How to use getReactRootElementInContainer method in Playwright Internal

Best JavaScript code snippet using playwright-internal

getReactRootElementInContainer.js

Source: getReactRootElementInContainer.js Github

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...14 * @param {DOMElement|DOMDocument} container DOM element that may contain15 * a React component16 * @return {?*} DOM element that may have the reactRoot ID, or null.17 */​18function getReactRootElementInContainer(container) {19 if (!container) {20 return null;21 }22 if (container.nodeType === DOC_NODE_TYPE) {23 return container.documentElement;24 } else {25 return container.firstChild;26 }27}...

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('playwright');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 const reactRoot = await getReactRootElementInContainer(page);8 console.log(reactRoot);9 await browser.close();10})();11const { getReactRootElementInContainer } = require('playwright');12const { chromium } = require('playwright');13(async () => {14 const browser = await chromium.launch({ headless: false });15 const context = await browser.newContext();16 const page = await context.newPage();17 const reactRoot = await getReactRootElementInContainer(page);18 console.log(reactRoot);19 await browser.close();20})();21const { getReactRootElementInContainer } = require('playwright');22const { chromium } = require('playwright');23(async () => {24 const browser = await chromium.launch({ headless: false });25 const context = await browser.newContext();26 const page = await context.newPage();27 const reactRoot = await getReactRootElementInContainer(page);28 console.log(reactRoot);29 await browser.close();30})();31const { getReactRootElementInContainer } = require('playwright');32const { chromium } = require('playwright');33(async () => {34 const browser = await chromium.launch({ headless: false });35 const context = await browser.newContext();36 const page = await context.newPage();37 const reactRoot = await getReactRootElementInContainer(page);38 console.log(reactRoot);39 await browser.close();40})();41const { getReactRootElementInContainer } = require('playwright');42const { chromium } = require('playwright');43(async () => {44 const browser = await chromium.launch({ headless: false });

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 const reactRoot = await getReactRootElementInContainer(page, 'main');8 console.log(reactRoot);9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch({ headless: false });14 const context = await browser.newContext();15 const page = await context.newPage();16 const reactRoot = await page.evaluateHandle(() => {17 const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom');18 return getReactRootElementInContainer(document, 'main');19 });20 console.log(reactRoot);21 await browser.close();22})();

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​frames');2const { test } = require('@playwright/​test');3test('test', async ({ page }) => {4 const reactRoot = await getReactRootElementInContainer(page.mainFrame(), 'css=main');5 console.log(reactRoot);6});7{8 _reactRootContainer: {9 _internalRoot: {10 memoizedInteractions: Set(0) {},11 pendingInteractionMap: Map(0) {},

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom');2const { chromium } = require('playwright');3const path = require('path');4(async() => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const reactRoot = await getReactRootElementInContainer(page.mainFrame(), '#root');9 console.log(reactRoot);10 await browser.close();11})();12const { test } = require('@playwright/​test');13const path = require('path');14test('test', async ({ page }) => {15 const reactRoot = await getReactRootElementInContainer(page.mainFrame(), '#root');16 console.log(reactRoot);17});18ElementHandle {19 _channel: JSHandleChannel {

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom');2const { expect } = require('@playwright/​test');3const { test } = require('@playwright/​test');4test('test', async ({ page }) => {5 const rootElement = await getReactRootElementInContainer(page.mainFrame());6 expect(rootElement).toBeTruthy();7});

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom/​react');2const { expect } = require('@playwright/​test');3const { test } = require('@playwright/​test');4test('test', async ({ page }) => {5 const reactRoot = await getReactRootElementInContainer(page, page);6 expect(reactRoot).toBeTruthy();7});8 ✓ test (1s)9 1 passed (2s)

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('playwright');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 const reactRoot = await getReactRootElementInContainer(page, 'react-root');8 console.log(reactRoot);9 await browser.close();10})();11{12 "scripts": {13 },14 "dependencies": {15 }16}

