Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use eventsMixin method in Playwright Internal
Best JavaScript code snippet using playwright-internal
dom_mutation.js
Source:dom_mutation.js 
1Scoped.define("module:DomMutation.NodeRemoveObserver", [2 "base:Classes.ConditionalInstance",3 "base:Events.EventsMixin"4], function(ConditionalInstance, EventsMixin, scoped) {5 return ConditionalInstance.extend({6 scoped: scoped7 }, [EventsMixin, function(inherited) {8 return {9 constructor: function(node) {10 inherited.constructor.call(this);11 this._node = node;12 },13 _nodeRemoved: function(node) {14 if (node !== this._node)15 return;16 this.trigger("node-removed");17 }18 };19 }]);20});21Scoped.define("module:DomMutation.MutationObserverNodeRemoveObserver", [22 "module:DomMutation.NodeRemoveObserver",23 "base:Objs"24], function(Observer, Objs, scoped) {25 return Observer.extend({26 scoped: scoped27 }, function(inherited) {28 return {29 constructor: function(node) {30 inherited.constructor.call(this, node);31 var self = this;32 this._observer = new window.MutationObserver(function(mutations) {33 Objs.iter(mutations, function(mutation) {34 for (var i = 0; i < mutation.removedNodes.length; ++i)35 self._nodeRemoved(mutation.removedNodes[i]);36 });37 });38 this._observer.observe(node.parentNode, {39 childList: true40 });41 },42 destroy: function() {43 this._observer.disconnect();44 inherited.destroy.call(this);45 }46 };47 }, {48 supported: function(node) {49 try {50 return !!window.MutationObserver;51 } catch (e) {52 return false;53 }54 }55 });56});57Scoped.define("module:DomMutation.DOMNodeRemovedNodeRemoveObserver", [58 "module:DomMutation.NodeRemoveObserver",59 "module:Info",60 "module:Events"61], function(Observer, Info, Events, scoped) {62 return Observer.extend({63 scoped: scoped64 }, function(inherited) {65 return {66 constructor: function(node) {67 inherited.constructor.call(this, node);68 var events = this.auto_destroy(new Events());69 events.on(document, "DOMNodeRemoved", function(event) {70 this._nodeRemoved(event.target);71 }, this);72 }73 };74 }, {75 supported: function(node) {76 return !Info.isInternetExplorer() || Info.internetExplorerVersion() >= 9;77 }78 });79});80Scoped.define("module:DomMutation.TimerNodeRemoveObserver", [81 "module:DomMutation.NodeRemoveObserver",82 "base:Timers.Timer"83], function(Observer, Timer, scoped) {84 return Observer.extend({85 scoped: scoped86 }, function(inherited) {87 return {88 constructor: function(node) {89 inherited.constructor.call(this, node);90 this._timer = new Timer({91 context: this,92 fire: this._fire,93 delay: 10094 });95 },96 destroy: function() {97 this._timer.weakDestroy();98 inherited.destroy.call(this);99 },100 _fire: function() {101 if (!this._node.parentElement) {102 this._timer.stop();103 this._nodeRemoved(this._node);104 }105 }106 };107 }, {108 supported: function(node) {109 return true;110 }111 });112});113Scoped.extend("module:DomMutation.NodeRemoveObserver", [114 "module:DomMutation.NodeRemoveObserver",115 "module:DomMutation.MutationObserverNodeRemoveObserver",116 "module:DomMutation.DOMNodeRemovedNodeRemoveObserver",117 "module:DomMutation.TimerNodeRemoveObserver"118], function(Observer, MutationObserverNodeRemoveObserver, DOMNodeRemovedNodeRemoveObserver, TimerNodeRemoveObserver) {119 Observer.register(MutationObserverNodeRemoveObserver, 3);120 Observer.register(DOMNodeRemovedNodeRemoveObserver, 2);121 Observer.register(TimerNodeRemoveObserver, 1);122 