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How to use legacyListenToTopLevelEvent method in Playwright Internal

Best JavaScript code snippet using playwright-internal

DOMLegacyEventPluginSystem.js

Source:DOMLegacyEventPluginSystem.js

...295  const listenerMap = getListenerMapForElement(mountAt);296  const dependencies = registrationNameDependencies[registrationName];297  for (let i = 0; i < dependencies.length; i++) {298    const dependency = dependencies[i];299    legacyListenToTopLevelEvent(dependency, mountAt, listenerMap);300  }301}302export function legacyListenToTopLevelEvent(303  topLevelType: DOMTopLevelEventType,304  mountAt: Document | Element | Node,305  listenerMap: Map<DOMTopLevelEventType | string, null | (any => void)>,306): void {307  if (!listenerMap.has(topLevelType)) {308    switch (topLevelType) {309      case TOP_SCROLL:310        trapCapturedEvent(TOP_SCROLL, mountAt);311        break;312      case TOP_FOCUS:313      case TOP_BLUR:314        trapCapturedEvent(TOP_FOCUS, mountAt);315        trapCapturedEvent(TOP_BLUR, mountAt);316        // We set the flag for a single dependency later in this function,...

Using AI Code Generation

1import { chromium } from "playwright";2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.waitForTimeout(5000);7  await page.legacyListenToTopLevelEvent("beforeunload");8  await page.click("text=Google apps");9  await page.waitForTimeout(5000);10  await page.legacyStopListeningToTopLevelEvent("beforeunload");11  await page.waitForTimeout(5000);12  await browser.close();13})();

Using AI Code Generation

1const playwright = require('playwright');2const { legacyListenToTopLevelEvent } = 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  await legacyListenToTopLevelEvent(context, 'page', (event) => {8    console.log(event);9  });10  await page.close();11  await context.close();12  await browser.close();13})();14{ frame: null,15  isCrashed: false }16Event Description page.on('close') Emitted when the page gets closed. page.on('console') Emitted when a JavaScript initiated dialog (alert, confirm, prompt, or beforeunload) is created. page.on('crash') Emitted when the page crashes. page.on('dialog') Emitted when a JavaScript initiated dialog (alert, confirm, prompt, or beforeunload) is created. page.on('domcontentloaded') Emitted when the page has DOM content loaded. page.on('download') Emitted when a download is started. page.on('filechooser') Emitted when a file chooser is seen, page.on('frameattached') Emitted when a frame gets attached to the page. page.on('framedetached') Emitted when a frame gets detached from the page. page.on('framenavigated') Emitted when a frame commits a navigation. page.on('load') Emitted when the page has finished loading. page.on('pageerror') Emitted when

Using AI Code Generation

1const { chromium } = require('playwright');2const { legacyListenToTopLevelEvent } = require('playwright/lib/internal/legacyListenToTopLevelEvent');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await legacyListenToTopLevelEvent(page, 'load', (event) => {8    console.log(event);9  });10  await page.close();11})();

Using AI Code Generation

1const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');2const { Page } = require('playwright/lib/server/page');3const { BrowserContext } = require('playwright/lib/server/browserContext');4const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');5const { Page } = require('playwright/lib/server/page');6const { BrowserContext } = require('playwright/lib/server/browserContext');7const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');8const { Page } = require('playwright/lib/server/page');9const { BrowserContext } = require('playwright/lib/server/browserContext');10const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');11const { Page } = require('playwright/lib/server/page');12const { BrowserContext } = require('playwright/lib/server/browserContext');13const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');14const { Page } = require('playwright/lib/server/page');15const { BrowserContext } = require('playwright/lib/server/browserContext');16const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');17const { Page } = require('playwright/lib/server/page');18const { BrowserContext } = require('playwright/lib/server/browserContext');19const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');20const { Page } = require('playwright/lib/server/page');21const { BrowserContext } = require('playwright/lib/server/browserContext');22const { legacyListenToTopLevelEvent } = require('playwright/lib/server/frames');23const { Page } = require('playwright/lib/server/page');24const { BrowserContext } = require('playwright/lib/server/browserContext');

