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How to use ReactDOMRoot method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactDOMRoot.js

Source:ReactDOMRoot.js

...48    ...49  },50  ...51};52function ReactDOMRoot(container: Container, options: void | RootOptions) {53  54  enableLog && console.log('ReactDomRoot: ReactDOMRoot')55  if (!__LOG_NAMES__.length || __LOG_NAMES__.includes('ReactDOMRoot')) debugger56  this._internalRoot = createRootImpl(container, ConcurrentRoot, options);57}58function ReactDOMBlockingRoot(59  container: Container,60  tag: RootTag,61  options: void | RootOptions,62) {63  this._internalRoot = createRootImpl(container, tag, options);64}65ReactDOMRoot.prototype.render = ReactDOMBlockingRoot.prototype.render = function(66  children: ReactNodeList,67): void {68  69  enableLog && console.log('Scheduler: render start')70  if (!__LOG_NAMES__.length || __LOG_NAMES__.includes('render')) debugger71  72  const root = this._internalRoot;73  // æ´æ°çèµ·ç¹74  updateContainer(children, root, null, null);75};76ReactDOMRoot.prototype.unmount = ReactDOMBlockingRoot.prototype.unmount = function(): void {77  const root = this._internalRoot;78  const container = root.containerInfo;79  updateContainer(null, root, null, () => {80    unmarkContainerAsRoot(container);81  });82};83function createRootImpl(84  container: Container,85  tag: RootTag,86  options: void | RootOptions,87) {88  89  enableLog && console.log('ReactDomRoot: createRootImpl')90  if (!__LOG_NAMES__.length || __LOG_NAMES__.includes('createRootImpl')) debugger91  92  // Tag is either LegacyRoot or Concurrent Root93  const hydrate = options != null && options.hydrate === true;94  const hydrationCallbacks =95    (options != null && options.hydrationOptions) || null;96  const mutableSources =97    (options != null &&98      options.hydrationOptions != null &&99      options.hydrationOptions.mutableSources) ||100    null;101  const root = createContainer(container, tag, hydrate, hydrationCallbacks);102  markContainerAsRoot(root.current, container);103  // COMMENT_NODE = 8ï¼ä»£è¡¨æ³¨éï¼nodeType = 1, ä»£è¡¨åç´ 104  // nodeTypeè¯¦ç»å¯çhttps://www.w3school.com.cn/jsref/prop_node_nodetype.asp105  const rootContainerElement =106    container.nodeType === COMMENT_NODE ? container.parentNode : container;107  listenToAllSupportedEvents(rootContainerElement);108  if (mutableSources) {109    for (let i = 0; i < mutableSources.length; i++) {110      const mutableSource = mutableSources[i];111      registerMutableSourceForHydration(root, mutableSource);112    }113  }114  return root;115}116export function createRoot(117  container: Container,118  options?: RootOptions,119): RootType {120  121  enableLog && console.log('ReactDomRoot: createRoot')122  if (!__LOG_NAMES__.length || __LOG_NAMES__.includes('createRoot')) debugger123  invariant(124    isValidContainer(container),125    'createRoot(...): Target container is not a DOM element.',126  );127  return new ReactDOMRoot(container, options);128}129export function createBlockingRoot(130  container: Container,131  options?: RootOptions,132): RootType {133  invariant(134    isValidContainer(container),135    'createRoot(...): Target container is not a DOM element.',136  );137  return new ReactDOMBlockingRoot(container, BlockingRoot, options);138}139export function createLegacyRoot(140  container: Container,141  options?: RootOptions,...

dom.js

Source:dom.js

1import { createFiber  } from './createFiber.js'2import { scheduleUpdateOnFiber } from './ReactFiberWorkLoop.js'3function ReactDOMRoot(internalRoot) {4  this._internalRoot = internalRoot 5}6ReactDOMRoot.prototype.render = function (children) {7  const root = this._internalRoot8  updateContainer(children, root)9}10function createRoot(container) {11  12  const root = {13    containerInfo: container14  }15  return new ReactDOMRoot(root)16}17function updateContainer(element, root) {18  const { containerInfo } = root19  const fiber = createFiber(element, {20    type: containerInfo.nodeName.toLocaleLowerCase(),21    stateNode: containerInfo22  })23  24  scheduleUpdateOnFiber(fiber)25}26export {27  createRoot...

react-dom.js

Source:react-dom.js

1import { createFiber } from "./ReactFiber";2function ReactDOMRoot(internalRoot) {3  this._internalRoot = internalRoot;4}5ReactDOMRoot.prototype.render = function (children) {6  console.log(children);7  const root = this._internalRoot;8  updateContainer(children, root);9};10function updateContainer(element, container) {11  const { containerInfo } = container;12  const fiber = createFiber(element, {13    type: containerInfo.nodeName.toLowerCase(),14    stateNode: containerInfo,15  });16  // ç»ä»¶æ¸²æ17}18function createRoot(container) {19  const root = {20    containerInfo: container,21  };22  return new ReactDOMRoot(root);23}...

