How to use createFiberFromProfiler method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactFiber.old.js

Source:ReactFiber.old.js

...301          fiberTag = Mode;302          mode |= StrictMode;303          break;304        case REACT_PROFILER_TYPE:305          return createFiberFromProfiler(pendingProps, mode, lanes, key);306        case REACT_SUSPENSE_TYPE:307          return createFiberFromSuspense(pendingProps, mode, lanes, key);308        case REACT_SUSPENSE_LIST_TYPE:309          return createFiberFromSuspenseList(pendingProps, mode, lanes, key);310        case REACT_OFFSCREEN_TYPE:311          return createFiberFromOffscreen(pendingProps, mode, lanes, key);312        case REACT_LEGACY_HIDDEN_TYPE:313          return createFiberFromLegacyHidden(pendingProps, mode, lanes, key);314        case REACT_SCOPE_TYPE:315        // eslint-disable-next-line no-fallthrough316        default:317          {318            if (typeof type === 'object' && type !== null) {319              switch (type.$$typeof) {320                case REACT_PROVIDER_TYPE:321                  fiberTag = ContextProvider;322                  break getTag;323                case REACT_CONTEXT_TYPE:324                  // This is a consumer325                  fiberTag = ContextConsumer;326                  break getTag;327                case REACT_FORWARD_REF_TYPE:328                  fiberTag = ForwardRef;329                  {330                    resolvedType = resolveForwardRefForHotReloading(resolvedType);331                  }332                  break getTag;333                case REACT_MEMO_TYPE:334                  fiberTag = MemoComponent;335                  break getTag;336                case REACT_LAZY_TYPE:337                  fiberTag = LazyComponent;338                  resolvedType = null;339                  break getTag;340                case REACT_BLOCK_TYPE:341                  fiberTag = Block;342                  break getTag;343              }344            }345            var info = '';346            {347              if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {348                info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and " + 'named imports.';349              }350              var ownerName = owner ? getComponentName(owner.type) : null;351              if (ownerName) {352                info += '\n\nCheck the render method of `' + ownerName + '`.';353              }354            }355            {356              {357                throw Error( "Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: " + (type == null ? type : typeof type) + "." + info );358              }359            }360          }361      }362    }363    var fiber = createFiber(fiberTag, pendingProps, key, mode);364    fiber.elementType = type;365    fiber.type = resolvedType;366    fiber.lanes = lanes;367    {368      fiber._debugOwner = owner;369    }370    return fiber;371  }372  function createFiberFromElement(element, mode, lanes) {373    var owner = null;374    {375      owner = element._owner;376    }377    var type = element.type;378    var key = element.key;379    var pendingProps = element.props;380    var fiber = createFiberFromTypeAndProps(type, key, pendingProps, owner, mode, lanes);381    {382      fiber._debugSource = element._source;383      fiber._debugOwner = element._owner;384    }385    return fiber;386  }387  function createFiberFromFragment(elements, mode, lanes, key) {388    var fiber = createFiber(Fragment, elements, key, mode);389    fiber.lanes = lanes;390    return fiber;391  }392  function createFiberFromProfiler(pendingProps, mode, lanes, key) {393    {394      if (typeof pendingProps.id !== 'string') {395        error('Profiler must specify an "id" as a prop');396      }397    }398    var fiber = createFiber(Profiler, pendingProps, key, mode | ProfileMode); // TODO: The Profiler fiber shouldn't have a type. It has a tag.399    fiber.elementType = REACT_PROFILER_TYPE;400    fiber.type = REACT_PROFILER_TYPE;401    fiber.lanes = lanes;402    {403      fiber.stateNode = {404        effectDuration: 0,405        passiveEffectDuration: 0406      };...

