Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More
How to use releaseTopLevelCallbackBookKeeping method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactDOMEventListener.js
Source:ReactDOMEventListener.js 
...24}25export function isEnabled() {26 return _enabled;27}28function releaseTopLevelCallbackBookKeeping(instance) {29 instance.topLevelType = null;30 instance.nativeEvent = null;31 instance.targetInst = null;32 instance.ancestors.length = 0;33 if (callbackBookkeepingPool.length < CALLBACK_BOOKKEEPING_POOL_SIZE) {34 callbackBookkeepingPool.push(instance);35 }36}37function getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst) {38 if (callbackBookkeepingPool.length) {39 // å¤ç¨40 const instance = callbackBookkeepingPool.pop();41 instance.topLevelType = topLevelType;42 instance.nativeEvent = nativeEvent;43 instance.targetInst = targetInst;44 return instance;45 }46 return {47 topLevelType,48 nativeEvent,49 targetInst,50 ancestors: [],51 };52}53function findRootContainerNode(inst) {54 while (inst.return) {55 inst = inst.return;56 }57 if (inst.tag !== HostRoot) {58 // This can happen if we're in a detached tree.59 return null;60 }61 return inst.stateNode.containerInfo;62}63function handleTopLevel(bookKeeping) {64 let targetInst = bookKeeping.targetInst;65 let ancestor = targetInst;66 do {67 if (!ancestor) {68 const ancestors = bookKeeping.ancestors;69 ancestors.push(ancestor);70 break;71 }72 const root = findRootContainerNode(ancestor);73 if (!root) {74 break;75 }76 bookKeeping.ancestors.push(ancestor);77 ancestor = getClosestInstanceFromNode(root);78 } while (ancestor);79 for (let i = 0; i < bookKeeping.ancestors.length; i++) {80 targetInst = bookKeeping.ancestors[i];81 const eventTarget = getEventTarget(bookKeeping.nativeEvent);82 const topLevelType = bookKeeping.topLevelType;83 const nativeEvent = bookKeeping.nativeEvent;84 runExtractedPluginEventsInBatch(85 topLevelType,86 targetInst,87 nativeEvent,88 eventTarget,89 );90 }91}92function dispatchEventForPluginEventSystem(93 topLevelType,94 eventSystemFlags,95 nativeEvent,96 targetInst,97) {98 const bookKeeping = getTopLevelCallbackBookKeeping(99 topLevelType,100 nativeEvent,101 targetInst,102 );103 try {104 batchedEventUpdates(handleTopLevel, bookKeeping);105 } finally {106 releaseTopLevelCallbackBookKeeping(bookKeeping);107 }108}109function dispatchEvent(topLevelType, eventSystemFlags, nativeEvent) {110 if (!_enabled) {111 return;112 }113 const nativeEventTarget = getEventTarget(nativeEvent);114 let targetInst = getClosestInstanceFromNode(nativeEventTarget);115 dispatchEventForPluginEventSystem(116 topLevelType,117 eventSystemFlags,118 nativeEvent,119 targetInst,120 );...
Using AI Code Generation
1const { Playwright } = require('playwright-core/lib/client/playwright');2const { BrowserContext } = require('playwright-core/lib/server/browserContext');3const { Page } = require('playwright-core/lib/server/page');4const playwright = new Playwright();5const browser = await playwright.chromium.launch();6const context = await browser.newContext();7const page = await context.newPage();8await page.click('[aria-label="Google apps"]');9await page.click('[aria-label="Google apps"]');10await page.click('text=YouTube');11await page.click('[aria-label="Search"]');12await page.click('[aria-label="Search"]');13await page.fill('[aria-label="Search"]', 'playwright');14await page.press('[aria-label="Search"]', 'Enter');15await page.click('text=Playwright: Node.js library to automate Chromium, Firefox and WebKit');16await page.click('text=Playwright: Node.js library to automate Chromium, Firefox and WebKit');17await page.click('text=Playwright: Node.js library to automate Chromium, Firefox and WebKit');18await page.click('text=Playwright: Node.js library to automate Chromium, Firefox and WebKit');19await page.click('text=Playwright: Node.js library to automate Chromium, Firefox and WebKit');20await page.click('text=Playwright: Node.js library to automate Chromium, Firefox and WebKit
Playwright tutorial
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.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
