Best JavaScript code snippet using playwright-internal
DOMEventProperties.js
Source:DOMEventProperties.js  
...25   * ]);26   *27   * and registers them.28   */29  function registerSimplePluginEventsAndSetTheirPriorities(eventTypes, priority) {30    // As the event types are in pairs of two, we need to iterate31    // through in twos. The events are in pairs of two to save code32    // and improve init perf of processing this array, as it will33    // result in far fewer object allocations and property accesses34    // if we only use three arrays to process all the categories of35    // instead of tuples.36    for (var i = 0; i < eventTypes.length; i += 2) {37      var topEvent = eventTypes[i];38      var event = eventTypes[i + 1];39      var capitalizedEvent = event[0].toUpperCase() + event.slice(1);40      var reactName = 'on' + capitalizedEvent;41      eventPriorities.set(topEvent, priority);42      topLevelEventsToReactNames.set(topEvent, reactName);43      registerTwoPhaseEvent(reactName, [topEvent]);44    }45  }46  function setEventPriorities(eventTypes, priority) {47    for (var i = 0; i < eventTypes.length; i++) {48      eventPriorities.set(eventTypes[i], priority);49    }50  }51  function getEventPriorityForPluginSystem(domEventName) {52    var priority = eventPriorities.get(domEventName); // Default to a ContinuousEvent. Note: we might53    // want to warn if we can't detect the priority54    // for the event.55    return priority === undefined ? ContinuousEvent : priority;56  }57  function registerSimpleEvents() {58    registerSimplePluginEventsAndSetTheirPriorities(discreteEventPairsForSimpleEventPlugin, DiscreteEvent);59    registerSimplePluginEventsAndSetTheirPriorities(userBlockingPairsForSimpleEventPlugin, UserBlockingEvent);60    registerSimplePluginEventsAndSetTheirPriorities(continuousPairsForSimpleEventPlugin, ContinuousEvent);61    setEventPriorities(otherDiscreteEvents, DiscreteEvent);...Using AI Code Generation
1const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright-core/lib/server/chromium/crBrowser');2registerSimplePluginEventsAndSetTheirPriorities([3  {4  },5  {6  },7  {8  },9]);10const { chromium } = require('playwright-core');11(async () => {12  const browser = await chromium.launch({ headless: false });13  const context = await browser.newContext();14  const page = await context.newPage();15  await page.screenshot({ path: 'google.png' });16  await browser.close();17})();18module.exports = {19  use: {20    viewport: { width: 1280, height: 720 },21  },22};23module.exports = {24  use: {25    viewport: { width: 1280, height: 720 },26  },27};28const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright-core/lib/server/chromium/crBrowser');29registerSimplePluginEventsAndSetTheirPriorities([30  {31  },32  {33  },34  {35  },36]);37const { chromium } = require('playwright-core');38(async () => {39  const browser = await chromium.launch({ headless: false });40  const context = await browser.newContext();41  const page = await context.newPage();42  await page.screenshot({ path: 'google.png'Using AI Code Generation
1const playwright = require('playwright');2const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright/lib/server/plugin');3const { BrowserServer } = require('playwright/lib/server/browserServer');4const { BrowserContext } = require('playwright/lib/server/browserContext');5const { Page } = require('playwright/lib/server/page');6const { Worker } = require('playwright/lib/server/worker');7registerSimplePluginEventsAndSetTheirPriorities([8    {9            { name: 'browserServerCreated', handler: (browserServer) => { console.log('browserServerCreated', browserServer); }, priority: 0 },10            { name: 'browserServerClosed', handler: (browserServer) => { console.log('browserServerClosed', browserServer); }, priority: 0 },11            { name: 'browserContextCreated', handler: (browserContext) => { console.log('browserContextCreated', browserContext); }, priority: 0 },12            { name: 'browserContextDestroyed', handler: (browserContext) => { console.log('browserContextDestroyed', browserContext); }, priority: 0 },13            { name: 'pageCreated', handler: (page) => { console.log('pageCreated', page); }, priority: 0 },14            { name: 'pageClosed', handler: (page) => { console.log('pageClosed', page); }, priority: 