Best JavaScript code snippet using playwright-internal
EventPluginRegistry.src.js
Source:EventPluginRegistry.src.js  
...19      ("production" !== process.env.NODE_ENV ? invariant(PluginModule.extractEvents, 'EventPluginRegistry: Event plugins must implement an `extractEvents` ' + 'method, but `%s` does not.', pluginName) : invariant(PluginModule.extractEvents));20      EventPluginRegistry.plugins[pluginIndex] = PluginModule;21      var publishedEvents = PluginModule.eventTypes;22      for (var eventName in publishedEvents) {23        ("production" !== process.env.NODE_ENV ? invariant(publishEventForPlugin(publishedEvents[eventName], PluginModule, eventName), 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', eventName, pluginName) : invariant(publishEventForPlugin(publishedEvents[eventName], PluginModule, eventName)));24      }25    }26  }27  function publishEventForPlugin(dispatchConfig, PluginModule, eventName) {28    ("production" !== process.env.NODE_ENV ? invariant(!EventPluginRegistry.eventNameDispatchConfigs.hasOwnProperty(eventName), 'EventPluginHub: More than one plugin attempted to publish the same ' + 'event name, `%s`.', eventName) : invariant(!EventPluginRegistry.eventNameDispatchConfigs.hasOwnProperty(eventName)));29    EventPluginRegistry.eventNameDispatchConfigs[eventName] = dispatchConfig;30    var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;31    if (phasedRegistrationNames) {32      for (var phaseName in phasedRegistrationNames) {33        if (phasedRegistrationNames.hasOwnProperty(phaseName)) {34          var phasedRegistrationName = phasedRegistrationNames[phaseName];35          publishRegistrationName(phasedRegistrationName, PluginModule, eventName);36        }37      }38      return true;39    } else if (dispatchConfig.registrationName) {40      publishRegistrationName(dispatchConfig.registrationName, PluginModule, eventName);41      return true;...EventPluginRegistry.js
Source:EventPluginRegistry.js  
...8	registrationNameModules[registrationName] = pluginModule;9	registrationNameDependencies[registrationName] =10		pluginModule.eventTypes[eventName].dependencies;11}12function publishEventForPlugin(dispatchConfig, pluginModule, eventName) {13	eventNameDispatchConfigs[eventName] = dispatchConfig;14	const phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;15	if (phasedRegistrationNames) {16		for (const phaseName in phasedRegistrationNames) {17			if (phasedRegistrationNames.hasOwnProperty(phaseName)) {18				const phasedRegistrationName =19					phasedRegistrationNames[phaseName];20				publishRegistrationName(21					phasedRegistrationName,22					pluginModule,23					eventName,24				);25			}26		}27		return true;28	} else if (dispatchConfig.registrationName) {29		publishRegistrationName(30			dispatchConfig.registrationName,31			pluginModule,32			eventName,33		);34		return true;35	}36	return false;37}38function recomputePluginOrdering() {39	if (!eventPluginOrder) {40		return;41	}42	for (const pluginName in namesToPlugins) {43		const pluginModule = namesToPlugins[pluginName];44		const pluginIndex = eventPluginOrder.indexOf(pluginName);45		if (plugins[pluginIndex]) {46			continue;47		}48		plugins[pluginIndex] = pluginModule;49		const publishedEvents = pluginModule.eventTypes;50		for (const eventName in publishedEvents) {51			if (publishedEvents.hasOwnProperty(eventName)) {52				publishEventForPlugin(53					publishedEvents[eventName],54					pluginModule,55					eventName,56				);57			}58		}59	}60}61export function injectEventPluginOrder(injectedEventPluginOrder) {62	eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder);63	recomputePluginOrdering();64}65export function injectEventPluginsByName(injectedNamesToPlugins) {66	let isOrderingDirty = false;...Using AI Code Generation
1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const page = await browser.newPage();5  await page.$eval('text=Get started', (element) => {6    element.click();7  });8  await browser.close();9})();10const playwright = require('playwright');11(async () => {12  const browser = await playwright.chromium.launch();13  const page = await browser.newPage();14  await page.$eval('text=Get started', (element) => {15    element.click();16  });17  await browser.close();18})();19const playwright = require('playwright');20(async () => {21  const browser = await playwright.chromium.launch();22  const page = await browser.newPage();23  await page.