return {};123});124Scoped.define("module:DomMutation.NodeResizeObserver", [125 "base:Class",126 "base:Events.EventsMixin",127 "module:Events"128], function(Class, EventsMixin, Events, scoped) {129 return Class.extend({130 scoped: scoped131 }, [EventsMixin, function(inherited) {132 return {133 constructor: function(node) {134 inherited.constructor.call(this);135 var events = this.auto_destroy(new Events());136 events.on(window, "resize", function(event) {137 this._resized();138 }, this);139 },140 _resized: function() {141 this.trigger("node-resized");142 }143 };144 }]);145});146Scoped.define("module:DomMutation.NodeInsertObserver", [147 "base:Classes.ConditionalInstance",148 "base:Events.EventsMixin"149], function(ConditionalInstance, EventsMixin, scoped) {150 return ConditionalInstance.extend({151 scoped: scoped152 }, [EventsMixin, function(inherited) {153 return {154 _nodeInserted: function(node, expand) {155 if (expand) {156 for (var i = 0; i < node.childNodes.length; ++i)157 this._nodeInserted(node.childNodes[i], expand);158 }159 if (this._options.parent && node.parentNode !== this._options.parent)160 return;161 if (this._options.root && !this._options.root.contains(node))162 return;163 if (this._options.filter && !this._options.filter.call(this._options.context || this, node))164 return;165 this.trigger("node-inserted", node);166 }167 };168 }]);169});170Scoped.define("module:DomMutation.MutationObserverNodeInsertObserver", [171 "module:DomMutation.NodeInsertObserver",172 "base:Objs"173], function(Observer, Objs, scoped) {174 return Observer.extend({175 scoped: scoped176 }, function(inherited) {177 return {178 constructor: function(options) {179 options = options || {};180 inherited.constructor.call(this, options);181 var self = this;182 this._observer = new window.MutationObserver(function(mutations) {183 Objs.iter(mutations, function(mutation) {184 for (var i = 0; i < mutation.addedNodes.length; ++i)185 self._nodeInserted(mutation.addedNodes[i], true);186 });187 });188 this._observer.observe(this._options.root || this._options.parent || document.body, {189 childList: true,190 subtree: !this._options.parent191 });192 },193 destroy: function() {194 this._observer.disconnect();195 inherited.destroy.call(this);196 }197 };198 }, {199 supported: function(node) {200 try {201 return !!window.MutationObserver;202 } catch (e) {203 return false;204 }205 }206 });207});208Scoped.define("module:DomMutation.DOMNodeInsertedNodeInsertObserver", [209 "module:DomMutation.NodeInsertObserver",210 "module:Events"211], function(Observer, Events, scoped) {212 return Observer.extend({213 scoped: scoped214 }, function(inherited) {215 return {216 constructor: function(options) {217 options = options || {};218 inherited.constructor.call(this, options);219 var events = this.auto_destroy(new Events());220 events.on(document, "DOMNodeInserted", function(event) {221 this._nodeInserted(event.target, true);222 }, this);223 }224 };225 }, {226 supported: function(node) {227 return true;228 }229 });230});231Scoped.extend("module:DomMutation.NodeInsertObserver", [232 "module:DomMutation.NodeInsertObserver",233 "module:DomMutation.MutationObserverNodeInsertObserver",234 "module:DomMutation.DOMNodeInsertedNodeInsertObserver"235], function(Observer, MutationObserverNodeInsertObserver, DOMNodeInsertedNodeInsertObserver) {236 Observer.register(MutationObserverNodeInsertObserver, 3);237 Observer.register(DOMNodeInsertedNodeInsertObserver, 2);238 return {};...