ReactFiber.js

Source:ReactFiber.js

...326        fiberTag = Mode;327        mode |= StrictMode;328        break;329      case REACT_PROFILER_TYPE:330        return createFiberFromProfiler(pendingProps, mode, expirationTime, key);331      case REACT_TIMEOUT_TYPE:332        fiberTag = TimeoutComponent;333        // Suspense does not require async, but its children should be strict334        // mode compatible.335        mode |= StrictMode;336        break;337      default:338        fiberTag = getFiberTagFromObjectType(type, owner);339        break;340    }341  }342  fiber = createFiber(fiberTag, pendingProps, key, mode);343  fiber.type = type;344  fiber.expirationTime = expirationTime;345  if (__DEV__) {346    fiber._debugSource = element._source;347    fiber._debugOwner = element._owner;348  }349  return fiber;350}351function getFiberTagFromObjectType(type, owner): TypeOfWork {352  const $$typeof =353    typeof type === 'object' && type !== null ? type.$$typeof : null;354  switch ($$typeof) {355    case REACT_PROVIDER_TYPE:356      return ContextProvider;357    case REACT_CONTEXT_TYPE:358      // This is a consumer359      return ContextConsumer;360    case REACT_FORWARD_REF_TYPE:361      return ForwardRef;362    default: {363      let info = '';364      if (__DEV__) {365        if (366          type === undefined ||367          (typeof type === 'object' &&368            type !== null &&369            Object.keys(type).length === 0)370        ) {371          info +=372            ' You likely forgot to export your component from the file ' +373            "it's defined in, or you might have mixed up default and " +374            'named imports.';375        }376        const ownerName = owner ? getComponentName(owner) : null;377        if (ownerName) {378          info += '\n\nCheck the render method of `' + ownerName + '`.';379        }380      }381      invariant(382        false,383        'Element type is invalid: expected a string (for built-in ' +384          'components) or a class/function (for composite components) ' +385          'but got: %s.%s',386        type == null ? type : typeof type,387        info,388      );389    }390  }391}392export function createFiberFromFragment(393  elements: ReactFragment,394  mode: TypeOfMode,395  expirationTime: ExpirationTime,396  key: null | string,397): Fiber {398  const fiber = createFiber(Fragment, elements, key, mode);399  fiber.expirationTime = expirationTime;400  return fiber;401}402export function createFiberFromProfiler(403  pendingProps: any,404  mode: TypeOfMode,405  expirationTime: ExpirationTime,406  key: null | string,407): Fiber {408  if (__DEV__) {409    if (410      typeof pendingProps.id !== 'string' ||411      typeof pendingProps.onRender !== 'function'412    ) {413      invariant(414        false,415        'Profiler must specify an "id" string and "onRender" function as props',416      );...

flat1.js

Source:flat1.js

...110export function createFiberFromElement(/* ... */): Fiber {/* ... */}111export function createFiberFromFragment(/* ... */): Fiber {/* ... */}112export function createFiberFromFundamental(/* ... */): Fiber {/* ... */}113function createFiberFromScope(/* ... */) {/* ... */}114function createFiberFromProfiler(/* ... */): Fiber {/* ... */}115export function createFiberFromSuspense(/* ... */) {/* ... */}116export function createFiberFromSuspenseList(/* ... */) {/* ... */}117export function createFiberFromOffscreen(/* ... */) {/* ... */}118export function createFiberFromLegacyHidden(/* ... */) {/* ... */}119export function createFiberFromText(/* ... */): Fiber {/* ... */}120export function createFiberFromHostInstanceForDeletion(): Fiber {/* ... */}121export function createFiberFromDehydratedFragment(/* ... */): Fiber {/* ... */}122export function createFiberFromPortal(/* ... */): Fiber {/* ... */}123// Used for stashing WIP properties to replay failed work in DEV.124export function assignFiberPropertiesInDEV(/* ... */): Fiber {/* ... */}...

createFiberFromElement.js

Source:createFiberFromElement.js

...51        fiberTag = Mode;52        mode |= StrictMode;53        break;54      case REACT_PROFILER_TYPE:55        return createFiberFromProfiler(pendingProps, mode, expirationTime, key);56      case REACT_SUSPENSE_TYPE:57        return createFiberFromSuspense(pendingProps, mode, expirationTime, key);58      case REACT_SUSPENSE_LIST_TYPE:59        return createFiberFromSuspenseList(60          pendingProps,61          mode,62          expirationTime,63          key,64        );65      default: {66        if (typeof type === 'object' && type !== null) {67          switch (type.$$typeof) {68            case REACT_PROVIDER_TYPE:69              fiberTag = ContextProvider;...

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const fiber = page._delegate.createFiberFromProfiler();7  await fiber.start();8  await page.click('text="Sign in"');9  await fiber.stop();10  await fiber.save();11  await browser.close();12})();13const { chromium } = require('playwright');14const { test } = require('@playwright/test');15test('test', async ({ page }) => {16  const fiber = page._delegate.createFiberFromProfiler();17  await fiber.start();18  await page.click('text="Sign in"');19  await fiber.stop();20  await fiber.save();21});

