Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use doesFiberContain method in Playwright Internal

Best JavaScript code snippet using playwright-internal

react-reconciler-reflection.development.js

Source:react-reconciler-reflection.development.js

...456function isFiberSuspenseAndTimedOut(fiber) {457  var memoizedState = fiber.memoizedState;458  return fiber.tag === SuspenseComponent && memoizedState !== null && memoizedState.dehydrated === null;459}460function doesFiberContain(parentFiber, childFiber) {461  var node = childFiber;462  var parentFiberAlternate = parentFiber.alternate;463  while (node !== null) {464    if (node === parentFiber || node === parentFiberAlternate) {465      return true;466    }467    node = node.return;468  }469  return false;470}471exports.doesFiberContain = doesFiberContain;472exports.findCurrentFiberUsingSlowPath = findCurrentFiberUsingSlowPath;473exports.findCurrentHostFiber = findCurrentHostFiber;474exports.findCurrentHostFiberWithNoPortals = findCurrentHostFiberWithNoPortals;...

hostConfig.js

Source:hostConfig.js

1const R = require('ramda');2const withoutChildren = R.omit([ 'children' ]);3import { Gtk } from './env';4import publicElements from './elements';5export default {6	now: Date.now,7	useSyncScheduling: true,8	supportsMutation: true,9	createInstance(type, props, rootContainerInstance, hostContext, internalInstanceHandle) {10		log('createInstance', type, props);11		// TODO: Can we just do `Type = type.replace('gtk-', '').toCamelCase()`?12		const Type = publicElements[type];13		if (!Type) {14			throw new Error(`Unknown component: ${type}`);15		}16		const instance = new Type();17		instance.createInstance(18			Object.entries(props),19			rootContainerInstance,20			hostContext,21			internalInstanceHandle22		);23		return instance;24	},25	createTextInstance(26		text,27		rootContainerInstance,28		hostContext,29		internalInstanceHandle30	) {31		log('createTextInstance');32		throw new Error('ReactGTK does not support text instances. Use gtk-label to display text');33	},34	appendInitialChild(parentInstance, child) {35		log('appendInitialChild', parentInstance, child);36		child.show(child);37		if (!R.is(Gtk.Application, parentInstance)) {38			parentInstance.appendChild(child);39		}40	},41	finalizeInitialChildren(instance, type, props, rootContainerInstance) {42		log('finalizeInitialChildren');43		return false;44	},45	getPublicInstance(instance) {46		log('getPublicInstance');47		return instance;48	},49	prepareForCommit() {50		log('prepareForCommit');51		// If we don't return null here, doesFiberContain crashes on undefined node52		return null;53	},54	prepareUpdate(55		instance,56		type,57		oldProps,58		newProps,59		rootContainerInstance,60		hostContext61	) {62		const oldNoChildren = withoutChildren(oldProps);63		const newNoChildren = withoutChildren(newProps);64		const propsAreEqual = R.equals(oldNoChildren, newNoChildren);65		const unset = R.without(R.keys(newNoChildren), R.keys(oldNoChildren));66		const set = R.reject(R.contains(R.__, R.toPairs(oldNoChildren)), R.toPairs(newNoChildren));67		log('prepareUpdate', stringify(oldNoChildren), stringify(newNoChildren), !propsAreEqual);68		return propsAreEqual ? null : { unset, set };69	},70	resetAfterCommit() {71		log('resetAfterCommit');72	},73	resetTextContent(instance) {74		log('resetTextContent');75	},76	shouldDeprioritizeSubtree(type, props) {77		return false;78	},79	getRootHostContext(rootContainerInstance) {80		return {};81	},82	getChildHostContext(parentHostContext, type) {83		return parentHostContext;84	},85	shouldSetTextContent(props) {86		return false;87	},88	scheduleAnimationCallback() {89		log('scheduleAnimationCallback');90	},91	scheduleDeferredCallback() {92		log('scheduleDeferredCallback');93	},94	// Mutation95	appendChild(parentInstance, child) {96		log('appendChild', parentInstance, child);97		child.show(child);98		if (!R.is(Gtk.Application, parentInstance)) {99			parentInstance.appendChild(child);100		}101	},102	appendChildToContainer(parentInstance, child) {103		log('appendChildToContainer', parentInstance, child);104		child.show(child);105		if (!R.is(Gtk.Application, parentInstance)) {106			parentInstance.appendChild(child);107		}108	},109	insertBefore(parentInstance, child, beforeChild) {110		log('insertBefore', parentInstance, child, beforeChild);111		child.show(child);112		if (!R.is(Gtk.Application, parentInstance)) {113			parentInstance.insertBefore(child, beforeChild);114		}115	},116	insertInContainerBefore(parentInstance, child, beforeChild) {117		log('insertInContainerBefore', parentInstance, child, beforeChild);118		child.show(child);119		if (!R.is(Gtk.Application, parentInstance)) {120			parentInstance.insertBefore(child, beforeChild);121		}122	},123	removeChild(parentInstance, child) {124		log('removeChild', parentInstance, child);125		if (!R.is(Gtk.Application, parentInstance)) {126			parentInstance.removeChild(child);127		}128	},129	removeChildFromContainer(parentInstance, child) {130		log('removeChildFromContainer', parentInstance, child);131		if (!R.is(Gtk.Application, parentInstance)) {132			parentInstance.removeChild(child);133		}134	},135	clearContainer(parentInstance) {136		log('clearContainer');137	},138	commitTextUpdate(139		textInstance,140		oldText,141		newText142	) {143		log('commitTextUpdate');144		throw new Error('commitTextUpdate should not be called');145	},146	// commitMount is called after initializeFinalChildren *if*147	// `initializeFinalChildren` returns true.148	commitMount(149		instance,150		type,151		newProps,152		internalInstanceHandle153	) {154		log('commitMount');155	},156	commitUpdate(157		instance,158		changes,159		type,160		oldProps,161		newProps,162		internalInstanceHandle163	) {164		log('commitUpdate', stringify(changes));165		instance.update(changes);166	}...

