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How to use queuingStrategy method in wpt

Best JavaScript code snippet using wpt

StreamSaver.js

Source:StreamSaver.js

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...

queuing-strategies.any.js

Source:queuing-strategies.any.js

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');...

streams.js

Source:streams.js

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,...

Using AI Code Generation

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();

Using AI Code Generation

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();

Using AI Code Generation

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 = [];

Using AI Code Generation

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();

Using AI Code Generation

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!');

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