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How to use createLegacyRoot method in Playwright Internal

Best JavaScript code snippet using playwright-internal

lazyLegacyRoot.js

Source:lazyLegacyRoot.js

...37    );38    // Create/unmount.39    useLayoutEffect(() => {40      if (!rootRef.current) {41        rootRef.current = createLegacyRoot(containerRef.current);42      }43      const root = rootRef.current;44      return () => {45        root.unmount();46      };47    }, [createLegacyRoot]);48    // Mount/update.49    useLayoutEffect(() => {50      if (rootRef.current) {51        rootRef.current.render(Component, props, context);52      }53    }, [Component, props, context]);54    return <div ref={containerRef} />;55  };...

ReactDOMLegacy.js

Source:ReactDOMLegacy.js

...51  let rootSibling;52  while ((rootSibling = container.lastChild)) {53    container.removeChild(rootSibling);54  }55  return createLegacyRoot(container);...

LegacyRoot.js

Source:LegacyRoot.js

...7}8function DOMBlockingRoot(container, tag, options) {9    this._internalRoot = createRootImpl(container, tag, options);10}11function createLegacyRoot(container, options) {12    return new DOMBlockingRoot(container, LegacyRoot, options);13}14export function legacyCreateRootContainerFromDOM(container, forceHydrate) {15    const shouldHydrate = forceHydrate || false;16    if (!shouldHydrate) {17        let warned = false;18        let root;19        while (root = container.lastChild) {20            {21                if (!warned && root.nodeType === ELEMENT_NODE && root.hasAttribute("green-root")) {22                    warned = true;23                    console.warn("Warn! Removing root node from DOM container given is a bad idea!");24                }25            }26            container.removeChild(root);27        }28    }29    return createLegacyRoot(container, shouldHydrate ? { hudrate: true } : undefined);...

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: 'example.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: 'example.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: 'example.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: 'example.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: 'example.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();

Using AI Code Generation

1const { chromium } = require('playwright-internal');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: 'example.png' });7  await browser.close();8})();9const { chromium } = require('playwright-internal');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: 'example.png' });15  await browser.close();16})();17const { chromium } = require('playwright-internal');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: 'example.png' });23  await browser.close();24})();25const { chromium } = require('playwright-internal');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: 'example.png' });31  await browser.close();32})();33const { chromium } = require('playwright-internal');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: 'example.png' });39  await browser.close();40})();41const { chromium } = require('playwright-internal');42(async () => {43  const browser = await chromium.launch();44  const context = await browser.newContext();

Using AI Code Generation

1const playwright = require('playwright');2const { createLegacyRoot } = require('playwright/lib/server/browserContext');3const browser = await playwright.chromium.launch({ headless: false });4const context = await browser.newContext();5const root = createLegacyRoot(context);6const page = await root.newPage();7const { createPageInContext } = require('playwright/lib/server/browserContext');8const page = await createPageInContext(context);9const { createPageInContext } = require('playwright/lib/server/browserContext');10const page = await createPageInContext(context);11const { createPageInContext } = require('playwright/lib/server/browserContext');12const page = await createPageInContext(context);13const { createPageInContext } = require('playwright/lib/server/browserContext');14const page = await createPageInContext(context);15const { createPageInContext } = require('playwright/lib/server/browserContext');16const page = await createPageInContext(context);17const { createPageInContext } = require('playwright/lib/server/browserContext');18const page = await createPageInContext(context);19const { createPageInContext } = require('playwright/lib/server/browserContext');20const page = await createPageInContext(context);21const { createPageInContext } = require('playwright/lib/server/browserContext');22const page = await createPageInContext(context);23const { createPageInContext } = require('playwright/lib/server/browserContext');24const page = await createPageInContext(context);25const { createPageInContext } = require('playwright/lib/server/browserContext');26const page = await createPageInContext(context);

Using AI Code Generation

1const playwright = require('playwright');2const { createLegacyRoot } = require('playwright/lib/server/browserType');3const browser = await playwright.chromium.launch();4const browserContext = await browser.newContext();5const page = await browserContext.newPage();6const root = await createLegacyRoot(page);7root.innerHTML = '<input type="checkbox" id="checkbox" />';8const checkbox = root.querySelector('#checkbox');9await checkbox.click();10await browser.close();11const playwright = require('playwright');12const { createLegacyRoot } = require('playwright/lib/server/browserType');13describe('My test', () => {14  it('should click the checkbox', async () => {15    const browser = await playwright.chromium.launch();16    const browserContext = await browser.newContext();17    const page = await browserContext.newPage();18    const root = await createLegacyRoot(page);19    root.innerHTML = '<input type="checkbox" id="checkbox" />';20    const checkbox = root.querySelector('#checkbox');21    await checkbox.click();22    await browser.close();23  });24});

