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How to use makeWaitForNextTask method in Playwright Internal
Best JavaScript code snippet using playwright-internal
index.js
Source:index.js 
...45 * See the License for the specific language governing permissions and46 * limitations under the License.47 */48// See https://joel.tools/microtasks/49function makeWaitForNextTask() {50 // As of Mar 2021, Electron v12 doesn't create new task with `setImmediate` despite51 // using Node 14 internally, so we fallback to `setTimeout(0)` instead.52 // @see https://github.com/electron/electron/issues/2826153 if (process.versions.electron) return callback => setTimeout(callback, 0);54 if (parseInt(process.versions.node, 10) >= 11) return setImmediate; // Unlike Node 11, Node 10 and less have a bug with Task and MicroTask execution order:55 // - https://github.com/nodejs/node/issues/2225756 //57 // So we can't simply run setImmediate to dispatch code in a following task.58 // However, we can run setImmediate from-inside setImmediate to make sure we're getting59 // in the following task.60 let spinning = false;61 const callbacks = [];62 const loop = () => {63 const callback = callbacks.shift();...
utils.js
Source:utils.js
...18import * as util from 'util'19import * as crypto from 'crypto'20const mkdirAsync = util.promisify(fs.mkdir.bind(fs))21// See https://joel.tools/microtasks/22export function makeWaitForNextTask() {23 if (parseInt(process.versions.node, 10) >= 11) return setImmediate24 // Unlike Node 11, Node 10 and less have a bug with Task and MicroTask execution order:25 // - https://github.com/nodejs/node/issues/2225726 //27 // So we can't simply run setImmediate to dispatch code in a following task.28 // However, we can run setImmediate from-inside setImmediate to make sure we're getting29 // in the following task.30 let spinning = false31 const callbacks = []32 const loop = () => {33 const callback = callbacks.shift()34 if (!callback) {35 spinning = false36 return...
playwrightClient.js
Source:playwrightClient.js
1"use strict";2Object.defineProperty(exports, "__esModule", {3 value: true4});5exports.PlaywrightClient = void 0;6var _ws = _interopRequireDefault(require("ws"));7var _connection = require("../client/connection");8var _utils = require("../utils/utils");9function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }10/**11 * Copyright (c) Microsoft Corporation.12 *13 * Licensed under the Apache License, Version 2.0 (the "License");14 * you may not use this file except in compliance with the License.15 * You may obtain a copy of the License at16 *17 * http://www.apache.org/licenses/LICENSE-2.018 *19 * Unless required by applicable law or agreed to in writing, software20 * distributed under the License is distributed on an "AS IS" BASIS,21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.22 * See the License for the specific language governing permissions and23 * limitations under the License.24 */25class PlaywrightClient {26 static async connect(options) {27 const {28 wsEndpoint,29 timeout = 3000030 } = options;31 const connection = new _connection.Connection();32 connection.markAsRemote();33 const ws = new _ws.default(wsEndpoint);34 const waitForNextTask = (0, _utils.makeWaitForNextTask)();35 connection.onmessage = message => {36 if (ws.readyState === 237 /** CLOSING */38 || ws.readyState === 339 /** CLOSED */40 ) throw new Error('PlaywrightClient: writing to closed WebSocket connection');41 ws.send(JSON.stringify(message));42 };43 ws.on('message', message => waitForNextTask(() => connection.dispatch(JSON.parse(message.toString()))));44 const errorPromise = new Promise((_, reject) => ws.on('error', error => reject(error)));45 const closePromise = new Promise((_, reject) => ws.on('close', () => reject(new Error('Connection closed'))));46 const playwrightClientPromise = new Promise((resolve, reject) => {47 let playwright;48 ws.on('open', async () => {49 playwright = await connection.initializePlaywright();50 resolve(new PlaywrightClient(playwright, ws));51 });52 ws.on('close', (code, reason) => connection.close(reason));53 });54 let timer;55 try {56 await Promise.race([playwrightClientPromise, errorPromise, closePromise, new Promise((_, reject) => timer = setTimeout(() => reject(`Timeout of ${timeout}ms exceeded while connecting.`), timeout))]);57 return await playwrightClientPromise;58 } finally {59 clearTimeout(timer);60 }61 }62 constructor(playwright, ws) {63 this._playwright = void 0;64 this._ws = void 0;65 this._closePromise = void 0;66 this._playwright = playwright;67 this._ws = ws;68 this._closePromise = new Promise(f => ws.on('close', f));69 }70 playwright() {71 return this._playwright;72 }73 async close() {74 this._ws.close();75 await this._closePromise;76 }77}...
transport.js
Source:transport.js
1"use strict";2Object.defineProperty(exports, "__esModule", {3 value: true4});5exports.Transport = void 0;6var _utils = require("../utils/utils");7/**8 * Copyright (c) Microsoft Corporation.9 *10 * Licensed under the Apache License, Version 2.0 (the "License");11 * you may not use this file except in compliance with the License.12 * You may obtain a copy of the License at13 *14 * http://www.apache.org/licenses/LICENSE-2.015 *16 * Unless required by applicable law or agreed to in writing, software17 * distributed under the License is distributed on an "AS IS" BASIS,18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.19 * See the License for the specific language governing permissions and20 * limitations under the License.21 */22class Transport {23 constructor(pipeWrite, pipeRead, closeable, endian = 'le') {24 this._pipeWrite = void 0;25 this._data = Buffer.from([]);26 this._waitForNextTask = (0, _utils.makeWaitForNextTask)();27 this._closed = false;28 this._bytesLeft = 0;29 this.onmessage = void 0;30 this.onclose = void 0;31 this._endian = void 0;32 this._closeableStream = void 0;33 this._pipeWrite = pipeWrite;34 this._endian = endian;35 this._closeableStream = closeable;36 pipeRead.on('data', buffer => this._dispatch(buffer));37 pipeRead.on('close', () => {38 this._closed = true;39 if (this.onclose) this.onclose();40 });41 this.onmessage = undefined;42 this.onclose = undefined;43 }44 send(message) {45 if (this._closed) throw new Error('Pipe has been closed');46 const data = Buffer.from(message, 'utf-8');47 const dataLength = Buffer.alloc(4);48 if (this._endian === 'be') dataLength.writeUInt32BE(data.length, 0);else dataLength.writeUInt32LE(data.length, 0);49 this._pipeWrite.write(dataLength);50 this._pipeWrite.write(data);51 }52 close() {53 // Let it throw.54 this._closeableStream.close();55 }56 _dispatch(buffer) {57 this._data = Buffer.concat([this._data, buffer]);58 while (true) {59 if (!this._bytesLeft && this._data.length < 4) {60 // Need more data.61 break;62 }63 if (!this._bytesLeft) {64 this._bytesLeft = this._endian === 'be' ? this._data.readUInt32BE(0) : this._data.readUInt32LE(0);65 this._data = this._data.slice(4);66 }67 if (!this._bytesLeft || this._data.length < this._bytesLeft) {68 // Need more data.69 break;70 }71 const message = this._data.slice(0, this._bytesLeft);72 this._data = this._data.slice(this._bytesLeft);73 this._bytesLeft = 0;74 this._waitForNextTask(() => {75 if (this.onmessage) this.onmessage(message.toString('utf-8'));76 });77 }78 }79}...
pipeTransport.js
Source:pipeTransport.js
1"use strict";2Object.defineProperty(exports, "__esModule", {3 value: true4});5exports.PipeTransport = void 0;6var _utils = require("../utils/utils");7var _debugLogger = require("../utils/debugLogger");8/**9 * Copyright 2018 Google Inc. All rights reserved.10 * Modifications copyright (c) Microsoft Corporation.11 *12 * Licensed under the Apache License, Version 2.0 (the "License");13 * you may not use this file except in compliance with the License.14 * You may obtain a copy of the License at15 *16 * http://www.apache.org/licenses/LICENSE-2.017 *18 * Unless required by applicable law or agreed to in writing, software19 * distributed under the License is distributed on an "AS IS" BASIS,20 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.21 * See the License for the specific language governing permissions and22 * limitations under the License.23 */24class PipeTransport {25 constructor(pipeWrite, pipeRead) {26 this._pipeWrite = void 0;27 this._pendingMessage = '';28 this._waitForNextTask = (0, _utils.makeWaitForNextTask)();29 this._closed = false;30 this.onmessage = void 0;31 this.onclose = void 0;32 this._pipeWrite = pipeWrite;33 pipeRead.on('data', buffer => this._dispatch(buffer));34 pipeRead.on('close', () => {35 this._closed = true;36 if (this.onclose) this.onclose.call(null);37 });38 pipeRead.on('error', e => _debugLogger.debugLogger.log('error', e));39 pipeWrite.on('error', e => _debugLogger.debugLogger.log('error', e));40 this.onmessage = undefined;41 this.onclose = undefined;42 }43 send(message) {44 if (this._closed) throw new Error('Pipe has been closed');45 this._pipeWrite.write(JSON.stringify(message));46 this._pipeWrite.write('\0');47 }48 close() {49 throw new Error('unimplemented');50 }51 _dispatch(buffer) {52 let end = buffer.indexOf('\0');53 if (end === -1) {54 this._pendingMessage += buffer.toString();55 return;56 }57 const message = this._pendingMessage + buffer.toString(undefined, 0, end);58 this._waitForNextTask(() => {59 if (this.onmessage) this.onmessage.call(null, JSON.parse(message));60 });61 let start = end + 1;62 end = buffer.indexOf('\0', start);63 while (end !== -1) {64 const message = buffer.toString(undefined, start, end);65 this._waitForNextTask(() => {66 if (this.onmessage) this.onmessage.call(null, JSON.parse(message));67 });68 start = end + 1;69 end = buffer.indexOf('\0', start);70 }71 this._pendingMessage = buffer.toString(undefined, start);72 }73}...
Using AI Code Generation
1const { makeWaitForNextTask } = require('@playwright/test/lib/utils/stackTrace');2const { test } = require('@playwright/test');3test('test', async ({ page }) => {4 await page.click('text=Get started');5 await page.waitForSelector('text=Install with npm');6 await page.click('text=Install with npm');7 await page.waitForSelector('text=Playwright is a Node library');8 await makeWaitForNextTask();9 await page.click('text=Playwright is a Node library');10 await page.waitForSelector('text=Playwright is a Node library');11 await makeWaitForNextTask();12 await page.click('text=Playwright is a Node library');13 await page.waitForSelector('text=Playwright is a Node library');14 await makeWaitForNextTask();15 await page.click('text=Playwright is a Node library');16 await page.waitForSelector('text=Playwright is a Node library');17 await makeWaitForNextTask();18 await page.click('text=Playwright is a Node library');19 await page.waitForSelector('text=Playwright is a Node library');20 await makeWaitForNextTask();21 await page.click('text=Playwright is a Node library');22 await page.waitForSelector('text=Playwright is a Node library');23});24 Error: Protocol error (Runtime.callFunctionOn): Cannot find context with specified id
Using AI Code Generation
1const { makeWaitForNextTask } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const waitForNextTask = makeWaitForNextTask();3await waitForNextTask();4const { makeWaitForNextTask } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');5const waitForNextTask = makeWaitForNextTask();6await waitForNextTask();7await page.textContent('text=Hello World');
Using AI Code Generation
1const { makeWaitForNextTask } = require('playwright/lib/utils/stackTrace');2const waitForNextTask = makeWaitForNextTask();3await waitForNextTask();4await waitForNextTask();5await waitForNextTask();6const { makeWaitForNextTask } = require('playwright/lib/utils/stackTrace');7const waitForNextTask = makeWaitForNextTask();8await waitForNextTask();9await waitForNextTask();10await waitForNextTask();11const { makeWaitForNextTask } = require('playwright/lib/utils/stackTrace');12const waitForNextTask = makeWaitForNextTask();13await waitForNextTask();14await waitForNextTask();15await waitForNextTask();16const { makeWaitForNextTask } = require('playwright/lib/utils/stackTrace');17const waitForNextTask = makeWaitForNextTask();18await waitForNextTask();19await waitForNextTask();20await waitForNextTask();21const { makeWaitForNextTask } = require('playwright/lib/utils/stackTrace');22const waitForNextTask = makeWaitForNextTask();23await waitForNextTask();24await waitForNextTask();25await waitForNextTask();26const { makeWaitForNextTask } = require('playwright/lib/utils/stackTrace');
Using AI Code Generation
1const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');2const waitForNextTask = makeWaitForNextTask();3await waitForNextTask();4const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');5const waitForNextTask = makeWaitForNextTask();6await waitForNextTask();7const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');8const waitForNextTask = makeWaitForNextTask();9await waitForNextTask();10const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');11const waitForNextTask = makeWaitForNextTask();12await waitForNextTask();13const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');14const waitForNextTask = makeWaitForNextTask();15await waitForNextTask();16const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');17const waitForNextTask = makeWaitForNextTask();18await waitForNextTask();19const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');20const waitForNextTask = makeWaitForNextTask();21await waitForNextTask();22const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');23const waitForNextTask = makeWaitForNextTask();24await waitForNextTask();25const { makeWaitForNextTask } = require('@playwright/test/lib/server/frames');26const waitForNextTask = makeWaitForNextTask();27await waitForNextTask();
Using AI Code Generation
1const { makeWaitForNextTask } = require('playwright/lib/utils/progress');2const waitForNextTask = makeWaitForNextTask();3await waitForNextTask();4await waitForNextTask();5await waitForNextTask();6await waitForNextTask();7await waitForNextTask();8const { makeWaitForNextTask } = require('playwright/lib/utils/progress');9const waitForNextTask = makeWaitForNextTask();10await waitForNextTask();11await waitForNextTask();12await waitForNextTask();13await waitForNextTask();14await waitForNextTask();15The makeWaitForNextTask() method is used to create a new instance of the waitForNextTask() method. This method is used to wait for the next task to be executed on the event loop. This method
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