How to use eventsMixin method in Playwright Internal

Best JavaScript code snippet using playwright-internal

dom_mutation.js

Source:dom_mutation.js Github

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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 {};...

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query_builder.js

Source:query_builder.js Github

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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 });...

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createEvents.js

Source:createEvents.js Github

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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 }...

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EventsMixin.js

Source:EventsMixin.js Github

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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...

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events-list.js

Source:events-list.js Github

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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}...

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abstract_jsonize_task.js

Source:abstract_jsonize_task.js Github

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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 }]);...

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dialog-mixin.js

Source:dialog-mixin.js Github

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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 }...

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index.js

Source:index.js Github

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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...

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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

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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

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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 {

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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();

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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');

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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})();

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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});

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Using AI Code Generation

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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})();

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Using AI Code Generation

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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);

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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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