query_builder.js
Source:query_builder.js
1Scoped.extend("module:Queries.AbstractQueryBuilder", [2 "base:Class",3 "base:Comparators",4 "base:Events.EventsMixin",5 "base:Objs"6], function(Class, Comparators, EventsMixin, Objs, scoped) {7 return Class.extend({8 scoped: scoped9 }, [EventsMixin, function(inherited) {10 return {11 constructor: function() {12 inherited.constructor.call(this);13 this.__query = {};14 },15 _queryChanged: function() {16 var newQuery = this._buildQuery();17 if (!Comparators.deepEqual(this.__query, newQuery)) {18 this.__query = newQuery;19 this.trigger("change");20 }21 },22 getQuery: function() {23 return Objs.clone(this.__query, 1);24 },25 _buildQuery: function() {26 throw "Not implemented";27 }28 };29 }]);30});31Scoped.extend("module:Queries.SimpleQueryBuilder", [32 "module:Queries.AbstractQueryBuilder"33], function(AbstractQueryBuilder, scoped) {34 return AbstractQueryBuilder.extend({35 scoped: scoped36 }, function(inherited) {37 return {38 constructor: function(query, queryMap, queryCtx) {39 inherited.constructor.call(this);40 this.__queryMap = queryMap;41 this.__queryCtx = queryCtx;42 this.__userQuery = null;43 this.setQuery(query);44 },45 setQuery: function(query) {46 this.__userQuery = query ? (this.__queryMap ? this.__queryMap.call(this.__queryCtx || this, query) : query) : {};47 this._queryChanged();48 },49 _buildQuery: function() {50 return this.__userQuery;51 }52 };53 });54});55Scoped.extend("module:Queries.AndQueryBuilder", [56 "module:Queries.AbstractQueryBuilder",57 "base:Objs",58 "base:Types"59], function(AbstractQueryBuilder, Objs, Types, scoped) {60 return AbstractQueryBuilder.extend({61 scoped: scoped62 }, function(inherited) {63 return {64 constructor: function() {65 inherited.constructor.call(this);66 this.__queries = {};67 },68 destroy: function() {69 Objs.iter(this.__queries, this.removeQuery, this);70 inherited.destroy.call(this);71 },72 addQuery: function(query) {73 this.__queries[query.cid()] = query;74 query.on("change", this._queryChanged, this);75 this._queryChanged();76 return query;77 },78 removeQuery: function(query) {79 delete this.__queries[query.cid()];80 query.off(null, null, this);81 this._queryChanged();82 return query;83 },84 _buildQuery: function() {85 var arr = Objs.values(this.__queries).map(function(query) {86 return query.getQuery();87 }).filter(function(query) {88 return !Types.is_empty(query);89 });90 switch (arr.length) {91 case 0:92 return {};93 case 1:94 return arr[0];95 default:96 return {97 "$and": arr98 };99 }100 }101 };102 });103});104Scoped.extend("module:Queries.ConstrainedQueryBuilder", [105 "base:Class",106 "base:Comparators",107 "base:Events.EventsMixin"108], function(Class, Comparators, EventsMixin, scoped) {109 return Class.extend({110 scoped: scoped111 }, [EventsMixin, function(inherited) {112 return {113 constructor: function(queryBuilder, options) {114 inherited.constructor.call(this);115 this.__queryBuilder = queryBuilder;116 this.__options = options || {};117 this.__queryBuilder.on("change", function() {118 this.trigger("change");119 }, this);120 },121 destroy: function() {122 this.__queryBuilder.off(null, null, this);123 inherited.destroy.call(this);124 },125 getOptions: function() {126 return this.__options;127 },128 setOptions: function(options) {129 options = options || {};130 if (Comparators.deepEqual(options, this.__options))131 return;132 this.__options = options;133 this.trigger("change");134 },135 getQuery: function() {136 return this.getQueryBuilder().getQuery();137 },138 getQueryBuilder: function() {139 return this.__queryBuilder;140 },141 getConstrainedQuery: function() {142 return {143 query: this.getQuery(),144 options: this.getOptions()145 };146 }147 };148 }]);149});150Scoped.extend("module:Queries.RangeQueryBuilder", [151 "module:Queries.AbstractQueryBuilder",152 "base:Objs"153], function(AbstractQueryBuilder, Objs, scoped) {154 return AbstractQueryBuilder.extend({155 scoped: scoped156 }, function(inherited) {157 return {158 constructor: function(key, lowerBound, upperBound) {159 inherited.constructor.call(this);160 this.__key = key;161 this.__lowerBound = lowerBound;162 this.__upperBound = upperBound;163 this._queryChanged();164 },165 _buildQuery: function() {166 return Objs.objectBy(this.__key, {167 "$gte": this.__lowerBound,168 "$lte": this.__upperBound169 });170 },171 touch: function(lowerBound, upperBound) {172 upperBound = upperBound || lowerBound;173 var changed = false;174 if (lowerBound < this.__lowerBound) {175 changed = true;176 this.__lowerBound = lowerBound;177 }178 if (upperBound > this.__upperBound) {179 changed = true;180 this.__upperBound = upperBound;181 }182 if (changed)183 this._queryChanged();184 },185 setLowerBound: function(lowerBound) {186 this.__lowerBound = lowerBound;187 this._queryChanged();188 },189 setUpperBound: function(upperBound) {190 this.__upperBound = upperBound;191 this._queryChanged();192 }193 };194 });...