0 },15            { name: 'workerCreated', handler: (worker) => { console.log('workerCreated', worker); }, priority: 0 },16            { name: 'workerDestroyed', handler: (worker) => { console.log('workerDestroyed', worker); }, priority: 0 }17    }18]);19(async () => {20    const browser = await playwright.chromium.launch();21    const browserServer = await browser.server();22    const browserContext = await browser.newContext();23    const page = await browserContext.newPage();24    const worker = await page.evaluateHandle(() => new Worker(URL.createObjectURL(new Blob(['console.log("Hi from worker")'], { type: 'application/javascript' }))));25    await browser.close();26})();Using AI Code Generation
1const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright/lib/server/trace/recorder/plugins');2const myPlugin = require('./myPlugin');3registerSimplePluginEventsAndSetTheirPriorities(myPlugin, { priority: 'high' });4module.exports = {5    {6      async onBeforeCall(sdkObject, callMetadata, args) {7        console.log('myEvent onBeforeCall is called');8      },9    },10};Using AI Code Generation
1const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright/lib/utils/pluginEvents');2registerSimplePluginEventsAndSetTheirPriorities([3  {4  },5]);6const { test, expect } = require('@playwright/test');7test('my custom event', async ({ page }) => {8  await page.evaluate(() => {9    document.dispatchEvent(new CustomEvent('myCustomEvent'));10  });11  await expect(page).toHaveEvent('myCustomEvent');12});13const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright/lib/utils/pluginEvents');14registerSimplePluginEventsAndSetTheirPriorities([15  {16  },17]);18const { test, expect } = require('@playwright/test');19test('my custom event', async ({ page }) => {20  await page.evaluate(() => {21    document.dispatchEvent(new CustomEvent('myCustomEvent'));22  });23  await expect(page).toHaveEvent('myCustomEvent');24});25const { test, expect } = require('@playwright/test');26test('my custom event', async ({ page }) => {27  await page.evaluate(() => {28    document.dispatchEvent(new CustomEvent('myCustomEvent'));29  });30  await expect(page).toHaveEvent('myCustomEvent');31}, { events: ['myCustomEvent'] });Using AI Code Generation
1const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright/lib/utils/pluginEvents');2const { Page } = require('playwright');3registerSimplePluginEventsAndSetTheirPriorities(Page, [4  {5  },6  {7  },8  {9  }10]);11const { registerCustomPluginEventsAndSetTheirPriorities } = require('playwright/lib/utils/pluginEvents');12const { Page } = require('playwright');13registerCustomPluginEventsAndSetTheirPriorities(Page, [14  {15  },16  {17  }18]);19const { registerCustomPluginEventsAndSetTheirPriorities } = require('playwright/lib/utils/pluginEvents');20const { Page } = require('playwright');21registerCustomPluginEventsAndSetTheirPriorities(Page, [22  {23  },24  {25  }26]);27const { registerCustomPluginEventsAndSetTheirPriorities } = require('playwright/lib/utils/pluginEvents');28const { Page } = require('playwright');Using AI Code Generation
1const playwright = require('playwright');2const { registerSimplePluginEventsAndSetTheirPriorities } = require('playwright/lib/internal/pluginEvents');3const { BrowserContext } = require('playwright/lib/server/browserContext');4const { Page } = require('playwright/lib/server/page');5const { Frame } = require('playwright/lib/server/frames');6registerSimplePluginEventsAndSetTheirPriorities([7  {8  },9  {10  },11  {12  }13]);14(async () => {15  const browser = await playwright.chromium.launch();16  const context = await browser.newContext();17  const page = await context.newPage();18  await page.waitForSelector('text=Docs');19  const docsPage = await context.waitForEvent('page');20  const docsFrame = docsPage.mainFrame();21  await docsPage.waitForSelector('text=API');22  await docsFrame.waitForSelector('text=BrowserContext');23  await browser.close();24})();25module.exports = {26  use: {27    viewport: { width: 1920, height: 1080 },28  }29};30import { test, expect } from '@playwright/test';31test('basic test', async ({ page }) => {32  expect(await page.textContent('.navbar__inner')).toContain('Playwright');33});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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