Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use markUpdateLaneFromFiberToRoot method in Playwright Internal
Best JavaScript code snippet using playwright-internal
reconcile.js
Source:reconcile.js 
...20export const Deletion = /* */ 0b00000000001000;21let workInProgress = null; // å½åå·²å建çworkInProgress fiber22let workInProgressRoot = null;23export function scheduleUpdateOnFiber(fiber) {24 const root = markUpdateLaneFromFiberToRoot(fiber);25 performWorkOnRoot(root);26}27function performWorkOnRoot(root) {28 if (root !== workInProgressRoot) {29 root.finishedWork = null;30 workInProgressRoot = root;31 workInProgress = createWorkInProgress(root.current, null);32 }33 workLoop();34 commitRoot(root);35}36// ä»fiberå°root37function markUpdateLaneFromFiberToRoot(fiber) {38 // Walk the parent path to the root and update the child expiration time.39 let node = fiber.return;40 let root = null;41 if (node === null && fiber.tag === HostRoot) {42 // æ¯æ ¹èç¹äº43 root = fiber.stateNode;44 } else {45 // åä¸æ¾å°FiberRootNode46 while (node !== null) {47 if (node.return === null && node.tag === HostRoot) {48 root = node.stateNode;49 break;50 }51 node = node.return;...
ReactFiberWorkLoop.dev.js
Source:ReactFiberWorkLoop.dev.js
...17 * 18 * @param {*} fiber 19 */20function scheduleUpdateOnFiber(fiber) {21 var fiberRoot = markUpdateLaneFromFiberToRoot(fiber);22 performSyncWorkOnRoot(fiberRoot);23}24/**25 * æ ¹æ®èçfiberæ åæ´æ°å¯¹è±¡å建æ°çfiberæ ï¼ç¶åæ ¹æ®æ°çfiberæ æ´æ°çå®DOM26 * @param {*} fiberRoot 27 */28function performSyncWorkOnRoot(fiberRoot) {29 workInProgressRoot = fiberRoot;30 workInProgress = (0, _ReactFiber.createWorkInProgress)(workInProgressRoot.current);31 workLoopSync(); //æ§è¡å·¥ä½å¾ªç¯ï¼æ建å¯ä½ç¨é¾32 commitRoot(); //æ交ï¼ä¿®æ¹DOM33}34function commitRoot() {35 //æåæ°æ建çfiberæ 36 var finishedWork = workInProgressRoot.current.alternate;37 workInProgressRoot.finishedWork = finishedWork;38 commitMutationEffects(workInProgressRoot);39}40function getFlags(flags) {41 switch (flags) {42 case _ReactFiberFlags.Placement:43 return 'æå
¥';44 default:45 break;46 }47}48function commitMutationEffects(root) {49 var finishedWork = root.finishedWork;50 var nextEffect = finishedWork.firstEffect;51 var effectsList = '';52 while (nextEffect) {53 effectsList += "(".concat(getFlags(nextEffect.flags), "#").concat(nextEffect.type, "#").concat(nextEffect.key, ")");54 var flags = nextEffect.flags;55 if (flags === _ReactFiberFlags.Placement) {56 commitPlacement(nextEffect);57 }58 nextEffect = nextEffect.nextEffect;59 }60 effectsList += 'null'; //æ¤å¤ä¼æå°ä»ä¹ä¸è¥¿ï¼effectlisté¿ä»ä¹æ ·å61 console.log(effectsList);62 root.current = finishedWork;63}64function getParentStateNode(fiber) {65 var parent = fiber["return"];66 do {67 if (parent.tag === _ReactWorkTags.HostComponent) {68 return parent.stateNode;69 } else if (parent.tag === _ReactWorkTags.HostRoot) {70 return parent.stateNode.containerInfo;71 } else {72 //å½æ°ç»ä»¶æç±»ç»ä»¶73 parent = (_readOnlyError("parent"), parent["return"]);74 }75 } while (parent);76}77function commitPlacement(nextEffect) {78 var stateNode = nextEffect.stateNode;79 var parentStateNode = getParentStateNode(nextEffect);80 parentStateNode.appendChild(stateNode);81}82/**83 * å¼å§èªä¸èä¸æ建æ°çfiberæ 84 */85function workLoopSync() {86 while (workInProgress) {87 performUnitOfWork(workInProgress);88 }89}90/**91 * æ§è¡å个工ä½åå
