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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¦æ没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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