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

How to use createFiberRoot method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiberReconciler.js

Source:ReactFiberReconciler.js

...15      scheduleWork = _ReactFiberScheduler.scheduleWork,16      performWithPriority = _ReactFiberScheduler.performWithPriority;17  return {18    mountContainer: function (element, containerInfo) {19      var root = createFiberRoot(containerInfo);20      var container = root.current;21      // TODO: Use pending work/state instead of props.22      // TODO: This should not override the pendingWorkPriority if there is23      // higher priority work in the subtree.24      container.pendingProps = element;25      scheduleWork(root);26      // It may seem strange that we don't return the root here, but that will27      // allow us to have containers that are in the middle of the tree instead28      // of being roots.29      return container;30    },31    updateContainer: function (element, container) {32      // TODO: If this is a nested container, this won't be the root.33      var root = container.stateNode;...

ReactFiberRoot.dev.js

Source:ReactFiberRoot.dev.js

...4});5exports.createFiberRoot = createFiberRoot;6var _ReactFiber = require("./ReactFiber");7var _ReactUpdateQueue = require("./ReactUpdateQueue");8function createFiberRoot(containerInfo) {9  var fiberRoot = {10    containerInfo: containerInfo11  }; //fiberRootæçå°±æ¯å®¹å¨å¯¹è±¡containerInfo div#root12  //åå»ºfiberæ çæ ¹èç¹ 13  var hostRootFiber = (0, _ReactFiber.createHostRootFiber)(); //å½åçfiberRootçcurentæåè¿ä¸ªæ ¹fiber14  //currentå½åçææï¼å®æçå½åè·æä»¬é¡µé¢ä¸çå®DOMç¸åçfiberæ 15  fiberRoot.current = hostRootFiber; //è®©æ¤æ ¹fiberççå®DOMèç¹æåfiberRoot  div#root   stateNodeå°±æ¯æççå®DOMçææ16  hostRootFiber.stateNode = fiberRoot;17  (0, _ReactUpdateQueue.initializeUpdateQueue)(hostRootFiber);18  return fiberRoot;...

ReactRoot.js

Source:ReactRoot.js

...19  return root;20}21export default class ReactRoot {22  constructor (container) {23    this._internalRoot = createFiberRoot(container);24  }25  render (element, parentComponent, callback) {26    updateContainer(27      element, 28      this._internalRoot, 29      parentComponent, 30      callback31    );32  }...

react-dom.js

Source:react-dom.js

1import { createFiberRoot } from './ReactFiberRoot';2import { updateContainer } from './ReactFiberReconciler';3function render(element, container) {4    let fiberRoot = createFiberRoot(container);5    updateContainer(element, fiberRoot);6}7const ReactDOM = {8    render9}...

Using AI Code Generation

1const { chromium } = require('playwright');2const { createFiberRoot } = require('playwright/lib/server/fiber');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  const fiber = createFiberRoot();8  fiber.run(async () => {9    await page.screenshot({ path: 'example.png' });10  });11  await browser.close();12})();

Using AI Code Generation

1const { createFiberRoot } = require('@playwright/test/lib/server/fiber');2const { Page } = require('@playwright/test/lib/server/page');3const { Frame } = require('@playwright/test/lib/server/frame');4const { Playwright } = require('@playwright/test/lib/server/playwright');5const playwright = new Playwright();6const browser = await playwright.chromium.launch();7const page = await browser.newPage();8const fiberRoot = createFiberRoot(page);9const fiberPage = new Page(fiberRoot, page, browser);10const fiberFrame = new Frame(fiberPage, page.mainFrame());11const { createFiberRoot } = require('@playwright/test/lib/server/fiber');12const { Page } = require('@playwright/test/lib/server/page');13const { Frame } = require('@playwright/test/lib/server/frame');14const { Playwright } = require('@playwright/test/lib/server/playwright');15const playwright = new Playwright();16const browser = await playwright.chromium.launch();17const page = await browser.newPage();18const fiberRoot = createFiberRoot(page);19const fiberPage = new Page(fiberRoot, page, browser);20const fiberFrame = new Frame(fiberPage, page.mainFrame());21const { createFiberRoot } = require('@playwright/test/lib/server/fiber');22const { Page } = require('@playwright/test/lib/server/page');23const { Frame } = require('@playwright/test/lib/server/frame');24const { Playwright } = require('@playwright/test/lib/server/playwright');25const playwright = new Playwright();26const browser = await playwright.chromium.launch();27const page = await browser.newPage();28const fiberRoot = createFiberRoot(page);29const fiberPage = new Page(fiberRoot, page, browser);30const fiberFrame = new Frame(fiberPage, page.mainFrame());31const { createFiberRoot } = require('@playwright/test/lib/server/fiber');32const { Page } = require('@playwright/test/lib/server/page');33const { Frame } = require('@playwright/test/lib/server/frame');34const { Playwright } = require('@playwright/test/lib/server/playwright');35const playwright = new Playwright();36const browser = await playwright.chromium.launch();

Using AI Code Generation

1const { createFiberRoot } = require('playwright/lib/server/domFiber');2const jsdom = require('jsdom');3const { JSDOM } = jsdom;4const dom = new JSDOM(`<!DOCTYPE html><p>Hello world</p>`, { runScripts: 'dangerously' });5const document = dom.window.document;6const fiberRoot = createFiberRoot(document);7fiberRoot.render(React.createElement('div', null, 'Hello World'));8console.log(document.body.innerHTML);9{10  "scripts": {11  },12  "dependencies": {13  }14}

