How to use queuingStrategy method in wpt

Best JavaScript code snippet using wpt

StreamSaver.js

Source:StreamSaver.js Github

copy

Full Screen

1/* global location WritableStream ReadableStream define MouseEvent MessageChannel TransformStream */ ;2((name, definition) => {3 typeof module !== 'undefined' ?4 module.exports = definition() :5 typeof define === 'function' && typeof define.amd === 'object' ?6 define(definition) :7 this[name] = definition()8})('streamSaver', () => {9 'use strict'10 const secure = location.protocol === 'https:' ||11 location.protocol === 'chrome-extension:' ||12 location.hostname === 'localhost'13 let iframe14 let loaded15 let transfarableSupport = false16 let streamSaver = {17 createWriteStream,18 supported: false,19 version: {20 full: '1.2.0',21 major: 1,22 minor: 2,23 dot: 024 }25 }26 streamSaver.mitm = 'https://jimmywarting.github.io/StreamSaver.js/mitm.html?version=' +27 streamSaver.version.full28 try {29 // Some browser has it but ain't allowed to construct a stream yet30 streamSaver.supported = 'serviceWorker' in navigator && !!new ReadableStream()31 } catch (err) {}32 try {33 const {34 readable35 } = new TransformStream()36 const mc = new MessageChannel()37 mc.port1.postMessage(readable, [readable])38 mc.port1.close()39 mc.port2.close()40 transfarableSupport = readable.locked === true41 } catch (err) {42 // Was first enabled in chrome v7343 }44 function createWriteStream(filename, queuingStrategy, size) {45 // normalize arguments46 if (Number.isFinite(queuingStrategy)) {47 [size, queuingStrategy] = [queuingStrategy, size]48 }49 let channel = new MessageChannel()50 let popup51 let setupChannel = readableStream => new Promise(resolve => {52 const args = [{53 filename,54 size55 }, '*', [channel.port2]]56 // Pass along transfarable stream57 if (readableStream) {58 args[0].readableStream = readableStream59 args[2].push(readableStream)60 }61 channel.port1.onmessage = evt => {62 // Service worker sent us a link from where63 // we recive the readable link (stream)64 if (evt.data.download) {65 resolve() // Signal that the writestream are ready to recive data66 if (!secure) popup.close() // don't need the popup any longer67 if (window.chrome && chrome.extension &&68 chrome.extension.getBackgroundPage &&69 chrome.extension.getBackgroundPage() === window) {70 chrome.tabs.create({71 url: evt.data.download,72 active: false73 })74 } else {75 window.location = evt.data.download76 }77 // Cleanup78 if (readableStream) {79 // We don't need postMessages now when stream are transferable80 channel.port1.close()81 channel.port2.close()82 }83 channel.port1.onmessage = null84 }85 }86 if (secure && !iframe) {87 iframe = document.createElement('iframe')88 iframe.src = streamSaver.mitm89 iframe.hidden = true90 document.body.appendChild(iframe)91 }92 if (secure && !loaded) {93 let fn94 iframe.addEventListener('load', fn = () => {95 loaded = true96 iframe.removeEventListener('load', fn)97 iframe.contentWindow.postMessage(...args)98 })99 }100 if (secure && loaded) {101 iframe.contentWindow.postMessage(...args)102 }103 if (!secure) {104 popup = window.open(streamSaver.mitm, Math.random())105 let onready = evt => {106 if (evt.source === popup) {107 popup.postMessage(...args)108 window.removeEventListener('message', onready)109 }110 }111 // Another problem that cross origin don't allow is scripting112 // so popup.onload() don't work but postMessage still dose113 // work cross origin114 window.addEventListener('message', onready)115 }116 })117 if (transfarableSupport) {118 const ts = new TransformStream({119 start() {120 return new Promise(resolve =>121 setTimeout(() => setupChannel(ts.readable).then(resolve))122 )123 }124 }, queuingStrategy)125 return ts.writable126 }127 return new WritableStream({128 start() {129 // is called immediately, and should perform any actions130 // necessary to acquire access to the underlying sink.131 // If this process is asynchronous, it can return a promise132 // to signal success or failure.133 return setupChannel()134 },135 write(chunk) {136 // is called when a new chunk of data is ready to be written137 // to the underlying sink. It can return a promise to signal138 // success or failure of the write operation. The stream139 // implementation guarantees that this method will be called140 // only after previous writes have succeeded, and never after141 // close or abort is called.142 // TODO: Kind of important that service worker respond back when143 // it has been written. Otherwise we can't handle backpressure144 // EDIT: Transfarable streams solvs this...145 channel.port1.postMessage(chunk)146 },147 close() {148 channel.port1.postMessage('end')149 },150 abort() {151 channel.port1.postMessage('abort')152 }153 }, queuingStrategy)154 }155 return streamSaver...