Using AI Code Generation

1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const fiber = await page._delegate.createFiberFromProfiler();7  console.log(fiber);8  await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12  const browser = await chromium.launch();13  const fiber = await browser._delegate.createFiberFromProfiler();14  console.log(fiber);15  await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const fiber = await context._delegate.createFiberFromProfiler();22  console.log(fiber);23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  const fiber = await page._delegate.createFiberFromProfiler();31  const snapshot = await fiber.takeSnapshot();32  console.log(snapshot);33  await browser.close();34})();35const { chromium } = require('playwright');36(async () => {37  const browser = await chromium.launch();38  const context = await browser.newContext();39  const page = await context.newPage();40  const fiber = await page._delegate.createFiberFromProfiler();41  const snapshot = await fiber.takeSnapshot({ name: 'my snapshot' });42  console.log(snapshot);43  await browser.close();44})();45const { chromium } = require('playwright');46(async () => {47  const browser = await chromium.launch();48  const context = await browser.newContext();49  const page = await context.newPage();50  const fiber = await page._delegate.createFiberFromProfiler();51  const snapshot = await fiber.takeSnapshot({ name: 'my snapshot', timeout: 5000 });

Using AI Code Generation

1const { createFiberFromProfiler } = require('@playwright/test/lib/fiber');2const fiber = createFiberFromProfiler();3fiber.run(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await page.close();8  await context.close();9  await browser.close();10});11const { test } = require('@playwright/test');12test.describe('Test', () => {13  test('Test', async ({ page }) => {14  });15});

Using AI Code Generation

1var { chromium } = require('playwright');2var path = require('path');3(async () => {4  const browser = await chromium.launch({ headless: false });5  const context = await browser.newContext();6  const page = await context.newPage();

Using AI Code Generation

1const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');2const fiber = createFiberFromProfiler('test', 0);3fiber.start();4fiber.end();5const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');6const fiber = createFiberFromProfiler('test', 0);7fiber.start();8fiber.end();9const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');10const fiber = createFiberFromProfiler('test', 0);11fiber.start();12fiber.end();13const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');14const fiber = createFiberFromProfiler('test', 0);15fiber.start();16fiber.end();17const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');18const fiber = createFiberFromProfiler('test', 0);19fiber.start();20fiber.end();21const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');22const fiber = createFiberFromProfiler('test', 0);23fiber.start();24fiber.end();25const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');26const fiber = createFiberFromProfiler('test', 0);27fiber.start();28fiber.end();29const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');30const fiber = createFiberFromProfiler('test', 0);31fiber.start();32fiber.end();33const { createFiberFromProfiler } = require('@playwright/test/lib/server/trace/recorder/fiber');

Using AI Code Generation

1const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');2const fiber = createFiberFromProfiler(new profiler.Profiler());3console.log(fiber);4const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');5const fiber = createFiberFromProfiler(new profiler.Profiler());6console.log(fiber);7const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');8const fiber = createFiberFromProfiler(new profiler.Profiler());9console.log(fiber);10const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');11const fiber = createFiberFromProfiler(new profiler.Profiler());12console.log(fiber);13const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');14const fiber = createFiberFromProfiler(new profiler.Profiler());15console.log(fiber);16const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');17const fiber = createFiberFromProfiler(new profiler.Profiler());18console.log(fiber);19const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');20const fiber = createFiberFromProfiler(new profiler.Profiler());21console.log(fiber);22const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');23const fiber = createFiberFromProfiler(new profiler.Profiler());24console.log(fiber);25const { createFiberFromProfiler } = require('playwright/lib/server/profiler/fiber');26const fiber = createFiberFromProfiler(new profiler.Profiler());27console.log(fiber);28const { createFiberFromProfiler } = require('

Using AI Code Generation

1const { createFiberFromProfiler } = require('playwright/lib/server/profiler/profiler.js');2const fiber = createFiberFromProfiler(profiler);3const data = fiber.data();4const name = fiber.name();5const parent = fiber.parent();6const children = fiber.children();7const duration = fiber.duration();8const startTime = fiber.startTime();9const commitTime = fiber.commitTime();10const actualDuration = fiber.actualDuration();11const treeBaseDuration = fiber.treeBaseDuration();12const selfBaseDuration = fiber.selfBaseDuration();13const actualStartTime = fiber.actualStartTime();14const selfDuration = fiber.selfDuration();15const childDuration = fiber.childDuration();16const depth = fiber.depth();17const isTimedOut = fiber.isTimedOut();18const isScheduled = fiber.isScheduled();19const isStarted = fiber.isStarted();20const isDone = fiber.isDone();21const isCancelled = fiber.isCancelled();22const isYielded = fiber.isYielded();23const isSuspended = fiber.isSuspended();24const isSuspendedWithDelay = fiber.isSuspendedWithDelay();25const isSuspendedWithCount = fiber.isSuspendedWithCount();

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.