How to use legacyRenderSubtreeIntoContainer method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactDOMLegacy.js

Source:ReactDOMLegacy.js

...76        }77      : undefined,78  );79}80function legacyRenderSubtreeIntoContainer(81  parentComponent: ?React$Component<any, any>,82  children: ReactNodeList,83  container: Container,84  forceHydrate: boolean,85  callback: ?Function,86) {87  // TODO: Without `any` type, Flow says "Property cannot be accessed on any88  // member of intersection type." Whyyyyyy.89  let root: RootType = (container._reactRootContainer: any);90  let fiberRoot;91  if (!root) {92    // Initial mount93    // containeræReactDOM.renderçç¬¬äºä¸ªåæ°ï¼å³åºç¨æè½½çDOMèç¹ï¼94    root = container._reactRootContainer = legacyCreateRootFromDOMContainer(95      container,96      forceHydrate,97    );98    fiberRoot = root._internalRoot;99    if (typeof callback === 'function') {100      const originalCallback = callback;101      callback = function() {102        const instance = getPublicRootInstance(fiberRoot);103        originalCallback.call(instance);104      };105    }106    // Initial mount should not be batched.107    unbatchedUpdates(() => {108      updateContainer(children, fiberRoot, parentComponent, callback);109    });110  } else {111    fiberRoot = root._internalRoot;112    if (typeof callback === 'function') {113      const originalCallback = callback;114      callback = function() {115        const instance = getPublicRootInstance(fiberRoot);116        originalCallback.call(instance);117      };118    }119    // Update120    updateContainer(children, fiberRoot, parentComponent, callback);121  }122  return getPublicRootInstance(fiberRoot);123}124export function findDOMNode(125  componentOrElement: Element | ?React$Component<any, any>,126): null | Element | Text {127  if (componentOrElement == null) {128    return null;129  }130  if ((componentOrElement: any).nodeType === ELEMENT_NODE) {131    return (componentOrElement: any);132  }133  return findHostInstance(componentOrElement);134}135export function hydrate(136  element: React$Node,137  container: Container,138  callback: ?Function,139) {140  invariant(141    isValidContainer(container),142    'Target container is not a DOM element.',143  );144  // TODO: throw or warn if we couldn't hydrate?145  return legacyRenderSubtreeIntoContainer(146    null,147    element,148    container,149    true,150    callback,151  );152}153export function render(154  element: React$Element<any>,155  container: Container,156  callback: ?Function,157) {158  invariant(159    isValidContainer(container),160    'Target container is not a DOM element.',161  );162  return legacyRenderSubtreeIntoContainer(163    null,164    element,165    container,166    false,167    callback,168  );169}170export function unstable_renderSubtreeIntoContainer(171  parentComponent: React$Component<any, any>,172  element: React$Element<any>,173  containerNode: Container,174  callback: ?Function,175) {176  invariant(177    isValidContainer(containerNode),178    'Target container is not a DOM element.',179  );180  invariant(181    parentComponent != null && hasInstance(parentComponent),182    'parentComponent must be a valid React Component',183  );184  return legacyRenderSubtreeIntoContainer(185    parentComponent,186    element,187    containerNode,188    false,189    callback,190  );191}192export function unmountComponentAtNode(container: Container) {193  invariant(194    isValidContainer(container),195    'unmountComponentAtNode(...): Target container is not a DOM element.',196  );197  if (container._reactRootContainer) {198    // Unmount should not be batched.199    unbatchedUpdates(() => {200      legacyRenderSubtreeIntoContainer(null, null, container, false, () => {201        // $FlowFixMe This should probably use `delete container._reactRootContainer`202        container._reactRootContainer = null;203        unmarkContainerAsRoot(container);204      });205    });206    // If you call unmountComponentAtNode twice in quick succession, you'll207    // get `true` twice. That's probably fine?208    return true;209  } else {210    return false;211  }...

ReactDOM.render.js

Source:ReactDOM.render.js

12 ReactDOM.render: function (element, container, callback) {3    return legacyRenderSubtreeIntoContainer(null, element, container, false, callback);4  },56function legacyRenderSubtreeIntoContainer(parentComponent, children, container, forceHydrate, callback) {7  8    // åå§åæ¶9    // parentComponent null10    // children App11    // container div#app DOMåç´ 12    // forceHydrate false13    // callback ä¸è§£é1415    var root = container._reactRootContainer; //undefined16    if (!root) {17      // Initial mount18      // é¦æ¬¡æ¸²æ19      // çæä¸ä¸ª ReactRoot å®ä¾ï¼æè½½å° container ç _reactRootContainer å±æ§ä¸20      root = container._reactRootContainer = legacyCreateRootFromDOMContainer(container, forceHydrate);
...

react-dom.js

Source:react-dom.js

...16    }17  },18  // ...19  hydrate(element: React$Node, container: DOMContainer, callback: ?Function) {20    return legacyRenderSubtreeIntoContainer(21      null,22      element,23      container,24      true,25      callback26    )27  },28  render(29    element: React$Element<any>,30    container: DOMContainer,31    callback: ?Function32  ) {33    return legacyRenderSubtreeIntoContainer(34      null,35      // EXPLAIN React.CreateElement36      element,37      // document.getElementById('app')38      container,39      false,40      callback41    )42  },43  unstable_batchedUpdates: batchedUpdates,44  unstable_interactiveUpdates: interactiveUpdates,45  flushSync: flushSync46  // ...47}

index.js

Source:index.js

1import { legacyRenderSubtreeIntoContainer } from "./ReactDOMLegacy";2export function render(element, container) {3    return legacyRenderSubtreeIntoContainer(null, element, container)...