Using AI Code Generation

1const playwright = require('playwright');2const browser = await playwright.chromium.launch();3const context = await browser.newContext();4const page = await context.newPage();5const root = await page.createLegacyRoot();6const rootElement = root._rootElement;7const shadowRoot = rootElement.shadowRoot;8const childElement = shadowRoot.querySelector('child-element');9const childShadowRoot = childElement.shadowRoot;10const grandChildElement = childShadowRoot.querySelector('grand-child-element');11const grandChildShadowRoot = grandChildElement.shadowRoot;12const greatGrandChildElement = grandChildShadowRoot.querySelector('great-grand-child-element');13const greatGrandChildShadowRoot = greatGrandChildElement.shadowRoot;14const greatGreatGrandChildElement = greatGrandChildShadowRoot.querySelector('great-great-grand-child-element');15const greatGreatGrandChildShadowRoot = greatGreatGrandChildElement.shadowRoot;16const greatGreatGreatGrandChildElement = greatGreatGrandChildShadowRoot.querySelector('great-great-great-grand-child-element');17const greatGreatGreatGrandChildShadowRoot = greatGreatGreatGrandChildElement.shadowRoot;18const greatGreatGreatGreatGrandChildElement = greatGreatGreatGrandChildShadowRoot.querySelector('great-great-great-great-grand-child-element');19const greatGreatGreatGreatGrandChildShadowRoot = greatGreatGreatGreatGrandChildElement.shadowRoot;20const greatGreatGreatGreatGreatGrandChildElement = greatGreatGreatGreatGrandChildShadowRoot.querySelector('great-great-great-great-great-grand-child-element');21const greatGreatGreatGreatGreatGrandChildShadowRoot = greatGreatGreatGreatGreatGrandChildElement.shadowRoot;22const greatGreatGreatGreatGreatGreatGrandChildElement = greatGreatGreatGreatGreatGrandChildShadowRoot.querySelector('great

Using AI Code Generation

1const playwright = require('playwright');2const { createLegacyRoot } = require('playwright/lib/server/browserType');3const { chromium } = playwright;4const browser = createLegacyRoot(chromium, { headless: false });5(async () => {6    const context = await browser.newContext();7    const page = await context.newPage();8    await page.close();9    await context.close();10    await browser.close();11})();12module.exports = {13    use: {14        launchOptions: {15        },16    },17};

Using AI Code Generation

1const playwright = require('playwright');2const browser = await playwright['chromium'].launch({headless:false, slowMo: 3000});3const page = await browser.newPage();4const context = await browser.newContext();5const legacyRoot = await context.createLegacyRoot();6const frame = await legacyRoot.frame();7await frame.fill('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input', 'Hello World');8await frame.click('#tsf > div:nth-child(2) > div > div.FPdoLc.VlcLAe > center > input[type="submit"]:nth-child(1)');9await frame.waitForNavigation();10await frame.screenshot({ path: 'google.png' });11await browser.close();12const playwright = require('playwright');13const browser = await playwright['chromium'].launch({headless:false, slowMo: 3000});14const page = await browser.newPage();15const context = await browser.newContext();16const legacyRoot = await context.createLegacyRoot();17const frame = await legacyRoot.frame();18await frame.fill('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input', 'Hello World');19await frame.click('#tsf > div:nth-child(2) > div > div.FPdoLc.VlcLAe > center > input[type="submit"]:nth-child(1)');20await frame.waitForNavigation();21await frame.screenshot({ path: 'google.png' });22await browser.close();23const playwright = require('playwright');24const browser = await playwright['chromium'].launch({headless:false, slowMo: 3000});25const page = await browser.newPage();26const context = await browser.newContext();27const legacyRoot = await context.createLegacyRoot();28const frame = await legacyRoot.frame();29await frame.fill('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input', 'Hello World');30await frame.click('#tsf >

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.connectOverCDP({4  });5  const context = await browser.createLegacyRoot();6  const page = await context.newPage();7  await page.screenshot({ path: 'screenshot.png' });8  await browser.close();9})();10const playwright = require('playwright');11(async () => {12  const browser = await playwright.chromium.connectOverCDP({13  });14  const context = await browser.createIncognitoBrowserContext();15  const page = await context.newPage();16  await page.screenshot({ path: 'screenshot.png' });17  await browser.close();18})();19const playwright = require('playwright');20(async () => {21  const browser = await playwright.chromium.connectOverCDP({22  });23  const context = await browser.newContext();24  const page = await context.newPage();25  await page.screenshot({ path: 'screenshot.png' });26  await browser.close();27})();28const playwright = require('playwright');29(async () => {30  const browser = await playwright.chromium.connectOverCDP({

Using AI Code Generation

1const { createLegacyRoot } = require('@playwright/test');2const { test } = createLegacyRoot();3test('test', async ({ page }) => {4});5const { createLegacyRoot } = require('@playwright/test');6const { test } = createLegacyRoot();7test('test', async ({ page }) => {8});

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.