92 * workInProgress è¦å¤ççfiber93 */94function performUnitOfWork(unitOfWork) {95 //è·åå½åæ£å¨æ建çfiberçæ¿èº«96 var current = unitOfWork.alternate; //å¼å§æ建å½åfiberçåfiberé¾è¡¨97 //å®ä¼è¿åä¸ä¸ä¸ªè¦å¤ççfiber,ä¸è¬é½æ¯unitOfWorkç大å¿å98 //div#titleè¿ä¸ªfiber å®çè¿åå¼æ¯ä¸ä¸ªnull99 var next = (0, _ReactFiberBeginWork.beginWork)(current, unitOfWork); //å¨beginWorkåï¼éè¦ææ°å±æ§åæ¥å°èå±æ§ä¸100 //div id =1 memoizedProps={id:2} pendingProps ={id:2}101 unitOfWork.memoizedProps = unitOfWork.pendingProps; //å½åçfiberè¿æåèç¹102 if (next) {103 workInProgress = next;104 } else {105 //å¦æå½åfiber没æåfiber,é£ä¹å½åçfiberå°±ç®å®æ106 completeUnitOfWork(unitOfWork);107 }108}109/**110 * å®æä¸ä¸ªfiberèç¹111 * @param {*} unitOfWork 112 */113function completeUnitOfWork(unitOfWork) {114 var completedWork = unitOfWork;115 do {116 var current = completedWork.alternate;117 var returnFiber = completedWork["return"]; //å®ææ¤fiber对åºççå®DOMèç¹å建åå±æ§èµå¼çåè½118 (0, _ReactFiberCompleteWork.completeWork)(current, completedWork); //æ¶éå½åfiberçå¯ä½ç¨å°ç¶fiberä¸119 collectEffectList(returnFiber, completedWork); //å½èªå·±è¿ä¸ªfiberå®æåï¼å¦ä½å¯»æ¾ä¸ä¸ä¸ªè¦æ建çfiber120 var siblingFiber = completedWork.sibling;121 if (siblingFiber) {122 //å¦ææå¼å¼ï¼å°±å¼å§æ建å¼å¼ï¼å¤çå¼å¼ beginWork123 workInProgress = siblingFiber;124 return;125 } //å¦æ没æå¼å¼ï¼è¯´æè¿æ¯æåä¸ä¸ªå¿åäºï¼ç¶äº²ä¹å¯ä»¥å®æäº126 //è¿ä¸ªå¾ªç¯å°æåçæ¶å returnFiberå°±æ¯null,ä¹å°±æ¯æ ¹fiberçç¶äº² 127 completedWork = returnFiber; //ä¸åçä¿®æ¹å½åæ£å¨å¤ççfiberæå workInProgress=nullå°±å¯ä»¥éåºworkLoopäº128 workInProgress = completedWork;129 } while (workInProgress);130}131function collectEffectList(returnFiber, completedWork) {132 if (returnFiber) {133 //å¦æç¶äº² 没æeffectList,é£å°±è®©ç¶äº² çfirstEffecté¾è¡¨å¤´æåèªå·±ç头134 if (!returnFiber.firstEffect) {135 returnFiber.firstEffect = completedWork.firstEffect;136 } //å¦æèªå·±æé¾è¡¨å°¾137 if (completedWork.lastEffect) {138 //并ä¸ç¶äº²ä¹æé¾è¡¨å°¾139 if (returnFiber.lastEffect) {140 //æèªå·±èº«ä¸çeffectlistææ¥å°ç¶äº²çé¾è¡¨å°¾é¨141 returnFiber.lastEffect.nextEffect = completedWork.firstEffect;142 }143 returnFiber.lastEffect = completedWork.lastEffect;144 }145 var flags = completedWork.flags; //å¦ææ¤å®æçfiberæå¯ä½¿ç¨ï¼é£ä¹å°±éè¦æ·»å å°effectListé146 if (flags) {147 //å¦æç¶fiberælastEffectçè¯ï¼è¯´æç¶fiberå·²ç»æeffecté¾è¡¨148 if (returnFiber.lastEffect) {149 returnFiber.lastEffect.nextEffect = completedWork;150 } else {151 returnFiber.firstEffect = completedWork;152 }153 returnFiber.lastEffect = completedWork;154 }155 }156}157function markUpdateLaneFromFiberToRoot(sourceFiber) {158 var node = sourceFiber;159 var parent = node["return"];160 while (parent) {161 node = parent;162 parent = parent["return"];163 } //nodeå
¶å®è¯å®fiberæ çæ ¹èç¹ï¼å
¶å®å°±æ¯ hostRootFiber .stateNode div#root164 return node.stateNode;...
