: T11  ): Promise<{ done: false; value: T } | { done: true; value: T | undefined }>12  releaseLock(): void13}14declare const ReadableStreamConstructor: typeof ReadableStream15declare const ReadableStreamBYOBReaderConstructor: typeof ReadableStreamBYOBReader16declare const ReadableStreamDefaultReaderConstructor: typeof ReadableStreamDefaultReader17declare const TransformStreamConstructor: typeof TransformStream18declare const WritableStreamConstructor: typeof WritableStream19declare const WritableStreamDefaultWriterConstructor: typeof WritableStreamDefaultWriter...

Using AI Code Generation

1var byobRequest = new ReadableStream({2  start(controller) {3    var chunk = new Uint8Array([0x00, 0x01, 0x02, 0x03, 0x04]);4    controller.enqueue(chunk);5    controller.close();6  }7}).getReader({ mode: 'byob' }).read(new Uint8Array(5));8byobRequest.then(function(result) {9  console.log(result);10});11var byobRequest = new ReadableStream({12  start(controller) {13    var chunk = new Uint8Array([0x00, 0x01, 0x02, 0x03, 0x04]);14    controller.enqueue(chunk);15    controller.close();16  }17}).getReader({ mode: 'byob' }).read(new Uint8Array(1));18byobRequest.then(function(result) {19  console.log(result);20});21var byobRequest = new ReadableStream({22  start(controller) {23    var chunk = new Uint8Array([0x00, 0x01, 0x02, 0x03, 0x04]);24    controller.enqueue(chunk);25    controller.close();26  }27}).getReader({ mode: 'byob' }).read(new Uint8Array(5));28byobRequest.then(function(result) {29  console.log(result);30});31var byobRequest = new ReadableStream({32  start(controller) {33    var chunk = new Uint8Array([0x00, 0x01, 0x02, 0x03, 0x04]);34    controller.enqueue(chunk);35    controller.close();36  }37}).getReader({ mode: 'byob' }).read(new Uint8Array(1));38byobRequest.then(function(result) {39  console.log(result);40});

Using AI Code Generation

1var wpt = new WebPageTest('www.webpagetest.org');2    if (err) {3        console.log('Error: ' + err);4    } else {5        console.log('Test Status: ' + data.statusText);6        wpt.byobReader(data.data.testId, function(err, data) {7            if (err) {8                console.log('Error: ' + err);9            } else {10                console.log('Test Status: ' + data.statusText);11            }12        });13    }14});15var wpt = new WebPageTest('www.webpagetest.org');16    if (err) {17        console.log('Error: ' + err);18    } else {19        console.log('Test Status: ' + data.statusText);20        wpt.byobReader(data.data.testId, function(err, data) {21            if (err) {22                console.log('Error: ' + err);23            } else {24                console.log('Test Status: ' + data.statusText);25            }26        });27    }28});29var wpt = new WebPageTest('www.webpagetest.org');30    if (err) {31        console.log('Error: ' + err);32    } else {33        console.log('Test Status: ' + data.statusText);34        wpt.byobReader(data.data.testId, function(err, data) {35            if (err) {36                console.log('Error: ' + err);37            } else {38                console.log('Test Status: ' + data.statusText);39            }40        });41    }42});43var wpt = new WebPageTest('www.webpagetest.org');44    if (err) {45        console.log('Error: ' + err);46    } else {

Using AI Code Generation

1function readBlob(blob) {2  return new Promise((resolve, reject) => {3    const reader = new FileReader();4    reader.onload = () => resolve(reader.result);5    reader.onerror = reject;6    reader.readAsArrayBuffer(blob);7  });8}9const byobReader = response.body.getReader({ mode: "byob" });10const buffer = new ArrayBuffer(1024);11const bufferView = new Uint8Array(buffer);12const result = await byobReader.read(bufferView);13function readBlob(blob) {14  return new Promise((resolve, reject) => {15    const reader = new FileReader();16    reader.onload = () => resolve(reader.result);17    reader.onerror = reject;18    reader.readAsArrayBuffer(blob);19  });20}21const byobReader = response.body.getReader({ mode: "byob" });22const buffer = new ArrayBuffer(1024);23const bufferView = new Uint8Array(buffer);24const result = await byobReader.read(bufferView);25function readBlob(blob) {26  return new Promise((resolve, reject) => {27    const reader = new FileReader();28    reader.onload = () => resolve(reader.result);29    reader.onerror = reject;30    reader.readAsArrayBuffer(blob);31  });32}33const byobReader = response.body.getReader({ mode: "byob" });34const buffer = new ArrayBuffer(1024);35const bufferView = new Uint8Array(buffer);36const result = await byobReader.read(bufferView);37function readBlob(blob) {38  return new Promise((resolve, reject) => {39    const reader = new FileReader();40    reader.onload = () => resolve(reader.result);41    reader.onerror = reject;42    reader.readAsArrayBuffer(blob);43  });44}

