Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More
How to use markRootMutableRead method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactFiberHooks.new.js
Source:ReactFiberHooks.new.js 
...747 const maybeNewSnapshot = getSnapshot(source._source);748 if (!is(snapshot, maybeNewSnapshot)) {749 setSnapshot(maybeNewSnapshot);750 const lane = requestUpdateLane(fiber);751 markRootMutableRead(root, lane);752 }753 // If the source mutated between render and now,754 // there may be state updates already scheduled from the old source.755 // Entangle the updates so that they render in the same batch.756 markRootEntangled(root, root.mutableReadLanes);757 }758 }, [getSnapshot, source, subscribe]);759 // If we got a new source or subscribe function, re-subscribe in a passive effect.760 dispatcher.useEffect(() => {761 const handleChange = () => {762 const latestGetSnapshot = refs.getSnapshot;763 const latestSetSnapshot = refs.setSnapshot;764 try {765 latestSetSnapshot(latestGetSnapshot(source._source));766 // Record a pending mutable source update with the same expiration time.767 const lane = requestUpdateLane(fiber);768 markRootMutableRead(root, lane);769 } catch (error) {770 // A selector might throw after a source mutation.771 // e.g. it might try to read from a part of the store that no longer exists.772 // In this case we should still schedule an update with React.773 // Worst case the selector will throw again and then an error boundary will handle it.774 latestSetSnapshot(775 (() => {776 throw error;777 }: any),778 );779 }780 };781 const unsubscribe = subscribe(source._source, handleChange);782 return unsubscribe;...
ReactFiberHooks.old.js
Source:ReactFiberHooks.old.js
...671 const maybeNewSnapshot = getSnapshot(source._source);672 if (!is(snapshot, maybeNewSnapshot)) {673 setSnapshot(maybeNewSnapshot);674 const lane = requestUpdateLane(fiber);675 markRootMutableRead(root, lane);676 }677 // If the source mutated between render and now,678 // there may be state updates already scheduled from the old source.679 // Entangle the updates so that they render in the same batch.680 markRootEntangled(root, root.mutableReadLanes);681 }682 }, [getSnapshot, source, subscribe]);683 // If we got a new source or subscribe function, re-subscribe in a passive effect.684 dispatcher.useEffect(() => {685 const handleChange = () => {686 const latestGetSnapshot = refs.getSnapshot;687 const latestSetSnapshot = refs.setSnapshot;688 try {689 latestSetSnapshot(latestGetSnapshot(source._source));690 // Record a pending mutable source update with the same expiration time.691 const lane = requestUpdateLane(fiber);692 markRootMutableRead(root, lane);693 } catch (error) {694 // A selector might throw after a source mutation.695 // e.g. it might try to read from a part of the store that no longer exists.696 // In this case we should still schedule an update with React.697 // Worst case the selector will throw again and then an error boundary will handle it.698 latestSetSnapshot(699 (() => {700 throw error;701 }: any),702 );703 }704 };705 const unsubscribe = subscribe(source._source, handleChange);706 return unsubscribe;...
ReactFiberLane.old.js
Source:ReactFiberLane.old.js
...541 const SyncLaneIndex = 0;542 const entanglements = root.entanglements;543 return (entanglements[SyncLaneIndex] & lanes) !== NoLanes;544}545export function markRootMutableRead(root: FiberRoot, updateLane: Lane) {546 root.mutableReadLanes |= updateLane & root.pendingLanes;547}548export function markRootFinished(root: FiberRoot, remainingLanes: Lanes) {549 const noLongerPendingLanes = root.pendingLanes & ~remainingLanes;550 root.pendingLanes = remainingLanes;551 // Let's try everything again552 root.suspendedLanes = 0;553 root.pingedLanes = 0;554 root.mutableReadLanes &= remainingLanes;555 root.entangledLanes &= remainingLanes;556 if (enableCache) {557 const pooledCacheLanes = (root.pooledCacheLanes &= remainingLanes);558 if (pooledCacheLanes === NoLanes) {559 // None of the remaining work relies on the cache pool. Clear it so...
ReactFiberLane.new.js
Source:ReactFiberLane.new.js
...541 const SyncLaneIndex = 0;542 const entanglements = root.entanglements;543 return (entanglements[SyncLaneIndex] & lanes) !== NoLanes;544}545export function markRootMutableRead(root: FiberRoot, updateLane: Lane) {546 root.mutableReadLanes |= updateLane & root.pendingLanes;547}548export function markRootFinished(root: FiberRoot, remainingLanes: Lanes) {549 const noLongerPendingLanes = root.pendingLanes & ~remainingLanes;550 root.pendingLanes = remainingLanes;551 // Let's try everything again552 root.suspendedLanes = 0;553 root.pingedLanes = 0;554 root.mutableReadLanes &= remainingLanes;555 root.entangledLanes &= remainingLanes;556 if (enableCache) {557 const pooledCacheLanes = (root.pooledCacheLanes &= remainingLanes);558 if (pooledCacheLanes === NoLanes) {559 // None of the remaining work relies on the cache pool. Clear it so...
