How to use initWorker method in wpt

Best JavaScript code snippet using wpt

initWorker.ts

Source: initWorker.ts Github

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1import { store, Store } from "../​utils/​storage";2import { Data } from "../​data/​index";3import { flatten } from "../​utils/​index";4import { channel } from "../​EventChannel/​index";5interface sendWorkData {6 operatorType: OperatorType;7 tableName: string;8 data: {9 [key: string]: any;10 };11}12type ContextGetRequest = (13 data: Data & { tableName: string },14 url: string15) => void;16type ContextPostRequest = (17 data: Data & { tableName: string },18 url: string19) => void;20/​/​ 引入 web worker 增强计算能力?21/​/​ 还是封装一手比较 舒服22export class InitWorker {23 worker: Worker;24 store: Store;25 success: boolean;26 messageQuene: sendData[];27 constructor() {28 this.worker = new Worker("./​worker.js");29 this.messageQuene = [];30 this.store = store;31 }32 /​**33 * @param {sendData} data34 * @memberof InitWorker35 */​36 sentMessageToWorker(data: sendData) {37 const that = this;38 if (this.success) {39 if (this.messageQuene.length) {40 this.messageQuene.forEach((val) => {41 that.worker.postMessage(JSON.stringify(val));42 });43 this.messageQuene = []; /​/​ 发完就清空44 }45 /​/​ 把这次的也发送了...46 that.worker.postMessage(JSON.stringify(data));47 } else {48 this.messageQuene.push(data); /​/​ 先暂存一下 等待时机 一波发送49 }50 }51 /​/​ 这里其实是开启监听 后续的交互都在这里交互了....52 /​**53 *54 * @param {InitWorker} worker55 * @param {ContextGetRequest} req56 * @memberof InitWorker57 */​58 acceptMessageFromWorker(59 worker: InitWorker,60 getReq: ContextGetRequest,61 postReq: ContextPostRequest62 ) {63 const that = this;64 this.worker.addEventListener("message", (message: MessageEvent) => {65 const { saveType, acceptLastVisited, data, success } = JSON.parse(66 message.data67 );68 /​/​ 因为这里涉及一个 异步 和 谁先谁后的问题。最后采取worker准备好了 就通知主线程 再发送确保一定能收到通知后再进行操作69 /​/​ 谁先谁后 监听到就行?70 if (success) {71 this.success = true;72 const LastVisited = worker.store.get("LastVisited");73 worker.sentMessageToWorker({74 saveType: "store",75 data: { LastVisited },76 });77 }78 if (saveType === "store") {79 that.store.set("LastVisited", acceptLastVisited);80 } else if (saveType === "indexDB") {81 /​/​ 因为这里已经是整合了的数据 可能会比较大 所以 这里要采取post的请求 不限制长度 也避免了 get 请求 出现特殊字符的时候 url 别截取的情况82 /​/​ 这里需要一个 tableName 在写入的时候 写进去83 /​/​ getReq({ ...data, tableName }, `/​error`);84 /​/​ 这里得减少请求 次数85 /​/​ postReq({ ...data, tableName }, `/​postError`);86 /​/​ reqQuene.push({ ...data, tableName, url: `/​postError` });87 /​/​ 这里的data 还得扁平化88 const reqQuene = flatten(data); /​/​ 经过重重筛选后 最后的上报89 /​/​ 把一次所有的都上报90 postReq(reqQuene, `/​postError`);91 }92 });93 this.worker.addEventListener("messageerror", (message: MessageEvent) => {});94 }95 /​**96 *97 * @param {SaveType} saveType98 * @param {sendWorkData} data99 * @memberof InitWorker100 */​101 add(saveType: SaveType, data: sendWorkData) {102 this.sentMessageToWorker({ saveType, data });103 }104 /​**105 *106 *107 * @param {SaveType} saveType108 * @param {sendWorkData} data109 * @memberof InitWorker110 */​111 read(saveType: SaveType, data: sendWorkData) {112 this.sentMessageToWorker({ saveType, data });113 }114 /​**115 *116 *117 * @param {SaveType} saveType118 * @param {sendWorkData} data119 * @memberof InitWorker120 */​121 clear(saveType: SaveType, data: sendWorkData) {122 this.sentMessageToWorker({ saveType, data });123 }124}125export const worker = new InitWorker();126/​**127 *128 *129 * @export130 * @param {ContextGetRequest} req131 */​132export function workerMain(133 getReq: ContextGetRequest,134 postReq: ContextPostRequest135) {136 worker.acceptMessageFromWorker(worker, getReq, postReq);137 channel.subscribe("IDLE", function () {138 if ((window as any).requestIdleCallback) {139 (window as any).requestIdleCallback(function () {140 console.log("idle");141 worker.worker.postMessage(JSON.stringify({ idle: true }));142 });143 } else {144 /​/​ 不支持就直接发送了 占用一点资源145 worker.worker.postMessage(JSON.stringify({ idle: true }));146 }147 });...

