How to use nodeIsRenderedByOtherInstance method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactMount.js

Source:ReactMount.js

...92      var inst = ReactDOMComponentTree.getInstanceFromNode(rootEl);93      return !!(inst && inst._hostParent);94    }95  }96  function nodeIsRenderedByOtherInstance(container) {97    var rootEl = getReactRootElementInContainer(container);98    return !!(rootEl && isReactNode(rootEl) && !ReactDOMComponentTree.getInstanceFromNode(rootEl));99  }100  function isValidContainer(node) {101    return !!(node && (node.nodeType === ELEMENT_NODE_TYPE || node.nodeType === DOC_NODE_TYPE || node.nodeType === DOCUMENT_FRAGMENT_NODE_TYPE));102  }103  function isReactNode(node) {104    return isValidContainer(node) && (node.hasAttribute(ROOT_ATTR_NAME) || node.hasAttribute(ATTR_NAME));105  }106  function getHostRootInstanceInContainer(container) {107    var rootEl = getReactRootElementInContainer(container);108    var prevHostInstance = rootEl && ReactDOMComponentTree.getInstanceFromNode(rootEl);109    return prevHostInstance && !prevHostInstance._hostParent ? prevHostInstance : null;110  }111  function getTopLevelWrapperInContainer(container) {112    var root = getHostRootInstanceInContainer(container);113    return root ? root._hostContainerInfo._topLevelWrapper : null;114  }115  var topLevelRootCounter = 1;116  var TopLevelWrapper = function() {117    this.rootID = topLevelRootCounter++;118  };119  TopLevelWrapper.prototype.isReactComponent = {};120  if (process.env.NODE_ENV !== 'production') {121    TopLevelWrapper.displayName = 'TopLevelWrapper';122  }123  TopLevelWrapper.prototype.render = function() {124    return this.props.child;125  };126  TopLevelWrapper.isReactTopLevelWrapper = true;127  var ReactMount = {128    TopLevelWrapper: TopLevelWrapper,129    _instancesByReactRootID: instancesByReactRootID,130    scrollMonitor: function(container, renderCallback) {131      renderCallback();132    },133    _updateRootComponent: function(prevComponent, nextElement, nextContext, container, callback) {134      ReactMount.scrollMonitor(container, function() {135        ReactUpdateQueue.enqueueElementInternal(prevComponent, nextElement, nextContext);136        if (callback) {137          ReactUpdateQueue.enqueueCallbackInternal(prevComponent, callback);138        }139      });140      return prevComponent;141    },142    _renderNewRootComponent: function(nextElement, container, shouldReuseMarkup, context) {143      process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, '_renderNewRootComponent(): Render methods should be a pure function ' + 'of props and state; triggering nested component updates from ' + 'render is not allowed. If necessary, trigger nested updates in ' + 'componentDidUpdate. Check the render method of %s.', ReactCurrentOwner.current && ReactCurrentOwner.current.getName() || 'ReactCompositeComponent') : void 0;144      !isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, '_registerComponent(...): Target container is not a DOM element.') : _prodInvariant('37') : void 0;145      ReactBrowserEventEmitter.ensureScrollValueMonitoring();146      var componentInstance = instantiateReactComponent(nextElement, false);147      ReactUpdates.batchedUpdates(batchedMountComponentIntoNode, componentInstance, container, shouldReuseMarkup, context);148      var wrapperID = componentInstance._instance.rootID;149      instancesByReactRootID[wrapperID] = componentInstance;150      return componentInstance;151    },152    renderSubtreeIntoContainer: function(parentComponent, nextElement, container, callback) {153      !(parentComponent != null && ReactInstanceMap.has(parentComponent)) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'parentComponent must be a valid React Component') : _prodInvariant('38') : void 0;154      return ReactMount._renderSubtreeIntoContainer(parentComponent, nextElement, container, callback);155    },156    _renderSubtreeIntoContainer: function(parentComponent, nextElement, container, callback) {157      ReactUpdateQueue.validateCallback(callback, 'ReactDOM.render');158      !React.isValidElement(nextElement) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactDOM.render(): Invalid component element.%s', typeof nextElement === 'string' ? ' Instead of passing a string like \'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' : nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent ' + 'copies of React.' : '') : _prodInvariant('39', typeof nextElement === 'string' ? ' Instead of passing a string like \'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' : nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent ' + 'copies of React.' : '') : void 0;159      process.env.NODE_ENV !== 'production' ? warning(!container || !container.tagName || container.tagName.toUpperCase() !