Best JavaScript code snippet using playwright-internal
merge-hook.js
Source:merge-hook.js  
1/* @flow */2import VNode from '../vnode'3import { createFnInvoker } from './update-listeners'4import { remove, isDef, isUndef, isTrue } from 'shared/util'5export function mergeVNodeHook (def: Object, hookKey: string, hook: Function) {6  if (def instanceof VNode) {7    def = def.data.hook || (def.data.hook = {})8  }9  let invoker10  const oldHook = def[hookKey]11  function wrappedHook () {12    hook.apply(this, arguments)13    // important: remove merged hook to ensure it's called only once14    // and prevent memory leak15    remove(invoker.fns, wrappedHook)16  }17  if (isUndef(oldHook)) {18    // no existing hook19    invoker = createFnInvoker([wrappedHook])20  } else {21    /* istanbul ignore if */22    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {23      // already a merged invoker24      invoker = oldHook25      invoker.fns.push(wrappedHook)26    } else {27      // existing plain hook28      invoker = createFnInvoker([oldHook, wrappedHook])29    }30  }31  invoker.merged = true32  def[hookKey] = invoker...Using AI Code Generation
1const { webkit } = require('playwright');2const { wrappedHook } = require('playwright/lib/server/chromium/crBrowser');3(async () => {4  const browser = await webkit.launch();5  const page = await browser.newPage();6  await wrappedHook(page, 'on', 'response', (response) => {7    console.log(response.url());8  });9  await browser.close();10})();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  page._wrapHook('on', (name, callback) => {7    return (...args) => {8      console.log(`Hook: ${name}`);9      return callback(...args);10    };11  });12  await browser.close();13})();Using AI Code Generation
1const { wrappedHook } = require('@playwright/test/lib/server/trace/recorder');2const { trace } = require('@playwright/test');3const { chromium } = require('playwright');4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  await wrappedHook(trace, 'start', page, { screenshots: true, snapshots: true });9  await wrappedHook(trace, 'stop', page);10  await browser.close();11})();12const test = require('@playwright/test');13test('test', async ({ page }) => {14});15const { chromium } = require('playwright');16const { test } = require('@playwright/test');17(async () => {18  const browser = await chromium.launch();19  const context = await browser.newContext();20  const page = await context.newPage();21  await test.runWithTracing(page, { screenshots: true, snapshots: true }, async () => {22  });23  await browser.close();24})();25const test = require('@playwright/test');26test('test', async ({ page }) => {27});Using AI Code Generation
1const { wrappedHook } = require('@playwright/test/lib/runner');2const { test } = require('@playwright/test');3test.describe('test', () => {4  wrappedHook('beforeAll', async ({}, testInfo) => {5    console.log('beforeAll');6  });7  wrappedHook('beforeEach', async ({}, testInfo) => {8    console.log('beforeEach');9  });10  wrappedHook('afterEach', async ({}, testInfo) => {11    console.log('afterEach');12  });13  wrappedHook('afterAll', async ({}, testInfo) => {14    console.log('afterAll');15  });16  test('test', async ({}) => {17    console.log('test');18  });19});Using AI Code Generation
1const { wrappedHook } = require('playwright-internal');2describe('My test', () => {3  wrappedHook('beforeAll', async () => {4  });5  test('My test', async () => {6  });7});Using AI Code Generation
1const { wrappedHook } = require('playwright/lib/server/trace/recorder')2const { test } = require('@playwright/test');3test.describe('My Test', () => {4  test.beforeEach(async ({ page }) => {5    await wrappedHook('beforeEach', page, async () => {6    })7  })8  test('My Test', async ({ page }) => {9  })10})11const { wrappedHook } = require('@playwright/test/lib/server/trace/recorder');12const { wrappedHook } = require('@playwright/test/lib/server/trace/recorder');13const { wrappedHook } = require('@playwright/test/lib/server/trace/recorder');Using AI Code Generation
1const { wrappedHook } = require('playwright/lib/server/frames');2const { frame } = require('playwright/lib/server/chromium/crPage');3const { Page } = require('playwright/lib/server/page');4const { wrappedHook } = require('playwright/lib/server/frames');5const { frame } = require('playwright/lib/server/chromium/crPage');6const { Page } = require('playwright/lib/server/page');7const { wrappedHook } = require('playwright/lib/server/frames');8const { frame } = require('playwright/lib/server/chromium/crPage');9const { Page } = require('playwright/lib/server/page');10const { wrappedHook } = require('playwright/lib/server/frames');11const { frame } = require('playwright/lib/server/chromium/crPage');12const { Page } = require('playwright/lib/server/page');13const { wrappedHook } = require('playwright/lib/server/frames');14const { frame } = require('playwright/lib/server/chromium/crPage');15const { Page } = require('playwright/lib/server/page');16const { wrappedHook } = require('playwright/lib/server/frames');17const { frame } = require('playwright/lib/server/chromium/crPage');18const { Page } = require('playwright/lib/server/page');19const { wrappedHook } = require('playwright/lib/server/frames');20const { frame } = require('playwright/lib/server/chromium/crPage');21const { Page } = require('playwright/lib/server/page');22const { wrappedHook } = require('playwright/lib/server/frames');23const { frame } = require('playwright/lib/server/chromium/crPage');24const { Page } = require('playwright/lib/server/page');25const { wrappedHook } = require('playwright/lib/server/frames');26const { frame } = require('playwright/lib/server/chromium/crPage');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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