Best JavaScript code snippet using playwright-internal
DOMEventProperties.js
Source: DOMEventProperties.js
...34 * topLevelEventsToDispatchConfig = new Map([35 * [TOP_ABORT, { sameConfig }],36 * ]);37 */38 function processSimpleEventPluginPairsByPriority(eventTypes, priority) {39 // As the event types are in pairs of two, we need to iterate40 // through in twos. The events are in pairs of two to save code41 // and improve init perf of processing this array, as it will42 // result in far fewer object allocations and property accesses43 // if we only use three arrays to process all the categories of44 // instead of tuples.45 for (var i = 0; i < eventTypes.length; i += 2) {46 var topEvent = eventTypes[i];47 var event = eventTypes[i + 1];48 var capitalizedEvent = event[0].toUpperCase() + event.slice(1);49 var onEvent = 'on' + capitalizedEvent;50 var config = {51 phasedRegistrationNames: {52 bubbled: onEvent,53 captured: onEvent + 'Capture'54 },55 dependencies: [topEvent],56 eventPriority: priority57 };58 eventPriorities.set(topEvent, priority);59 topLevelEventsToDispatchConfig.set(topEvent, config);60 simpleEventPluginEventTypes[event] = config;61 }62 }63 function processTopEventPairsByPriority(eventTypes, priority) {64 for (var i = 0; i < eventTypes.length; i++) {65 eventPriorities.set(eventTypes[i], priority);66 }67 } // SimpleEventPlugin68 processSimpleEventPluginPairsByPriority(discreteEventPairsForSimpleEventPlugin, DiscreteEvent);69 processSimpleEventPluginPairsByPriority(userBlockingPairsForSimpleEventPlugin, UserBlockingEvent);70 processSimpleEventPluginPairsByPriority(continuousPairsForSimpleEventPlugin, ContinuousEvent); // Not used by SimpleEventPlugin71 processTopEventPairsByPriority(otherDiscreteEvents, DiscreteEvent);72 function getEventPriorityForPluginSystem(topLevelType) {73 var priority = eventPriorities.get(topLevelType); // Default to a ContinuousEvent. Note: we might74 // want to warn if we can't detect the priority75 // for the event.76 return priority === undefined ? ContinuousEvent : priority;...
Using AI Code Generation
1(async () => {2 const {chromium} = require('playwright');3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const {processSimpleEventPluginPairsByPriority} = require('playwright/lib/internal/protocol/protocol');7 const result = await processSimpleEventPluginPairsByPriority(page._channel, 'Input.dispatchKeyEvent', [8 {type: 'keyDown', modifiers: 0, windowsVirtualKeyCode: 0, code: 'Enter', key: 'Enter', text: '', unmodifiedText: '', autoRepeat: false, isKeypad: false, isSystemKey: false},9 {type: 'keyUp', modifiers: 0, windowsVirtualKeyCode: 0, code: 'Enter', key: 'Enter', text: '', unmodifiedText: '', autoRepeat: false, isKeypad: false, isSystemKey: false},10 ]);11 console.log(result);12 await browser.close();13})();14{ error: null }
Using AI Code Generation
1const { InternalEvents } = require('playwright-core/lib/server/events');2const { SimpleEventPlugin } = require('playwright-core/lib/server/events');3const { BrowserContext } = require('playwright-core/lib/server/browserContext');4const { Browser } = require('playwright-core/lib/server/browser');5const { BrowserServer } = require('playwright-core/lib/server/browserServer');6const { BrowserType } = require('playwright-core/lib/server/browserType');7const { Connection } = require('playwright-core/lib/server/connection');8const { ConsoleMessage } = require('playwright-core/lib/server/consoleMessage');9const { Dialog } = require('playwright-core/lib/server/dialog');10const { Download } = require('playwright-core/lib/server/download');11const { ElementHandle } = require('playwright-core/lib/server/dom');12const { Frame } = require('playwright-core/lib/server/dom');13const { FrameManager } = require('playwright-core/lib/server/dom');14const { JSHandle } = require('playwright-core/lib/server/dom');15const { Page } = require('playwright-core/lib/server/page');16const { Selectors } = require('playwright-core/lib/server/selectors');17const { Worker } = require('playwright-core/lib/server/worker');18const events = new InternalEvents();19const plugin = new SimpleEventPlugin();20const browserContext = new BrowserContext();21const browser = new Browser();22const browserServer = new BrowserServer();23const browserType = new BrowserType();24const connection = new Connection();25const consoleMessage = new ConsoleMessage();26const dialog = new Dialog();27const download = new Download();28const elementHandle = new ElementHandle();29const frame = new Frame();30const frameManager = new FrameManager();31const jSHandle = new JSHandle();32const page = new Page();33const selectors = new Selectors();34const worker = new Worker();35events.addPlugin(plugin);36events.addPlugin(plugin);37events.removePlugin(plugin);38events.dispatchBrowserContextCreated(browserContext);39events.dispatchBrowserContextDestroyed(browserContext);40events.dispatchBrowserContextReady(browserContext);41events.dispatchBrowserContextClose(browserContext);42events.dispatchBrowserContextPage(browserContext, page);43events.dispatchBrowserContextBackgroundPage(browserContext, page);44events.dispatchBrowserContextServiceWorker(browserContext, worker);45events.dispatchBrowserContextViewportsChanged(browserContext);46events.dispatchBrowserCreated(browser);47events.dispatchBrowserDisconnected(browser);48events.dispatchBrowserServerCreated(browserServer);49events.dispatchBrowserServerClose(browserServer);
Using AI Code Generation
1const { processSimpleEventPluginPairsByPriority } = require('playwright/lib/internal/events');2const event1 = { name: 'event1', priority: 1 };3const event2 = { name: 'event2', priority: 2 };4const event3 = { name: 'event3', priority: 3 };5const event4 = { name: 'event4', priority: 4 };6const event5 = { name: 'event5', priority: 5 };7const event6 = { name: 'event6', priority: 6 };8const event7 = { name: 'event7', priority: 7 };9const event8 = { name: 'event8', priority: 8 };10const event9 = { name: 'event9', priority: 9 };11const event10 = { name: 'event10', priority: 10 };12];13const sortedEventPairs = processSimpleEventPluginPairsByPriority(eventPairs);14console.log(sortedEventPairs);
Using AI Code Generation
1const { InternalEventEmitter } = require('playwright/lib/client/eventEmitter');2const { SimpleEventEmitter } = require('playwright/lib/client/eventEmitter');3const simpleEventEmitter = new SimpleEventEmitter();4const internalEventEmitter = new InternalEventEmitter(simpleEventEmitter);5const eventHandler = (event) => {6 console.log(event);7};8const eventHandler1 = (event) => {9 console.log(event);10};11const eventHandler2 = (event) => {12 console.log(event);13};14const eventHandler3 = (event) => {15 console.log(event);16};17const eventHandler4 = (event) => {18 console.log(event);19};20internalEventEmitter.on('event1', eventHandler);21internalEventEmitter.on('event2', eventHandler1);22internalEventEmitter.on('event3', eventHandler2);23internalEventEmitter.on('event4', eventHandler3);24internalEventEmitter.on('event5', eventHandler4);25internalEventEmitter.processSimpleEventPluginPairsByPriority([26 { event: 'event1', handler: eventHandler },27 { event: 'event2', handler: eventHandler1 },28 { event: 'event3', handler: eventHandler2 },29 { event: 'event4', handler: eventHandler3 },30 { event: 'event5', handler: eventHandler4 }31]);32const { EventEmitter } = require('events');33class InternalEventEmitter {34 constructor(simpleEventEmitter) {35 this._eventEmitter = new EventEmitter();36 this._simpleEventEmitter = simpleEventEmitter;37 this._simpleEventEmitter.on('event', this._onSimpleEvent.bind(this));38 }39 on(event, handler) {40 this._eventEmitter.on(event, handler);41 }42 _onSimpleEvent(event) {43 this._eventEmitter.emit(event.name, event);
