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How to use WorkerTask method in wpt

Best JavaScript code snippet using wpt

worker-task.specs.ts

Source:worker-task.specs.ts

1import {WorkerTask} from "../../../src/common/task/worker-task";2import {ITaskDefinition} from "../../../src/common/task/task-definition";3import {functionId} from "../../../src/common/function/function-id";4describe("WorkerTask", function () {5    let workerTask: WorkerTask<number>;6    const taskDefinition: ITaskDefinition = {7        main: {8            ______serializedFunctionCall: true,9            functionId: functionId("test", 2),10            parameters: [5, 10]11        },12        usedFunctionIds: [functionId("test", 2)]13    };14    beforeEach(function () {15        workerTask = new WorkerTask<number>(taskDefinition);16    });17    describe("isCanceled", function () {18        it("is false by default", function () {19            expect(workerTask.isCanceled).toBe(false);20        });21        it("is true if if the task has been resolved", function () {22            // arrange23            workerTask.cancel();24            // act25            workerTask.resolve(10);26            // assert27            expect(workerTask.isCanceled).toBe(true);28        });29        it("is true if if the task has been resolved as canceled", function () {30            // arrange31            workerTask.cancel();32            // act33            workerTask.resolveCancelled();34            // assert35            expect(workerTask.isCanceled).toBe(true);36        });37    });38    describe("isCancellationRequested", function () {39        it("is false by default", function () {40            expect(workerTask.isCancellationRequested).toBe(false);41        });42        it("is true if the user requested cancellation", function () {43            // act44            workerTask.cancel();45            // assert46            expect(workerTask.isCancellationRequested).toBe(true);47        });48    });49    describe("resolve", function () {50        it("triggers the then handlers", function (done) {51            // arrange52            const handler = jasmine.createSpy("thenHandler");53            workerTask.then(handler);54            // act55            workerTask.resolve(10);56            workerTask.then(function () {57                // assert58                expect(handler).toHaveBeenCalledWith(10);59                done();60            }, done.fail);61        });62        it("triggers the catch handlers if the task has been canceled in the meantime", function (done) {63            // arrange64            const catchHandler = jasmine.createSpy("catchHandler");65            workerTask.catch(catchHandler);66            workerTask.cancel();67            // act68            workerTask.resolve(10);69            workerTask.then(() => done.fail("Then handler called, but catch handler should have been called"), function () {70                // assert71                expect(catchHandler).toHaveBeenCalledWith("Task has been canceled");72                expect(workerTask.isCanceled).toBe(true);73                done();74            });75        });76    });77    describe("resolveCanceled", function () {78        it("triggers the catch handlers when the task is resolved canceled", function (done) {79            // arrange80            const catchHandler = jasmine.createSpy("catchHandler");81            workerTask.catch(catchHandler);82            workerTask.cancel();83            // act84            workerTask.resolveCancelled();85            workerTask.then(() => done.fail("Then handler called, but catch handler should have been called"), function () {86                // assert87                expect(catchHandler).toHaveBeenCalledWith("Task has been canceled");88                done();89            });90        });91        it("marks the task as cancelled", function (done) {92            const catchHandler = jasmine.createSpy("catchHandler");93            workerTask.catch(catchHandler);94            workerTask.cancel();95            // act96            workerTask.resolveCancelled();97            workerTask.then(() => done.fail("Then handler called, but catch handler should have been called"), function () {98                // assert99                expect(workerTask.isCanceled).toBe(true);100                done();101            });102        });103    });104    describe("reject", function () {105        it("triggers the catch handlers", function (done) {106            // arrange107            const catchHandler = jasmine.createSpy("catchHandler");108            workerTask.catch(catchHandler);109            workerTask.cancel();110            // act111            workerTask.reject("Error");112            workerTask.then(() => done.fail("Then handler called, but catch handler should have been called"), function () {113                // assert114                expect(catchHandler).toHaveBeenCalledWith("Error");115                done();116            });117        });118    });119    describe("catch", function () {120        let doneFn: DoneFn;121        let unhandledRejctionHandler: () => void;122        beforeEach(function () {123            unhandledRejctionHandler = function () {124                doneFn.fail("Promise has rejection handler and therefore global unrejected handler should not be called");125            };126            window.addEventListener("unhandledrejection", unhandledRejctionHandler);127        });128        afterEach(function () {129            window.removeEventListener("unhandledrejection", unhandledRejctionHandler);130        });131        it("does not trigger 'unhandled exception in promise' if catch handler is registered", function (done) {132            // arrange133            doneFn = done;134            workerTask.catch(() => done());135            // act136            workerTask.reject("Error occurred");137        });138    });...