ReactWorkLoop.js
Source:ReactWorkLoop.js
...8//å½åæ£å¨æ´æ°fiberèç¹9let workInProgress = null;1011export function scheduleUpdateOnFiber(fiber) {12 const fiberRoot = markUpdateLaneFromFiberToRoot(fiber);13 performSyncWorkOnRoot(fiberRoot);14}1516/**17 * æ¾å°æ顶级çfiberèç¹ï¼æ顶级çfiberèç¹æ²¡æparentæé18 */19function markUpdateLaneFromFiberToRoot(sourceFiber) {20 let node = sourceFiber;21 let parent = node.return;22 while (parent) {23 node = parent;24 parent = node.parent;25 }26 return node.stateNode;27}2829function performSyncWorkOnRoot(fiberRoot) {30 workInProgressRoot = fiberRoot;31 workInProgress = createWorkInProgress(workInProgressRoot.current);3233 workLoopSync(); // æ§è¡å·¥ä½å¾ªç¯
...
scheduleUpdateOnFiber.js
Source:scheduleUpdateOnFiber.js
...16function scheduleUpdateOnFiber(fiber, lane, eventTime) {17 //checkForNestedUpdates();18 //warnAboutRenderPhaseUpdatesInDEV(fiber);19 // åä¸æ¾å°è·èç¹ root20 var root = markUpdateLaneFromFiberToRoot(fiber, lane);21 ensureRootIsScheduled(root, eventTime);22 // å¦æå½åçæ§è¡ä¸ä¸æç¯å¢æ¯NoContextï¼éæ¹éï¼å¹¶ä¸Modeä¸æ¯å¹¶åçè¯23 if (executionContext === NoContext && (fiber.mode & ConcurrentMode) === NoMode) {24 flushSyncCallbackQueue();25 }26}27// ä»å½åfiberèç¹ï¼éå½æ¾å°root28function markUpdateLaneFromFiberToRoot(fiber) {29 let parent = fiber.return;30 while(parent) {31 fiber = parent;32 parent = fiber.return;33 if (fiber.tag == HostRoot) {34 return parent;35 }36 }37 return null;38}39/**40 * 41 * @param {*} root 42 * @param {*} eventTime ...
legacy.js
Source:legacy.js
...109}110//****************** å¼å§è°åº¦ scheduleUpdateOnFiber *******************/111function scheduleUpdateOnFiber(fiber, lane, eventTime) {112 // æ è®°ä»Fiberå°æ ¹çæ´æ°éé113 const root = markUpdateLaneFromFiberToRoot(fiber, lane);114 // æ è®°æ ¹æä¸ä¸ªæèµ·çæ´æ°115 markRootUpdated(root, lane, eventTime);116 // åæ¥Lane legacyæ´æ°æ¨¡å¼117 if(lane === SyncLane) {118 // renderé¶æ®µ èµ·ç¹119 performSyncWorkOnRoot(root)120 }else {121 // concurrent Mode 122 ensureRootIsScheduled(root, eventTime);123 }...
issues.js
Source:issues.js
...60 "Distribute source maps for easier debugging in Chrome's Performance tab",61 status: 'closed'62 },63 {64 title: 'An improvement on fast return in markUpdateLaneFromFiberToRoot()',65 status: 'closed'66 },67 {68 title:69 'React Developer Tools triggers console error in Firefox for protected URLs',70 status: 'closed'71 },72 {73 title: 'Bug: Should have a queue',74 status: 'closed'75 },76 {77 title: 'feature: Move react-is to react/is',78 status: 'closed'...