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom');2const { getReactRoots } = require('@playwright/​test/​lib/​server/​dom/​react');3const { getReactProps } = require('@playwright/​test/​lib/​server/​dom/​react');4const { getReactRootsInContainer } = require('@playwright/​test/​lib/​server/​dom/​react');5const reactRoot = await getReactRootElementInContainer(page, page.mainFrame());6const reactRoots = await getReactRoots(page, page.mainFrame());7const reactProps = await getReactProps(page, page.mainFrame());8const reactRootsInContainer = await getReactRootsInContainer(page, page.mainFrame());9console.log(reactRoot);10console.log(reactRoots);11console.log(reactProps);12console.log(reactRootsInContainer);13const { getReactProps } = require('@playwright/​test/​lib/​server/​dom/​react');14const props = await getReactProps(page, page.mainFrame());15console.log(props);16const { getReactRoots } = require('@playwright/​test/​lib/​server/​dom/​react');17const reactRoots = await getReactRoots(page, page.mainFrame());18console.log(reactRoots);19const { getReactRootsInContainer } = require('@playwright/​test/​lib/​server/​dom/​react');20const reactRoots = await getReactRootsInContainer(page, page.mainFrame());21console.log(reactRoots);22const { getReactRootElementInContainer } = require('@playwright/​test/​lib/​server/​dom/​react');23const reactRoot = await getReactRootElementInContainer(page, page.mainFrame());24console.log(reactRoot);25const { getReactRootsInContainer } = require('@playwright/​test/​lib/​server/​dom/​react');26const reactRoots = await getReactRootsInContainer(page, page.mainFrame());27console.log(reactRoots);28const { getReactRootsInContainer } = require('@playwright/​test/​lib/​server/​dom/​react');

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Using AI Code Generation

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1const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js');2const { getReactRoot } = require('playwright/​lib/​server/​reactUtils.js');3const reactRoot = getReactRoot(document);4const reactElement = getReactRootElementInContainer(document, reactRoot);5console.log(reactElement);6const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js');7const { getReactRoot } = require('playwright/​lib/​server/​reactUtils.js');8const reactRoot = getReactRoot(document);9const reactElement = getReactRootElementInContainer(document, reactRoot);10console.log(reactElement);11const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js');12const { getReactRoot } = require('playwright/​lib/​server/​reactUtils.js');13const reactRoot = getReactRoot(document);14const reactElement = getReactRootElementInContainer(document, reactRoot);15console.log(reactElement);16const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js');17const { getReactRoot } = require('playwright/​lib/​server/​reactUtils.js');18const reactRoot = getReactRoot(document);19const reactElement = getReactRootElementInContainer(document, reactRoot);20console.log(reactElement);21const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js');22const { getReactRoot } = require('playwright/​lib/​server/​reactUtils.js');23const reactRoot = getReactRoot(document);24const reactElement = getReactRootElementInContainer(document, reactRoot);25console.log(reactElement);26const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js');27const { getReactRoot } = require('playwright/​lib/​server/​reactUtils.js');28const reactRoot = getReactRoot(document);29const reactElement = getReactRootElementInContainer(document, reactRoot);30console.log(reactElement);31const { getReactRootElementInContainer } = require('playwright/​lib/​server/​dom.js

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StackOverFlow community discussions

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firefox browser does not start in playwright

firefox browser does not start in playwright

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I found the error. It was because of some missing libraries need. I discovered this when I downgraded playwright to version 1.9 and ran the the code then this was the error msg:

(node:12876) UnhandledPromiseRejectionWarning: browserType.launch: Host system is missing dependencies!

Some of the Universal C Runtime files cannot be found on the system. You can fix
that by installing Microsoft Visual C++ Redistributable for Visual Studio from:
https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads

Full list of missing libraries:
    vcruntime140.dll
    msvcp140.dll
Error
    at Object.captureStackTrace (D:\Projects\snkrs-play\node_modules\playwright\lib\utils\stackTrace.js:48:19)
    at Connection.sendMessageToServer (D:\Projects\snkrs-play\node_modules\playwright\lib\client\connection.js:69:48)
    at Proxy.<anonymous> (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:64:61)
    at D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:64:67
    at BrowserType._wrapApiCall (D:\Projects\snkrs-play\node_modules\playwright\lib\client\channelOwner.js:77:34)
    at BrowserType.launch (D:\Projects\snkrs-play\node_modules\playwright\lib\client\browserType.js:55:21)
    at D:\Projects\snkrs-play\index.js:4:35
    at Object.<anonymous> (D:\Projects\snkrs-play\index.js:7:3)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:12876) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:12876) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

A list of missing libraries was provided. After successful installments, firefox ran fine. I upgraded again to version 1.10 and firefox still works.

https://stackoverflow.com/questions/66984974/firefox-browser-does-not-start-in-playwright

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