Best JavaScript code snippet using playwright-internal
event.js
Source:event.js
1import { updateQueue } from './component';2// React åæäºä»¶(å¼æ¥è°ç¨äºä»¶ï¼ä¼æé®é¢ï¼éè¦ç¨ e.persist())3/**4 * æºç 使ç¨çäºä»¶æ± çæ¦å¿µ5 * const EVENT_POOL_SIZE = 10;6 * getPooledEvent å¾å°7 * releasePooledEvent éæ¾æ8 *9 * @param {*} dom10 * @param {*} eventType11 * @param {*} listener12 */13/**14 * å¨React ä¸, 并ä¸æ¯æäºä»¶ç»å®å¨è¦ç»å®çDOMå
ç´ ä¸ èæ¯ç»å®å°document ä¸ï¼ç±»ä¼¼äºäºä»¶å§æ15 * 为ä»ä¹ååæäºä»¶ï¼16 * 1. å¯ä»¥å±è½æµè§å¨çå·®å¼ï¼ä¸åçæµè§å¨ç»å®å触åäºä»¶çæ¹æ³ä¸ä¸æ ·17 * 2. åæäºä»¶ï¼å¯ä»¥å®ç°äºä»¶å¯¹è±¡çå¤ç¨ï¼ åå°åå¾åæ¶ï¼ æé«æ§è½18 * 3. å 为é»è®¤è¦å®ç°æ¹éæ´æ°ï¼ 两个 setState å并æä¸æ¬¡æ´æ°ï¼å®ä¹æ¯å¨åæäºä»¶ä¸å®ç°ç19 * @param {*} dom è¦ç»å®äºä»¶çDOMèç¹20 * @param {*} eventType äºä»¶çç±»å æ¯å¦onClick21 * @param {*} listener äºä»¶å¤çå½æ°22 */23export function addEvent(dom, eventType, listener) {24 eventType = eventType.toLowerCase();25 // å¨ç»å®çdomèç¹ä¸æå¨ä¸ä¸ªå¯¹è±¡ï¼ åå¤åæ¾çå¬å½æ°26 let eventStore = dom.eventStore || (dom.eventStore = {});27 // eventStore.onclick = ()=>{ alert("click")}28 eventStore[eventType] = listener;29 // document.addEventListener('click')30 // 两个é¶æ®µï¼ å
äºä»¶æè·ï¼ å¨äºä»¶å泡ï¼falseé»è®¤æ¯å泡ï¼31 // æäºä»¶é½ç»å®å°documentä¸32 document.addEventListener(eventType.slice(2), dispatchEvent, false);33}34/**35 * çæ£äºä»¶ç触åçåè°ç»ä¸æ¯è¿ä¸ª dispatchEvent36 * ææçäºä»¶å¤çå½æ°é½ä¼è¿å
¥è¿ä¸ªdispatchEvent37 * @param {*} event å°±æ¯åæ¥çäºä»¶å¯¹è±¡ï¼ ä½æ¯ä¼ éç»æ们ççå¬å½æ°ç并ä¸æ¯å®38 */39// ä¹å¯ä»¥æ¯äºä»¶æ± [], é»è®¤é¿åº¦ä¸º1040// å建ä¸ä¸ªåæäºä»¶å¯¹è±¡çç¼å41let syntheticEvent = null;42function dispatchEvent(event) {43 // ä» åæç event äºä»¶å¯¹è±¡ä¸è§£æåº type(äºä»¶çç±»å) å target(ä½ç¨çå
ç´ )44 let { type, target } = event;45 let eventType = 'on' + type; // onclick46 // ç»syntheticEvent对象èµå¼47 syntheticEvent = getSyntheticEvent(event);48 // å¨äºä»¶çå¬å½æ°æ§è¡åï¼å
è¿å
¥æ¹éæ´æ°æ¨¡å¼49 updateQueue.isPending = true;50 // 容æå¼èµ·å
åæ³æ¼51 while (target) {52 // 解æåºçå¬å½æ°å¯¹è±¡53 let { eventStore } = target;54 // ä»è¿ä¸ªå¯¹è±¡ä¸ æ¿å°çå¬å½æ°55 let listener = eventStore && eventStore[eventType];56 // å¦æç¹å»çè¿ä¸ªå