状态更新调用路径.js
Source:状态更新调用路径.js
1/*2 *3触åç¶ææ´æ°ï¼æ ¹æ®åºæ¯è°ç¨ä¸åæ¹æ³ï¼4 1.ReactDOM.render5 2.this.setState6 3.this.forceUpdate7 4.useState8 5.useReducer9 |10 |11 v12å建Update对象ï¼'updateContainer'ï¼13 |14 |15 v16ä»fiberå°rootï¼`markUpdateLaneFromFiberToRoot`ï¼17 ï¼ä»è§¦åç¶ææ´æ°çfiberä¸ç´åä¸éåå°rootFiberï¼å¹¶è¿årootFiberãï¼18 |19 |20 v21è°åº¦æ´æ°ï¼`ensureRootIsScheduled`ï¼ åæ¥/å¼æ¥22 以ä¸æ¯ensureRootIsScheduledææ ¸å¿çä¸æ®µä»£ç ï¼23 if (newCallbackPriority === SyncLanePriority) {24 // ä»»å¡å·²ç»è¿æï¼éè¦åæ¥æ§è¡renderé¶æ®µ25 newCallbackNode = scheduleSyncCallback(26 performSyncWorkOnRoot.bind(null, root)27 );28 } else {29 // æ ¹æ®ä»»å¡ä¼å
级å¼æ¥æ§è¡renderé¶æ®µ30 var schedulerPriorityLevel = lanePriorityToSchedulerPriority(31 newCallbackPriority32 );33 newCallbackNode = scheduleCallback(34 schedulerPriorityLevel,35 performConcurrentWorkOnRoot.bind(null, root)36 );37 }38 |39 |40 v41renderé¶æ®µï¼`performSyncWorkOnRoot` æ `performConcurrentWorkOnRoot`ï¼42 |43 |44 v45commité¶æ®µï¼`commitRoot`ï¼...
ReactFiberWorkLoop.js
Source:ReactFiberWorkLoop.js
...8 * 9 * @param {*} fiber 10 */11export function scheduleUpdateOnFiber(fiber) {12 const fiberRoot = markUpdateLaneFromFiberToRoot(fiber);13 performSyncWorkOnRoot(fiberRoot);14}15/**16 * æ ¹æ®èçfiberæ åæ´æ°å¯¹è±¡å建æ°çfiberæ ï¼ç¶åæ ¹æ®æ°çfiberæ æ´æ°çå®DOM17 * @param {*} fiberRoot 18 */19function performSyncWorkOnRoot(fiberRoot) {20 workInProgressRoot = fiberRoot;21 workInProgress = createWorkInProgress(workInProgressRoot.current);22 console.log(workInProgress);23}24function markUpdateLaneFromFiberToRoot(sourceFiber) {25 let node = sourceFiber;26 let parent = node.return;27 while (parent) {28 node = parent;29 parent = parent.parent;30 }31 //nodeå
¶å®è¯å®fiberæ çæ ¹èç¹ï¼å
¶å®å°±æ¯ hostRootFiber .stateNode div#root32 return node.stateNode;...
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 const internalAPI = page._delegate;7 const markUpdateLaneFromFiberToRoot = internalAPI.markUpdateLaneFromFiberToRoot;8 const fiber = await internalAPI.getFiberForElementHandle(page.mainFrame().querySelector('a'));9 markUpdateLaneFromFiberToRoot(fiber, 1);10 await page.waitForTimeout(10000);11 await browser.close();12})();
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 const internal = require('playwright/lib/server/playwright.js').internal;7 const root = internal.getRoot(page);8 const fiber = internal.getFiber(page);9 internal.markUpdateLaneFromFiberToRoot(fiber, 1);10 await page.screenshot({ path: `example.png` });11 await browser.close();12})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { markUpdateLaneFromFiberToRoot } = require('playwright/lib/server/supplements/recorder/recorderSupplement');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('text="I agree"');8 await page.click('input[aria-label="Search"]');9 await page.fill('input[aria-label="Search"]', 'playwright');10 await page.keyboard.press('Enter');11 await page.click('text="Playwright"');12 await page.click('text="Docs"');13 await page.click('text="API"');14 await page.click('text="Page"');15 await page.click('text="page.click"');16 markUpdateLaneFromFiberToRoot(page, 0);17 await page.click('text="Examples"');18 await page.click('text
Using AI Code Generation
