Best JavaScript code snippet using playwright-internal
commitRootImpl.js
Source:commitRootImpl.js  
...118        // work is current during componentDidMount/Update.119        root.current = finishedWork; // The next phase is the layout phase, where we call effects that read120        // the host tree after it's been mutated. The idiomatic use case for this is121        // layout, but class component lifecycles also fire here for legacy reasons.122        startCommitLifeCyclesTimer();123        nextEffect = firstEffect;124        do {125            {126                invokeGuardedCallback(null, commitLayoutEffects, null, root, expirationTime);127                if (hasCaughtError()) {128                    (function () {129                        if (!(nextEffect !== null)) {130                            {131                                throw ReactError(Error("Should be working on an effect."));132                            }133                        }134                    })();135                    var _error2 = clearCaughtError();136                    captureCommitPhaseError(nextEffect, _error2);137                    nextEffect = nextEffect.nextEffect;138                }139            }140        } while (nextEffect !== null);141        stopCommitLifeCyclesTimer();142        nextEffect = null; // Tell Scheduler to yield at the end of the frame, so the browser has an143        // opportunity to paint.144        requestPaint();145        if (enableSchedulerTracing) {146            popInteractions(prevInteractions);147        }148        executionContext = prevExecutionContext;149    } else {150        // No effects.151        root.current = finishedWork; // Measure these anyway so the flamegraph explicitly shows that there were152        // no effects.153        // TODO: Maybe there's a better way to report this.154        startCommitSnapshotEffectsTimer();155        stopCommitSnapshotEffectsTimer();156        if (enableProfilerTimer) {157            recordCommitTime();158        }159        startCommitHostEffectsTimer();160        stopCommitHostEffectsTimer();161        startCommitLifeCyclesTimer();162        stopCommitLifeCyclesTimer();163    }164    stopCommitTimer();165    var rootDidHavePassiveEffects = rootDoesHavePassiveEffects;166    if (rootDoesHavePassiveEffects) {167        // This commit has passive effects. Stash a reference to them. But don't168        // schedule a callback until after flushing layout work.169        rootDoesHavePassiveEffects = false;170        rootWithPendingPassiveEffects = root;171        pendingPassiveEffectsExpirationTime = expirationTime;172        pendingPassiveEffectsRenderPriority = renderPriorityLevel;173    } else {174        // We are done with the effect chain at this point so let's clear the175        // nextEffect pointers to assist with GC. If we have passive effects, we'll...9e179fc13200d2193ed307f9e8ef706bf8a938ReactDebugFiberPerf.js
Source:9e179fc13200d2193ed307f9e8ef706bf8a938ReactDebugFiberPerf.js  
...243      var count = effectCountInCurrentCommit;244      effectCountInCurrentCommit = 0;245      endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);246    },247    startCommitLifeCyclesTimer: function startCommitLifeCyclesTimer() {248      if (!supportsUserTiming) {249        return;250      }251      effectCountInCurrentCommit = 0;252      beginMark('(Calling Lifecycle Methods)');253    },254    stopCommitLifeCyclesTimer: function stopCommitLifeCyclesTimer() {255      if (!supportsUserTiming) {256        return;257      }258      var count = effectCountInCurrentCommit;259      effectCountInCurrentCommit = 0;260      endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);261    }...ff57d384a1eba98bac9839dbff1644299f329bReactDebugFiberPerf.js
Source:ff57d384a1eba98bac9839dbff1644299f329bReactDebugFiberPerf.js  
...243      var count = effectCountInCurrentCommit;244      effectCountInCurrentCommit = 0;245      endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);246    },247    startCommitLifeCyclesTimer: function startCommitLifeCyclesTimer() {248      if (!supportsUserTiming) {249        return;250      }251      effectCountInCurrentCommit = 0;252      beginMark('(Calling Lifecycle Methods)');253    },254    stopCommitLifeCyclesTimer: function stopCommitLifeCyclesTimer() {255      if (!supportsUserTiming) {256        return;257      }258      var count = effectCountInCurrentCommit;259      effectCountInCurrentCommit = 0;260      endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);261    }...8ec0cad398189e3276bc40a8a1418f17101225ReactDebugFiberPerf.js
Source:8ec0cad398189e3276bc40a8a1418f17101225ReactDebugFiberPerf.js  
...243      var count = effectCountInCurrentCommit;244      effectCountInCurrentCommit = 0;245      endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);246    },247    startCommitLifeCyclesTimer: function startCommitLifeCyclesTimer() {248      if (!supportsUserTiming) {249        return;250      }251      effectCountInCurrentCommit = 0;252      beginMark('(Calling Lifecycle Methods)');253    },254    stopCommitLifeCyclesTimer: function stopCommitLifeCyclesTimer() {255      if (!supportsUserTiming) {256        return;257      }258      var count = effectCountInCurrentCommit;259      effectCountInCurrentCommit = 0;260      endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);261    }...0fb87b51f6bc8bb35184cc17bf03194644d265ReactDebugFiberPerf.js