Using AI Code Generation

1const { createFiberRoot } = require('playwright/lib/server/dom');2const { ElementHandle } = require('playwright/lib/server/dom.js');3const { JSHandle } = require('playwright/lib/server/jsHandle.js');4const { assert } = require('playwright/lib/utils/utils.js');5const { createJSHandle } = require('playwright/lib/server/frames.js');6const { Page } = require('playwright/lib/server/page.js');7const page = new Page();8const root = createFiberRoot(page);9const rootHandle = root._internalRoot;10const bodyHandle = rootHandle._ownerDocument._documentElement._children[1];11const body = new ElementHandle(root._page, bodyHandle, root);12const text = 'hello world';13const textNodeHandle = bodyHandle._children[0]._children[0];14const textNode = new JSHandle(body._context, textNodeHandle);15const newTextNodeHandle = textNodeHandle._ownerDocument.createTextNode(text);16const newTextNode = new JSHandle(body._context, newTextNodeHandle);17const newTextNode2Handle = textNodeHandle._ownerDocument.createTextNode(text);18const newTextNode2 = new JSHandle(body._context, newTextNode2Handle);19newTextNodeHandle._parent = textNodeHandle._parent;20newTextNodeHandle._nextSibling = textNodeHandle._nextSibling;21newTextNodeHandle._previousSibling = textNodeHandle;22textNodeHandle._nextSibling = newTextNodeHandle;23newTextNodeHandle._ownerDocument = textNodeHandle._ownerDocument;24newTextNode2Handle._parent = textNodeHandle._parent;25newTextNode2Handle._nextSibling = textNodeHandle._nextSibling;26newTextNode2Handle._previousSibling = newTextNodeHandle;27newTextNodeHandle._nextSibling = newTextNode2Handle;28const newTextNode2 = new JSHandle(body._context, newTextNode2Handle);29const newTextNode3Handle = textNodeHandle._ownerDocument.createTextNode(text);30const newTextNode3 = new JSHandle(body._context, newTextNode3Handle);31newTextNode3Handle._parent = textNodeHandle._parent;32newTextNode3Handle._nextSibling = textNodeHandle._nextSibling;33newTextNode3Handle._previousSibling = newTextNode2Handle;34newTextNode2Handle._nextSibling = newTextNode3Handle;35const newTextNode4Handle = textNodeHandle._ownerDocument.createTextNode(text);36const newTextNode4 = new JSHandle(body._context, newTextNode4Handle);

Using AI Code Generation

1const { createFiberRoot } = require('playwright/lib/server/dom.js');2const { createServer } = require('http');3const { parse } = require('url');4createServer((req, res) => {5  const { pathname } = parse(req.url);6  if (pathname === '/') {7    res.writeHead(200);8    res.end(`9    `);10    return;11  }12  if (pathname === '/test.js') {13    res.writeHead(200);14    res.end(`15      const root = document.getElementById('root');16      const { createFiberRoot } = require('playwright/lib/server/dom.js');17      const fiberRoot = createFiberRoot(root);18      console.log(fiberRoot);19    `);20    return;21  }22}).listen(8080);23FiberRoot {24  current: FiberNode {25    pendingProps: {},26    memoizedProps: {},27  },28  containerInfo: HTMLDivElement {29    _events: [Object: null prototype] {},

Using AI Code Generation

1const { createFiberRoot } = require('playwright/lib/server/chromium/crPage');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const fiberRoot = createFiberRoot(page);7  await fiberRoot.evaluate(async () => {8    await new Promise(resolve => setTimeout(resolve, 1000));9    console.log('Hello from fiber!');10  });11  await browser.close();12})();13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch();16  const page = await browser.newPage();17  await page.evaluate(async () => {18    await new Promise(resolve => setTimeout(resolve, 1000));19    console.log('Hello from page!');20  });21  await browser.close();22})();23const { chromium } = require('playwright');24(async () => {25  const browser = await chromium.launch();26  const page = await browser.newPage();27  await page.evaluate(async () => {28    await new Promise(resolve => setTimeout(resolve, 1000));29    console.log('Hello from page!');30  });31  await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35  const browser = await chromium.launch();36  const page = await browser.newPage();37  await page.evaluate(async () => {38    await new Promise(resolve => setTimeout(resolve, 1000));39    console.log('Hello from page!');40  });41  await browser.close();42})();43const { chromium } = require('playwright');44(async () => {45  const browser = await chromium.launch();46  const page = await browser.newPage();47  await page.evaluate(async () => {48    await new Promise(resolve => setTimeout(resolve, 1000));49    console.log('Hello from page!');50  });51  await browser.close();52})();53const { chromium } = require('playwright');54(async () => {55  const browser = await chromium.launch();56  const page = await browser.newPage();57  await page.evaluate(async () => {58    await new Promise(resolve => setTimeout(resolve, 1000));59    console.log('Hello from page!');60  });61  await browser.close();62})();63const { chromium } = require('playwright');64(async () => {

Using AI Code Generation

1const { createFiberRoot } = require('playwright/lib/server/dom/fiber');2const { context } = require('playwright/lib/server/dom/serverDomContext');3const { jsdom } = require('jsdom');4const { JSDOM } = jsdom;5const dom = new JSDOM();6const document = dom.window.document;7const root = createFiberRoot(document.body, context);8root.render(html`<div>Hello World</div>`);9const { createFiberRoot } = require('playwright/lib/server/dom/fiber');10const { context } = require('playwright/lib/server/dom/serverDomContext');

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.