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch({ headless: false });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.legacyListenToTopLevelEvent('domcontentloaded');7  await page.legacyListenToTopLevelEvent('load');8  await page.legacyListenToTopLevelEvent('networkidle');9  await page.legacyListenToTopLevelEvent('request');10  await page.legacyListenToTopLevelEvent('response');11  await page.legacyListenToTopLevelEvent('close');12  await page.close();13  await context.close();14  await browser.close();15})();16const playwright = require('playwright');17(async () => {18  const browser = await playwright.chromium.launch({ headless: false });19  const context = await browser.newContext();20  const page = await context.newPage();21  await page.legacyListenToTopLevelEvent('domcontentloaded');22  await page.legacyListenToTopLevelEvent('load');23  await page.legacyListenToTopLevelEvent('networkidle');24  await page.legacyListenToTopLevelEvent('request');25  await page.legacyListenToTopLevelEvent('response');26  await page.legacyListenToTopLevelEvent('close');27  await page.close();28  await context.close();29  await browser.close();30})();

Using AI Code Generation

1const { legacyListenToTopLevelEvent } = require('playwright/lib/server/chromium/crConnection.js');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();8  await page.waitForLoadState();9  await legacyListenToTopLevelEvent(page, 'Network.requestWillBeSent', (event) => {10    console.log(event);11  });12  await page.click('input[type="text"]');13  await page.keyboard.type('Hello World');14  await browser.close();15})();16import { chromium } from 'playwright';17import { legacyListenToTopLevelEvent } from 'playwright/lib/server/chromium/crConnection.js';18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.waitForLoadState();23  await legacyListenToTopLevelEvent(page, 'Network.requestWillBeSent', (event) => {24    console.log(event);25  });26  await page.click('input[type="text"]');27  await page.keyboard.type('Hello World');28  await browser.close();29})();30### `legacyListenToTopLevelEvent(page: Page, eventName: string, callback: (event: Object) => void): Promise<void>`31[Apache-2.0](LICENSE)

Using AI Code Generation

1const playwright = require('playwright');2const { Internal } = require('playwright/lib/server/frames');3const { isString } = require('util');4const browser = await playwright.chromium.launch();5const context = await browser.newContext();6const page = await context.newPage();7Internal.prototype.legacyListenToTopLevelEvent = async function (event, handler) {8  const eventHandler = (event) => {9    if (isString(event._event)) {10      handler(event._event);11    } else {12      handler(event._event.name);13    }14  };15  this._page._delegate.on(event, eventHandler);16  return () => this._page._delegate.removeListener(event, eventHandler);17};18Internal.prototype.listenToTopLevelEvent = async function (event, handler) {19  const eventHandler = (event) => {20    if (isString(event._event)) {21      handler(event._event);22    } else {23      handler(event._event.name);24    }25  };26  this._page._delegate.on(event, eventHandler);27  return () => this._page._delegate.removeListener(event, eventHandler);28};29const frame = page.mainFrame();30const internal = frame._internalFrame;31internal.legacyListenToTopLevelEvent('request', (event) => {32  console.log(event);33});34internal.listenToTopLevelEvent('request', (event) => {35  console.log(event);36});37await browser.close();

Using AI Code Generation

1const playwright = require('playwright');2const { legacyListenToTopLevelEvent } = playwright._internal;3const { chromium } = playwright;4const browser = await chromium.launch();5const page = await browser.newPage();6await legacyListenToTopLevelEvent(page, 'load');7await browser.close();8const { chromium } = require('playwright');9const browser = await chromium.launch();10const page = await browser.newPage();11page.on('load', () => console.log('Page loaded!'));12await browser.close();13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch();16  const page = await browser.newPage();17  await page.screenshot({ path: 'google.png' });18  await browser.close();19})();20    at Page._onTargetCrashed (C:\Users\joe\Desktop\playwright\playwright\node_modules\playwright\lib\server\page.js:109:34)21    at CDPSession.Page._client.on.event (C:\Users\joe\Desktop\playwright\playwright\node_modules\playwright\lib\server\page.js:87:70)22    at CDPSession.emit (events.js:315:20)23    at CDPSession._onMessage (C:\Users\joe\Desktop\playwright\playwright\node_modules\playwright\lib\server\cdp.js:124:12)24    at CDPSession._connection.on.message (C:\Users\

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