== 'BODY', 'render(): Rendering components directly into document.body is ' + 'discouraged, since its children are often manipulated by third-party ' + 'scripts and browser extensions. This may lead to subtle ' + 'reconciliation issues. Try rendering into a container element created ' + 'for your app.') : void 0;160      var nextWrappedElement = React.createElement(TopLevelWrapper, {child: nextElement});161      var nextContext;162      if (parentComponent) {163        var parentInst = ReactInstanceMap.get(parentComponent);164        nextContext = parentInst._processChildContext(parentInst._context);165      } else {166        nextContext = emptyObject;167      }168      var prevComponent = getTopLevelWrapperInContainer(container);169      if (prevComponent) {170        var prevWrappedElement = prevComponent._currentElement;171        var prevElement = prevWrappedElement.props.child;172        if (shouldUpdateReactComponent(prevElement, nextElement)) {173          var publicInst = prevComponent._renderedComponent.getPublicInstance();174          var updatedCallback = callback && function() {175            callback.call(publicInst);176          };177          ReactMount._updateRootComponent(prevComponent, nextWrappedElement, nextContext, container, updatedCallback);178          return publicInst;179        } else {180          ReactMount.unmountComponentAtNode(container);181        }182      }183      var reactRootElement = getReactRootElementInContainer(container);184      var containerHasReactMarkup = reactRootElement && !!internalGetID(reactRootElement);185      var containerHasNonRootReactChild = hasNonRootReactChild(container);186      if (process.env.NODE_ENV !== 'production') {187        process.env.NODE_ENV !== 'production' ? warning(!containerHasNonRootReactChild, 'render(...): Replacing React-rendered children with a new root ' + 'component. If you intended to update the children of this node, ' + 'you should instead have the existing children update their state ' + 'and render the new components instead of calling ReactDOM.render.') : void 0;188        if (!containerHasReactMarkup || reactRootElement.nextSibling) {189          var rootElementSibling = reactRootElement;190          while (rootElementSibling) {191            if (internalGetID(rootElementSibling)) {192              process.env.NODE_ENV !== 'production' ? warning(false, 'render(): Target node has markup rendered by React, but there ' + 'are unrelated nodes as well. This is most commonly caused by ' + 'white-space inserted around server-rendered markup.') : void 0;193              break;194            }195            rootElementSibling = rootElementSibling.nextSibling;196          }197        }198      }199      var shouldReuseMarkup = containerHasReactMarkup && !prevComponent && !containerHasNonRootReactChild;200      var component = ReactMount._renderNewRootComponent(nextWrappedElement, container, shouldReuseMarkup, nextContext)._renderedComponent.getPublicInstance();201      if (callback) {202        callback.call(component);203      }204      return component;205    },206    render: function(nextElement, container, callback) {207      return ReactMount._renderSubtreeIntoContainer(null, nextElement, container, callback);208    },209    unmountComponentAtNode: function(container) {210      process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, 'unmountComponentAtNode(): Render methods should be a pure function ' + 'of props and state; triggering nested component updates from render ' + 'is not allowed. If necessary, trigger nested updates in ' + 'componentDidUpdate. Check the render method of %s.', ReactCurrentOwner.current && ReactCurrentOwner.current.getName() || 'ReactCompositeComponent') : void 0;211      !isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'unmountComponentAtNode(...): Target container is not a DOM element.') : _prodInvariant('40') : void 0;212      if (process.env.NODE_ENV !== 'production') {213        process.env.NODE_ENV !== 'production' ? warning(!nodeIsRenderedByOtherInstance(container), 'unmountComponentAtNode(): The node you\'re attempting to unmount ' + 'was rendered by another copy of React.') : void 0;214      }215      var prevComponent = getTopLevelWrapperInContainer(container);216      if (!prevComponent) {217        var containerHasNonRootReactChild = hasNonRootReactChild(container);218        var isContainerReactRoot = container.nodeType === 1 && container.hasAttribute(ROOT_ATTR_NAME);219        if (process.env.NODE_ENV !== 'production') {220          process.env.NODE_ENV !== 'production' ? warning(!containerHasNonRootReactChild, 'unmountComponentAtNode(): The node you\'re attempting to unmount ' + 'was rendered by React and is not a top-level container. %s', isContainerReactRoot ? 'You may have accidentally passed in a React root node instead ' + 'of its container.' : 'Instead, have the parent component update its state and ' + 'rerender in order to remove this component.') : void 0;221        }222        return false;223      }224      delete instancesByReactRootID[prevComponent._instance.rootID];225      ReactUpdates.batchedUpdates(unmountComponentFromNode, prevComponent, container, false);226      return true;227    },...

