Test your AI Agents with the all-new Agent to Agent Testing Platform.Learn More
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 å
ç´ å®¹å¨ */49function isValidContainer(node) {/* ... */}50function isReactNode(node) {/* ... */}51/* ä»å®¹å¨è·åå®¿ä¸»æ ¹å
ç´ å®ä¾ */52function getHostRootInstanceInContainer(container) {/* ... */}53/* ä»å®¹å¨è·å顶å±å
è£
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.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