ç´ ä¸æè¿ä¸ªçå¬å½æ°ï¼å°±æ§è¡57 if (listener) {58 // æ§è¡çå¬å½æ°59 listener.call(target, syntheticEvent);60 }61 // å¦åçè¯ï¼å°±å»ç¶èç¹ä¸æ¾,æ以åè¿å
¥ while 循ç¯62 target = target.parentNode;63 }64 // çææççå¬å½æ°æ§è¡å®äºï¼å°±æ¸
空ææçå±æ§ï¼ ä¾ä¸æ¬¡å¤ç¨æ¤syntheticEvent对象(éæ¯)65 for (let key in syntheticEvent) {66 if (key !== 'persist') syntheticEvent[key] = null;67 }68 // å½äºä»¶å¤çå½æ°æ§è¡å®æä¹åï¼ææ¹éæ´æ°æ¹ä¸ºfalse69 updateQueue.isPending = false;70 // æ§è¡æ¹éæ´æ°ï¼å°±æ¯æç¼åçé£ä¸ªupdater å
¨é¨æ§è¡äº71 updateQueue.batchUpdater();72}73// æä¹
ååæäºä»¶æº74function persist() {75 syntheticEvent = { persist };76}77// è·ååæäºä»¶å¯¹è±¡78function getSyntheticEvent(nativeEvent) {79 // æå è½½ä¸ä¸ª syntheticEvent 对象ï¼ä¸ºä»ä¹åæäºä»¶ï¼ å 为å®ä¼å®ç°ä¸ä¸ªç¼åï¼80 // å¦æ没æçè¯ï¼ä¹å°±æ¯å°±ç¬¬ä¸æ¬¡åå»ºï¼ åè¾¹ä¼å¤ç¨81 if (!syntheticEvent) {82 // å°±å建ä¸ä¸ªæ°çsyntheticEvent对象83 // syntheticEvent = new SyntheticEvent();84 syntheticEvent = { persist };85 }86 syntheticEvent.nativeEvent = nativeEvent;87 syntheticEvent.currentTarget = nativeEvent.target;88 // 循ç¯åçäºä»¶å¯¹è±¡(æåçäºä»¶å¯¹è±¡ä¸çå±æ§åæ¹æ³é½æ·è´å°åæäºä»¶å¯¹è±¡ä¸)89 for (let key in syntheticEvent) {90 // å¦æè¿ä¸ªåç äºä»¶å¯¹è±¡çæ个å±æ§çç±»åæ¯å½æ°91 if (typeof nativeEvent[key] == 'function') {92 // ç»å®this æé93 syntheticEvent[key] = nativeEvent[key].bind(nativeEvent);94 } else {95 syntheticEvent[key] = nativeEvent[key];96 }97 }98 return syntheticEvent;...
SyntheticEvent.js
Source:SyntheticEvent.js
...124 EventConstructor.eventPool = [];125 EventConstructor.getPooled = getPooledEvent;126 EventConstructor.release = releasePooledEvent;127}128function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) {129 const EventConstructor = this;130 if (EventConstructor.eventPool.length) {131 const instance = EventConstructor.eventPool.pop();132 EventConstructor.call(133 instance,134 dispatchConfig,135 targetInst,136 nativeEvent,137 nativeInst,138 );139 return instance;140 }141 return new EventConstructor(142 dispatchConfig,...
7772.js
Source:7772.js
1{2 EventConstructor.eventPool = [];3 EventConstructor.getPooled = getPooledEvent;4 EventConstructor.release = releasePooledEvent;...