createEvents.js
Source:createEvents.js
1import Delegate from 'dom-delegate'2import * as R from 'ramda'3/**4 * @namespace createEvents5 */6// do not use an array function... we need to be able to bind7export const createEvents = R.curry(function(context, obj) {8 const events = Object.entries(obj).map(([key, fn]) => {9 const eventAndNode = R.compose(R.map(R.trim), R.split(' '))(key)10 const capture = !!R.compose(R.length, R.match(/(blur|mouse)/g), R.head)(11 eventAndNode12 )13 const funk = typeof fn === 'string' ? this[fn] : fn14 return [...eventAndNode, funk, capture]15 })16 let $delegate17 let emit18 const handleFunctions = R.curry((evt, transform, fns) => {19 R.compose(20 R.forEach(event => {21 $delegate[transform](...event)22 }),23 R.map(item =>24 R.find(([a, b]) => {25 // alls add/remove of events without a selector - things like keydown/keyup26 if (typeof b === 'function') {27 return a === item28 }29 return [a, b].join(' ') === item30 })(evt)31 )32 )(fns)33 })(events)34 return {35 /**36 * @memberof createEvents37 * @function attachAll38 * @param {HTMLElement} root - the element to delegate to39 */40 attachAll(root = context) {41 $delegate = $delegate || new Delegate(root)42 try {43 R.forEach(event => $delegate.on(...event))(events)44 } catch (err) {45 // eslint-disable-next-line46 console.error(47 'Handler must be a type of Function, careful with arrow functions, they will need to be above the events object:',48 err49 )50 }51 },52 /**53 * @memberof createEvents54 * @function attach55 * @param {Array} fns - an array of cuntions56 * @param {HTMLElement} root - the element to delegate to57 * @return {void}58 */59 attach(fns, root = context) {60 $delegate = $delegate || new Delegate(root)61 handleFunctions('on', fns)62 },63 /**64 * @memberof createEvents65 * @function remove66 * @param {Array} fns - an array of cuntions67 * @return {void}68 */69 remove(fns) {70 if (!$delegate) return71 handleFunctions('off', fns)72 },73 /**74 * @memberof createEvents75 * @function destroy76 * @return {void}77 */78 destroy() {79 if (!$delegate) return80 R.forEach(event => $delegate.off(...event))(events)81 },82 /**83 * @memberof createEvents84 * @function destroy85 * @param {HTMLElement} root - the element to trigger an event on86 * @param {String} event - the name of the event to trigger87 * @return {void}88 */89 emit($node, event) {90 emit = emit || document.createEvent('HTMLEvents')91 emit.initEvent(event, true, false)92 $node.dispatchEvent(emit)93 }94 }95})96/**97 * Create a router98 * @mixin EventsMixin99 * @description class used to manage adding/removing delegated dom events100 *101 * @example102 * import Behaviour, { mix } from '@/core/Behaviour'103 * import {104 * EventsMixin,105 * } from '@/core/modules/'106 *107 * export default class ExampleWithAllTheThings extends mix(Behaviour).with(108 * EventsMixin109 * ) {110 * events = {111 * 'click [data-link]': 'onClick'112 * }113 *114 * mount = () => {115 * // attach all the events116 * this.$$events.attachAll()117 * // attach events by key118 * this.$$events.attach(['click [data-link]'])119 * // remove events by key120 * this.$$events.remove(['click [data-link]'])121 * // destroy all the events122 * this.$$events.destroy()123 * }124 *125 * onClick = (e, elm) => {126 * e.preventDefault()127 * elm.classList.toggle('huzzah')128 * }129 * }130 * @return {EventsMixin}131 */132export const EventsMixin = superclass =>133 class extends superclass {134 init() {135 this.$$events = createEvents.call(this, this.$el, this.events)136 if (super.init) super.init()137 return this138 }139 destroy() {140 this.$$events.destroy()141 if (super.destroy) super.destroy()142 }...
