Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use updateHostRoot method in Playwright Internal

Best JavaScript code snippet using playwright-internal

schedule1.js

Source:schedule1.js

...69    }70}71function beginWork(currentFiber) {72    if (currentFiber.tag === TAG_ROOT) {73        updateHostRoot(currentFiber)74    } else if(currentFiber.tag === TAG_TEXT) {75        updateHostText(currentFiber)76    } else if(currentFiber.tag === TAG_HOST) {77        updateHost(currentFiber)78    }79}80function updateHost(currentFiber) {81    if(!currentFiber.stateNode) {82        currentFiber.stateNode = createDOM(currentFiber)83    }84    const newChildren = currentFiber.props.children85    reconcileChildren(currentFiber, newChildren)86}87function updateHostText(currentFiber) {88    if(!currentFiber.stateNode) {89        currentFiber.stateNode = createDOM(currentFiber)90    }91}92function createDOM(currentFiber) {93    //console.log('createDOM',currentFiber)94    if(currentFiber.tag === TAG_TEXT) {95        return document.createTextNode(currentFiber.props.text);96    } else if(currentFiber.tag === TAG_HOST) {97        let stateNode = document.createElement(currentFiber.type)98        updateDOM(stateNode, {}, currentFiber.props)99        return stateNode;100    }101}102function updateDOM(stateNode, oldProps, newProps) {103    setProps(stateNode, oldProps, newProps)104}105function updateHostRoot(currentFiber) {106    //console.log('updateHostRoot',currentFiber)107    let newChildren = currentFiber.props.children;108    reconcileChildren(currentFiber, newChildren)109}110function reconcileChildren(currentFiber, newChildren) {111    //console.log('reconcileChildren', currentFiber)112    //console.log('newChildren',newChildren)113    let newChildIndex = 0114    let oldFiber = currentFiber.alternate && currentFiber.alternate.child115    let prevSibling116    while(newChildIndex < newChildren.length || oldFiber) {117        let newChild = newChildren[newChildIndex]118        let newFiber;119        const sameType = oldFiber && newChild && oldFiber.type === newChild.type...

schedule.js

Source:schedule.js

...127 * @param {*} currentFiber128 */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) {172    let newChild = newChildren[newChildIndex];173    let tag;174    if (newChild.type === ELEMENT_TEXT) {175      // ææ¬èç¹176      tag = TAG_TEXT;...

ReactFiberBeginWork.dev.js

Source:ReactFiberBeginWork.dev.js

...12 */13function beginWork(current, workInProgress) {14  switch (workInProgress.tag) {15    case _ReactWorkTags.HostRoot:16      return updateHostRoot(current, workInProgress);17    case _ReactWorkTags.HostComponent:18      return updateHostComponent(current, workInProgress);19    default:20      break;21  }22}23/**24 * æ´æ°æèè¯´æè½½æ ¹èç¹25 * ä¾æ®ä»ä¹æå»ºfiberæ ï¼ èæDOM26 * @param {*} current èfiber27 * @param {*} workInProgress æå»ºä¸çæ°fiber28 */29function updateHostRoot(current, workInProgress) {30  var updateQueue = workInProgress.updateQueue; //è·åè¦æ¸²æçèæDOM <div key="title" id="title">title</div>31  var nextChildren = updateQueue.shared.pending.payload.element; //element 32  //å¤çåèç¹ï¼æ ¹æ®èfiberåæ°çèæDOMè¿è¡å¯¹æ¯ï¼åå»ºæ°çfiberæ 33  reconcileChildren(current, workInProgress, nextChildren); //è¿åç¬¬ä¸ä¸ªåfiber34  return workInProgress.child;35}36function updateHostComponent(current, workInProgress) {37  //è·å æ¤åçç»ä»¶çç±»å span p38  var type = workInProgress.type; //æ°å±æ§39  var nextProps = workInProgress.pendingProps; //props.children40  var nextChildren = nextProps.children; //å¨reactå¯¹äºå¦æä¸ä¸ªåçç»ä»¶ï¼å®åªæä¸ä¸ªå¿åï¼å¹¶ä¸è¿ä¸ªå¿åæ¯ä¸ä¸ªåç¬¦ä¸²çè¯ï¼æä¸ä¸ªä¼å41  //ä¸ä¼å¯¹æ¤å¿ååå»ºä¸ä¸ªfiberèç¹ï¼èæ¯æå®å½æä¸ä¸ªå±æ§æ¥å¤ç42  var isDirectTextChild = (0, _ReactDOMHostConfig.shouldSetTextContent)(type, nextProps);43  if (isDirectTextChild) {...

ReactFiberBeginWork.js

Source:ReactFiberBeginWork.js

...6 */7export function beginWork(current, workInProgress) {8    switch (workInProgress.tag) {9        case HostRoot:10            return updateHostRoot(current, workInProgress);11        case HostComponent:12            return updateHostComponent(current, workInProgress);13        default:14            break;15    }16}17/**18 * æ´æ°æèè¯´æè½½æ ¹èç¹19 * ä¾æ®ä»ä¹æå»ºfiberæ ï¼ èæDOM20 * @param {*} current èfiber21 * @param {*} workInProgress æå»ºä¸çæ°fiber22 */23function updateHostRoot(current, workInProgress) {24    const updateQueue = workInProgress.updateQueue;25    //è·åè¦æ¸²æçèæDOM <div key="title" id="title">title</div>26    const nextChildren = updateQueue.shared.pending.payload.element;//element 27    //å¤çåèç¹ï¼æ ¹æ®èfiberåæ°çèæDOMè¿è¡å¯¹æ¯ï¼åå»ºæ°çfiberæ 28    reconcileChildren(current, workInProgress, nextChildren);29    //è¿åç¬¬ä¸ä¸ªåfiber30    return workInProgress.child;31}32function updateHostComponent(current, workInProgress) {33    //è·å æ¤åçç»ä»¶çç±»å span p34    const type = workInProgress.type;35    //æ°å±æ§36    const nextProps = workInProgress.pendingProps;//props.children37    let nextChildren = nextProps.children;...

beginwork.js

Source:beginwork.js

...12 * 2.åå»ºå fiber13 */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); //ååå»ºçå®çDOMèç¹31  }32}33function updateHostComponent(currentFiber) {34  //å¦ææ¯åçDOMèç¹35  if (!currentFiber.stateNode) {36    currentFiber.stateNode = createDOM(currentFiber); //ååå»ºçå®çDOMèç¹37  }...