flat1.js

Source:flat1.js

...43function batchedMountComponentIntoNode(componentInstance, container, shouldReuseMarkup, context) {/* ... */}44function unmountComponentFromNode(instance, container, safely) {/* ... */}45/* æ£æ¥æ¯å¦åå¨å®ä¾ */ 46function hasNonRootReactChild(container) {/* ... */}47function nodeIsRenderedByOtherInstance(container) {/* ... */}48/* æ ¡éª DOM åç´ å®¹å¨ */49function isValidContainer(node) {/* ... */}50function isReactNode(node) {/* ... */}51/* ä»å®¹å¨è·åå®¿ä¸»æ ¹åç´ å®ä¾ */52function getHostRootInstanceInContainer(container) {/* ... */}53/* ä»å®¹å¨è·åé¡¶å±åè£ç±» */54function getTopLevelWrapperInContainer(container) {/* ... */}55var topLevelRootCounter = 1;56var TopLevelWrapper = function () {57  this.rootID = topLevelRootCounter++;58};59TopLevelWrapper.prototype.isReactComponent = {};60if (process.env.NODE_ENV !== 'production') {61  TopLevelWrapper.displayName = 'TopLevelWrapper';...

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  await page.screenshot({ path: path.join(__dirname, 'screenshot.png') });8  await browser.close();9})();10const { chromium } = require('playwright');11const path = require('path');12(async () => {13  const browser = await chromium.launch();14  const context = await browser.newContext();15  const page = await context.newPage();16  await page.screenshot({ path: path.join(__dirname, 'screenshot.png') });17  await browser.close();18})();

Using AI Code Generation

1const { nodeIsRenderedByOtherInstance } = 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  await page.setContent(`<div>test</div>`);7  const element = await page.$('div');8  const result = await nodeIsRenderedByOtherInstance(page, element);9  console.log(result);10  await browser.close();11})();12const { chromium } = require('playwright');13(async () => {14  const browser = await chromium.launch();15  const page = await browser.newPage();16  await page.setContent(`<div>test</div>`);17  const element = await page.$('div');18  const result = await page.evaluate(async element => {19    const { nodeIsRenderedByOtherInstance } = require('playwright/lib/server/chromium/crPage');20    return await nodeIsRenderedByOtherInstance(page, element);21  }, element);22  console.log(result);23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser1 = await chromium.launch();28  const page1 = await browser1.newPage();29  await page1.setContent(`<div>test</div>`);30  const element = await page1.$('div');31  const browser2 = await chromium.launch();32  const page2 = await browser2.newPage();33  const result = await page2.evaluate(async element => {34    const { nodeIsRenderedByOtherInstance } = require('playwright/lib/server/chromium/crPage');35    return await nodeIsRenderedByOtherInstance(page, element);36  }, element);37  console.log(result);38  await browser1.close();39  await browser2.close();40})();