$eval('text=Get started', (element) => {24    element.click();25  });26  await browser.close();27})();28const playwright = require('playwright');29(async () => {30  const browser = await playwright.chromium.launch();31  const page = await browser.newPage();32  await page.$eval('text=Get started', (element) => {33    element.click();34  });35  await browser.close();36})();37const playwright = require('playwright');38(async () => {39  const browser = await playwright.chromium.launch();40  const page = await browser.newPage();41  await page.$eval('text=Get started', (element) => {42    element.click();43  });44  await browser.close();45})();46const playwright = require('playwright');47(async () => {48  const browser = await playwright.chromium.launch();49  const page = await browser.newPage();50  await page.$eval('text=Get started', (element) => {51    element.click();52  });53  await browser.close();54})();Using AI Code Generation
1const playwright = require('playwright');2const { publishEventForPlugin } = require('playwright/lib/utils/registry');3(async () => {4  const browser = await playwright.firefox.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await publishEventForPlugin('my-plugin', 'my-event', {8  });9  await browser.close();10})();11{12  "playwright-plugin": {13  }14}Using AI Code Generation
1const playwright = require('playwright');2const { publishEventForPlugin } = require('playwright/lib/server/trace/recorder/playwrightEvents');3(async () => {4  const browser = await playwright.chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  await publishEventForPlugin(page, 'myPlugin', { type: 'myEvent', value: 'myValue' });8  await browser.close();9})();10const { subscribeToPlaywrightEvents } = require('playwright/lib/server/trace/recorder/playwrightEvents');11const myPlugin = {12  async onInit(options) {13    subscribeToPlaywrightEvents(options.context, this);14  },15  async onEvent(event) {16    console.log(event);17  }18};19module.exports = myPlugin;20const { subscribeToPlaywrightEvents } = require('playwright/lib/server/trace/recorder/playwrightEvents');21const myPlugin = {22  async onInit() {23    subscribeToPlaywrightEvents(window.playwright, this);24  },25  async onEvent(event) {26    console.log(event);Using AI Code Generation
1const playwright = require('playwright');2const { publishEventForPlugin } = require('playwright/lib/server/trace/recorder/plugins');3const { events } = require('playwright/lib/server/trace/recorder/events');4const { Page } = require('playwright/lib/server/page');5const { EventEmitter } = require('events');6const eventEmitter = new EventEmitter();7const page = new Page(eventEmitter, 'page-1', null, null, null, null);8const trace = {9  metadata: {10    'userAgent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.0 Safari/537.36',11  },12  contextOptions: {},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.screenshot({ path: `example.png` });19  await browser.close();20})();21eventEmitter.on('event', (event) => {22  publishEventForPlugin(event, trace);23});24eventEmitter.emit('event', new events.PageCreatedEvent('page-1', 'page-1', null, null));25eventEmitter.emit('event', new events.PageFrameAttachedEvent('page-1', 'frame-1', 'frame-1', null, null, null));26eventEmitter.emit('event', new events.PageFrameNavigatedEvent('page-1', 'frame-Using AI Code Generation
1const playwright = require("playwright-core");2const { publishEventForPlugin } = require("@playwright/test/lib/utils/trace");3const { chromium } = playwright;4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  await publishEventForPlugin("test", "event", "data");9  await browser.close();10})();11{12  "scripts": {13  },14  "dependencies": {15  }16}17const playwright = require("playwright-core");18const { chromium } = playwright;19const { publishEventForPlugin } = require("@playwright/test/lib/utils/trace");20(async () => {21const browser = await chromium.launch();22const context = await browser.newContext();23const page = await context.newPage();24await publishEventForPlugin("test", "event", "data");25await browser.close();26})();27const playwright = require("playwright-core");28const { chromium } = playwright;29const { publishEventForPlugin } = require("@playwright/test/lib/utils/trace");30(async () => {31const browser = await chromium.launch();32const context = await browser.newContext();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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