EventsMixin.js
Source:EventsMixin.js
1/*2 * This file is part of basis-aggrid-components lib.3 * (c) Basis Europe <eu@basis.com>4 *5 * For the full copyright and license information, please view the LICENSE6 * file that was distributed with this source code.7 */8/* eslint-disable no-prototype-builtins */9/**10 * Events Mixin11 *12 * Allow classes to have their own events manager13 *14 * @param {Class} superClass15 *16 * @author Hyyan Abo Fakher <habofakher@basis.com>17 */18const EventsMixin = superClass =>19 class extends superClass {20 /**21 * Object of registers handlers22 *23 * @type {Object}24 */25 __handlers = {}26 /**27 * Register an event handler28 *29 * @param {String} name event name30 * @param {Function} handler handler function31 */32 on(name, handler) {33 this.__handlers[name] = this.__handlers[name] || []34 this.__handlers[name].push(handler)35 }36 /**37 * Remove an event handler38 *39 * **Note :** if handler is not provided then all registered handler for the given event will be removed40 *41 * @param {String} name event name42 * @param {Function} handler handler function43 */44 off(name, handler) {45 this.__handlers[name] = this.__handlers[name] || []46 if (!handler) {47 delete this.__handlers[name]48 } else {49 for (const registeredHandler in this.__handlers) {50 if (51 this.__handlers.hasOwnProperty(registeredHandler) &&52 this.__handlers[registeredHandler] === handler53 ) {54 delete this.__handlers[name]55 }56 }57 }58 }59 /**60 * Notify handlers61 *62 * @param {String} name event name63 * @param {Object} event payload64 */65 notify(name, payload) {66 const handlers = this.__handlers[name] || []67 handlers.forEach(handler => {68 handler(payload)69 })70 }71 }72/**73 * An events mixin decorator74 *75 * @param {Class} superClass76 *77 * @see {EventsMixin}78 */79function withEventsMixin(superClass) {80 return EventsMixin(superClass)81}82export default EventsMixin...
events-list.js
Source:events-list.js
1import { html } from "@polymer/polymer/lib/utils/html-tag";2/* eslint-plugin-disable lit */3import { PolymerElement } from "@polymer/polymer/polymer-element";4import { stringCompare } from "../../../common/string/compare";5import { EventsMixin } from "../../../mixins/events-mixin";6import LocalizeMixin from "../../../mixins/localize-mixin";7/*8 * @appliesMixin EventsMixin9 * @appliesMixin LocalizeMixin10 */11class EventsList extends EventsMixin(LocalizeMixin(PolymerElement)) {12 static get template() {13 return html`14 <style>15 ul {16 margin: 0;17 padding: 0;18 }19 li {20 list-style: none;21 line-height: 2em;22 }23 a {24 color: var(--primary-color);25 }26 </style>27 <ul>28 <template is="dom-repeat" items="[[events]]" as="event">29 <li>30 <a href="#" on-click="eventSelected">{{event.event}}</a>31 <span>32 [[localize(33 "ui.panel.developer-tools.tabs.events.count_listeners", "count",34 event.listener_count )]]</span35 >36 </li>37 </template>38 </ul>39 `;40 }41 static get properties() {42 return {43 hass: {44 type: Object,45 },46 events: {47 type: Array,48 },49 };50 }51 connectedCallback() {52 super.connectedCallback();53 this.hass.callApi("GET", "events").then((events) => {54 this.events = events.sort((e1, e2) => stringCompare(e1.event, e2.event));55 });56 }57 eventSelected(ev) {58 ev.preventDefault();59 this.fire("event-selected", { eventType: ev.model.event.event });60 }61}...
abstract_jsonize_task.js
Source:abstract_jsonize_task.js
1Scoped.define("jsonize:AbstractJsonizeTask", [2 "betajs:Class",3 "betajs:Events.EventsMixin",4 "betajs:Promise"5], function (Class, EventsMixin, Promise, scoped) {6 return Class.extend({scoped: scoped}, [EventsMixin, {7 run: function (payload) {8 return this._run(payload);9 },10 11 _event: function (payload) {12 this.trigger("event", payload);13 },14 15 rollback: function () {16 return this._rollback();17 },18 19 _run: function (payload) {20 return Promise.value(true);21 },22 23 _rollback: function () {24 return Promise.value(true);25 },26 27 abort: function () {28 return this._abort();29 },30 31 _abort: function () {32 return Promise.value(true);33 }34 35 }]);...
dialog-mixin.js
Source:dialog-mixin.js
1import { PaperDialogBehavior } from "@polymer/paper-dialog-behavior/paper-dialog-behavior";2import { mixinBehaviors } from "@polymer/polymer/lib/legacy/class";3import { dedupingMixin } from "@polymer/polymer/lib/utils/mixin";4import { EventsMixin } from "./events-mixin";5/**6 * @polymerMixin7 * @appliesMixin EventsMixin8 * @appliesMixin PaperDialogBehavior9 */10export default dedupingMixin(11 (superClass) =>12 class extends mixinBehaviors(13 [EventsMixin, PaperDialogBehavior],14 superClass15 ) {16 static get properties() {17 return {18 withBackdrop: {19 type: Boolean,20 value: true,21 },22 };23 }24 }...