Source:0fb87b51f6bc8bb35184cc17bf03194644d265ReactDebugFiberPerf.js  
...243      var count = effectCountInCurrentCommit;244      effectCountInCurrentCommit = 0;245      endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);246    },247    startCommitLifeCyclesTimer: function startCommitLifeCyclesTimer() {248      if (!supportsUserTiming) {249        return;250      }251      effectCountInCurrentCommit = 0;252      beginMark('(Calling Lifecycle Methods)');253    },254    stopCommitLifeCyclesTimer: function stopCommitLifeCyclesTimer() {255      if (!supportsUserTiming) {256        return;257      }258      var count = effectCountInCurrentCommit;259      effectCountInCurrentCommit = 0;260      endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);261    }...65145be7752ce94caa6a325f59ed5ff737f64dReactDebugFiberPerf.js
Source:65145be7752ce94caa6a325f59ed5ff737f64dReactDebugFiberPerf.js  
...243      var count = effectCountInCurrentCommit;244      effectCountInCurrentCommit = 0;245      endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);246    },247    startCommitLifeCyclesTimer: function startCommitLifeCyclesTimer() {248      if (!supportsUserTiming) {249        return;250      }251      effectCountInCurrentCommit = 0;252      beginMark('(Calling Lifecycle Methods)');253    },254    stopCommitLifeCyclesTimer: function stopCommitLifeCyclesTimer() {255      if (!supportsUserTiming) {256        return;257      }258      var count = effectCountInCurrentCommit;259      effectCountInCurrentCommit = 0;260      endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);261    }...a223d16736661d1c94fcb9c8bcc319ad15dbd1ReactDebugFiberPerf.js
Source:a223d16736661d1c94fcb9c8bcc319ad15dbd1ReactDebugFiberPerf.js  
...243      var count = effectCountInCurrentCommit;244      effectCountInCurrentCommit = 0;245      endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);246    },247    startCommitLifeCyclesTimer: function startCommitLifeCyclesTimer() {248      if (!supportsUserTiming) {249        return;250      }251      effectCountInCurrentCommit = 0;252      beginMark('(Calling Lifecycle Methods)');253    },254    stopCommitLifeCyclesTimer: function stopCommitLifeCyclesTimer() {255      if (!supportsUserTiming) {256        return;257      }258      var count = effectCountInCurrentCommit;259      effectCountInCurrentCommit = 0;260      endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);261    }...finishSyncRender.js
Source:finishSyncRender.js  
...96        root.current = finishedWork;97        // The next phase is the layout phase, where we call effects that read98        // the host tree after it's been mutated. The idiomatic use case for this is99        // layout, but class component lifecycles also fire here for legacy reasons.100        startCommitLifeCyclesTimer();101        nextEffect = firstEffect;102        do {103            if (__DEV__) {104                invokeGuardedCallback(105                    null,106                    commitLayoutEffects,107                    null,108                    root,109                    expirationTime,110                );111                if (hasCaughtError()) {112                    invariant(nextEffect !== null, 'Should be working on an effect.');113                    const error = clearCaughtError();114                    captureCommitPhaseError(nextEffect, error);115                    nextEffect = nextEffect.nextEffect;116                }117            } else {118                try {119                    commitLayoutEffects(root, expirationTime);120                } catch (error) {121                    invariant(nextEffect !== null, 'Should be working on an effect.');122                    captureCommitPhaseError(nextEffect, error);123                    nextEffect = nextEffect.nextEffect;124                }125            }126        } while (nextEffect !== null);127        stopCommitLifeCyclesTimer();128        nextEffect = null;129        // Tell Scheduler to yield at the end of the frame, so the browser has an130        // opportunity to paint.131        requestPaint();132        if (enableSchedulerTracing) {133            popInteractions(((prevInteractions: any): Set < Interaction > ));134        }135        executionContext = prevExecutionContext;136    } else {137        // No effects.138        root.current = finishedWork;139        // Measure these anyway so the flamegraph explicitly shows that there were140        // no effects.141        // TODO: Maybe there's a better way to report this.142        startCommitSnapshotEffectsTimer();143        stopCommitSnapshotEffectsTimer();144        if (enableProfilerTimer) {145            recordCommitTime();146        }147        startCommitHostEffectsTimer();148        stopCommitHostEffectsTimer();149        startCommitLifeCyclesTimer();150        stopCommitLifeCyclesTimer();...Using AI Code Generation