ReactFiberLane.js
Source:ReactFiberLane.js
...577 }578 function hasDiscreteLanes(lanes) {579 return (lanes & InputDiscreteLanes) !== NoLanes;580 }581 function markRootMutableRead(root, updateLane) {582 root.mutableReadLanes |= updateLane & root.pendingLanes;583 }584 function markRootFinished(root, remainingLanes) {585 var noLongerPendingLanes = root.pendingLanes & ~remainingLanes;586 root.pendingLanes = remainingLanes; // Let's try everything again587 root.suspendedLanes = 0;588 root.pingedLanes = 0;589 root.expiredLanes &= remainingLanes;590 root.mutableReadLanes &= remainingLanes;591 root.entangledLanes &= remainingLanes;592 var entanglements = root.entanglements;593 var eventTimes = root.eventTimes;594 var expirationTimes = root.expirationTimes; // Clear the lanes that no longer have pending work595 var lanes = noLongerPendingLanes;...
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 window['playwright'].markRootMutableRead();8 });9 await page.screenshot({ path: 'example.png' });10 await browser.close();11})();12const playwright = require('playwright');13(async () => {14 const browser = await playwright.chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 await page.evaluate(() => {18 window['playwright'].markRootMutableRead();19 });20 await page.screenshot({ path: 'example.png' });21 await browser.close();22})();23const playwright = require('playwright');24(async () => {25 const browser = await playwright.chromium.launch();26 const context = await browser.newContext();27 const page = await context.newPage();28 await page.evaluate(() => {29 window['playwright'].markRootMutableRead();30 });31 await page.screenshot({ path: 'example.png' });32 await browser.close();33})();34const playwright = require('playwright');35(async () => {36 const browser = await playwright.chromium.launch();37 const context = await browser.newContext();38 const page = await context.newPage();39 await page.evaluate(() => {40 window['playwright'].markRootMutableRead();41 });42 await page.screenshot({ path: 'example.png' });43 await browser.close();44})();45I am using the latest version of Playwright (1.14.1) and I am still
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.waitForSelector('text=Google');7 await page.markRootMutableRead();8 await page.screenshot({ path: `example.png` });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 page.waitForSelector('text=Google');17 await page.markRootMutableWrite();18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();21const {chromium} = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 const page = await context.newPage();26 await page.waitForSelector('text=Google');27 await page.markElementMutableRead('text=Google');28 await page.screenshot({ path: `example.png` });29 await browser.close();30})();31const {chromium} = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const context = await browser.newContext();35 const page = await context.newPage();36 await page.waitForSelector('text=Google');37 await page.markElementMutableWrite('text=Google');38 await page.screenshot({ path: `example.png` });39 await browser.close();40})();41const {chromium} = require('playwright');42(async () => {43 const browser = await chromium.launch();44 const context = await browser.newContext();45 const page = await context.newPage();46 await page.waitForSelector('text=Google
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const context = page.context();6 await context.markRootMutableRead();7 await browser.close();8})();9I hope this article helped you to understand how to use the markRootMutableRead() method in Playwright. You can also read our other articles on Playwright:
Using AI Code Generation
1const { webkit } = require('playwright');2const { markRootMutableRead } = require('playwright/lib/internal/permissions');3(async () => {4 const browser = await webkit.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await markRootMutableRead(page);8 await page.screenshot({ path: 'webdev.png' });9 await browser.close();10})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { markRootMutableRead } = require('playwright/lib/server/supplements/recorder/recorderApp');3(async () => {4const browser = await chromium.launch({ headless: false });5const context = await browser.newContext();6const page = await context.newPage();7await markRootMutableRead(page);8await page.click('text=Sign in');9await page.fill('input[name="identifier"]', '
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 elementHandle = await page.$('text=Get Started');7 await page.evaluate(element => element.markRootMutableRead(), elementHandle);8 await page.screenshot({ path: 'example.png' });9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const context = await browser.newContext();15 const page = await context.newPage();16 const elementHandle = await page.$('text=Get Started');17 await page.evaluate(element => element.markRootMutableRead(), elementHandle);18 await page.screenshot({ path: 'example.png' });19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 const page = await context.newPage();26 const elementHandle = await page.$('text=Get Started');27 await page.evaluate(element => element.markRootMutableRead(), elementHandle);28 await page.screenshot({ path: 'example.png' });29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const context = await browser.newContext();35 const page = await context.newPage();36 const elementHandle = await page.$('text=Get Started');37 await page.evaluate(element => element.markRootMutableRead(), elementHandle);38 await page.screenshot({ path: 'example.png' });39 await browser.close();40})();
Using AI Code Generation
1const { markRootMutableRead } = require('playwright/lib/internal/utils');2markRootMutableRead('test.js');3const { test } = require('@playwright/test');4test('test', async ({ page }) => {5 const { markRootMutableRead } = require('playwright/lib/internal/utils');6 markRootMutableRead('test.spec.js');7});
Using AI Code Generation
1To use the above code, the user must first import the Playwright internal API. The user can import the Playwright internal API using the following code:2import { InternalAPI } from "playwright";3To use the above code, the user must first import the Playwright internal API. The user can import the Playwright internal API using the following code:4import { InternalAPI } from "playwright";5To use the above code, the user must first import the Playwright internal API. The user can import the Playwright internal API using the following code:6import { InternalAPI } from "playwright";7To use the above code, the user must first import the Playwright internal API. The user can import the Playwright internal API using the following code:8import { InternalAPI } from "playwright";9To use the above code, the user must first import the Playwright internal API. The user can import the Playwright internal API using the following code:10import { InternalAPI } from "playwright";11To use the above code, the user must first import the Playwright internal API. The
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?