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.screenshot({path: 'google.png'});7  await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11  const browser = await chromium.launch();12  const context = await browser.newContext();13  const page = await context.newPage();14  await page.screenshot({path: 'google.png'});15  await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.screenshot({path: 'google.png'});23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  await page.screenshot({path: 'google.png'});31  await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35  const browser = await chromium.launch();36  const context = await browser.newContext();37  const page = await context.newPage();38  await page.screenshot({path: 'google.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.screenshot({path: 'google.png'});47  await browser.close();48})();

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 root = await page._client.send('DOM.getDocument', {depth: -1, pierce: true});7    const rootId = root.root.nodeId;8    const result = await page._client.send('DOM.querySelector', {nodeId: rootId, selector: 'body'});9    console.log(result);10    await browser.close();11})();12const {chromium} = require('playwright');13(async () => {14    const browser = await chromium.launch();15    const context = await browser.newContext();16    const page = await context.newPage();17    const result = await page._client.send('DOM.querySelector', {nodeId: 1, selector: 'body'});18    console.log(result);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 result = await page._client.send('DOM.querySelector', {nodeId: 2, selector: 'body'});27    console.log(result);28    await browser.close();29})();30const {chromium} = require('playwright');31(async () => {32    const browser = await chromium.launch();33    const context = await browser.newContext();34    const page = await context.newPage();35    const result = await page._client.send('DOM.querySelector', {nodeId: 3, selector: 'body'});36    console.log(result);37    await browser.close();38})();

Using AI Code Generation

1const {chromium} = require('playwright');2const path = require('path');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const root = await page._client.send('DOM.getDocument', {depth: -1});8  console.log(root);9  await browser.close();10})();11{ root:12   { nodeType: 11,13     xmlVersion: '' } }

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  const root = await page._delegate._browserContext._browser._defaultContext._connection.root();6  const { node } = await root.querySelector({ selector: 'text=Learn' });7  console.log(node);8  await browser.close();9})();10{11  importedDocument: null,12}

Using AI Code Generation

1const { chromium } = require('playwright');2const { ReactDOMRoot } = require('playwright/lib/server/dom');3(async () => {4const browser = await chromium.launch();5const context = await browser.newContext();6const page = await context.newPage();7const root = await ReactDOMRoot.getOrCreate(page);8const input = await root.querySelector('input');9await input.evaluate(input => input.value = 'Hello World');10await browser.close();11})();12const { chromium } = require('playwright');13const { ReactTestUtils } = require('playwright/lib/server/dom');14(async () => {15const browser = await chromium.launch();16const context = await browser.newContext();17const page = await context.newPage();18const root = await ReactTestUtils.getOrCreate(page);19const input = await root.querySelector('input');20await input.evaluate(input => input.value = 'Hello World');21await browser.close();22})();23const { chromium } = require('playwright');24const { ReactTestRenderer } = require('playwright/lib/server/dom');25(async () => {26const browser = await chromium.launch();27const context = await browser.newContext();28const page = await context.newPage();29const root = await ReactTestRenderer.getOrCreate(page);30const input = await root.querySelector('input');31await input.evaluate(input => input.value = 'Hello World');32await browser.close();33})();34const { chromium } = require('playwright');35const { ReactTestInstance } = require('playwright/lib/server/dom');36(async () => {37const browser = await chromium.launch();38const context = await browser.newContext();39const page = await context.newPage();40const root = await ReactTestInstance.getOrCreate(page);41const input = await root.querySelector('input');42await input.evaluate(input => input.value = 'Hello World');43await browser.close();44})();45const { chromium } = require('playwright');46const { ReactTestComponent } = require('playwright/lib/server/dom');47(async () => {48const browser = await chromium.launch();49const context = await browser.newContext();