Full Screen

Full Screen

queuing-strategies.any.js

Source:queuing-strategies.any.js Github

copy

Full Screen

1// META: global=window,worker,jsshell2'use strict';3const highWaterMarkConversions = new Map([4 [-Infinity, -Infinity],5 [-5, -5],6 [false, 0],7 [true, 1],8 [NaN, NaN],9 ['foo', NaN],10 ['0', 0],11 [{}, NaN],12 [() => {}, NaN]13]);14for (const QueuingStrategy of [CountQueuingStrategy, ByteLengthQueuingStrategy]) {15 test(() => {16 new QueuingStrategy({ highWaterMark: 4 });17 }, `${QueuingStrategy.name}: Can construct a with a valid high water mark`);18 test(() => {19 const highWaterMark = 1;20 const highWaterMarkObjectGetter = {21 get highWaterMark() { return highWaterMark; }22 };23 const error = new Error('wow!');24 const highWaterMarkObjectGetterThrowing = {25 get highWaterMark() { throw error; }26 };27 assert_throws_js(TypeError, () => new QueuingStrategy(), 'construction fails with undefined');28 assert_throws_js(TypeError, () => new QueuingStrategy(null), 'construction fails with null');29 assert_throws_js(TypeError, () => new QueuingStrategy(true), 'construction fails with true');30 assert_throws_js(TypeError, () => new QueuingStrategy(5), 'construction fails with 5');31 assert_throws_js(TypeError, () => new QueuingStrategy({}), 'construction fails with {}');32 assert_throws_exactly(error, () => new QueuingStrategy(highWaterMarkObjectGetterThrowing),33 'construction fails with an object with a throwing highWaterMark getter');34 assert_equals((new QueuingStrategy(highWaterMarkObjectGetter)).highWaterMark, highWaterMark);35 }, `${QueuingStrategy.name}: Constructor behaves as expected with strange arguments`);36 test(() => {37 for (const [input, output] of highWaterMarkConversions.entries()) {38 const strategy = new QueuingStrategy({ highWaterMark: input });39 assert_equals(strategy.highWaterMark, output, `${input} gets set correctly`);40 }41 }, `${QueuingStrategy.name}: highWaterMark constructor values are converted per the unrestricted double rules`);42 test(() => {43 const size1 = (new QueuingStrategy({ highWaterMark: 5 })).size;44 const size2 = (new QueuingStrategy({ highWaterMark: 10 })).size;45 assert_equals(size1, size2);46 }, `${QueuingStrategy.name}: size is the same function across all instances`);47 test(() => {48 const size = (new QueuingStrategy({ highWaterMark: 5 })).size;49 assert_equals(size.name, 'size');50 }, `${QueuingStrategy.name}: size should have the right name`);51 test(() => {52 class SubClass extends QueuingStrategy {53 size() {54 return 2;55 }56 subClassMethod() {57 return true;58 }59 }60 const sc = new SubClass({ highWaterMark: 77 });61 assert_equals(sc.constructor.name, 'SubClass', 'constructor.name should be correct');62 assert_equals(sc.highWaterMark, 77, 'highWaterMark should come from the parent class');63 assert_equals(sc.size(), 2, 'size() on the subclass should override the parent');64 assert_true(sc.subClassMethod(), 'subClassMethod() should work');65 }, `${QueuingStrategy.name}: subclassing should work correctly`);66}67test(() => {68 const size = (new CountQueuingStrategy({ highWaterMark: 5 })).size;69 assert_equals(size.length, 0);70}, 'CountQueuingStrategy: size should have the right length');71test(() => {72 const size = (new ByteLengthQueuingStrategy({ highWaterMark: 5 })).size;73 assert_equals(size.length, 1);74}, 'ByteLengthQueuingStrategy: size should have the right length');75test(() => {76 const size = 1024;77 const chunk = { byteLength: size };78 const chunkGetter = {79 get byteLength() { return size; }80 };81 const error = new Error('wow!');82 const chunkGetterThrowing = {83 get byteLength() { throw error; }84 };85 const sizeFunction = (new CountQueuingStrategy({ highWaterMark: 5 })).size;86 assert_equals(sizeFunction(), 1, 'size returns 1 with undefined');87 assert_equals(sizeFunction(null), 1, 'size returns 1 with null');88 assert_equals(sizeFunction('potato'), 1, 'size returns 1 with non-object type');89 assert_equals(sizeFunction({}), 1, 'size returns 1 with empty object');90 assert_equals(sizeFunction(chunk), 1, 'size returns 1 with a chunk');91 assert_equals(sizeFunction(chunkGetter), 1, 'size returns 1 with chunk getter');92 assert_equals(sizeFunction(chunkGetterThrowing), 1,93 'size returns 1 with chunk getter that throws');94}, 'CountQueuingStrategy: size behaves as expected with strange arguments');95test(() => {96 const size = 1024;97 const chunk = { byteLength: size };98 const chunkGetter = {99 get byteLength() { return size; }100 };101 const error = new Error('wow!');102 const chunkGetterThrowing = {103 get byteLength() { throw error; }104 };105 const sizeFunction = (new ByteLengthQueuingStrategy({ highWaterMark: 5 })).size;106 assert_throws_js(TypeError, () => sizeFunction(), 'size fails with undefined');107 assert_throws_js(TypeError, () => sizeFunction(null), 'size fails with null');108 assert_equals(sizeFunction('potato'), undefined, 'size succeeds with undefined with a random non-object type');109 assert_equals(sizeFunction({}), undefined, 'size succeeds with undefined with an object without hwm property');110 assert_equals(sizeFunction(chunk), size, 'size succeeds with the right amount with an object with a hwm');111 assert_equals(sizeFunction(chunkGetter), size,112 'size succeeds with the right amount with an object with a hwm getter');113 assert_throws_exactly(error, () => sizeFunction(chunkGetterThrowing),114 'size fails with the error thrown by the getter');...

