Best JavaScript code snippet using playwright-internal
EnterLeaveEventPlugin.js
Source:EnterLeaveEventPlugin.js  
...22                                                                         23import {HostComponent, HostText} from 'react-reconciler/src/ReactWorkTags';24import {getNearestMountedFiber} from 'react-reconciler/src/ReactFiberTreeReflection';25function registerEvents() {26  registerDirectEvent('onMouseEnter', ['mouseout', 'mouseover']);27  registerDirectEvent('onMouseLeave', ['mouseout', 'mouseover']);28  registerDirectEvent('onPointerEnter', ['pointerout', 'pointerover']);29  registerDirectEvent('onPointerLeave', ['pointerout', 'pointerover']);30}31/**32 * For almost every interaction we care about, there will be both a top-level33 * `mouseover` and `mouseout` event that occurs. Only use `mouseout` so that34 * we do not extract duplicate events. However, moving the mouse into the35 * browser from outside will not fire a `mouseout` event. In this case, we use36 * the `mouseover` top-level event.37 */38function extractEvents(39  dispatchQueue               ,40  domEventName              ,41  targetInst              ,42  nativeEvent                ,43  nativeEventTarget                    ,...ASyncEventManagerTest.js
Source:ASyncEventManagerTest.js  
...45            expect(ASyncEventManager.queue[0].length == 1).toBeTruthy();46            ASyncEventManager.execute();47            var q = function(){48                49                ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 1",func]);50                ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 2",func]);51                ASyncEventManager.execute();52            };53            var d = Ext.Function.defer(q, 5000);54        });55/*56        it('ASyncEventManager can register async events1', function () {57            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 1",func]);58            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 2",func]);59            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 3",func]);60            ASyncEventManager.execute();61        });62        it('ASyncEventManager can execute sync after async events2', function () {63            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 4", func]);64            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 5",func]);65            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list1 6",func]);66            ASyncEventManager.execute();67            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list2 1",func]);68            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list2 2",func]);69            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list2 3",func]);70            ASyncEventManager.execute();71            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list3 1",func]);72            ASyncEventManager.registerDirectEvent(Tests.GetTestData, ["list3 2",func]);73            ASyncEventManager.execute();74        });*/75        76    }...EventRegistry.js
Source:EventRegistry.js  
1export const allNativeEvents = new Set()2// 仿³¨ååæ å°å°äºä»¶å3export const registrationNameDependencies = {};4export function registerTwoPhaseEvent(registrationName, dependencies) {5  registerDirectEvent(registrationName, dependencies)6  registerDirectEvent(registrationName + 'Capture', dependencies)7}8export function registerDirectEvent(registrationName, dependencies) {9  registrationNameDependencies[registrationName] = dependencies10  for (let i = 0; i < dependencies.length; i++) {11    allNativeEvents.add(dependencies[i])12  }...Using AI Code Generation
1const playwright = require('playwright');2const { registerDirectEvent } = require('playwright/lib/server/browserContext');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  registerDirectEvent(page, 'myCustomEvent', (event) => {8    console.log('event received', event);9  });10  await page.evaluate(() => {11    window.dispatchEvent(new CustomEvent('myCustomEvent', { detail: { foo: 'bar' } }));12  });13  await browser.close();14})();15event received { foo: 'bar' }16event received { foo: 'bar' }17  pw:api => browserContext.dispatchEvent {18    event: {19      detail: { foo: 'bar' }20    }21  } +0ms22registerDirectEvent(page, eventName, handler)Using AI Code Generation
1const { registerDirectEvent } = require('playwright/lib/protocol/protocol');2const { chromium } = require('playwright');3const path = require('path');4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();Using AI Code Generation
1const { registerDirectEvent } = require('playwright/lib/server/directEvents');2const { Page } = require('playwright/lib/server/page');3const { BrowserContext } = require('playwright/lib/server/browserContext');4const { Browser } = require('playwright/lib/server/browser');5const { BrowserServer } = require('playwright/lib/server/browserServer');6registerDirectEvent(Page, 'pageEvent', (page, event) => {7  console.log('page event', event);8});9registerDirectEvent(BrowserContext, 'contextEvent', (context, event) => {10  console.log('context event', event);11});12registerDirectEvent(Browser, 'browserEvent', (browser, event) => {13  console.log('browser event', event);14});15registerDirectEvent(BrowserServer, 'serverEvent', (server, event) => {16  console.log('server event', event);17});18const { chromium } = require('playwright');19(async () => {20  const browser = await chromium.launch();21  const context = await browser.newContext();22  const page = await context.newPage();23  await browser.close();24})();Using AI Code Generation