thread.js

Source:thread.js

1// namespaces2var dwv = dwv || {};3dwv.utils = dwv.utils || {};4/**5 * Thread Pool.6 * Highly inspired from {@link http://www.smartjava.org/content/html5-easily-parallelize-jobs-using-web-workers-and-threadpool}.7 * @constructor8 * @param {Number} size The size of the pool.9 */10dwv.utils.ThreadPool = function (size) {11    // closure to self12    var self = this;13    // task queue14    this.taskQueue = [];15    // worker queue16    this.workerQueue = [];17    // pool size18    this.poolSize = size;19    /**20     * Initialise.21     */22    this.init = function () {23        // create 'size' number of worker threads24        for (var i = 0; i < size; ++i) {25            self.workerQueue.push(new dwv.utils.WorkerThread(self));26        }27    };28    /**29     * Add a worker task to the queue.30     * Will be run when a thread is made available.31     * @return {Object} workerTask The task to add.32     */33    this.addWorkerTask = function (workerTask) {34        if (self.workerQueue.length > 0) {35            // get the worker thread from the front of the queue36            var workerThread = self.workerQueue.shift();37            workerThread.run(workerTask);38        } else {39            // no free workers, add to queue40            self.taskQueue.push(workerTask);41        }42    };43    /**44     * Free a worker thread.45     * @param {Object} workerThread The thread to free.46     */47    this.freeWorkerThread = function (workerThread) {48        self.onworkerend();49        if (self.taskQueue.length > 0) {50            // don't put back in queue, but execute next task51            var workerTask = self.taskQueue.shift();52            workerThread.run(workerTask);53        } else {54            // no task to run, add to queue55            self.workerQueue.push(workerThread);56            // the work is done when the queue is back to its initial size57            if ( self.workerQueue.length === size ) {58                self.onpoolworkend();59            }60        }61    };62};63/**64 * Handle a pool work end event.65 */66dwv.utils.ThreadPool.prototype.onpoolworkend = function ()67{68    // default does nothing.69};70/**71 * Handle a pool worker end event.72 */73dwv.utils.ThreadPool.prototype.onworkerend = function ()74{75    // default does nothing.76};77/**78 * Worker thread.79 * @external Worker80 * @constructor81 * @param {Object} parentPool The parent pool.82 */83dwv.utils.WorkerThread = function (parentPool) {84    // closure to self85    var self = this;86    // parent pool87    this.parentPool = parentPool;88    // associated task89    this.workerTask = {};90    // associated web worker91    var worker;92    /**93     * Run a worker task94     * @param {Object} workerTask The task to run.95     */96    this.run = function (workerTask) {97        // closure to task98        this.workerTask = workerTask;99        // create a new web worker100        if (this.workerTask.script !== null) {101            worker = new Worker(workerTask.script);102            worker.addEventListener('message', ontaskend, false);103            // launch the worker104            worker.postMessage(workerTask.startMessage);105        }106    };107    /**108     * Handle once the task is done.109     * For now assume we only get a single callback from a worker110     * which also indicates the end of this worker.111     * @param {Object} event The callback event.112     */113    function ontaskend(event) {114        // pass to original callback115        self.workerTask.callback(event);116        // stop the worker117        worker.terminate();118        // tell the parent pool this thread is free119        self.parentPool.freeWorkerThread(self);120    }121};122/**123 * Worker task.124 * @constructor125 * @param {String} script The worker script.126 * @param {Function} parentPool The worker callback.127 * @param {Object} message The data to pass to the worker.128 */129dwv.utils.WorkerTask = function (script, callback, message) {130    // worker script131    this.script = script;132    // worker callback133    this.callback = callback;134    // worker start message135    this.startMessage = message;...

