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](

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