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How to use addTrappedEventListener method in Playwright Internal

Best JavaScript code snippet using playwright-internal

DOMModernPluginEventSystem.js

Source:DOMModernPluginEventSystem.js

...139  listenerMap: Map<DOMTopLevelEventType | string, null | (any => void)>,140): void {141  if (!listenerMap.has(topLevelType)) {142    const isCapturePhase = capturePhaseEvents.has(topLevelType);143    addTrappedEventListener(rootContainerElement, topLevelType, isCapturePhase);144    listenerMap.set(topLevelType, null);145  }146}147export function listenToEvent(148  registrationName: string,149  rootContainerElement: Element,150): void {151  const listenerMap = getListenerMapForElement(rootContainerElement);152  const dependencies = registrationNameDependencies[registrationName];153  for (let i = 0; i < dependencies.length; i++) {154    const dependency = dependencies[i];155    listenToTopLevelEvent(dependency, rootContainerElement, listenerMap);156  }157}158const validFBLegacyPrimerRels = new Set([159  'dialog',160  'dialog-post',161  'async',162  'async-post',163  'theater',164  'toggle',165]);166function willDeferLaterForFBLegacyPrimer(nativeEvent: any): boolean {167  let node = nativeEvent.target;168  const type = nativeEvent.type;169  if (type !== 'click') {170    return false;171  }172  while (node !== null) {173    // Primer works by intercepting a click event on an <a> element174    // that has a "rel" attribute that matches one of the valid ones175    // in the Set above. If we intercept this before Primer does, we176    // will need to defer the current event till later and discontinue177    // execution of the current event. To do this we can add a document178    // event listener and continue again later after propagation.179    if (node.tagName === 'A' && validFBLegacyPrimerRels.has(node.rel)) {180      const legacyFBSupport = true;181      const isCapture = nativeEvent.eventPhase === 1;182      addTrappedEventListener(183        document,184        ((type: any): DOMTopLevelEventType),185        isCapture,186        legacyFBSupport,187      );188      return true;189    }190    node = node.parentNode;191  }192  return false;193}194function isMatchingRootContainer(195  grandContainer: Element,196  rootContainer: Document | Element,...

index.js

Source:index.js

...22    }23    listenToNativeEvent(domEventName, container, true);24  })25}26function addTrappedEventListener(27  domEventName,28  container,29  isCapturePhaseListener,30  eventSystemFlags31){32  const listener = createEventListener(33    container,34    domEventName,35    eventSystemFlags36  );37  addListener(container, domEventName, listener, isCapturePhaseListener)38}39export const IS_NON_DELEGATED = 1 << 1;40export const IS_CAPTURE_PHASE = 1 << 2;41export function listenToNonDelegatedEvent(domEventName, target){42  const isCapturePhaseListener = false;43  const listenerSet = getEventListenerSet(target);44  const listenerSetKey = getListenerSetKey(45    domEventName, 46    isCapturePhaseListener47  );48  if(!listenerSet.has(listenerSetKey)){49    addTrappedEventListener(50      domEventName,51      target,52      isCapturePhaseListener,53      IS_NON_DELEGATED54    );55    listenerSet.add(listenerSetKey);56  }57}58function getListenerSetKey(domEventName,capture){59  return `${domEventName}__${capture ? 'capture' : 'bubble'}`;60}61function listenToNativeEvent(domEventName, target, isCapturePhaseListener){62  let eventSystemFlags = 0;63  if (isCapturePhaseListener){64    eventSystemFlags |= IS_CAPTURE_PHASE;65  }66  addTrappedEventListener(67    domEventName,68    target,69    isCapturePhaseListener,70    eventSystemFlags71  )72}73function executeDispatch(curTarget, listener, event){74  const type = event.type || 'unknown-event';75  event.curTarget = curTarget;76  const funcArgs = Array.prototype.slice.call(arguments, 2);77  listener.apply(undefined, funcArgs);78  event.curTarget = null;79}80function processDispatchQueueItemsInOrder(...

DOMPluginEvnentSystem.js

Source:DOMPluginEvnentSystem.js

...36    // å¦ææ²¡æç»å®è¿ï¼å°±æ·»å ä¸è¿ä¸ªkey37    if (isCapturePhaseListener) {38      eventSystemFlags |= IS_CAPTURE_PHASE // let a = 1; a+=239    }40    addTrappedEventListener(41      rootContainerElement,42      domEventName,43      eventSystemFlags,44      isCapturePhaseListener45    )46    listenerSet.add(listenerSetKey)47  }48}49function addTrappedEventListener(50  rootContainerElement,51  domEventName,52  eventSystemFlags,53  isCapturePhaseListener54) {55  let listener = dispatchEvent.bind(56    null,57    domEventName,58    eventSystemFlags,59    rootContainerElement60  )61  if (isCapturePhaseListener) {62    addEventCaptureListener(rootContainerElement, domEventName, listener)63  } else {...

