KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
How to use finishSyncRender method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactFiberWorkLoop.js
Source:ReactFiberWorkLoop.js 
...968 // will commit it even if something suspended.969 stopFinishedWorkLoopTimer();970 root.finishedWork = (root.current.alternate: any);971 root.finishedExpirationTime = expirationTime;972 finishSyncRender(root);973 }974 // Before exiting, make sure there's a callback scheduled for the next975 // pending level.976 ensureRootIsScheduled(root);977 }978 return null;979}980function finishSyncRender(root) {981 // Set this to null to indicate there's no in-progress render.982 workInProgressRoot = null;983 debugger;984 commitRoot(root);985}986export function flushRoot(root: FiberRoot, expirationTime: ExpirationTime) {987 markRootExpiredAtTime(root, expirationTime);988 ensureRootIsScheduled(root);989 if ((executionContext & (RenderContext | CommitContext)) === NoContext) {990 flushSyncCallbackQueue();991 }992}993export function flushDiscreteUpdates() {994 // TODO: Should be able to flush inside batchedUpdates, but not inside `act`....
react-dom.js
Source:react-dom.js
...1393 console.log(document.getElementById('root')._reactRootContainer)1394 //commitfiber1395 root.finishedWork = root.current.alternate;1396 root.finishedExpirationTime = expirationTime;1397 finishSyncRender(root);1398 return null;1399}1400function finishSyncRender(root) {1401 // Set this to null to indicate there's no in-progress render.1402 // workInProgressRoot = null;1403 commitRoot(root);1404}1405function commitRoot(root) {1406 commitRootImpl(root, renderPriorityLevel = null);1407 return null;1408 //https://mp.weixin.qq.com/s?__biz=MzU1MDg1NTQ5NQ==&mid=2247484630&idx=1&sn=89a58e3eee0a37a53d2be14215a2276c&chksm=fb9b72feccecfbe8ec62eb2bd2beb85bbf97559d705ddd53d00e0d08d1a5c2391cca722fea3a&scene=21#wechat_redirect1409 //渲æä¼å
级1410 //ImmediatePriorityï¼ä¼å
级为 99ï¼æé«ä¼å
级ï¼ç«å³æ§è¡1411 //bindå½æ°ï¼è¯·çï¼https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Function/bind1412 //è·åè°åº¦ä¼å
级ï¼å¹¶ä¸´æ¶æ¿æ¢å½åçä¼å
级ï¼å»æ§è¡ä¼ è¿æ¥ç callback1413 var renderPriorityLevel = getCurrentPriorityLevel();1414 //è·åè°åº¦ä¼å
级ï¼å¹¶ä¸´æ¶æ¿æ¢å½åçä¼å
级ï¼å»æ§è¡ä¼ è¿æ¥ç callback...
MinReact.js
Source:MinReact.js
...2236 nextEffect = null;2237 return null;2238}2239topLevelFunctionsRegister.push('finishSyncRender');2240function finishSyncRender(root) {2241 logFuncUsage(['finishSyncRender'], { root: root });2242 workInProgressRoot = null;2243 commitRoot(root);2244}2245topLevelFunctionsRegister.push('performSyncWorkOnRoot');2246function performSyncWorkOnRoot(root) {2247 logFuncUsage(['performSyncWorkOnRoot'], root);2248 if (root !== workInProgressRoot) {2249 prepareFreshStack(root);2250 }2251 if (workInProgress !== null) {2252 logFuncUsage(['reconsilation start']);2253 workLoopSync();2254 root.finishedWork = root.current.alternate;2255 logFuncUsage(['reconsilation finished'], performUnitOfWorkCounter);2256 performUnitOfWorkCounter = 0;2257 finishSyncRender(root);2258 }2259 return null;2260}2261topLevelFunctionsRegister.push('ensureRootIsScheduled');2262function ensureRootIsScheduled(root) {2263 logFuncUsage(['ensureRootIsScheduled'], { root: root });2264 scheduleSyncCallback(performSyncWorkOnRoot.bind(null, root));2265}2266topLevelFunctionsRegister.push('flushSyncCallbackQueue');2267function flushSyncCallbackQueue() {2268 logFuncUsage(['flushSyncCallbackQueue']);2269 immediateQueueCallbackNode = null;2270 var i = 0;2271 var _isSync = true;...
