Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use updateHostText method in Playwright Internal
Best JavaScript code snippet using playwright-internal
ReactFiberCompleteWork.js
Source:ReactFiberCompleteWork.js 
...449 if (current && workInProgress.stateNode != null) {450 const oldText = current.memoizedProps;451 // If we have an alternate, that means this is an update and we need452 // to schedule a side-effect to do the updates.453 updateHostText(current, workInProgress, oldText, newText);454 } else {455 if (typeof newText !== 'string') {456 invariant(457 workInProgress.stateNode !== null,458 'We must have new props for new mounts. This error is likely ' +459 'caused by a bug in React. Please file an issue.',460 );461 // This can happen when we abort work.462 }463 const rootContainerInstance = getRootHostContainer();464 const currentHostContext = getHostContext();465 let wasHydrated = popHydrationState(workInProgress);466 if (wasHydrated) {467 if (prepareToHydrateHostTextInstance(workInProgress)) {...
scheduleRootCoop.js
Source:scheduleRootCoop.js
...59function beginWork(currentFiber) {60 if(currentFiber.tag === TAG_ROOT) {61 updateHostRoot(currentFiber);62 } else if(currentFiber.tag === TAG_TEXT) {63 updateHostText(currentFiber);64 } else if(currentFiber.tag === TAG_HOST) {65 updateHost(currentFiber);66 }67}68function updateHost(currentFiber) {69 if(!currentFiber.stateNode) {70 currentFiber.stateNode = createDOM(currentFiber);71 }72 const newChildren = currentFiber.props.children;73 reconcileChildren(currentFiber, newChildren);74}75function updateHostText(currentFiber) {76 if(!currentFiber.stateNode) { // å¦ææ¤fiber没æå建DOMèç¹77 currentFiber.stateNode = createDOM(currentFiber);78 }79}80function updateHostRoot(currentFiber) {81 // å
å¤çèªå·±ï¼å¦ææ¯ä¸ä¸ªåçèç¹ï¼å建çå®DOM82 let newChildren = currentFiber.props.children;83 reconcileChildren(currentFiber, newChildren);84}85// åè°åèç¹86function reconcileChildren(currentFiber, newChildren) {87 let newChildIndex = 0; // æ°åèç¹çç´¢å¼88 let prevSiblinng; // ä¸ä¸ä¸ªåfiber89 while(newChildIndex < newChildren.length) {...
schedule.js
Source:schedule.js
...129function beginWork(currentFiber) {130 if (currentFiber.tag === TAG_ROOT) {131 updateHostRoot(currentFiber);132 } else if (currentFiber.tag === TAG_TEXT) {133 updateHostText(currentFiber);134 } else if (currentFiber.tag === TAG_HOST) {135 updateHost(currentFiber);136 }137}138function createDOM(currentFiber) {139 if (currentFiber.tag === TAG_TEXT) {140 return document.createTextNode(currentFiber.props.text);141 } else if (currentFiber.tag === TAG_HOST) {142 let stateNode = document.createElement(currentFiber.type);143 updateDOM(stateNode, {}, currentFiber.props);144 return stateNode;145 }146}147function updateHost(currentFiber) {148 if (!currentFiber.stateNode) {149 currentFiber.stateNode = createDOM(currentFiber);150 }151 const newChildren = currentFiber.children;152 reconcileChildren(currentFiber, newChildren);153}154function updateDOM(stateNode, oldProps, newProps) {155 setProps(stateNode, oldProps, newProps);156}157function updateHostText(currentFiber) {158 if (!currentFiber.stateNode) {159 currentFiber.stateNode = createDOM(currentFiber);160 }161}162function updateHostRoot(currentFiber) {163 let newChildren = currentFiber.props.children;164 reconcileChildren(currentFiber, newChildren);165}166function reconcileChildren(currentFiber, newChildren) {167 // æ°çåèç¹ç´¢å¼168 let newChildIndex = 0;169 // ä¸ä¸ªæ°çåèç¹çfiber170 let prevSibling;171 while (newChildIndex < newChildren.length) {...
index.js
Source:index.js
...117function beginWork(fiber) {118 if(fiber.tag === TAG_ROOT) {119 updateHostRoot(fiber)120 }else if(fiber.tag === TAG_TEXT) {121 updateHostText(fiber)122 }else if(fiber.tag === TAG_HOST) {123 updateHost(fiber)124 }125}126function updateHostText(currentfiber) {127 if(!currentfiber.stateNode) {128 currentfiber.stateNode = createDOM(currentfiber)129 }130}131function updateHost(currentFiber) {132 if(!currentFiber.stateNode) {133 currentFiber.stateNode = createDOM(currentFiber)134 }135 const newChildren = currentFiber.props.children136 reconcileChildren(currentFiber, newChildren)137}138function updateHostRoot(currentFiber) {139 let nextChildren = currentFiber.props.children140 // æ ¹æ®ç¶Fiberåä»çææèædomå¿å æ建åºåfiberæ åªæä¸å±...