Using AI Code Generation

1const playwright = require('playwright');2const { nodeIsRenderedByOtherInstance } = require('playwright/lib/server/browserContext');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const isRendered = await nodeIsRenderedByOtherInstance(page, '#js-link-box-ru');8  console.log(isRendered);9  await browser.close();10})();

Using AI Code Generation

1(async () => {2  const { chromium } = require('playwright');3  const browser = await chromium.launch();4  const page = await browser.newPage();5  console.log(await page.evaluate(() => {6    return window.playwright.internal.nodeIsRenderedByOtherInstance(document.querySelector('input'));7  }));8  await browser.close();9})();10nodeIsRenderedByOtherInstance(node: Node, options?: NodeIsRenderedByOtherInstanceOptions): Promise<boolean>11nodeIsRenderedByOtherInstance(node: Node, options?: NodeIsRenderedByOtherInstanceOptions): Promise<boolean>

Using AI Code Generation

1import { chromium } from 'playwright';2import { nodeIsRenderedByOtherInstance } from 'playwright/lib/server/browserContext';3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const elementHandle = await page.$('input');8  const isRendered = await nodeIsRenderedByOtherInstance(page, elementHandle);9  console.log(isRendered);10  await browser.close();11})();

Using AI Code Generation

1const { nodeIsRenderedByOtherInstance } = require('playwright/lib/internal/frames');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const page = await browser.newPage();6  const frame = page.mainFrame();7  const div = await frame.$('div');8  const result = await nodeIsRenderedByOtherInstance(div);9  console.log(result);10  await browser.close();11})();

Using AI Code Generation

1const { nodeIsRenderedByOtherInstance } = require('playwright/lib/server/browserContext');2const { chromium } = require('playwright');3const assert = require('assert');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">9</div>`);10  const node1 = await page.$('#node1');11  const node2 = await page.$('#node2');12  const node3 = await page.$('#node3');13  const isRenderedByOtherInstance = await nodeIsRenderedByOtherInstance(node1);14  assert.equal(isRenderedByOtherInstance, false);15  const isRenderedByOtherInstance2 = await nodeIsRenderedByOtherInstance(node2);16  assert.equal(isRenderedByOtherInstance2, false);17  const isRenderedByOtherInstance3 = await nodeIsRenderedByOtherInstance(node3);18  assert.equal(isRenderedByOtherInstance3, false);19  const newPage = await context.newPage();20  const isRenderedByOtherInstance4 = await nodeIsRenderedByOtherInstance(node1);21  assert.equal(isRenderedByOtherInstance4, true);22  const isRenderedByOtherInstance5 = await nodeIsRenderedByOtherInstance(node2);23  assert.equal(isRenderedByOtherInstance5, true);24  const isRenderedByOtherInstance6 = await nodeIsRenderedByOtherInstance(node3);25  assert.equal(isRenderedByOtherInstance6, true);26})();

Using AI Code Generation

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

Using AI Code Generation

1(async () => {2  const browser = await chromium.launch();3  const page = await browser.newPage();4  const isRendered = await page.evaluate(async () => {5    const { nodeIsRenderedByOtherInstance } = window['playwright'];6    const element = document.querySelector('input[title="Search"]');7    const isRendered = await nodeIsRenderedByOtherInstance(element);8    return isRendered;9  });10  console.log(isRendered);11})();12const { chromium } = require('playwright');13(async () => {14  const browser = await chromium.launch();15  const page = await browser.newPage();16  const element = await page.$('input[title="Search"]');17  const isRendered = await page.evaluate(async (element) => {18    const { nodeIsRenderedByOtherInstance } = window['playwright'];19    const isRendered = await nodeIsRenderedByOtherInstance(element);20    return isRendered;21  }, element);22  console.log(isRendered);23  await browser.close();24})();

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.