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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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
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