DOMPluginEventSystem.js

Source:DOMPluginEventSystem.js

...126  if (!listenerSet.has(listenerSetKey)) {127    if (isCapturePhaseListener) {128      eventSystemFlags |= IS_CAPTURE_PHASE;129    }130    addTrappedEventListener(131      target,132      domEventName,133      eventSystemFlags,134      isCapturePhaseListener135    );136    listenerSet.add(listenerSetKey);137  }138};139const listenToAllSupportedEvents = (rootContainerElement) => {140  if (rootContainerElement[listeningMarker]) return;141  rootContainerElement[listeningMarker] = true;142  allNativeEvents.forEach((domEventName) => {143    if (!nonDelegatedEvents.has(domEventName)) {144      listenToNativeEvent(domEventName, false, rootContainerElement, null);145    }146    listenToNativeEvent(domEventName, true, rootContainerElement, null);147  });148};149const listenToNonDelegatedEvent = (domEventName, targetElement) => {150  const isCapturePhaseListener = false;151  const listenerSet = getEventListenerSet(targetElement);152  const listenerSetKey = getListenerSetKey(153    domEventName,154    isCapturePhaseListener155  );156  if (!listenerSet.has(listenerSetKey)) {157    addTrappedEventListener(158      targetElement,159      domEventName,160      IS_NON_DELEGATED,161      isCapturePhaseListener162    );163    listenerSet.add(listenerSetKey);164  }165};166export {167  mediaEventTypes,168  nonDelegatedEvents,169  getListenerSetKey,170  listenToNativeEvent,171  listenToAllSupportedEvents,...

Using AI Code Generation

1const playwright = require('playwright');2const { addTrappedEventListener } = require('playwright/lib/internal/frames');3(async () => {4  const browser = await playwright.chromium.launch();5  const page = await browser.newPage();6  await addTrappedEventListener(page, 'request', (event) => {7    console.log('Request intercepted: ', event.url());8  });9  await page.click('input[name="q"]');10  await page.keyboard.type('Playwright');11  await page.keyboard.press('Enter');12  await page.waitForNavigation();13  await browser.close();14})();15import playwright from 'playwright';16import { addTrappedEventListener } from 'playwright/lib/internal/frames';17(async () => {18  const browser = await playwright.chromium.launch();19  const page = await browser.newPage();20  await addTrappedEventListener(page, 'request', (event) => {21    console.log('Request intercepted: ', event.url());22  });23  await page.click('input[name="q"]');24  await page.keyboard.type('Playwright');25  await page.keyboard.press('Enter');26  await page.waitForNavigation();27  await browser.close();28})();

Using AI Code Generation

1const { addTrappedEventListener } = require('playwright/lib/utils/events');2const { addTrappedEventListener } = require('playwright/lib/utils/events');3addTrappedEventListener(document, 'click', (event) => {4  console.log('click', event);5});6addTrappedEventListener(document, 'keydown', (event) => {7  console.log('keydown', event);8});9const { addTrappedEventListener } = require('playwright/lib/utils/events');10addTrappedEventListener(document, 'click', (event) => {11  console.log('click', event);12});13addTrappedEventListener(document, 'keydown', (event) => {14  console.log('keydown', event);15});16const { addTrappedEventListener } = require('playwright/lib/utils/events');17addTrappedEventListener(document, 'click', (event) => {18  console.log('click', event);19});20addTrappedEventListener(document, 'keydown', (event) => {21  console.log('keydown', event);22});23const { addTrappedEventListener } = require('playwright/lib/utils/events');24addTrappedEventListener(document, 'click', (event) => {25  console.log('click', event);26});27addTrappedEventListener(document, 'keydown', (event) => {28  console.log('keydown', event);29});30const { addTrappedEventListener } = require('playwright/lib/utils/events');31addTrappedEventListener(document, 'click', (event) => {32  console.log('click', event);33});34addTrappedEventListener(document, 'keydown', (event) => {35  console.log('keydown', event);36});37const { addTrappedEventListener } = require('playwright/lib/utils/events');38addTrappedEventListener(document, 'click', (event) => {39  console.log('click', event);40});41addTrappedEventListener(document, 'keydown', (event) => {42  console.log('keydown', event);43});44const { addTrappedEventListener } = require('playwright/lib/utils/events');45addTrappedEventListener(document, 'click', (event) => {46  console.log('click', event);47});48addTrappedEventListener(document, 'keydown', (event) => {49  console.log('keydown', event

