How to use startProfilerTimer method in Playwright Internal

Best JavaScript code snippet using playwright-internal

ReactProfilerTimer.js

Source: ReactProfilerTimer.js Github

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...11import {now} from './​ReactFiberHostConfig';12export type ProfilerTimer = {13 getCommitTime(): number,14 recordCommitTime(): void,15 startProfilerTimer(fiber: Fiber): void,16 stopProfilerTimerIfRunning(fiber: Fiber): void,17 stopProfilerTimerIfRunningAndRecordDelta(fiber: Fiber): void,18};19let commitTime: number = 0;20let profilerStartTime: number = -1;21function getCommitTime(): number {22 return commitTime;23}24function recordCommitTime(): void {25 if (!enableProfilerTimer) {26 return;27 }28 commitTime = now();29}30function startProfilerTimer(fiber: Fiber): void {31 if (!enableProfilerTimer) {32 return;33 }34 profilerStartTime = now();35 if (((fiber.actualStartTime: any): number) < 0) {36 fiber.actualStartTime = now();37 }38}39function stopProfilerTimerIfRunning(fiber: Fiber): void {40 if (!enableProfilerTimer) {41 return;42 }43 profilerStartTime = -1;44}...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false, slowMo: 50 });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.click('text=Get started');7 await page.click('text=Docs');8 await page.click('text=API');9 await page.click('text=class: Page');10 await page.click('text=click');11 await page.click('text=Examples');12 await page.click('text=Check that element is visible');13 await page.click('text=Run');14 await browser.close();15})();

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Using AI Code Generation

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1const { startProfilerTimer } = require('@playwright/​test/​lib/​utils/​profiler');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 timer = startProfilerTimer(page);8 await page.screenshot({ path: 'example.png' });9 const profile = await timer.stop();10 console.log(JSON.stringify(profile, null, 2));11 await browser.close();12})();13### `startProfilerTimer(page: Page): Timer`14#### `timer.stop(): Promise<Profile>`

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Using AI Code Generation

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1const { startProfilerTimer } = require('@playwright/​test/​lib/​utils/​profiler');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 timer = startProfilerTimer();8 await page.screenshot({ path: `example.png` });9 const time = timer();10 console.log(`Time to take screenshot: ${time}ms`);11 await browser.close();12})();13const { chromium } = require('playwright');14const { test, expect } = require('@playwright/​test');15const { startProfilerTimer } = require('@playwright/​test/​lib/​utils/​profiler');16test('My test', async ({ page }) => {17 const timer = startProfilerTimer();18 await page.screenshot({ path: `example.png` });19 const time = timer();20 console.log(`Time to take screenshot: ${time}ms`);21});22[MIT](LICENSE)

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.click('text=Get started');6 await page.screenshot({ path: `example.png` });7 await browser.close();8})();

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Using AI Code Generation

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1const { startProfilerTimer } = require('playwright');2const { startProfilerTimer } = require('playwright');3const { chromium } = require('playwright');4(async () => {5 const browser = await chromium.launch();6 const page = await browser.newPage();7 await page.screenshot({ path: 'google.png' });8 await browser.close();9})();

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Using AI Code Generation

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1const playwright = require("playwright");2(async () => {3 const browser = await playwright["chromium"].launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.startProfiler();7 const profile = await page.stopProfiler();8 await profile.write(9 );10 await browser.close();11})();

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Using AI Code Generation

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1const { startProfilerTimer } = require('@playwright/​test');2const timer = startProfilerTimer('my timer');3timer.stop();4### How to use the `stopProfilerTimer()` method5const { startProfilerTimer, stopProfilerTimer } = require('@playwright/​test');6const timer = startProfilerTimer('my timer');7timer.stop();8const timeDiff = stopProfilerTimer(timer);9console.log(timeDiff);10### How to use the `getProfilerTimer()` method11const { startProfilerTimer, stopProfilerTimer, getProfilerTimer } = require('@playwright/​test');12const timer = startProfilerTimer('my timer');13timer.stop();14const timeDiff = getProfilerTimer(timer);15console.log(timeDiff);16### How to use the `startProfilerTracing()` method17const { startProfilerTracing } = require('@playwright/​test');18await startProfilerTracing(page, 'trace.json');19### How to use the `stopProfilerTracing()` method20const { startProfilerTracing, stopProfilerTracing } = require

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StackOverFlow community discussions

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Discussion

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I played with your example for a while and I got the same errors. These are the things I found that made my example work:

It must be Linux. I know that you mentioned that you picked a Linux plan. But I found that in VS Code that part is hidden, and on the Web the default is Windows. This is important because only the Linux plan runs npm install on the server.

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Make sure that you are building on the server. You can find this option in the VS Code Settings:

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Make sure you set the environment variable PLAYWRIGHT_BROWSERS_PATH, before making the publish.

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https://stackoverflow.com/questions/63949978/running-playwright-in-azure-function

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