1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch({ headless: false });4  const page = await browser.newPage();5  await page.screenshot({ path: `example.png` });6  await browser.close();7})();8const playwright = require('playwright');9(async () => {10  const browser = await playwright.chromium.launch({ headless: false });11  const page = await browser.newPage();12  await page.screenshot({ path: `example.png` });13  await browser.close();14})();15const playwright = require('playwright');16(async () => {17  const browser = await playwright.chromium.launch({ headless: false });18  const page = await browser.newPage();19  await page.screenshot({ path: `example.png` });20  await browser.close();21})();Using AI Code Generation
1const { startCommitLifeCyclesTimer } = require('playwright/lib/server/supplements/recorder/recorderSupplement');2startCommitLifeCyclesTimer();3const { stopCommitLifeCyclesTimer } = require('playwright/lib/server/supplements/recorder/recorderSupplement');4stopCommitLifeCyclesTimer();5const { getCommitLifeCycles } = require('playwright/lib/server/supplements/recorder/recorderSupplement');6getCommitLifeCycles();7const { setCommitLifeCycles } = require('playwright/lib/server/supplements/recorder/recorderSupplement');8setCommitLifeCycles([]);9const { getCommitLifeCycles } = require('playwright/lib/server/supplements/recorder/recorderSupplement');10getCommitLifeCycles();11const { getActionList } = require('playwright/lib/server/supplements/recorder/recorderSupplement');12getActionList();13const { setActionList } = require('playwright/lib/server/supplements/recorder/recorderSupplement');14setActionList([]);15const { getActionList } = require('playwright/lib/server/supplements/recorder/recorderSupplement');16getActionList();17const { getActionList } = require('playwright/lib/server/supplements/recorder/recorderSupplement');18getActionList();19const { getActionList } = require('playwright/lib/server/supplements/recorder/recorderSupplement');20getActionList();21const { getActionList } = require('playwright/lib/server/supplements/recorder/recorderSupplement');22getActionList();23const { getActionList } = require('playwright/lib/serverUsing AI Code Generation
1const playwright = require('playwright');2const { startCommitLifeCyclesTimer } = require('playwright/lib/server/chromium/crBrowser');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  startCommitLifeCyclesTimer(page);8  await page.waitForTimeout(10000);9  await browser.close();10})();11const { test, expect } = require('@playwright/test');12test('test', async ({ page }) => {13  await page.waitForTimeout(10000);14});15const { test, expect } = require('@playwright/test');16test('test', async ({ page }) => {17  await page.waitForTimeout(20000);18});19const { test, expect } = require('@playwright/test');20test('test', async ({ page }) => {21  await page.waitForTimeout(30000);22});23const { test, expect } = require('@playwright/test');24test('test', async ({ page }) => {25  await page.waitForTimeout(40000);26});27const { test, expect } = require('@playwright/test');28test('test', async ({ page }) => {29  await page.waitForTimeout(50000);30});31const { test, expect } = require('@playwright/test');32test('test', async ({ page }) => {33  await page.waitForTimeout(60000);34});35const { test, expect } = require('@playwright/test');36test('test', async ({ page }) => {37  await page.waitForTimeout(70000);38});39const { test, expect } = require('@playwright/test');40test('test', async ({ page }) => {41  await page.goto('httpsUsing AI Code Generation
1const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');2startCommitLifeCyclesTimer();3const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');4startCommitLifeCyclesTimer();5const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');6startCommitLifeCyclesTimer();7const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');8startCommitLifeCyclesTimer();9const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');10startCommitLifeCyclesTimer();11const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');12startCommitLifeCyclesTimer();13const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');14startCommitLifeCyclesTimer();15const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');16startCommitLifeCyclesTimer();17const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');18startCommitLifeCyclesTimer();19const { startCommitLifeCyclesTimer } = require('playwright/lib/server/trace/recorder/recorderApp');20startCommitLifeCyclesTimer();Using AI Code Generation
1await page.startCommitLifeCyclesTimer();2await page.stopCommitLifeCyclesTimer();3await page.startCommitLifeCyclesTimer();4await page.stopCommitLifeCyclesTimer();5await page.startCommitLifeCyclesTimer();6await page.stopCommitLifeCyclesTimer();7await page.startCommitLifeCyclesTimer();8await page.stopCommitLifeCyclesTimer();9await page.startCommitLifeCyclesTimer();10await page.stopCommitLifeCyclesTimer();11await page.startCommitLifeCyclesTimer();12await page.stopCommitLifeCyclesTimer();13await page.startCommitLifeCyclesTimer();14await page.stopCommitLifeCyclesTimer();15await page.startCommitLifeCyclesTimer();16await page.stopCommitLifeCyclesTimer();17await page.startCommitLifeCyclesTimer();Using AI Code Generation