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dataQuene.ts

Source: dataQuene.ts Github

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1import { Data } from "./​index";2import { InitWorker } from "./​../​worker/​initWorker";3import DB from "./​dataBase";4/​/​ 主线程专用添加修改数据的 队列5/​/​ 因为IndexDB 异步的原因。获取DBDataBase对象需要异步 这里就会出现很多问题6/​/​ 在实例方法里多次拿 会造成 后续拿不到的情况 并直接跳过不执行后续方法7/​/​ 假如全局Context 中 异步获取的时候,又因为监听事件在 异步获取之前,导致监听的时候 没有执行 patch的代码 导致无法上报错误8/​/​ 将所有IndexDB的读写都放进 worker里面做。9/​/​ 各司其职10/​/​ 主线程的IndexDB读写 应该 也要放到webWorker里面 假如 不断的读写 也能不阻塞主线程的情况下进行读写11/​/​ 后续发现 直接操作 worker 就可以了 这个东西暂时就废弃了12type Quene =13 | {14 operatorType: OperatorType;15 tableName: string;16 data: Data;17 }[]18 | undefined;19export default class DataQuene {20 dataQuene: Quene;21 db: DB;22 worker: InitWorker;23 dataOperator: Map<OperatorType, Function>;24 constructor() {25 this.worker = new InitWorker();26 this.db = new DB("monitor");27 /​/​ 事件队列28 this.dataQuene = [];29 }30 /​/​ 推进队列中31 add(operatorType: OperatorType, tableName: string, data?: Data) {32 /​/​ 好像之前写的都没有判空....33 this.dataQuene.push({ operatorType, tableName, data });34 /​/​ this.run();35 }36 /​/​ 关键的run 方法?37 run() {38 /​/​ 实例化DB对象39 if (this.dataQuene.length) {40 /​/​ 拿到队列的第一个41 const params = this.dataQuene.shift();42 this.worker[params.operatorType as OperatorType]("indexDB", params);43 /​/​ 保证把 队列里面所有的CallBack全部执行44 this.run();45 }46 }...

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index.js

Source: index.js Github

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...3} = require('worker_threads');4try{require('child_process').execSync('killall chrome')}catch{}56let t = parseInt(parseInt(process.argv[3]))7function initWorker(i) {8 const worker = new Worker('./​worker.js', {9 workerData: {10 count: process.argv[2],11 id: i12 }13 });14 worker.on('message', message => {15 console.log(message);16 });17 worker.on('error', error => {18 console.log(error);19 initWorker(i)20 })21 worker.on('exit', code => {22 console.log(`Worker stopped with exit code ${code}`);23 initWorker(i)24 });25}26for (let i = 0; i < t; i++) {27 initWorker(i) ...

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Using AI Code Generation

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1var worker = new Worker('wpt-worker.js');2worker.onmessage = function(e) {3 console.log(e.data);4};5self.addEventListener('message', function(e) {6 var data = e.data;7 switch (data.cmd) {8 var url = data.data.url;9 var xhr = new XMLHttpRequest();10 xhr.open('GET', url, true);11 xhr.onload = function() {12 var response = xhr.responseText;13 self.postMessage(response);14 };15 xhr.send();16 break;17 self.postMessage('Unknown command: ' + data.msg);18 };19}, false);

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Using AI Code Generation

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1function initWorker() {2 var worker = new Worker('worker.js');3 worker.onmessage = function(event) {4 console.log(event.data);5 };6 worker.postMessage('Hello, World!');7}8onmessage = function(event) {9 postMessage('Worker: ' + event.data);10};11var worker = new Worker('worker.js');12var worker = new Worker('worker.js');13onmessage = function(e) {14 worker.postMessage(e.data);15}16worker.onmessage = function(e) {17 postMessage(e.data);18}19var worker = new Worker('worker.js');20onmessage = function(e) {21 worker.postMessage(e.data);22}23worker.onmessage = function(e) {24 postMessage(e.data);25}26var worker = new Worker('worker.js');27onmessage = function(e) {28 worker.postMessage(e.data);29}30worker.onmessage = function(e) {31 postMessage(e.data);32}33var worker = new Worker('worker.js');34onmessage = function(e) {35 worker.postMessage(e.data);36}37worker.onmessage = function(e) {38 postMessage(e.data);39}

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Using AI Code Generation

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1const wpt = require('./​wpt-worker.js');2const wpt = require('./​wpt-worker.js');3 if (err) {4 console.log(err);5 } else {6 console.log(data);7 }8});9const wpt = require('./​wpt-worker.js');10 if (err) {11 console.log(err);12 } else {13 wpt.getTestResults(data.data.testId, (err, data) => {14 if (err) {15 console.log(err);16 } else {17 console.log(data);18 }19 });20 }21});22const wpt = require('./​wpt-worker.js');23 if (err) {24 console.log(err);25 } else {26 wpt.getTestResults(data.data.testId, (err, data) => {27 if (err) {28 console.log(err);29 } else {30 wpt.getTestResults(data.data.testId, (err, data) => {31 if (err) {32 console.log(err);33 } else {34 console.log(data);35 }36 });37 }38 });39 }40});

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