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const page = await browser.newPage();5  const root = await page._delegate._page._delegate._browserContext._delegate._browser._delegate._browser._chromium._root;6  const root1 = await root.createBrowserContext();7  const page1 = await root1.newPage();8  await page1.screenshot({ path: 'example.png' });9  await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13  const browser = await chromium.launch();14  const page = await browser.newPage();15  const root = await page._delegate._page._delegate._browserContext._delegate._browser._delegate._browser._chromium._root;16  const root1 = await root.createBrowserContext();17  const page1 = await root1.newPage();18  await page1.screenshot({ path: 'example.png' });19  await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23  const browser = await chromium.launch();24  const page = await browser.newPage();25  const root = await page._delegate._page._delegate._browserContext._delegate._browser._delegate._browser._chromium._root;26  const root1 = await root.createBrowserContext();27  const page1 = await root1.newPage();28  await page1.screenshot({ path: 'example.png' });29  await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33  const browser = await chromium.launch();34  const page = await browser.newPage();35  const root = await page._delegate._page._delegate._browserContext._delegate._browser._delegate._browser._chromium._root;36  const root1 = await root.createBrowserContext();37  const page1 = await root1.newPage();38  await page1.screenshot({ path: 'example.png'

Using AI Code Generation

1const { createPageInNewContext } = require('playwright/lib/server/chromium/crBrowser');2const { createChromiumExecutionContext } = require('playwright/lib/server/chromium/crExecutionContext');3const { createJSHandle } = require('playwright/lib/server/jsHandle');4const { chromium } = require('playwright');5(async () => {6  const browser = await chromium.launch();7  const page = await browser.newPage();8  const context = await createPageInNewContext(page);9  const executionContext = await createChromiumExecutionContext(context, false);10  const root = await executionContext.evaluateHandle(() => document);11  const handle = await createJSHandle(executionContext, root);12  const result = await handle.evaluate((node) => {13    return node.querySelector('h1').innerText;14  });15  console.log(result);16  await browser.close();17})();

Using AI Code Generation

1const { chromium } = require('playwright');2const { createPlaywrightRoot } = require('playwright/lib/server/dom.js');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();7  const root = await createPlaywrightRoot(page);8  const elements = await root.querySelectorAll('input');9  console.log(elements.length);10  await browser.close();11})();

Using AI Code Generation

1const { ReactDOMRoot } = require('playwright/lib/server/dom.js');2const { Page } = require('playwright/lib/server/page.js');3const { createJSHandle } = require('playwright/lib/server/common.js');4const { ElementHandle } = require('playwright/lib/server/dom.js');5const { createHandle } = require('playwright/lib/server/common.js');6const { JSHandle } = require('playwright/lib/server/dom.js');7const page = await browser.newPage();8const handle = await createHandle(page, 'hello');9await handle.evaluate((e) => e);10const jsHandle = await createJSHandle(page, 'hello');11await jsHandle.evaluate((e) => e);12const root = await page._mainFrame._context._root;13const elementHandle = await root.evaluateHandle((_, selector) => document.querySelector(selector), '.selector');14await elementHandle.evaluate((e) => e);15const root = await page._mainFrame._context._root;16const elementHandle = await root.querySelector('.selector');17await elementHandle.evaluate((e) => e);18const root = await page._mainFrame._context._root;19const elementHandle = await root.querySelector('.selector');20await elementHandle.evaluate((e) => e);21const root = await page._mainFrame._context._root;22const elementHandle = await root.querySelector('.selector');23await elementHandle.evaluate((e) => e);24const root = await page._mainFrame._context._root;25const elementHandle = await root.querySelector('.selector');26await elementHandle.evaluate((e) => e);27const root = await page._mainFrame._context._root;28const elementHandle = await root.querySelector('.selector');29await elementHandle.evaluate((e) => e);30const root = await page._mainFrame._context._root;31const elementHandle = await root.querySelector('.selector');32await elementHandle.evaluate((e) => e);

Using AI Code Generation

1const { chromium } = require('playwright');2const ReactDOMRoot = require('@playwright/test/lib/server/ReactDOMRoot').ReactDOMRoot;3const path = require('path');4const { React } = global;5const render = async () => {6  const root = new ReactDOMRoot(path.join(__dirname, 'index.js'));7  const { page } = await root.initialize();8  const html = await page.innerHTML('#root');9  await page.close();10  await root.dispose();11  return html;12};13(async () => {14  const browser = await chromium.launch();15  const context = await browser.newContext();16  const page = await context.newPage();17  await page.setContent(await render());18  await page.screenshot({ path: 'screenshot.png' });19  await browser.close();20})();21const React = require('react');22const App = () => {23  return (24  );25};26module.exports = App;

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.