WorkerPool.ts

Source:WorkerPool.ts

...40        for (let i = 0; i < size; i++) {41            this.workerQueue.push(new WorkerThread(this));42        }43    }44    addWorkerTask(workerTask: WorkerTask): void {45        // get the worker from the front of the queue46        let workerThread = this.workerQueue.shift();47        if (workerThread) {48            workerThread.run(workerTask);49        } else {50            // no free workers51            this.taskQueue.push(workerTask);52        }53    }54    freeWorkerThread(workerThread: WorkerThread): void {55        let workerTask = this.taskQueue.shift();56        if (workerTask) {57            // don't put back in queue, but execute next task58            workerThread.run(workerTask);...

Using AI Code Generation

1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3var WorkerTask = wpt.WorkerTask;4task.on('log', function(data) {5  console.log(data);6});7task.on('done', function(data) {8  console.log(data);9});10task.run();11var wpt = require('webpagetest');12var wpt = new WebPageTest('www.webpagetest.org');13var WorkerTask = wpt.WorkerTask;14task.on('log', function(data) {15  console.log(data);16});17task.on('done', function(data) {18  console.log(data);19});20task.run();21var wpt = require('webpagetest');22var wpt = new WebPageTest('www.webpagetest.org');23var WorkerTask = wpt.WorkerTask;24task.on('log', function(data) {25  console.log(data);26});27task.on('done', function(data) {28  console.log(data);29});30task.run();31var wpt = require('webpagetest');32var wpt = new WebPageTest('www.webpagetest.org');33var WorkerTask = wpt.WorkerTask;34task.on('log', function(data) {35  console.log(data);36});37task.on('done', function(data) {38  console.log(data);39});40task.run();41var wpt = require('webpagetest');42var wpt = new WebPageTest('www.webpagetest.org');43var WorkerTask = wpt.WorkerTask;44task.on('log', function(data) {45  console.log(data);46});47task.on('done', function(data) {48  console.log(data);49});50task.run();51var wpt = require('webpag

Using AI Code Generation

1var wptask = require('wptask');2var worker = new wptask.WorkerTask();3worker.onmessage = function(e) {4    console.log('Message received from worker');5};6worker.postMessage({foo: 'bar'});7var wptask = require('wptask');8var worker = new wptask.WorkerTask();9worker.onmessage = function(e) {10    console.log('Message received from worker');11};12worker.postMessage({foo: 'bar'});13var http = require('http');14var wptask = require('wptask');15var worker = new wptask.WorkerTask();16worker.onmessage = function (e) {17    console.log('Message received from worker');18};19worker.postMessage({ foo: 'bar' });20http.createServer(function (req, res) {21    res.writeHead(200, { 'Content-Type': 'text/plain' });22    res.end('Hello World23');24}).listen(process.env.PORT || 1337);

Using AI Code Generation

1var myWorker = new Worker('worker.js');2myWorker.postMessage('Hello World');3myWorker.onmessage = function(e) {4    console.log('Message received from worker');5}6onmessage = function(e) {7    console.log('Message received from main script');8    var workerResult = 'Result: ' + (e.data);9    console.log('Posting message back to main script');10    postMessage(workerResult);11}12app.use(function(req, res, next) {13    res.header("Access-Control-Allow-Origin", "*");14    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");15    next();16});17  url={this.props.videoURL}18  playing={this.props.playing}19  controls={this.props.controls}20  onEnded={this.props.onEnded}