index.js
Source:index.js
1/*2 * This file is part of basis-aggrid-components lib.3 * (c) Basis Europe <eu@basis.com>4 *5 * For the full copyright and license information, please view the LICENSE6 * file that was distributed with this source code.7 */8import { EventsMixin, withEventsMixin } from './EventsMixin'9export default EventsMixin...
Using AI Code Generation
1const { eventsMixin } = require('playwright/lib/utils/events');2const { EventEmitter } = require('events');3class MyEmitter extends EventEmitter {}4const myEmitter = new MyEmitter();5eventsMixin(myEmitter);6myEmitter.on('event', () => {7 console.log('an event occurred!');8});9myEmitter.emit('event');10const { EventEmitter } = require('events');11const myEmitter = new EventEmitter();12myEmitter.on('event', () => {13 console.log('an event occurred!');14});15myEmitter.emit('event');16const { eventsMixin } = require('playwright/lib/utils/events');17const { EventEmitter } = require('events');18const { chromium } = require('playwright');19const myEmitter = new EventEmitter();20eventsMixin(myEmitter);21(async () => {22 const browser = await chromium.launch();23 const context = await browser.newContext();24 const page = await context.newPage();25 myEmitter.on('request', request => {26 console.log(`Request: ${request.url()}`);27 });28 myEmitter.on('response', response => {29 console.log(`Response: ${response.url()}`);30 });31 await browser.close();32})();33const { eventsMixin } = require('playwright/lib/utils/events');34const { EventEmitter } = require('events');35const { chromium
Using AI Code Generation
1const { eventsMixin } = require('playwright/lib/internal/frames');2eventsMixin(Frame.prototype);3const { eventsMixin } = require('playwright/lib/internal/frames');4eventsMixin(Frame.prototype);5const { eventsMixin } = require('playwright/lib/internal/frames');6eventsMixin(Frame.prototype);7const { eventsMixin } = require('playwright/lib/internal/frames');8eventsMixin(Frame.prototype);9const { eventsMixin } = require('playwright/lib/internal/frames');10eventsMixin(Frame.prototype);11const { eventsMixin } = require('playwright/lib/internal/frames');12eventsMixin(Frame.prototype);13const { eventsMixin } = require('playwright/lib/internal/frames');14eventsMixin(Frame.prototype);15const { eventsMixin } = require('playwright/lib/internal/frames');16eventsMixin(Frame.prototype);17const { eventsMixin } = require('playwright/lib/internal/frames');18eventsMixin(Frame.prototype);19const { eventsMixin } = require('playwright/lib/internal/frames');20eventsMixin(Frame.prototype);21const { eventsMixin } = require('playwright/lib/internal/frames');22eventsMixin(Frame.prototype);23const { eventsMixin } = require('playwright/lib/internal/frames');24eventsMixin(Frame.prototype);25const { eventsMixin } = require('playwright/lib/internal/frames');26eventsMixin(Frame.prototype);27const { eventsMixin } = require('playwright/lib/internal/frames');28eventsMixin(Frame.prototype);29const { eventsMixin } = require('playwright/lib
Using AI Code Generation
1const { eventsMixin } = require('playwright/lib/utils/eventsMixin');2const { EventEmitter } = require('events');3class MyEmitter extends EventEmitter {}4const emitter = new MyEmitter();5eventsMixin(emitter);6emitter.on('event1', (a, b) => {7});8emitter.emit('event1', 1, 2);9const { eventsMixin } = require('playwright/lib/utils/eventsMixin');10const { EventEmitter } = require('events');11class MyEmitter extends EventEmitter {}12const emitter = new MyEmitter();13eventsMixin(emitter);14class MyClass {15 constructor() {16 eventsMixin(this);17 }18}19const myClass = new MyClass();20myClass.on('event1', (a, b) => {21});22myClass.emit('event1', 1, 2);23const { eventsMixin } = require('playwright/lib/utils/eventsMixin');24const { EventEmitter } = require('events');25class MyEmitter extends EventEmitter {}26const emitter = new MyEmitter();27eventsMixin(emitter);28class MyClass {29 constructor() {30 eventsMixin(this);31 }32}33const myClass = new MyClass();34myClass.on('event1', function (a, b) {35});36myClass.emit('event1', 1, 2);37const { eventsMixin } = require('playwright/lib/utils/eventsMixin');38const { EventEmitter } = require('events');39class MyEmitter extends EventEmitter {}40const emitter = new MyEmitter();41eventsMixin(emitter);42class MyClass {