ReactFiberBeginWork.js
Source:ReactFiberBeginWork.js
...57 }58 reconcileChildren(current, workInProgress, nextChildren);59 return workInProgress.child;60}61function updateHostText(current, workInProgress) {62}63// çæ child fiber64// è¿å child fiber65function updateHostComponent(current, workInProgress) {66 // DOMèç¹å67 const type = workInProgress.type;68 const prevProps = current ? current.memoizedProps : null;69 const nextProps = workInProgress.pendingProps;70 let nextChildren = nextProps.children;71 const isDirectTextChild = shouldSetTextContent(type, nextProps);72 if (isDirectTextChild) {73 // å½åfiber对åºçDOMèç¹åªæå¯ä¸ä¸ä¸ªææ¬åèç¹ï¼è¿ç§æ
åµæ¯è¾å¸¸è§ï¼æ
é对å
¶åç¬ä¼å74 // æ è®°å
¶nextChildren为空ï¼çå»äºåçæä¸ä¸ªHostText Fiber并éåä¸å»çè¿ç¨75 // 该èç¹çchildçå¤çå¨compleWork finalizeInitialChildrenä¸76 nextChildren = null;77 }78 // çå» ä¹åisDirectTextChild ç°å¨ä¸æ¯æ
åµç diff79 reconcileChildren(80 current,81 workInProgress,82 nextChildren83 )84 return workInProgress.child;85}86// renderé¶æ®µå¼å§å¤çfiberçå
¥å£87// æ»ä½æ¥è¯´è¯¥å½æ°ä¼è®¡ç®æ°stateï¼è¿åchild88/**89 * 90 * @param {*} current 已渲æçfiberèç¹91 * @param {*} workInProgress æ´æ°çfiberèç¹92 * @returns 93 */94export default function beginWork(current, workInProgress) {95 // console.log('beginWork', workInProgress, workInProgress.type);96 if (current) {97 const oldProps = current.memoizedProps;98 const newProps = workInProgress.pendingProps;99 // å¦æ å½å页é¢ç fiberèç¹ç propsä¸çäº å½åéè¦æ´æ°çfiberèç¹ï¼è¡¨ç¤º éè¦æ´æ°100 if (oldProps !== newProps) {101 didReceiveUpdate = true;102 }103 }104 // æ ¹æ® å½åæ£å¨å·¥ä½çfiberèç¹ç tag,æ§è¡ä¸åç æ´æ°è¡ä¸º105 switch (workInProgress.tag) {106 case HostRoot:107 return updateHostRoot(current, workInProgress);108 case FunctionComponent:109 const Component = workInProgress.type;110 return updateFunctionComponent(111 current,112 workInProgress,113 Component,114 workInProgress.pendingProps115 );116 case HostComponent:117 return updateHostComponent(current, workInProgress);118 case HostText:119 return updateHostText(current, workInProgress);120 default:121 break;122 }...
beginwork.js
Source:beginwork.js
...14export function beginWork(currentFiber) {15 if (currentFiber.tag === TAG_ROOT) {16 updateHostRoot(currentFiber);17 } else if (currentFiber.tag === REACT_TEXT) {18 updateHostText(currentFiber);19 } else if (currentFiber.tag === TAG_HOST) {20 updateHostComponent(currentFiber);21 }22}23function updateHostRoot(currentFiber) {24 //å¦ææ¯æ ¹èç¹,ç´æ¥æ¸²æåèç¹25 const newChildren = currentFiber.props.children;26 reconcileChildren(currentFiber, newChildren);27}28function updateHostText(currentFiber) {29 if (!currentFiber.stateNode) {30 currentFiber.stateNode = createDOM(currentFiber); //å
å建çå®çDOMèç¹31 }32}33function updateHostComponent(currentFiber) {34 //å¦ææ¯åçDOMèç¹35 if (!currentFiber.stateNode) {36 currentFiber.stateNode = createDOM(currentFiber); //å
å建çå®çDOMèç¹37 }38 const newChildren = currentFiber.props.children;39 reconcileChildren(currentFiber, newChildren);40}41function reconcileChildren(currentFiber, newChildren) {42 let newChildIndex = 0; //æ°èæDOMæ°ç»ä¸çç´¢å¼...
FiberBeginWork.js
Source:FiberBeginWork.js
...20 return updateHostRoot(current, workInProgress)21 case HostComponent:22 return updateHostComponent(current, workInProgress)23 case HostText:24 return updateHostText(current, workInProgress)25 }26 return null27}28function updateClassComponent(current, workInProgress, Component) {29 const inst = new Component()30 reconcileChildren(current, workInProgress, inst.render())31 return workInProgress.chidl32}33function updateHostText(current, workInProgress) {34 return null;35}36function updateHostComponent(current, workInProgress) {37 const type = workInProgress.type38 const nextProps = workInProgress.pendingProps39 const prevProps = current !== null ? current.memoizedProps : null40 let nextChildren = nextProps.children41 reconcileChildren(current, workInProgress, nextChildren)42 return workInProgress.child43}44function updateHostRoot(current, workInProgress) {45 //console.log('updateHostRoot')46 const updateQueue = workInProgress.updateQueue47 const nextProps = workInProgress.pendingProps...
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(() => {
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.setContent(`<div>foo</div>`);7 await page.updateHostText('foo', 'bar');8 console.log(await page.textContent('div'));9 await browser.close();10})();
Using AI Code Generation
1const { chromium } = require('playwright');2const { updateHostText } = require('playwright/lib/server/dom.js');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('text=Learn');8 await updateHostText(element, 'Learn Playwright');9 await page.screenshot({ path: 'example.png' });10 await browser.close();11})();
Using AI Code Generation
1const { updateHostText } = require('playwright/lib/webkit/webkit');2const { webkit } = require('playwright');3(async () => {4 const browser = await webkit.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('#text');8 await updateHostText(element, 'Hello World');9})();
Using AI Code Generation
1const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');2updateHostText('Hello World');3const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');4updateHostText('Hello World');5const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');6updateHostText('Hello World');7const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');8updateHostText('Hello World');9const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');10updateHostText('Hello World');11const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');12updateHostText('Hello World');13const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');14updateHostText('Hello World');15const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');16updateHostText('Hello World');17const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');18updateHostText('Hello World');19const { updateHostText } = require('playwright-core/lib/server/supplements/recorder/recorderApp');20updateHostText('Hello World');21const { update
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?