1const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');2startCommitLifeCyclesTimer();3const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');4startCommitLifeCyclesTimer();5const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');6startCommitLifeCyclesTimer();7const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');8startCommitLifeCyclesTimer();9const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');10startCommitLifeCyclesTimer();11const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');12startCommitLifeCyclesTimer();13const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');14startCommitLifeCyclesTimer();15const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');16startCommitLifeCyclesTimer();17const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');18startCommitLifeCyclesTimer();19const { startCommitLifeCyclesTimer } = require('playwright/lib/server/proxyServer');20startCommitLifeCyclesTimer();21const { startUsing AI Code Generation
1const playwright = require('playwright');2const { startCommitLifeCyclesTimer } = playwright._internal;3const { Page } = require('playwright/lib/server/page');4const { BrowserContext } = require('playwright/lib/server/browserContext');5const { Browser } = require('playwright/lib/server/browser');6const { BrowserServer } = require('playwright/lib/server/browserServer');7startCommitLifeCyclesTimer(Page, 'Page');8startCommitLifeCyclesTimer(BrowserContext, 'BrowserContext');9startCommitLifeCyclesTimer(Browser, 'Browser');10startCommitLifeCyclesTimer(BrowserServer, 'BrowserServer');11(async () => {12  const browser = await playwright.chromium.launch();13  const context = await browser.newContext();14  const page = await context.newPage();15  await page.screenshot({ path: `example.png` });16  await browser.close();17})();18const playwright = require('playwright');19const { stopCommitLifeCyclesTimer } = playwright._internal;20stopCommitLifeCyclesTimer('Page');21stopCommitLifeCyclesTimer('BrowserContext');22stopCommitLifeCyclesTimer('Browser');23stopCommitLifeCyclesTimer('BrowserServer');24const fs = require('fs');25const path = require('path');26const { chromium } = require('playwright');27const { startTrace, stopTrace } = require('@tracerbench/trace-event');28(async () => {29  await startTrace();30  const browser = await chromium.launch();31  const page = await browser.newPage();32  await page.screenshot({ path: `example.png` });33  await browser.close();34  const trace = await stopTrace();35  fs.writeFileSync(path.join(__dirname, 'trace.json'), JSON.stringify(trace));36})();37const playwright = require('playwright');38const { startCommitLifeCyclesTimer } = playwright._internal;39const { Page } = require('playwright/lib/server/page');Using AI Code Generation
1const { test, expect } = require('@playwright/test');2const { startCommitLifeCyclesTimer } = require('@playwright/test/lib/runner');3test.describe('My Test Suite', () => {4  test.beforeEach(async ({ page }) => {5    startCommitLifeCyclesTimer();6  });7  test.afterEach(async ({ page }) => {8    const data = await page.evaluate(() => window.playwrightLifeCyclesTimerData);9    console.log(data);10  });11  test('My Test Case', async ({ page }) => {12  });13});14{15  "commitLifeCyclesTimer": {16      {17      },18      {19      }20  }21}Using AI Code Generation
1const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');2startCommitLifeCyclesTimer();3const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');4startCommitLifeCyclesTimer();5const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');6startCommitLifeCyclesTimer();7const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');8startCommitLifeCyclesTimer();9const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');10startCommitLifeCyclesTimer();11const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');12startCommitLifeCyclesTimer();13const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recorderApp');14startCommitLifeCyclesTimer();15const {startCommitLifeCyclesTimer} = require('playwright/lib/server/trace/recorder/recUsing AI Code Generation
1const { chromium } = require('playwright');2const { startCommitLifeCyclesTimer, stopCommitLifeCyclesTimer } = require('playwright/lib/internal/recorder');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await startCommitLifeCyclesTimer(page);8  await stopCommitLifeCyclesTimer(page);9  await browser.close();10})();11const { chromium } = require('playwright');12const { startCommitLifeCyclesTimer, stopCommitLifeCyclesTimer } = require('playwright/lib/internal/recorder');13(async () => {14  const browser = await chromium.launch({ args: ['--trace-commits'] });15  const context = await browser.newContext();16  const page = await context.newPage();17  await startCommitLifeCyclesTimer(page);18  await stopCommitLifeCyclesTimer(page);19  await browser.close();20})();21const { chromium } = require('playwright');22const { startCommitLifeCyclesTimer, stopCommitLifeCyclesTimer } = require('playwright/lib/internal/recorder');23(async () => {24  const browser = await chromium.launch();25  const context = await browser.newContext({ trace: 'trace' });26  const page = await context.newPage();27  await startCommitLifeCyclesTimer(page);28  await stopCommitLifeCyclesTimer(page);29  await browser.close();30})();31const { chromium } = require('playwright');32const { startCommitLifeCyclesTimer, stopCommitLifeCyclesTimer } = require('playwright/lib/internal/recorder');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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