Full Screen

Full Screen

streams.js

Source:streams.js Github

copy

Full Screen

1/**2 * Copyright (c) 2013-present, Facebook, Inc.3 * All rights reserved.4 *5 * This source code is licensed under the BSD-style license found in the6 * LICENSE file in the "flow" directory of this source tree. An additional grant7 * of patent rights can be found in the PATENTS file in the same directory.8 *9 */10type TextEncodeOptions = {options?: boolean};11declare class TextEncoder {12 encode(buffer: string, options?: TextEncodeOptions): Uint8Array,13}14declare class ReadableStreamController {15 constructor(16 stream: ReadableStream,17 underlyingSource: UnderlyingSource,18 size: number,19 highWaterMark: number,20 ): void,21 desiredSize: number,22 close(): void,23 enqueue(chunk: any): void,24 error(error: Error): void,25}26declare class ReadableStreamBYOBRequest {27 constructor(controller: ReadableStreamController, view: $TypedArray): void,28 view: $TypedArray,29 respond(bytesWritten: number): ?any,30 respondWithNewView(view: $TypedArray): ?any,31}32declare class ReadableByteStreamController extends ReadableStreamController {33 constructor(34 stream: ReadableStream,35 underlyingSource: UnderlyingSource,36 highWaterMark: number,37 ): void,38 byobRequest: ReadableStreamBYOBRequest,39}40declare class ReadableStreamReader {41 constructor(stream: ReadableStream): void,42 closed: boolean,43 cancel(reason: string): void,44 read(): Promise<{value: ?any, done: boolean}>,45 releaseLock(): void,46}47declare interface UnderlyingSource {48 autoAllocateChunkSize?: number,49 type?: string,50 start?: (controller: ReadableStreamController) => ?Promise<void>,51 pull?: (controller: ReadableStreamController) => ?Promise<void>,52 cancel?: (reason: string) => ?Promise<void>,53}54declare class TransformStream {55 readable: ReadableStream,56 writable: WritableStream,57};58type PipeToOptions = {59 preventClose?: boolean,60 preventAbort?: boolean,61 preventCancel?: boolean,62};63type QueuingStrategy = {64 highWaterMark: number,65 size(chunk: ?any): number,66};67declare class ReadableStream {68 constructor(69 underlyingSource: ?UnderlyingSource,70 queuingStrategy: ?QueuingStrategy,71 ): void,72 locked: boolean,73 cancel(reason: string): void,74 getReader(): ReadableStreamReader,75 pipeThrough(transform: TransformStream, options: ?any): void,76 pipeTo(dest: WritableStream, options: ?PipeToOptions): void,77 tee(): [ReadableStream, ReadableStream],78};79declare interface WritableStreamController {80 error(error: Error): void,81}82declare interface UnderlyingSink {83 autoAllocateChunkSize?: number,84 type?: string,85 abort?: (reason: string) => ?Promise<void>,86 close?: (controller: WritableStreamController) => ?Promise<void>,87 start?: (controller: WritableStreamController) => ?Promise<void>,88 write?: (chunk: any, controller: WritableStreamController) => ?Promise<void>,89}90declare interface WritableStreamWriter {91 closed: Promise<any>,92 desiredSize?: number,93 ready: Promise<any>,94 abort(reason: string): ?Promise<any>,95 close(): Promise<any>,96 releaseLock(): void,97 write(chunk: any): Promise<any>,98}99declare class WritableStream {100 constructor(101 underlyingSink: ?UnderlyingSink,102 queuingStrategy: QueuingStrategy,103 ): void,104 locked: boolean,105 abort(reason: string): void,106 getWriter(): WritableStreamWriter,...