Using AI Code Generation

1let byobReader = wpt.byobReader;2let byobRequest = byobReader.byobRequest;3let view = byobRequest.view;4let viewLength = view.byteLength;5let viewOffset = view.byteOffset;6let viewBuffer = view.buffer;7let readableStreamBYOBReader = wpt.readableStreamBYOBReader;8let readableStreamBYOBRequest = readableStreamBYOBReader.readableStreamBYOBRequest;9let view = readableStreamBYOBRequest.view;10let viewLength = view.byteLength;11let viewOffset = view.byteOffset;12let viewBuffer = view.buffer;13let readableStreamReader = wpt.readableStreamReader;14let readableStreamDefaultReader = readableStreamReader.readableStreamDefaultReader;15let readableStreamDefaultRequest = readableStreamDefaultReader.readableStreamDefaultRequest;16let view = readableStreamDefaultRequest.view;17let viewLength = view.byteLength;18let viewOffset = view.byteOffset;19let viewBuffer = view.buffer;20let readableStreamDefaultReader = wpt.readableStreamDefaultReader;21let readableStreamDefaultRequest = readableStreamDefaultReader.readableStreamDefaultRequest;22let view = readableStreamDefaultRequest.view;23let viewLength = view.byteLength;24let viewOffset = view.byteOffset;25let viewBuffer = view.buffer;26let readableStreamBYOBRequest = wpt.readableStreamBYOBRequest;27let view = readableStreamBYOBRequest.view;28let viewLength = view.byteLength;29let viewOffset = view.byteOffset;30let viewBuffer = view.buffer;31let readableStreamDefaultRequest = wpt.readableStreamDefaultRequest;32let view = readableStreamDefaultRequest.view;33let viewLength = view.byteLength;34let viewOffset = view.byteOffset;35let viewBuffer = view.buffer;36let readableStream = wpt.readableStream;37let readableStreamBYOBReader = readableStream.getReader({mode: "byob"});38let readableStreamDefaultReader = readableStream.getReader();39let view = new Uint8Array(1024);40let byobRequest = readableStreamBYOBReader.read(view);

Using AI Code Generation

1const BYOBRequest = new Request(url, {method: "GET"});2const BYOBReader = BYOBRequest.body.getReader({mode: "byob"});3const view = new Uint8Array(1);4BYOBReader.read(view).then(result => {5    console.log(result);6    BYOBReader.releaseLock();7});8const BYOBRequest = new Request(url, {method: "GET"});9const BYOBReader = BYOBRequest.body.getReader({mode: "byob"});10const view = new Uint8Array(1);11BYOBReader.read(view).then(result => {12    console.log(result);13    BYOBReader.releaseLock();14});15const BYOBRequest = new Request(url, {method: "GET"});16const BYOBReader = BYOBRequest.body.getReader({mode: "byob"});17const view = new Uint8Array(1);18BYOBReader.read(view).then(result => {19    console.log(result);20    BYOBReader.releaseLock();21});22const BYOBRequest = new Request(url, {method: "GET"});23const BYOBReader = BYOBRequest.body.getReader({mode: "byob"});24const view = new Uint8Array(1);25BYOBReader.read(view).then(result => {26    console.log(result);27    BYOBReader.releaseLock();28});29const BYOBRequest = new Request(url, {method: "GET"});30const BYOBReader = BYOBRequest.body.getReader({mode: "byob"});31const view = new Uint8Array(1);

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.