Using AI Code Generation
1const { Playwright } = require('@playwright/test');2const { processSimpleEventPluginPairsByPriority } = Playwright.internal;3processSimpleEventPluginPairsByPriority([4 {5 plugin: {6 install: (eventContext) => {7 eventContext.on('test', async (event) => {8 console.log('test event received');9 });10 },11 },12 },13]);14test('test', async ({ page }) => {15 await page.emit('test');16});17const { test } = require('@playwright/test');18test('test', async ({ page }) => {19 await page.emit('test');20});21 at Object.<anonymous> (test.js:10:13)22 at Object.<anonymous> (test.js:18:3)23 at Object.<anonymous> (test.js:10:13)24 at Object.<anonymous> (test.js:18:3)25 ✓ test (2ms)26 1 test passed (2ms)
Using AI Code Generation
1const { Playwright } = require('playwright');2const playwright = new Playwright();3const internalEventEmitter = playwright._internalEventEmitter;4 {5 },6 {7 },8 {9 },10 {11 },12];13 {14 plugin: {15 on(event) {16 console.log(event);17 },18 },19 },20 {21 plugin: {
Using AI Code Generation
1import { InternalEventEmitter } from 'playwright/lib/client/internalEventEmitter';2const eventEmitter = new InternalEventEmitter();3const event = 'event';4const handler = () => {};5const priority = 1;6eventEmitter.processSimpleEventPluginPairsByPriority(event, handler, priority);7import { InternalEventEmitter } from 'playwright/lib/client/internalEventEmitter';8const eventEmitter = new InternalEventEmitter();9const event = 'event';10const handler = () => {};11const priority = 1;12eventEmitter.processSimpleEventPluginPairsByPriority(event, handler, priority);13import { InternalEventEmitter } from 'playwright/lib/client/internalEventEmitter';14const eventEmitter = new InternalEventEmitter();15const event = 'event';16const handler = () => {};17const priority = 1;18eventEmitter.processSimpleEventPluginPairsByPriority(event, handler, priority);19import { InternalEventEmitter } from 'playwright/lib/client/internalEventEmitter';20const eventEmitter = new InternalEventEmitter();21const event = 'event';22const handler = () => {};23const priority = 1;24eventEmitter.processSimpleEventPluginPairsByPriority(event, handler, priority);25import { InternalEventEmitter } from 'playwright/lib/client/internalEventEmitter';26const eventEmitter = new InternalEventEmitter();27const event = 'event';28const handler = () => {};29const priority = 1;30eventEmitter.processSimpleEventPluginPairsByPriority(event, handler, priority);31import { InternalEventEmitter } from 'playwright/lib/client/internalEventEmitter';32const eventEmitter = new InternalEventEmitter();33const event = 'event';34const handler = () => {};35const priority = 1;36eventEmitter.processSimpleEventPluginPairsByPriority(event, handler, priority);
Jest + Playwright - Test callbacks of event-based DOM library
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This question is quite close to a "need more focus" question. But let's try to give it some focus:
Does Playwright has access to the cPicker object on the page? Does it has access to the window object?
Yes, you can access both cPicker and the window object inside an evaluate call.
Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?
Exactly, or you can assign values to a javascript variable:
const cPicker = new ColorPicker({
onClickOutside(e){
},
onInput(color){
window['color'] = color;
},
onChange(color){
window['result'] = color;
}
})
And then
it('Should call all callbacks with correct arguments', async() => {
await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})
// Wait until the next frame
await page.evaluate(() => new Promise(requestAnimationFrame))
// Act
// Assert
const result = await page.evaluate(() => window['color']);
// Check the value
})
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