OwnReact.js
Source:OwnReact.js
...346 while (currentFiber !== null) {347 currentFiber = performUnitOfWork(currentFiber);348 }349}350function finishSyncRender(root) {351 console.log(['finishSyncRender'], { root: root });352 commitWork(root.child);353 finishedRootFiber = currentRootFiber;354 currentRootFiber = null;355}356function performSyncWorkOnRoot(root) {357 console.log(['performSyncWorkOnRoot'], root);358 if (currentFiber !== null) {359 workLoopSync();360 finishSyncRender(root);361 }362 return null;363}364requestIdleCallback(function () {365 performSyncWorkOnRoot(currentRootFiber);366});367function createFiberSimple(_a) {368 var element = _a.element, tag = _a.tag, _b = _a.parentFiber, parentFiber = _b === void 0 ? null : _b, _c = _a.stateNode, stateNode = _c === void 0 ? null : _c, _d = _a.alternate, alternate = _d === void 0 ? null : _d, _e = _a.effectTag, effectTag = _e === void 0 ? null : _e, _f = _a.memoizedState, memoizedState = _f === void 0 ? null : _f, _g = _a.pendingProps, pendingProps = _g === void 0 ? {} : _g, _h = _a.child, child = _h === void 0 ? null : _h;369 console.log(['createFiberSimple'], { element: element, tag: tag, parentFiber: parentFiber, stateNode: stateNode });370 return {371 alternate: alternate,372 tag: tag,373 stateNode: stateNode,374 effectTag: effectTag,...
sidebar.js
Source:sidebar.js
1const blog = [2 {3 title: "JS",4 collapsable: true,5 children: [6 "js/æåç³»å",7 "js/promise",8 "js/è¿ç®ç¬¦",9 "js/é¢ç¼è¯",10 "js/clone",11 "js/æ§è¡è¿ç¨",12 "js/ç®å¤´å½æ°",13 "js/éå
",14 "js/å
ç¼ç¨",15 "js/åå",16 "js/è¿ä»£å¨",17 "js/EventLoop",18 "js/0.1+0.2",19 ],20 },21 {22 title: "HTTP",23 collapsable: true,24 children: ["http/HTTPåè®®1", "http/HTTPç¼å", "http/DNS", "http/TCP-IP"],25 },26 {27 title: "Node",28 collapsable: true,29 children: [30 "node/èªå¨å è½½å
¨å±è·¯ç±",31 "node/å
¨å±å¼å¸¸å¤ç",32 "node/使ç¨Sequelizeæä½mySql",33 "node/éæjwt",34 "node/SSR",35 "node/BFFæ¶æåæ¢",36 "node/MPAæ¶æåæ¢",37 "node/PM2",38 ],39 },40 {41 title: "å端工ç¨å",42 collapsable: true,43 children: [44 "engineering/æé å±äºèªå·±çèææ¶",45 "engineering/èææ¶çå¯è§åæä½",46 "engineering/Jenkinså®è£
",47 "engineering/sonarç®å使ç¨",48 "engineering/microbundle",49 ],50 },51 {52 title: "æµè¯",53 collapsable: true,54 children: ["test/jest", "test/vue"],55 },56 {57 title: "æ§è½ä¼å",58 collapsable: true,59 children: [60 "optimization/ç½éæ£æµ",61 "optimization/èµæºé»å¡",62 "optimization/渲ææµç¨",63 "optimization/ææ ",64 "optimization/Chromeæ§è½åæ",65 "optimization/èµæºä¼å",66 "optimization/ä¼ è¾å è½½ä¼å",67 "optimization/æ§è½ä¼åå¯ç¤ºå½",68 "optimization/Nodeæ§è½è°ä¼",69 "optimization/MPAæ§è½ä¼åå°è¯",70 ],71 },72 {73 title: "webpack",74 collapsable: true,75 children: [76 "webpack/webpackåºç¡",77 "webpack/代ç åå²",78 "webpack/webpackæå
",79 "webpack/æºç 解æä¸",80 "webpack/æºç 解æäº",81 "webpack/æºç 解æä¸",82 "webpack/æºç 解æå",83 "webpack/æºç 解æäº",84 "webpack/æºç 解æå
",85 "webpack/æºç åææ»ç»",86 "webpack/æåWebpack",87 "webpack/webpackä¼å",88 "webpack/webpack5",89 ],90 },91 {92 title: "TS",93 collapsable: true,94 children: [95 "ts/åºç¡",96 "ts/è¿é¶",97 "ts/ç±»ä¸æ¥å£",98 "ts/è£
饰å¨",99 "ts/è£
饰å¨ç使ç¨",100 ],101 },102 {103 title: "Framework",104 collapsable: true,105 children: [106 "framework/redux",107 "framework/react-redux",108 "framework/react-router",109 "framework/hooks-redux",110 "framework/koa",111 ],112 },113 {114 title: "å端å®å
¨",115 collapsable: true,116 children: ["safety/encryption", "safety/safe"],117 },118 {119 title: "Nginx",120 collapsable: true,121 },122 {123 title: "å¾®å端",124 collapsable: true,125 },126 {127 title: "æè°",128 collapsable: true,129 children: ["talk/book", "talk/2020"],130 },131];132// ç®æ³133const arithmetic = [134 {135 title: "éå½",136 collapsable: true,137 children: ["recursion/éå½"],138 },139 {140 title: "æ ",141 collapsable: true,142 children: ["stack/æ ", "stack/è¿å¶è½¬æ¢", "stack/ææçæ¬å·"],143 },144 {145 title: "éå",146 collapsable: true,147 children: ["queue/éå", "queue/ç»ä¹ "],148 },149 {150 title: "é¾è¡¨",151 collapsable: true,152 children: ["linkedList/é¾è¡¨", "linkedList/å¥è·¯", "linkedList/æåLRU"],153 },154 {155 title: "æ ",156 collapsable: true,157 children: ["tree/æ ", "tree/解é¢å¥è·¯"],158 },159 {160 title: "åå
¸åæ£å表",161 collapsable: true,162 children: ["dictionary/åå