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var queue = new ReadableStream({2 start(controller) {3 },4 pull(controller) {5 },6 cancel(reason) {7 },8 size(chunk) {9 return chunk.byteLength;10 },11});12var writer = queue.getWriter();13writer.write(new ArrayBuffer(1));14writer.write(new ArrayBuffer(2));15writer.close();

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1const stream = require('stream');2const { ReadableStream, WritableStream } = require('web-streams-polyfill/ponyfill');3const readable = new ReadableStream({4 start(controller) {5 console.log('[start]');6 controller.enqueue('a');7 controller.enqueue('b');8 controller.enqueue('c');9 controller.close();10 },11 pull(controller) {12 console.log('[pull]');13 controller.enqueue('d');14 controller.close();15 },16 cancel(reason) {17 console.log('[cancel]', reason);18 }19});20const writable = new WritableStream({21 write(chunk) {22 console.log('[write]', chunk);23 },24 close() {25 console.log('[close]');26 },27 abort(reason) {28 console.log('[abort]', reason);29 }30});31const reader = readable.getReader();32const writer = writable.getWriter();33const pump = () => reader.read().then(({ value, done }) => {34 if (done) {35 console.log('[done]');36 writer.close();37 return;38 }39 console.log('[read]', value);40 writer.write(value);41 return pump();42});43pump();

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var wpt = require('webpagetest');2var async = require('async');3var fs = require('fs');4var request = require('request');5var util = require('util');6var url = require('url');7var http = require('http');8var https = require('https');9var util = require('util');10var path = require('path');11var express = require('express');12var app = express();13var bodyParser = require('body-parser');14var https = require('https');15var http = require('http');16var server = http.createServer(app);17var port = process.env.PORT || 3000;18var io = require('socket.io')(server);19var nodemailer = require('nodemailer');20var smtpTransport = require('nodemailer-smtp-transport');21var multer = require('multer');22var storage = multer.diskStorage({23 destination: function(req, file, callback) {24 callback(null, './public/uploads');25 },26 filename: function(req, file, callback) {27 callback(null, file.fieldname + '-' + Date.now());28 }29});30var upload = multer({31});32var options = {33 key: fs.readFileSync('key.pem'),34 cert: fs.readFileSync('cert.pem')35};36var httpsServer = https.createServer(options, app);37var httpsPort = process.env.PORT || 3001;38var wpt = new wpt('A.2d7c2c2b1b1c8f8f3e7f1f1d3c3c3c3c', 'www.webpagetest.org');39var data = [];40var data1 = [];41var data2 = [];42var data3 = [];43var data4 = [];44var data5 = [];45var data6 = [];46var data7 = [];47var data8 = [];48var data9 = [];49var data10 = [];50var data11 = [];51var data12 = [];52var data13 = [];53var data14 = [];54var data15 = [];55var data16 = [];56var data17 = [];57var data18 = [];58var data19 = [];59var data20 = [];60var data21 = [];61var data22 = [];62var data23 = [];63var data24 = [];64var data25 = [];65var data26 = [];66var data27 = [];67var data28 = [];68var data29 = [];69var data30 = [];70var data31 = [];

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var wptools = require('./lib/wptools');2var fs = require('fs');3var path = require('path');4var options = {5 viewportSize: {6 }7};8var wp = new wptools(options);9wp.on('error', function (error) {10 console.log(error);11});12wp.on('end', function (output) {13 console.log(output);14});15wp.on('progress', function (progress) {16 console.log(progress);17});18wp.on('queue', function (queue) {19 console.log(queue);20});21wp.start();

Full Screen

Full Screen

Using AI Code Generation

copy

Full Screen

1var assert = require('assert');2var wpt = require('../wpt');3var wptObj = new wpt();4var queuingStrategyObj = new wptObj.queuingStrategy();5queuingStrategyObj.size = 5;6assert.equal(queuingStrategyObj.size, 5);7queuingStrategyObj.highWaterMark = 10;8assert.equal(queuingStrategyObj.highWaterMark, 10);9console.log('All the tests have passed successfully!');

Full Screen

Full Screen

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:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run wpt automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

... View sample repo... View DocumentationSign up Free
›
_

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

...
Sign up with GoogleSign up with Email
Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful