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How to use ThatReturnsFalse method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactWheelHandler.js

Source:ReactWheelHandler.js

1/**2 * Copyright (c) 2015, 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 root directory of this source tree. An additional grant7 * of patent rights can be found in the PATENTS file in the same directory.8 *9 * This is utility that hanlds onWheel events and calls provided wheel10 * callback with correct frame rate.11 *12 * @providesModule ReactWheelHandler13 * @typechecks14 */15'use strict';16var emptyFunction = require('emptyFunction');17var normalizeWheel = require('normalizeWheel');18var requestAnimationFramePolyfill = require('requestAnimationFramePolyfill');19class ReactWheelHandler {20  /**21   * onWheel is the callback that will be called with right frame rate if22   * any wheel events happened23   * onWheel should is to be called with two arguments: deltaX and deltaY in24   * this order25   */26  constructor(27    /*function*/ onWheel,28    /*boolean|function*/ handleScrollX,29    /*boolean|function*/ handleScrollY,30    /*?boolean|?function*/ stopPropagation31  ) {32    this._animationFrameID = null;33    this._deltaX = 0;34    this._deltaY = 0;35    this._didWheel = this._didWheel.bind(this);36    if (typeof handleScrollX !== 'function') {37      handleScrollX = handleScrollX ?38        emptyFunction.thatReturnsTrue :39        emptyFunction.thatReturnsFalse;40    }41    if (typeof handleScrollY !== 'function') {42      handleScrollY = handleScrollY ?43        emptyFunction.thatReturnsTrue :44        emptyFunction.thatReturnsFalse;45    }46    if (typeof stopPropagation !== 'function') {47      stopPropagation = stopPropagation ?48        emptyFunction.thatReturnsTrue :49        emptyFunction.thatReturnsFalse;50    }51    this._handleScrollX = handleScrollX;52    this._handleScrollY = handleScrollY;53    this._stopPropagation = stopPropagation;54    this._onWheelCallback = onWheel;55    this.onWheel = this.onWheel.bind(this);56  }57  onWheel(/*object*/ event) {58    var normalizedEvent = normalizeWheel(event);59    var deltaX = this._deltaX + normalizedEvent.pixelX;60    var deltaY = this._deltaY + normalizedEvent.pixelY;61    var handleScrollX = this._handleScrollX(deltaX, deltaY);62    var handleScrollY = this._handleScrollY(deltaY, deltaX);63    if (!handleScrollX && !handleScrollY) {64      return;65    }66    this._deltaX += handleScrollX ? normalizedEvent.pixelX : 0;67    this._deltaY += handleScrollY ? normalizedEvent.pixelY : 0;68    event.preventDefault();69    var changed;70    if (this._deltaX !== 0 || this._deltaY !== 0) {71      if (this._stopPropagation()) {72        event.stopPropagation();73      }74      changed = true;75    }76    if (changed === true && this._animationFrameID === null) {77      this._animationFrameID = requestAnimationFramePolyfill(this._didWheel);78    }79  }80  _didWheel() {81    this._animationFrameID = null;82    this._onWheelCallback(this._deltaX, this._deltaY);83    this._deltaX = 0;84    this._deltaY = 0;85  }86}...

SyntheticEvent.js

Source:SyntheticEvent.js

1/* */ 2'use strict';3var PooledClass = require("./PooledClass");4var assign = require("./Object.assign");5var emptyFunction = require("./emptyFunction");6var getEventTarget = require("./getEventTarget");7var EventInterface = {8  type: null,9  target: getEventTarget,10  currentTarget: emptyFunction.thatReturnsNull,11  eventPhase: null,12  bubbles: null,13  cancelable: null,14  timeStamp: function(event) {15    return event.timeStamp || Date.now();16  },17  defaultPrevented: null,18  isTrusted: null19};20function SyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent) {21  this.dispatchConfig = dispatchConfig;22  this.dispatchMarker = dispatchMarker;23  this.nativeEvent = nativeEvent;24  var Interface = this.constructor.Interface;25  for (var propName in Interface) {26    if (!Interface.hasOwnProperty(propName)) {27      continue;28    }29    var normalize = Interface[propName];30    if (normalize) {31      this[propName] = normalize(nativeEvent);32    } else {33      this[propName] = nativeEvent[propName];34    }35  }36  var defaultPrevented = nativeEvent.defaultPrevented != null ? nativeEvent.defaultPrevented : nativeEvent.returnValue === false;37  if (defaultPrevented) {38    this.isDefaultPrevented = emptyFunction.thatReturnsTrue;39  } else {40    this.isDefaultPrevented = emptyFunction.thatReturnsFalse;41  }42  this.isPropagationStopped = emptyFunction.thatReturnsFalse;43}44assign(SyntheticEvent.prototype, {45  preventDefault: function() {46    this.defaultPrevented = true;47    var event = this.nativeEvent;48    if (event.preventDefault) {49      event.preventDefault();50    } else {51      event.returnValue = false;52    }53    this.isDefaultPrevented = emptyFunction.thatReturnsTrue;54  },55  stopPropagation: function() {56    var event = this.nativeEvent;57    if (event.stopPropagation) {58      event.stopPropagation();59    } else {60      event.cancelBubble = true;61    }62    this.isPropagationStopped = emptyFunction.thatReturnsTrue;63  },64  persist: function() {65    this.isPersistent = emptyFunction.thatReturnsTrue;66  },67  isPersistent: emptyFunction.thatReturnsFalse,68  destructor: function() {69    var Interface = this.constructor.Interface;70    for (var propName in Interface) {71      this[propName] = null;72    }73    this.dispatchConfig = null;74    this.dispatchMarker = null;75    this.nativeEvent = null;76  }77});78SyntheticEvent.Interface = EventInterface;79SyntheticEvent.augmentClass = function(Class, Interface) {80  var Super = this;81  var prototype = Object.create(Super.prototype);82  assign(prototype, Class.prototype);83  Class.prototype = prototype;84  Class.prototype.constructor = Class;85  Class.Interface = assign({}, Super.Interface, Interface);86  Class.augmentClass = Super.augmentClass;87  PooledClass.addPoolingTo(Class, PooledClass.threeArgumentPooler);88};89PooledClass.addPoolingTo(SyntheticEvent, PooledClass.threeArgumentPooler);...

WheelHandler.js

Source:WheelHandler.js

1import emptyFunction from './emptyFunction';2import normalizeWheel from './normalizeWheel';3class WheelHandler {4  constructor(onWheel, handleScrollX, handleScrollY, stopPropagation) {5    this.animationFrameID = null;6    this.deltaX = 0;7    this.deltaY = 0;8    this.didWheel = this.didWheel.bind(this);9    if (typeof handleScrollX !== 'function') {10      handleScrollX = handleScrollX11        ? emptyFunction.thatReturnsTrue12        : emptyFunction.thatReturnsFalse;13    }14    if (typeof handleScrollY !== 'function') {15      handleScrollY = handleScrollY16        ? emptyFunction.thatReturnsTrue17        : emptyFunction.thatReturnsFalse;18    }19    if (typeof stopPropagation !== 'function') {20      stopPropagation = stopPropagation21        ? emptyFunction.thatReturnsTrue22        : emptyFunction.thatReturnsFalse;23    }24    this.handleScrollX = handleScrollX;25    this.handleScrollY = handleScrollY;26    this.stopPropagation = stopPropagation;27    this.onWheelCallback = onWheel;28    this.onWheel = this.onWheel.bind(this);29  }30  onWheel(event) {31    let normalizedEvent = normalizeWheel(event);32    let deltaX = this.deltaX + normalizedEvent.pixelX;33    let deltaY = this.deltaY + normalizedEvent.pixelY;34    let handleScrollX = this.handleScrollX(deltaX, deltaY);35    let handleScrollY = this.handleScrollY(deltaY, deltaX);36    if (!handleScrollX && !handleScrollY) {37      return;38    }39    this.deltaX += handleScrollX ? normalizedEvent.pixelX : 0;40    this.deltaY += handleScrollY ? normalizedEvent.pixelY : 0;41    event.preventDefault();42    let changed;43    if (this.deltaX !== 0 || this.deltaY !== 0) {44      if (this.stopPropagation()) {45        event.stopPropagation();46      }47      changed = true;48    }49    if (changed === true && this.animationFrameID === null) {50      this.animationFrameID = requestAnimationFrame(this.didWheel) ;51    }52  }53  didWheel() {54    this.animationFrameID = null;55    this.onWheelCallback(this.deltaX, this.deltaY);56    this.deltaX = 0;57    this.deltaY = 0;58  }59}...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.click('text=Get Started');7  await page.waitForTimeout(2000);8  await page.screenshot({ path: `example.png` });9  await browser.close();10})();11module.exports = {12  use: {13    viewport: { width: 1280, height: 720 },14    selectors: {15    },16    launchOptions: {17    },18    contextOptions: {19    },20    browserOptions: {21    },22  },23};

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.type('input[name="q"]', 'playwright');6  await page.keyboard.press('Enter');7  await page.waitForSelector('text=Playwright');8  await page.click('text=Playwright');9  await page.waitForSelector('text=Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API');10  await page.screenshot({ pa

Using AI Code Generation

1const { chromium } = require("playwright");2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.click("input[name=q]");6  await page.fill("input[name=q]", "Hello World");7  await page.keyboard.press("Enter");8  await page.waitForNavigation();9  await page.screenshot({ path: `example.png` });10  await browser.close();11})();12const { chromium } = require("playwright");13(async () => {14  const browser = await chromium.launch();15  const page = await browser.newPage();16  await page.click("input[name=q]");17  await page.fill("input[name=q]", "Hello World");18  await page.keyboard.press("Enter");19  await page.waitForNavigation();20  await page.screenshot({ path: `example.png` });21  await browser.close();22})();

Using AI Code Generation

1const { Playwright } = require('playwright');2const playwright = new Playwright();3const browser = await playwright.chromium.launch();4const context = await browser.newContext();5const page = await context.newPage();6await page.fill('input[type="search"]', 'Playwright');7await page.click('input[type="submit"]', { force: true });8const internalApi = await page.context().newCDPSession(page);9const result = await internalApi.send('Playwright.internalMethodThatReturnsFalse');10console.log(result);11const { Playwright } = require('playwright');12const playwright = new Playwright();13const browser = await playwright.chromium.launch();14const context = await browser.newContext();15const page = await context.newPage();16await page.fill('input[type="search"]', 'Playwright');17await page.click('input[type="submit"]', { force: true });18const internalApi = await page.context().newCDPSession(page);19const result = await internalApi.send('Playwright.internalMethodThatReturnsFalse');20console.log(result);21const { Playwright } = require('playwright');22const playwright = new Playwright();23const browser = await playwright.chromium.launch();24const context = await browser.newContext();25const page = await context.newPage();26await page.fill('input[type="search"]', 'Playwright');27await page.click('input[type="submit"]', { force: true });28const internalApi = await page.context().newCDPSession(page);29const result = await internalApi.send('Playwright.internalMethodThatReturnsFalse');30console.log(result);31const { Playwright } = require('playwright');32const playwright = new Playwright();33const browser = await playwright.chromium.launch();34const context = await browser.newContext();35const page = await context.newPage();36await page.fill('input[type="search"]', 'Playwright');37await page.click('input[type="submit"]', { force: true });

Using AI Code Generation

1const { Playwright } = require('playwright');2const pw = new Playwright();3const browser = await pw.chromium.launch({ headless: false });4const page = await browser.newPage();5await page.screenshot({ path: `example.png` });6await browser.close();7const { Playwright } = require('./lib/server/playwright');8module.exports = { Playwright };9const { PlaywrightInternal } = require('./playwrightInternal');10class Playwright {11  constructor() {12    this._internal = new PlaywrightInternal();13  }14  async chromium() {15    return this._internal.chromium();16  }17}18module.exports = { Playwright };19const { ThatReturnsFalse } = require('./utils');20class PlaywrightInternal {21  constructor() {22    this._chromium = undefined;23  }24  async chromium() {25    if (!this._chromium) {26      this._chromium = await this._launchChromium();27    }28    return this._chromium;29  }30  async _launchChromium() {31    const { launchProcess } = require('./browserServer');32    const { BrowserServer } = require('./browser');33    const { BrowserContext } = require('./browserContext');34    const { Browser } = require('./browser');35    const { Page } = require('./page');36    const { Frame } = require('./frame');37    const { JSHandle } = require('./jsHandle');38    const { ElementHandle } = require('./dom');39    const { Worker } = require('./worker');40    const { ConsoleMessage } = require('./console');41    const { Dialog } = require('./dialog');42    const { Download } = require('./download');43    const { Video } = require('./video');44    const { CRBrowser } = require('./chromium/crBrowser');45    const { CRBrowserContext } = require('./chromium/crBrowserContext');46    const { CRPage } = require('./chromium/crPage');47    const { CRSession } = require('./chromium/crConnection');48    const { CRConnection } = require('./chromium/crConnection

Using AI Code Generation

1const { PlaywrightInternal } = require('playwright');2const { ThatReturnsFalse } = PlaywrightInternal;3console.log(ThatReturnsFalse());4const { PlaywrightInternal } = require('playwright');5const { ThatReturnsFalse } = PlaywrightInternal;6console.log(ThatReturnsFalse());7const { PlaywrightInternal } = window.playwright;8const { ThatReturnsFalse } = PlaywrightInternal;9console.log(ThatReturnsFalse());10const { PlaywrightInternal } = window.playwright;11const { ThatReturnsFalse } = PlaywrightInternal;12console.log(ThatReturnsFalse());13@kumarkarthik - I’m trying to use this function in a browser context, and I’m not able to get it to work. I’ve tried both of your suggestions (using the window.playwright object and the window.playwright object), but I’m always getting an error that PlaywrightInternal is undefined. Have you tried this in a browser context?14@kumarkarthik - I’m trying to use this function in a browser context, and I’m not able to get it to work. I’ve tried both of your suggestions (using the window.playwright object and the window.playwright object), but I’m always getting an error that PlaywrightInternal is undefined. Have you tried this in a browser context?15@kumarkarthik - I’m trying to use this function in a browser context, and I’m not able to get it to work. I’ve tried both of your suggestions (using the window.playwright object and the window.playwright object), but I’m always getting an error that PlaywrightInternal is undefined. Have you tried this in a browser context?16@kumarkarthik - I’m trying to use this function in a browser context, and I’m not able to get it to work. I’ve tried both of your suggestions (using the window.playwright object and the window.playwright object), but I’m always getting an error

Using AI Code Generation

1const { BrowserType } = require('playwright/lib/server/browserType');2const { Browser } = require('playwright/lib/server/browser');3const { Page } = require('playwright/lib/server/page');4const { chromium } = require('playwright');5const originalBrowserTypeLaunch = BrowserType.prototype.launch;6BrowserType.prototype.launch = async function (options) {7  const browser = await originalBrowserTypeLaunch.call(this, options);8  const originalBrowserNewContext = browser.newContext;9  browser.newContext = async function (options) {10    const context = await originalBrowserNewContext.call(this, options);11    const originalContextNewPage = context.newPage;12    context.newPage = async function () {13      const page = await originalContextNewPage.call(this);14      const originalPageSetFileChooserInterceptedNoReply = page._setFileChooserInterceptedNoReply;15      page._setFileChooserInterceptedNoReply = async function (intercepted) {16        if (intercepted) {17          const originalPageFileChooserInterceptedNoReply = page._fileChooserInterceptedNoReply;18          page._fileChooserInterceptedNoReply = async function (element, isMultiple) {19            await originalPageFileChooserInterceptedNoReply.call(this, element, isMultiple);20            await originalPageSetFileChooserInterceptedNoReply.call(this, false);21          };22        }23        await originalPageSetFileChooserInterceptedNoReply.call(this, intercepted);24      };25      return page;26    };27    return context;28  };29  return browser;30};31(async () => {32  const browser = await chromium.launch();33  const context = await browser.newContext();34  const page = await context.newPage();35  await page.waitForSelector('input[type="file"]');36  const input = await page.$('input[type="file"]');37  await input.setInputFiles('test.js');38  await browser.close();39})();

Using AI Code Generation

1const { PlaywrightInternal } = require('playwright/lib/server/playwright')2const internal = new PlaywrightInternal()3const { ThatReturnsFalse } = internal4console.log(ThatReturnsFalse())5const { PlaywrightInternal } = require('playwright/lib/server/playwright')6const internal = new PlaywrightInternal()7const { ThatReturnsFalse } = internal8console.log(ThatReturnsFalse())9const { PlaywrightInternal } = require('playwright/lib/server/playwright')10const internal = new PlaywrightInternal()11const { ThatReturnsFalse } = internal12console.log(ThatReturnsFalse())13const { PlaywrightInternal } = require('playwright/lib/server/playwright')14const internal = new PlaywrightInternal()15const { ThatReturnsFalse } = internal16console.log(ThatReturnsFalse())17const { PlaywrightInternal } = require('playwright/lib/server/playwright')18const internal = new PlaywrightInternal()19const { ThatReturnsFalse } = internal20console.log(ThatReturnsFalse())21const { PlaywrightInternal } = require('playwright/lib/server/playwright')22const internal = new PlaywrightInternal()23const { ThatReturnsFalse } = internal24console.log(ThatReturnsFalse())25const { PlaywrightInternal } = require('playwright/lib/server/playwright')26const internal = new PlaywrightInternal()27const { ThatReturnsFalse } = internal28console.log(ThatReturnsFalse())29const { PlaywrightInternal } = require('playwright/lib/server/playwright')30const internal = new PlaywrightInternal()31const { ThatReturnsFalse } = internal32console.log(ThatReturnsFalse())33const { PlaywrightInternal } = require('playwright/lib/server/playwright')

Using AI Code Generation

1const { ThatReturnsFalse } = require('playwright/lib/utils/utils');2const assert = require('assert');3const foo = ThatReturnsFalse();4assert.equal(foo, false);5const { ThatReturnsFalse } = require('playwright/lib/utils/utils');6const assert = require('assert');7const foo = ThatReturnsFalse();8assert.equal(foo, false);9const { ThatReturnsFalse } = require('playwright/lib/utils/utils');10const assert = require('assert');11const foo = ThatReturnsFalse();12assert.equal(foo, false);13const { ThatReturnsFalse } = require('playwright/lib/utils/utils');14const assert = require('assert');15const foo = ThatReturnsFalse();16assert.equal(foo, false);17const { ThatReturnsFalse } = require('playwright/lib/utils/utils');18const assert = require('assert');19const foo = ThatReturnsFalse();20assert.equal(foo, false);21const { ThatReturnsFalse } = require('playwright/lib/utils/utils');22const assert = require('assert');23const foo = ThatReturnsFalse();24assert.equal(foo, false);25const { ThatReturnsFalse } = require('playwright/lib/utils/utils');26const assert = require('assert');27const foo = ThatReturnsFalse();28assert.equal(foo, false);29const { ThatReturnsFalse } = require('playwright/lib/utils/utils');30const assert = require('assert');31const foo = ThatReturnsFalse();32assert.equal(foo, false);33const { ThatReturnsFalse } = require('playwright/lib/utils/utils');34const assert = require('assert');35const foo = ThatReturnsFalse();36assert.equal(foo, false);

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
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Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.