Using AI Code Generation

1const { addTrappedEventListener } = require('playwright/lib/server/dom');2const { chromium } = require('playwright');3const fs = require('fs');4(async () => {5  const browser = await chromium.launch({6  });7  const page = await browser.newPage();8  const client = await page.context().newCDPSession(page);9  await client.send('Runtime.enable');10  await addTrappedEventListener(client, {11    handler: (event) => {12      console.log('event: ', event);13      fs.appendFileSync('output.txt', event.args[0].value + "14");15    },16    predicate: (event) => event.type === 'log',17  });

Using AI Code Generation

1const { addTrappedEventListener } = require('playwright/lib/client/frames');2const { firefox } = require('playwright');3(async () => {4  const browser = await firefox.launch({5  });6  const context = await browser.newContext();7  const page = await context.newPage();8  await addTrappedEventListener(page, 'load', async (event) => {9    console.log('load event is fired');10  });11  await page.click('text=English');12  await page.waitForLoadState('load');13  await browser.close();14})();

Using AI Code Generation

1const {addTrappedEventListener} = require('playwright/lib/utils/events');2const {Page} = require('playwright/lib/server/page');3const {Frame} = require('playwright/lib/server/frame');4const page = new Page();5const frame = new Frame();6const clickHandler = (event) => {7  console.log('Click event captured');8};9addTrappedEventListener(frame, 'click', clickHandler);10frame.emit('click');11const {addTrappedEventListener} = require('playwright/lib/utils/events');12const {Page} = require('playwright/lib/server/page');13const {Frame} = require('playwright/lib/server/frame');14const page = new Page();15const frame = new Frame();16const clickHandler = (event) => {17  console.log('Click event captured');18};19addTrappedEventListener(frame, 'click', clickHandler);20frame.emit('click');

Using AI Code Generation

1In order to use the above methods, you need to import the internal API as below:2const { addTrappedEventListener, removeTrappedEventListener, removeAllTrappedEventListeners } = require('@playwright/test/lib/server/trace/viewer/internal');3addTrappedEventListener(page, 'request', (request) => {4    console.log(request.url());5  });6  removeTrappedEventListener(page, 'request', (request) => {7    console.log(request.url());8  });9  removeAllTrappedEventListeners(page);10import { test, expect } from '@playwright/test';11import { addTrappedEventListener, removeTrappedEventListener, removeAllTrappedEventListeners } from '@playwright/test/lib/server/trace/viewer/internal';12test('test', async ({ page }) => {13  addTrappedEventListener(page, 'request', (request) => {14    console.log(request.url());15  });16  removeTrappedEventListener(page, 'request', (request) => {17    console.log(request.url());18  });19  removeAllTrappedEventListeners(page);20});

Using AI Code Generation

1const { addTrappedEventListener } = require('playwright/lib/server/dom.js');2addTrappedEventListener(window, 'click', (e) => {3  e.preventDefault();4  console.log('Click event is trapped');5});6const { addTrappedEventListener } = require('puppeteer/lib/ExecutionContext.js');7addTrappedEventListener(window, 'click', (e) => {8  e.preventDefault();9  console.log('Click event is trapped');10});11const { addTrappedEventListener } = require('cypress/lib/server/dom.js');12addTrappedEventListener(window, 'click', (e) => {13  e.preventDefault();14  console.log('Click event is trapped');15});16const { addTrappedEventListener } = require('testcafe-hammerhead/lib/client/sandbox/event/listeners.js');17addTrappedEventListener(window, 'click', (e) => {18  e.preventDefault();19  console.log('Click event is trapped');20});

Using AI Code Generation

1await addTrappedEventListener(window, 'all', (event) => {2  console.log(event);3});4await addTrappedEventListener(window, 'all', (event) => {5  console.log(event);6});7await addTrappedEventListener(window, 'all', (event) => {8  console.log(event);9});10await addTrappedEventListener(window, 'all', (event) => {11  console.log(event);12});13await addTrappedEventListener(window, 'all', (event) => {14  console.log(event);15});16await addTrappedEventListener(window, 'all', (event) => {17  console.log(event);18});19await addTrappedEventListener(window, 'all', (event) => {20  console.log(event);21});

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