1const playwright = require('playwright');2const { registerDirectEvent } = require('playwright/lib/internal/keyboard');3const { chromium } = require('playwright');4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  await page.waitForSelector('input[name="q"]');9  await page.focus('input[name="q"]');10  await page.keyboard.down('Shift');11  await page.keyboard.press('KeyA');12  await page.keyboard.press('KeyB');13  await page.keyboard.up('Shift');14  await page.keyboard.press('KeyC');15  await page.keyboard.press('KeyD');16  await page.keyboard.press('Enter');17  await page.waitForSelector('h3');18  await page.screenshot({ path: `example.png` });19  await browser.close();20})();21const { helper } = require('./helper');22const { assert } = require('./helper');23const { debugError } = require('./debug');24const { KeyDefinitions } = require('./input');25const { Events } = require('./events');26const { TimeoutError } = require('../errors');27const { KeyInput } = require('./keyInput');28const { MouseButton, MouseButtons } = require('./mouse');29const { assertMaxArguments } = require('./helper');30const { devices } = require('../deviceDescriptors');31const { toModifiersMask } = require('./input');32const { isString } = require('./helper');33const DEFAULT_PRESS_OPTIONS = {34};35const DEFAULT_TYPE_OPTIONS = {36};37const DEFAULT_DOWN_OPTIONS = {38};39const DEFAULT_UP_OPTIONS = {40};41const DEFAULT_INSERT_TEXT_OPTIONS = {42};43const DEFAULT_PRESS_KEY_OPTIONS = {44};45const DEFAULT_UNPRESS_KEY_OPTIONS = {46};47const DEFAULT_SELECT_ALL_OPTIONS = {48};49const DEFAULT_CUT_OPTIONS = {50};Using AI Code Generation
1const playwright = require('playwright');2const {registerDirectEvent} = require('playwright/lib/internal/events');3const {chromium} = require('playwright');4(async () => {5  const browser = await chromium.launch({6  });7  const page = await browser.newPage();8  await page.waitForTimeout(1000);9  await page.evaluate(async () => {10    const controller = new AbortController();11    const signal = controller.signal;12    const idleDetector = new IdleDetector();13    idleDetector.addEventListener('change', (e) => {14      console.log(e);15    });16    idleDetector.start({threshold: 10000, signal});17    await new Promise((resolve) => setTimeout(resolve, 10000));18    controller.abort();19    await new Promise((resolve) => setTimeout(resolve, 10000));20    idleDetector.stop();21  });22  await browser.close();23})();24 * @type {Map<string, function>}25const events = new Map();26 * @param {string} name27 * @param {function} handler28function registerDirectEvent(name, handler) {29  events.set(name, handler);30}31module.exports = { registerDirectEvent };32const { registerDirectEvent } = require('./events');33registerDirectEvent('IdleDetector.change', (event) => {34  console.log('IdleDetector.change', event);35});36const { registerDirectEvent } = require('./events');37registerDirectEvent('Page.idleStateChanged', (event) => {38  console.log('Page.idleStateChanged', event);39});40const { registerDirectEvent } = require('./events');41registerDirectEvent('Page.idleStateChanged', (event) => {42  console.log('Page.idleStateChanged', event);43});44const { registerDirectEvent } = require('./events');45registerDirectEvent('Page.idleStateChanged', (event) => {46  console.log('Page.idleStateChanged', event);47});48const { registerDirectUsing AI Code Generation
1const { registerDirectEvent } = require('playwright-core/lib/server/browserContext');2const { Page } = require('playwright-core/lib/server/page');3registerDirectEvent(Page, 'myCustomEvent', async (page, payload) => {4  console.log('custom event payload', payload);5});6const { test } = require('@playwright/test');7test('My test', async ({ page }) => {8  await page.evaluate(() => {9    window.dispatchEvent(new CustomEvent('myCustomEvent', { detail: { foo: 'bar' } }));10  });11});Using AI Code Generation
1const { registerDirectEvent } = require('playwright/lib/server/chromium/crConnection');2registerDirectEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {3});4const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');5registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {6});7const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');8registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {9});10const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');11registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {12});13const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');14registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {15});16const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');17registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {18});19const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');20registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message, defaultPrompt }) => {21});22const { registerCustomEvent } = require('playwright/lib/server/chromium/crConnection');23registerCustomEvent('Page.javascriptDialogOpening', ({ dialogType, message,Using AI Code Generation
1const playwright = require('playwright');2const { registerDirectEvent } = require('playwright/lib/internal/events');3registerDirectEvent('myEvent', 'myEvent', (event, target) => {4}, {5});6const { test, expect } = require('@playwright/test');7test('test', async ({ page }) => {8  await page.dispatchEvent('myEvent', { /*event data*/ });9});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.
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