Using AI Code Generation
1const { InternalEventEmitter } = require('playwright/lib/internal/events');2const { getTestState } = require('playwright/lib/test/state');3const { test } = require('playwright/lib/test/test');4const { expect } = require('playwright/lib/test/chai');5test('test', async ({ page }) => {6 const eventEmitter = await getTestState(page)._eventEmitter;7 const event = await eventEmitter.getPooledEvent('request', (request) => request.url().includes('google'));8});9#### eventEmitter.on(event, handler)10const { InternalEventEmitter } = require('playwright/lib/internal/events');11const { test } = require('playwright/lib/test/test');12const { expect } = require('playwright/lib/test/chai');13test('test', async ({ page }) => {14 const eventEmitter = await page._eventEmitter;15 eventEmitter.on('request', (request) => {16 });17});18#### eventEmitter.off(event, handler)19const { InternalEventEmitter } = require('playwright/lib/internal/events');20const { test } = require('playwright/lib/test/test');21const { expect } = require('playwright/lib/test/chai');22test('test', async ({ page }) => {23 const eventEmitter = await page._eventEmitter;24 const handler = (request) => {25 };26 eventEmitter.on('request', handler);27 eventEmitter.off('request', handler);28});29#### eventEmitter.once(event, handler)
Using AI Code Generation
1const { getPooledEvent } = require('playwright-core/lib/server/events');2const event = getPooledEvent('page', 'request', (page) => {3 page.on('request', (request) => {4 console.log(request.url());5 });6});7event.emit('page', page);8const { getPooledEvent } = require('playwright-core/lib/server/events');
Using AI Code Generation
1const playwright = require('playwright');2const { getEventObject } = require('playwright/lib/internal/protocol/serializers');3const { getPooledEvent } = require('playwright/lib/internal/protocol/serializers');4const { events } = require('playwright/lib/internal/protocol/serializers');5const event = getPooledEvent(events.BrowserContextEvent, 'targetcreated', {6 targetInfo: {7 }8});9console.log(event);10const eventObject = getEventObject(event);11console.log(eventObject);12BrowserContextEvent {13 _targetInfo: {14 }15}16{17 targetInfo: {18 },19}20- [Playwright Internal](
Using AI Code Generation
1const { getPooledEvent } = require('@playwright/test/lib/server/trace/recorder/events');2const event = getPooledEvent('page', 'load');3event.timestamp = 12345;4event.stack = 'at <anonymous>:1:1';5event.emit();6const { test, expect } = require('@playwright/test');7test('verify event', async ({ page }) => {8 const events = await page.context().tracing.getEvents();9 expect(events).toContainEqual({10 });11});12### `getPooledEvent(type: string, name: string)`
Using AI Code Generation
1const { getPooledEvent } = require('@playwright/test/lib/server/events');2const event = getPooledEvent();3event.init('test', true, true, { foo: 'bar' });4event.target.dispatchEvent(event);5 ✕ test (1ms)6 2 | const { getPooledEvent } = require('@playwright/test/lib/server/events');7 3 | const event = getPooledEvent();8 > 4 | event.init('test', true, true, { foo: 'bar' });9 5 | event.target.dispatchEvent(event);10 at Object.<anonymous> (test.js:4:8)
Using AI Code Generation
1const { getPooledEvent } = require('playwright/lib/server/events');2const event = getPooledEvent('myEvent');3event.init('myEvent', true, true, { myData: 'hello' });4document.dispatchEvent(event);5const { test } = require('@playwright/test');6test('my test', async ({ page }) => {7 await page.goto('/index.html');8 await page.waitForEvent('myEvent');9});
Using AI Code Generation
1const { getPooledEvent } = require('playwright/lib/server/events');2const event = await getPooledEvent(page, 'request');3console.log(event.url);4const { getPooledEvent } = require('playwright/lib/server/events');5const event = await getPooledEvent(page, 'request');6console.log(event.url);7### `getPooledEvent(page, event)`
Using AI Code Generation
1const { getPooledEvent } = require('playwright/lib/internal/inspectorInstrumentation');2const { emit } = require('events');3const { getEventListeners } = require('events');4const { getEventListeners } = require('events');5const { getEventListeners } = require('events');6const { getEventListeners } = require('events');7const { getEventListeners } = require('events');8const { getEventListeners } = require('events');9const { getEventListeners } = require('events');10const { getEventListeners } = require('events');11const { getEventListeners } = require('events');12const { getEventListeners } = require('events');13const { getEventListeners } = require('events');14const { getEventListeners } = require('events');15const { getEventListeners } = require('events');16const { getEventListeners } = require('events');17const { getEventListeners } = require('events');18const { getEventListeners } = require('events');19const { getEventListeners } = require('events');20const { getEventListeners } = require('events');21const { getEventListeners } = require('events');
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.
Get 100 minutes of automation test minutes FREE!!