ReactFiberTreeReflection.js

Source:ReactFiberTreeReflection.js

1import { get as getInstance } from '../../ReactInstanceMap';2import { Placement, Hydrating, NoFlags } from './ReactFiberFlags';3import { HostRoot } from './ReactWorkTags';4const doesFiberContain = (parentFiber, childFiber) => {5  let node = childFiber;6  const parentFiberAlternate = parentFiber.alternate;7  while (node !== null) {8    if (node === parentFiber || node === parentFiberAlternate) {9      return true;10    }11    node = node.return;12  }13  return false;14};15const getNearestMountedFiber = (fiber) => {16  let node = fiber;17  let nearestMounted = fiber;18  if (!fiber.alternate) {19    let nextNode = node;20    do {21      node = nextNode;22      if ((node.flags & (Placement | Hydrating)) !== NoFlags) {23        nearestMounted = node.return;24      }25      nextNode = node.return;26    } while (nextNode);27  } else {28    while (node.return) {29      node = node.return;30    }31  }32  if (node.tag === HostRoot) return nearestMounted;33  return null;34};35const isMounted = (component) => {36  const fiber = getInstance(component);37  if (!fiber) return false;38  return getNearestMountedFiber(fiber) === fiber;39};...

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  console.log(doesFiberContain(page._delegate, 'google'));8  await browser.close();9})();10### `doesFiberContain(fiber, text)`11[Praveen Kumar Pendyala](

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/server/fiber');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.click('text=Get started');8  await page.click('text=Docs');9  await page.click('text=API');10  await page.click('text=BrowserContext');11  await page.click('text=BrowserContext.newPage');12  console.log(doesFiberContain(page._mainFrame._mainContext));13  await browser.close();14})();15* [Playwright Internal API](

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3const assert = require('assert');4(async () => {5  const browser = await chromium.launch({ headless: false });6  const page = await browser.newPage();7  const handle = await page.$('text=Get started');8  const fiber = await handle._context();9  assert.strictEqual(doesFiberContain(fiber, 'Get started'), true);10  await browser.close();11})();12### doesFiberContain(fiber, text)

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/utils/utils.js');2const { chromium } = require('playwright');3const assert = require('assert');4(async () => {5  const browser = await chromium.launch({ headless: false });6  const context = await browser.newContext();7  const page = await context.newPage();8  const fiber = page.mainFrame()._mainContext._fiber;9  const element = await page.$('text=Get started');10  assert.ok(doesFiberContain(fiber, element));11  await browser.close();12})();13const { doesFiberContain } = require('playwright/lib/utils/utils.js');14const { chromium } = require('playwright');15const assert = require('assert');16(async () => {17  const browser = await chromium.launch({ headless: false });18  const context = await browser.newContext();19  const page = await context.newPage();20  const fiber = page.mainFrame()._mainContext._fiber;21  const element = await page.$('text=Get started');22  assert.ok(doesFiberContain(fiber, element));23  await browser.close();24})();

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/server/fiber');2const { Playwright } = require('playwright');3const playwright = new Playwright();4(async () => {5  const browser = await playwright.chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  const element = await page.$('text=Learn');9  const fiber = element._context._page._frameManager._mainFrame._fiber;10  console.log(doesFiberContain(fiber, 'Learn'));11  await browser.close();12})();13### doesFiberContain(fiber, text)

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/utils/utils');2const { context } = require('playwright');3const { test, expect } = require('@playwright/test');4test('test', async ({ page }) => {5  const handle = await page.$('text=Get started');6  const context = await handle.executionContext();7  const object = await context.evaluateHandle((node) => node, handle);8  expect(doesFiberContain(object, 'Get started')).toBe(true);9});

Using AI Code Generation

1const { doesFiberContain } = require('playwright/lib/server/fiber');2const { getFiber } = require('playwright/lib/server/fiberStorage');3const { createPage } = require('playwright/lib/server/page');4const { createBrowserContext } = require('playwright/lib/server/browserContext');5const { createBrowser } = require('playwright/lib/server/browser');6const { createPlaywright } = require('playwright/lib/server/playwright');7const { createServer } = require('playwright/lib/server/server');8const { createDispatcher } = require('playwright/lib/server/dispatcher');9const { createConnectionTransport } = require('playwright/lib/server/transport');10const { Connection } = require('playwright/lib/client/connection');11async function main() {12  const playwright = createPlaywright();13  const browser = await createBrowser(playwright, 'chromium', { headless: false });14  const context = await createBrowserContext(browser, {});15  const page = await createPage(context, {});16  const server = await createServer();17  const transport = createConnectionTransport(server, {});18  const connection = new Connection(transport);19  const dispatcher = createDispatcher(connection.rootDispatcher(), page);20  const fiber = getFiber();21  const result = await doesFiberContain(fiber, dispatcher);22  console.log(result);23}24main();25Please read [CONTRIBUTING.md](

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.