¸åæ£å表"],163 },164 {165 title: "éå",166 collapsable: true,167 children: ["set/éå"],168 },169 {170 title: "æåº",171 collapsable: true,172 children: ["sort/æåºåæç´¢"],173 },174];175const react = [176 {177 title: "åºç¡",178 collapsable: true,179 children: [180 "API",181 "ReactElement",182 "JSX",183 "ReactChildren",184 "react-fiber",185 "requestAnimationFrame",186 "requestIdleCallback",187 ],188 },189 {190 title: "å建æ´æ°",191 collapsable: true,192 children: ["Render", "update", "Fiber", "expirationTime", "updateQueue"],193 },194 {195 title: "ä»»å¡è°åº¦",196 collapsable: true,197 children: [198 "scheduleWork",199 "åç¼åfiberæ ",200 "workLoopSync",201 "beginWork",202 "HostComponent",203 "ClassComponent",204 "completeUnitOfWork",205 "DOMå建",206 "finishSyncRender",207 ],208 },209 {210 title: "åè½",211 collapsable: true,212 children: [213 "åèç¹Diff",214 "å¤èç¹Diff",215 "Context",216 "Ref",217 "memo",218 "setState",219 "åæäºä»¶",220 "SchedulerHostConfig.default",221 ],222 },223 {224 title: "Hooks",225 collapsable: true,226 children: ["useMemo", "useCallback", "useEffect", "useState"],227 },228];229module.exports = {230 "/blog/": blog,231 "/arithmetic/": arithmetic,232 "/react/": react,...
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: `example.png` });7 await page.close();8 await context.close();9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 await context.finishSyncRender();17 await page.screenshot({ path: `example.png` });18 await page.close();19 await context.close();20 await browser.close();21})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { finishSyncRender } = require('playwright/lib/server/syncRender');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 await page.setContent('<div>test</div>');7 await finishSyncRender(page);8 await page.screenshot({ path: 'example.png' });9 await browser.close();10})();11{12 "scripts": {13 },14 "dependencies": {15 }16}
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const internal = page._delegate._page;7 await internal.finishSyncRender();8 await page.screenshot({ path: 'example.png' });9 await browser.close();10})();
Using AI Code Generation
1const playwright = require('playwright');2const { finishSyncRender } = require('playwright/lib/sync/syncBrowserContext');3const { chromium } = playwright;4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await finishSyncRender(page);9 await finishSyncRender(page);10 await browser.close();11})();12const playwright = require('playwright-web');13const { finishSyncRender } = require('playwright-web/lib/sync/syncBrowserContext');14const { chromium } = playwright;15(async () => {16 const browser = await chromium.launch();17 const context = await browser.newContext();18 const page = await context.newPage();19 await finishSyncRender(page);20 await finishSyncRender(page);21 await browser.close();22})();
Using AI Code Generation
1const { finishSyncRender } = require('playwright/lib/server/syncRender');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await finishSyncRender(page);8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();
Using AI Code Generation
1import { Page } from 'playwright';2const page = new Page();3await page.finishSyncRender();4import { Frame } from 'playwright';5const frame = new Frame(page, 'iframe');6await frame.finishSyncRender();7import { chromium } from 'playwright';8(async () => {9 const browser = await chromium.launch();10 const context = await browser.newContext();11 const page = await context.newPage();12 await page.finishSyncRender();13 await browser.close();14})();
Using AI Code Generation
1const { finishSyncRender } = require('playwright/lib/sync/syncRender');2const { finishSyncRender } = require('playwright/lib/sync/syncRender');3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.click('text=Get started');9 await page.waitForSelector('text=Example');10 const result = await finishSyncRender();11 console.log(result);12 await browser.close();13})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({headless: false});4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: 'example.png' });7 await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11 const browser = await chromium.launch({headless: false});12 const context = await browser.newContext();13 const page = await context.newPage();14 await page.screenshot({ path: 'example.png' });15 await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch({headless: false});20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.screenshot({ path: 'example.png' });23 await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27 const browser = await chromium.launch({headless: false});28 const context = await browser.newContext();29 const page = await context.newPage();30 await page.screenshot({ path: 'example.png' });31 await browser.close();32})();
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?
