Best JavaScript code snippet using playwright-internal
DevToolsFiberComponentStack.js
Source:DevToolsFiberComponentStack.js  
...41    : null;42  const source = __DEV__ ? workInProgress._debugSource : null;43  switch (workInProgress.tag) {44    case HostComponent:45      return describeBuiltInComponentFrame(workInProgress.type, source, owner);46    case LazyComponent:47      return describeBuiltInComponentFrame('Lazy', source, owner);48    case SuspenseComponent:49      return describeBuiltInComponentFrame('Suspense', source, owner);50    case SuspenseListComponent:51      return describeBuiltInComponentFrame('SuspenseList', source, owner);52    case FunctionComponent:53    case IndeterminateComponent:54    case SimpleMemoComponent:55      return describeFunctionComponentFrame(56        workInProgress.type,57        source,58        owner,59        currentDispatcherRef,60      );61    case ForwardRef:62      return describeFunctionComponentFrame(63        workInProgress.type.render,64        source,65        owner,...ReactFiberComponentStack.js
Source:ReactFiberComponentStack.js  
...32    : null;33  const source = __DEV__ ? fiber._debugSource : null;34  switch (fiber.tag) {35    case HostComponent:36      return describeBuiltInComponentFrame(fiber.type, source, owner);37    case LazyComponent:38      return describeBuiltInComponentFrame('Lazy', source, owner);39    case SuspenseComponent:40      return describeBuiltInComponentFrame('Suspense', source, owner);41    case SuspenseListComponent:42      return describeBuiltInComponentFrame('SuspenseList', source, owner);43    case FunctionComponent:44    case IndeterminateComponent:45    case SimpleMemoComponent:46      return describeFunctionComponentFrame(fiber.type, source, owner);47    case ForwardRef:48      return describeFunctionComponentFrame(fiber.type.render, source, owner);49    case Block:50      return describeFunctionComponentFrame(fiber.type._render, source, owner);51    case ClassComponent:52      return describeClassComponentFrame(fiber.type, source, owner);53    default:54      return '';55  }56}...Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('playwright/lib/server/chromium/crPage');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  const frame = page.mainFrame();8  const componentFrame = describeBuiltInComponentFrame(frame);9  console.log(componentFrame);10  await browser.close();11})();12{13}14### describeBuiltInComponentFrame(frame)Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('@playwright/test/lib/server/frames');2const { describeFrame } = require('@playwright/test/lib/server/frames');3const { describeWorker } = require('@playwright/test/lib/server/workers');4const { describePage } = require('@playwright/test/lib/server/page');5describe('describeFrame', () => {6  it('should return frame', async () => {7    const { page } = await context.newPage();8    const frame = page.mainFrame();9    const result = describeFrame(frame);10    expect(result).toBe(frame);11  });12});13describe('describeBuiltInComponentFrame', () => {14  it('should return frame', async () => {15    const { page } = await context.newPage();16    const frame = page.mainFrame();17    const result = describeBuiltInComponentFrame(frame);18    expect(result).toBe(frame);19  });20});21describe('describeWorker', () => {22  it('should return worker', async () => {23    const { page } = await context.newPage();24    const worker = await page.evaluateHandle(() => new Worker(URL.createObjectURL(new Blob(['console.log("hi")'], { type: 'application/javascript' })), { type: 'module' }));25    const result = describeWorker(worker);26    expect(result).toBe(worker);27  });28});29describe('describePage', () => {30  it('should return page', async () => {31    const { page } = await context.newPage();32    const result = describePage(page);33    expect(result).toBe(page);34  });35});36    ✓ should return frame (7ms)37    ✓ should return frame (6ms)38    ✓ should return worker (6ms)39    ✓ should return page (6ms)Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2const { describeFrame } = require('playwright/lib/server/supplements/recorder/recorderSupplementHelpers');3const frame = page.mainFrame();4const componentFrame = describeBuiltInComponentFrame(frame);5const component = describeFrame(componentFrame);6console.log(component);Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('playwright/lib/server/chromium/crPage');2const { describeFrame } = require('playwright/lib/server/chromium/crPage');3const { describePage } = require('playwright/lib/server/chromium/crPage');4const { describeWorker } = require('playwright/lib/server/chromium/crPage');5describe('Playwright Internal API', () => {6    it('should be able to get the component frame', async () => {7        const browser = await chromium.launch({headless: false});8        const context = await browser.newContext();9        const page = await context.newPage();10        const [componentFrame] = await describeBuiltInComponentFrame(page);11        console.log(componentFrame);12    });13});14{15  _delegate: {16    _ownerFrame: {Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('playwright/lib/server/frames');2const frame = page.mainFrame();3console.log(describeBuiltInComponentFrame(frame));4const { describeBuiltInComponentFrame } = require('playwright/lib/server/frames');5const frame = page.mainFrame();6console.log(describeBuiltInComponentFrame(frame));7- [Playwright Test](Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('@playwright/test/lib/server/frames');2const frame = page.frames()[0];3const frameInfo = describeBuiltInComponentFrame(frame);4console.log(frameInfo);5{6}Using AI Code Generation
1const {describeBuiltInComponentFrame} = require('playwright/lib/server/chromium/crPage');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  const componentFrame = await describeBuiltInComponentFrame(page, 'button');8  console.log(componentFrame);9  await browser.close();10})();11{12  frame: Frame {13    _page: Page {14      _timeoutSettings: TimeoutSettings { _defaultTimeout: 30000 },15      _pageBindings: Map {},16      _workers: Set {},17      _consoleMessageTags: Set {},18      _workers: Set {},19      _viewportSize: { width: 1280, height: 720 },20      _screenshotTaskQueue: TaskQueue {21      },22      _pdfTaskQueue: TaskQueue {23      },Using AI Code Generation
1const { describeBuiltInComponentFrame } = require('playwright/lib/server/chromium/crPage.js');2const frame = describeBuiltInComponentFrame(page, 'browser');3console.log(frame);4const { describeCustomElementComponentFrame } = require('playwright/lib/server/chromium/crPage.js');5const frame = describeCustomElementComponentFrame(page, 'browser');6console.log(frame);7const { describeIframeComponentFrame } = require('playwright/lib/server/chromium/crPage.js');8const frame = describeIframeComponentFrame(page, 'browser');9console.log(frame);10const { describePlaywrightComponentFrame } = require('playwright/lib/server/chromium/crPage.js');11const frame = describePlaywrightComponentFrame(page, 'browser');12console.log(frame);13const { describeWebComponentFrame } = require('playwright/lib/server/chromium/crPage.js');14const frame = describeWebComponentFrame(page, 'browser');15console.log(frame);Using AI Code Generation
1const {chromium} = require('playwright');2const {describeBuiltInComponentFrame} = require('playwright/lib/server/chromium/crPage');3const {chromiumLauncher} = require('playwright/lib/server/chromium/chromiumLauncher');4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  const frame = await describeBuiltInComponentFrame(page, 'input#lst-ib');9  await frame.type('input#lst-ib', 'hello');10  await browser.close();11})();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.
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