Using AI Code Generation
1const { eventsMixin } = require('playwright/lib/utils/events');2class Test {3 constructor() {4 eventsMixin(this);5 }6 async run() {7 this.emit('start');8 await new Promise((resolve) => setTimeout(resolve, 1000));9 this.emit('end');10 }11}12const test = new Test();13test.on('start', () => console.log('started'));14test.on('end', () => console.log('ended'));15test.run();16const { eventsMixin } = require('playwright/lib/utils/events');17class Test {18 constructor() {19 eventsMixin(this);20 }21 async run() {22 this.emit('start');23 await new Promise((resolve) => setTimeout(resolve, 1000));24 this.emit('end');25 }26}27const test = new Test();28test.on('start', () => console.log('started'));29test.on('end', () => console.log('ended'));30test.run();
Using AI Code Generation
1const { eventsMixin } = require('@playwright/test/lib/utils/eventsMixin');2const { EventEmitter } = require('events');3const { Test } = require('@playwright/test');4const { expect } = require('@playwright/test');5const { test } = require('@playwright/test');6class MyEmitter extends EventEmitter {}7const myEmitter = new MyEmitter();8eventsMixin(myEmitter);9myEmitter.on('event', () => {10 console.log('an event occurred!');11});12myEmitter.emit('event');
Using AI Code Generation
1const { eventsMixin } = require('playwright-core/lib/server/events');2const { EventEmitter } = require('events');3class MyEmitter extends EventEmitter {}4const myEmitter = new MyEmitter();5eventsMixin(myEmitter);6myEmitter.on('event', () => {7 console.log('An event occurred!');8});9myEmitter.emit('event');10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const page = await browser.newPage();14 page.on('console', msg => console.log('PAGE LOG:', msg.text()));15 await browser.close();16})();
Using AI Code Generation
1const { eventsMixin } = require('@playwright/test/lib/events');2eventsMixin(page);3page.on('request', request => {4 console.log(`${request.method()} ${request.url()}`);5});6page.on('response', response => {7 console.log(`${response.status()} ${response.url()}`);8});9page.on('pageerror', error => {10 console.log(error);11});12page.on('console', message => {13 console.log(message.text());14});
Using AI Code Generation
1const { eventsMixin } = require('@playwright/test/lib/utils/eventsMixin');2const EventEmitter = require('events');3class MyEmitter extends eventsMixin(EventEmitter) {}4const myEmitter = new MyEmitter();5myEmitter.on('event', () => {6 console.log('an event occurred!');7});8myEmitter.emit('event');9const { chromium } = require('playwright');10(async () => {11 const browser = await chromium.launch({ headless: false });12 const context = await browser.newContext();13 const page = await context.newPage();14 await page.screenshot({ path: 'playwright.png' });15 await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch({ headless: false });20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.screenshot({ path: 'playwright.png' });23 await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27 const browser = await chromium.launch({ headless: false });28 const context = await browser.newContext();29 const page = await context.newPage();30 const elementHandle = await page.$('text=Get started');31 await elementHandle.click();32 await browser.close();33})();
Using AI Code Generation
1const { eventsMixin } = require('playwright/lib/helper');2const { EventEmitter } = require('events');3const emitter = new EventEmitter();4eventsMixin(emitter);5emitter.on('foo', (arg1, arg2) => {6 console.log('foo event received', arg1, arg2);7});8emitter.emit('foo', 'bar', 'baz');9const { eventsMixin } = require('playwright/lib/helper');10const { EventEmitter } = require('events');11class MyReporter extends EventEmitter {12 constructor(runner, options) {13 super();14 eventsMixin(this);15 this.runner = runner;16 this.options = options;17 }18 report() {19 this.on('test', (test) => {20 console.log('test event received', test.title);
Playwright tutorial
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.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
Run Playwright Internal automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