1const { chromium } = require('playwright');2const { markUpdateLaneFromFiberToRoot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('input[name="q"]');8 await page.fill('input[name="q"]', 'Hello World');9 await page.press('input[name="q"]', 'Enter');10 const fiberId = await page.evaluate(() => {11 const input = document.querySelector('input[name="q"]');12 return input._reactRootContainer._internalRoot.current.fiberID;13 });14 await markUpdateLaneFromFiberToRoot(page, fiberId);15 await page.screenshot({ path: 'example.png' });16 await browser.close();17})();18const { updateLane } = require('playwright/lib/server/supplements/recorder/recorderSupplementImpl.js');19module.exports.markUpdateLaneFromFiberToRoot = async function (page, fiberId) {20 return await updateLane(page, fiberId, 1);21};22const { updateLane } = require('playwright/lib/server/supplements/recorder/recorderSupplementImpl.js');23module.exports.updateLane = async function (page, fiberId, lane) {24 return await page.evaluate((fiberId, lane) => {25 const fiber = window.__REACT_DEVTOOLS_GLOBAL_HOOK__._fiberRoots[0].current.child;26 if (!fiber) {27 return 'No Fiber Found';28 }29 if (fiberId === fiber.fiberID) {30 fiber.lanes |= lane;31 return 'Lane updated';32 }33 while (fiber.sibling) {34 fiber = fiber.sibling;35 if (fiberId === fiber.fiberID) {36 fiber.lanes |= lane;37 return 'Lane updated';38 }39 }40 return 'No Fiber Found';41 }, fiberId, lane);42};
Using AI Code Generation
1const playwright = require('playwright');2const { markUpdateLaneFromFiberToRoot } = require('playwright/lib/server/webkit/webkit.js');3(async () => {4 const browser = await playwright.webkit.launch();5 const page = await browser.newPage();6 const element = await page.$('input.searchInput');7 await markUpdateLaneFromFiberToRoot(element, 1);8 await page.screenshot({ path: 'wikipedia.png' });9 await browser.close();10})();11[Apache 2.0](LICENSE)
Using AI Code Generation
1const { markUpdateLaneFromFiberToRoot } = require('playwright');2const { chromium } = require('playwright');3const browser = await chromium.launch();4const page = await browser.newPage();5await page.screenshot({ path: `google.png` });6await browser.close();7markUpdateLaneFromFiberToRoot({ lane: 1, fiberID: 1 });8Your name to display (optional):9Your name to display (optional):10const { chromium } = require('playwright');11const { markUpdateLaneFromFiberToRoot } = require('playwright/lib/server/trace/recorder/playwright');12const browser = await chromium.launch();13const page = await browser.newPage();14await page.screenshot({ path: `google.png` });15await browser.close();16markUpdateLaneFromFiberToRoot({ lane: 1, fiberID: 1 });17Your name to display (optional):18const { chromium } = require('playwright');19const { markUpdateLaneFromFiberToRoot } = require('playwright/lib/server/trace/recorder/playwright');20const browser = await chromium.launch();21const page = await browser.newPage();22await page.screenshot({ path: `google.png` });23await browser.close();24markUpdateLaneFromFiberToRoot({ lane: 1, fiberID: 1 });25Your name to display (optional):26const { chromium } = require('playwright');27const { markUpdateLaneFromFiberToRoot } = require('playwright/lib/server/trace/recorder/playwright');
Using AI Code Generation
1const { markUpdateLaneFromFiberToRoot } = require('@playwright/test/lib/server/trace/recorder/playwrightInternal.js');2const { playwright } = require('@playwright/test');3const { chromium } = require('playwright');4const { Page } = require('playwright/lib/server/page');5const { Frame } = require('playwright/lib/server/frame');6const { ElementHandle } = require('playwright/lib/server/dom');7const browser = await chromium.launch();8const context = await browser.newContext();9const page = await context.newPage();10const element = await page.$('text=Get started');11const fiber = await element.evaluateHandle(element => element._fiber);12const rootFiber = await page.evaluateHandle(page => page._mainFrame._document._fiber);13await markUpdateLaneFromFiberToRoot(fiber, rootFiber);14const updateLane = await page.evaluate(page => page._mainFrame._document._updateLane);15console.log(updateLane);16await browser.close();
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?