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  const element = await page.$('input[name="q"]');7  await page.legacyRenderSubtreeIntoContainer(element);8  await page.screenshot({ path: 'google.png' });9  await browser.close();10})();

Using AI Code Generation

1const playwright = require('playwright');2const { legacyRenderSubtreeIntoContainer } = playwright.internal;3const { chromium } = playwright;4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  await page.setContent('<div id="container"></div>');9  await legacyRenderSubtreeIntoContainer(page, <div>hello</div>, document.querySelector('#container'));10  await browser.close();11})();12playwright.internal.legacyRenderSubtreeIntoContainer = legacyRenderSubtreeIntoContainer;13playwright.internal.legacyRenderSubtreeIntoContainer = legacyRenderSubtreeIntoContainer;14const { chromium } = require('playwright');15(async () => {16  const browser = await chromium.launch();17  const context = await browser.newContext({ browserContextOptions: { 'user-data-dir': './mydir' } });18  const page = await context.newPage();19})();

Using AI Code Generation

1const legacyRenderSubtreeIntoContainer = require('playwright').internal.legacyRenderSubtreeIntoContainer;2const React = require('react');3const ReactDOM = require('react-dom');4const App = () => {5  return <div>Hello World</div>;6};7legacyRenderSubtreeIntoContainer(null, <App />, document.body);8const { test, expect } = require('@playwright/test');9test('should render a React app', async ({ page }) => {10  await page.goto('test.js');11  const text = await page.innerText('body');12  expect(text).toBe('Hello World');13});

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 component = await page.$('#component');6  await page.evaluate(component => {7    const { render, unmountComponentAtNode } = require('react-dom');8    const { legacyRenderSubtreeIntoContainer } = require('playwright-core/lib/server/dom');9    const { Component } = require('react');10    class MyComponent extends Component {11      render() {12        return <div>Hello {this.props.name}</div>;13      }14    }15    const container = document.createElement('div');16    component.appendChild(container);17    legacyRenderSubtreeIntoContainer(null, <MyComponent name="John" />, container);18  }, component);19  await page.screenshot({ path: 'example.png' });20  await browser.close();21})();22import { chromium } from 'playwright';23(async () => {24  const browser = await chromium.launch();25  const page = await browser.newPage();26  const component = await page.$('#component');27  await page.evaluate(component => {28    const { render, unmountComponentAtNode } = require('react-dom');29    const { legacyRenderSubtreeIntoContainer } = require('playwright-core/lib/server/dom');30    const { Component } = require('react');31    class MyComponent extends Component {32      render() {33        return <div>Hello {this.props.name}</div>;34      }35    }36    const container = document.createElement('div');37    component.appendChild(container);38    legacyRenderSubtreeIntoContainer(null, <MyComponent name="John" />, container);39  }, component);40  await page.screenshot({ path: 'example.png' });41  await browser.close();42})();

Using AI Code Generation

1const playwright = require('playwright');2const { legacyRenderSubtreeIntoContainer } = require('playwright/lib/server/dom');3const { parse } = require('playwright/lib/server/common/html');4(async () => {5  const browser = await playwright.firefox.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  const { root, shadowRoots } = await page.evaluateHandle(() => {9    const div = document.createElement('div');10    div.attachShadow({ mode: 'open' });11    document.body.appendChild(div);12    return {13    };14  });15  await legacyRenderSubtreeIntoContainer(16    parse(`<div>hello</div>`),17  );18  await page.screenshot({ path: 'example.png' });19  await browser.close();20})();21{22  "dependencies": {23  },24  "devDependencies": {},25  "scripts": {26  },27}28    at ExecutionContext._evaluateInternal (/Users/username/Projects/playwright-test/node_modules/playwright/lib/server/common/ExecutionContext.js:217:19)29    at processTicksAndRejections (internal/process/task_queues.js:97:5)30    at async ExecutionContext.evaluate (/Users/username/Projects/playwright-test/node_modules/playwright/lib/server/common/ExecutionContext.js:106:16)

Using AI Code Generation

1const { legacyRenderSubtreeIntoContainer } = require('playwright/lib/server/dom.js');2const { createContainer } = require('playwright/lib/server/dom.js');3const container = createContainer();4const container2 = createContainer();5legacyRenderSubtreeIntoContainer(container, <div>Test</div>, null);6legacyRenderSubtreeIntoContainer(container2, <div>Test2</div>, null);7const { renderSubtreeIntoContainer } = require('playwright/lib/server/dom.js');8const container = createContainer();9renderSubtreeIntoContainer(container, <div>Test</div>, null);10const { render } = require('playwright/lib/server/dom.js');11render(<div>Test</div>, null);

Using AI Code Generation

1legacyRenderSubtreeIntoContainer(null, <Component />, document.body);2legacyRenderSubtreeIntoContainer(null, <Component />, document.body);3let page;4beforeEach(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  page = await context.newPage();8});9afterEach(async () => {10  await page.close();11});12let page;13beforeEach(async () => {14  const browser = await chromium.launch();15  const context = await browser.newContext();16  page = await context.newPage();17});18afterEach(async () => {19  await page.close();20});

Using AI Code Generation

1const playwright = require('playwright');2const { LegacyRoot } = playwright;3module.exports = async (page, selector, component) => {4  const handle = await page.$(selector);5  const root = new LegacyRoot(page, handle);6  await root.renderSubtreeIntoContainer(component);7};8const { test, expect } = require('@playwright/test');9const { render } = require('react-dom');10const { LegacyRoot } = require('playwright');11const legacyRenderSubtreeIntoContainer = require('./test');12test('test', async ({ page }) => {13  await legacyRenderSubtreeIntoContainer(page, '.navbar__inner', <div>Test</div>);14  const text = await page.innerText('.navbar__inner');15  expect(text).toBe('Test');16});

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