FiberBeginWork.js

Source:FiberBeginWork.js

...16      return null17    case ClassComponent:18      return updateClassComponent(current, workInProgress, workInProgress.type)19    case HostRoot: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.pendingProps48  const prevState = workInProgress.memoizedState49  const prevChildren = prevState !== null ? prevState.element : null50  cloneUpdateQueue(current, workInProgress)51  processUpdateQueue(workInProgress, nextProps, null)52  const nextState = workInProgress.memoizedState53  const nextChildren = nextState.element54  reconcileChildren(current, workInProgress, nextChildren)55  return workInProgress.child56}57export function reconcileChildren(58  current,...

scheduler.js

Source:scheduler.js

...53function beginWork (workInProgress) {54  const { tag } = workInProgress;55  switch (tag) {56    case HOST_ROOT: {57      return updateHostRoot(workInProgress);58    }59    case FUNCTION_COMPONENT: {60      return updateFunctionComponent(workInProgress);61    }62    case CLASS_COMPONENT: {63      return updateClassComponent(workInProgress);64    }65    case HOST_COMPONENT: {66      return updateHostComponent(workInProgress);67    }68  }...

updateHostRoot.js

Source:updateHostRoot.js

1import { isNull } from '../../shared/is';2import processUpdateQueue from './processUpdateQueue';3function updateHostRoot (current, workInProgress) {4  pushHostRootContext(workInProgress);5  const queue = workInProgress.queue;6  const { 7    pendingProps: nextProps,8    memoizedState: prevState,9  } = workInProgress;10  const prevChildren = isNull(prevState) ? 11    null : prevState.element;12  processUpdateQueue(13    workInProgress,14    queue,15    nextProps,16    null17  );18  const nextState = workInProgress.memoizedState;19  const nextChildren = nextState.element;20  if (nextChildren === prev) {21  }22}...

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.screenshot({ path: 'example.png' });7  await browser.close();8})();

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  await page.evaluate(() => {7    const { updateHostRoot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');8    updateHostRoot({9    });10  });11  await browser.close();12})();13const playwright = require('playwright');14(async () => {15  const browser = await playwright.chromium.launch({headless: false});16  const context = await browser.newContext();17  const page = await context.newPage();18  await browser.close();19})();

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 newPage.waitForLoadState('networkidle');7  await newPage.close();8  await browser.close();9})();

Using AI Code Generation

1const { chromium } = require('playwright');2const { updateHostRoot } = require('playwright/lib/server/browserContext');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  await updateHostRoot(context, 'localhost');7  const page = await context.newPage();8  await browser.close();9})();

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch({ headless: false });4  const page = await browser.newPage();5  await page.evaluate(() => {6    const { updateHostRoot } = window._playwrightInternal;7    updateHostRoot('localhost', 8080);8  });9  await browser.close();10})();11const playwright = require('playwright');12(async () => {13  const browser = await playwright.chromium.launch({ headless: false });14  const page = await browser.newPage();15  await page.evaluate(() => {16    const { updateHostRoot } = window._playwrightInternal;17    updateHostRoot('localhost', 8080);18  });19  await browser.close();20})();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  await page.pause();6  await browser.close();7})();

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const page = await browser.newPage();5  const frame = page.mainFrame();6  const context = frame._context;7  const host = context._delegate._host;8  await page.screenshot({ path: 'google.png' });9  await browser.close();10})();

Using AI Code Generation

1const { updateHostRoot } = require(‘playwright/lib/server/browserType’);2await updateHostRoot(‘chromium’, ‘/path/to/chromium’);3const { updateHostRoot } = require(‘playwright’);4await updateHostRoot(‘chromium’, ‘/path/to/chromium’);5const { updateHostRoot } = require(‘playwright-cli’);6await updateHostRoot(‘chromium’, ‘/path/to/chromium’);7const { updateHostRoot } = require(‘playwright-test’);8await updateHostRoot(‘chromium’, ‘/path/to/chromium’);9const { updateHostRoot } = require(‘playwright-runner’);10await updateHostRoot(‘chromium’, ‘/path/to/chromium’);11const { updateHostRoot } = require(‘playwright-inspector’);12await updateHostRoot(‘chromium’, ‘/path/to/chromium’);13const { updateHostRoot } = require(‘playwright-vscode’);14await updateHostRoot(‘chromium’, ‘/path/to/chromium’);15const { updateHostRoot } = require(‘playwright-devtools’);16await updateHostRoot(‘chromium’, ‘/path/to/chromium’);17const { updateHostRoot } = require(‘playwright-inspector’);18await updateHostRoot(‘chromium’, ‘/path/to/chromium’);19const { updateHostRoot } = require(‘playwright-inspector’);20await updateHostRoot(‘chromium’, ‘/path/to/chromium’);21const { updateHostRoot } = require(‘playwright-inspector’);22await updateHostRoot(‘chromium’, ‘/path/to/chromium’);

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.