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new wpt('key');3  console.log(data);4});5var wpt = require('wpt');6var wpt = new wpt('key');7  console.log(data);8});9var wpt = require('wpt');10var wpt = new wpt('key');11  console.log(data);12});13var wpt = require('wpt');14var wpt = new wpt('key');15  console.log(data);16});17var wpt = require('wpt');18var wpt = new wpt('key');19  console.log(data);20});21var wpt = require('wpt');22var wpt = new wpt('key');23  console.log(data);24});25var wpt = require('wpt');26var wpt = new wpt('key');

Using AI Code Generation

1var wptask = require('wptask');2var task = wptask.createWorkerTask('task.js');3task.on('message', function (data) {4  console.log(data);5});6task.send({ hello: 'world' });7var wptask = require('wptask');8var task = wptask.createWorkerTask();9task.on('message', function (data) {10  console.log(data);11  task.send({ hello: 'world' });12});13task.send({ hello: 'world' });14var wptask = require('wptask');15var task = wptask.createWorkerTask('task.js');16task.on('message', function (data) {17  console.log(data);18});19task.send({ hello: 'world' });20var wptask = require('wptask');21var task = wptask.createWorkerTask();22task.on('message', function (data) {23  console.log(data);24  task.send({ hello: 'world' });25});26task.send({ hello: 'world' });27var wptask = require('wptask');28var task = wptask.createWorkerTask('task.js');29task.on('message', function (data) {30  console.log(data);31});32task.send({ hello: 'world' });33var wptask = require('wptask');34var task = wptask.createWorkerTask();35task.on('message', function (data) {36  console.log(data);37  task.send({ hello: 'world' });38});39task.send({ hello: 'world' });40var wptask = require('wptask');41var task = wptask.createWorkerTask('task.js');42task.on('message', function (data) {43  console.log(data);44});45task.send({ hello: 'world' });

Using AI Code Generation

1var worker = new Worker('wpt.js');2worker.onmessage = function(e) {3    console.log(e.data);4};5onmessage = function(e) {6    var data = e.data;7    if (data.type == 'start') {8        var url = data.url;9        var runs = data.runs;10        var results = [];11        for (var i = 0; i < runs; i++) {12            results.push({run: i, result: Math.random()});13        }14        postMessage(results);15    }16};17var worker = new Worker('wpt.js');18worker.onmessage = function(e) {19    console.log(e.data);20};21onmessage = function(e) {22    var data = e.data;23    if (data.type == 'start') {24        var url = data.url;25        var runs = data.runs;26        var results = [];27        for (var i = 0; i < runs; i++) {28            results.push({run: i, result: Math.random()});29        }30        postMessage(results);31    }32};33var worker = new Worker('wpt.js');34worker.onmessage = function(e) {35    console.log(e.data);36};37onmessage = function(e) {38    var data = e.data;39    if (data.type == 'start') {

Using AI Code Generation

1var task = new WorkerTask("worker.js");2task.addEventListener("message", function(e) {3  console.log(e.data);4}, false);5task.postMessage("start");6self.addEventListener('message', function(e) {7  self.postMessage("Hello " + e.data);8}, false);9Web Workers: Web Worker Shim (Minified)10Web Workers: Web Worker Shim (Source)11Web Workers: Web Worker Shim (Test Suite)12Web Workers: Web Worker Shim (Tests)13Web Workers: Web Worker Shim (Tests) (Minified)14Web Workers: Web Worker Shim (Tests) (Source)15Web Workers: Web Workers Polyfill (Minified)16Web Workers: Web Workers Polyfill (Source)17Web Workers: Web Workers Polyfill (Test Suite)18Web Workers: Web Workers Polyfill (Tests)19Web Workers: Web Workers Polyfill (Tests) (Minified)20Web Workers: Web Workers Polyfill (Tests) (Source)21Web Workers: Web Workers Shim (Minified

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