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How to use eventListener method in stryker-parent

Best JavaScript code snippet using stryker-parent

CCEventListener.js

Source:CCEventListener.js

1/****************************************************************************2 Copyright (c) 2011-2012 cocos2d-x.org3 Copyright (c) 2013-2014 Chukong Technologies Inc.4 http://www.cocos2d-x.org5 Permission is hereby granted, free of charge, to any person obtaining a copy6 of this software and associated documentation files (the "Software"), to deal7 in the Software without restriction, including without limitation the rights8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell9 copies of the Software, and to permit persons to whom the Software is10 furnished to do so, subject to the following conditions:11 The above copyright notice and this permission notice shall be included in12 all copies or substantial portions of the Software.13 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR14 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,15 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE16 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER17 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,18 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN19 THE SOFTWARE.20 ****************************************************************************/21/**22 * <p>23 *     The base class of event listener.                                                                        <br/>24 *     If you need custom listener which with different callback, you need to inherit this class.               <br/>25 *     For instance, you could refer to EventListenerAcceleration, EventListenerKeyboard,                       <br/>26 *      EventListenerTouchOneByOne, EventListenerCustom.27 * </p>28 * @class29 * @extends cc.Class30 */31cc.EventListener = cc.Class.extend(/** @lends cc.EventListener# */{32    _onEvent: null,                          // Event callback function33    _type: 0,                                 // Event listener type34    _listenerID: null,                       // Event listener ID35    _registered: false,                     // Whether the listener has been added to dispatcher.36    _fixedPriority: 0,                      // The higher the number, the higher the priority, 0 is for scene graph base priority.37    _node: null,                           // scene graph based priority38    _paused: true,                        // Whether the listener is paused39    _isEnabled: true,                      // Whether the listener is enabled40    /**41     * Initializes event with type and callback function42     * @param {number} type43     * @param {string} listenerID44     * @param {function} callback45     */46    ctor: function (type, listenerID, callback) {47        this._onEvent = callback;48        this._type = type || 0;49        this._listenerID = listenerID || "";50    },51    /**52     * <p>53     *     Sets paused state for the listener54     *     The paused state is only used for scene graph priority listeners.55     *     `EventDispatcher::resumeAllEventListenersForTarget(node)` will set the paused state to `true`,56     *     while `EventDispatcher::pauseAllEventListenersForTarget(node)` will set it to `false`.57     *     @note 1) Fixed priority listeners will never get paused. If a fixed priority doesn't want to receive events,58     *              call `setEnabled(false)` instead.59     *            2) In `Node`'s onEnter and onExit, the `paused state` of the listeners which associated with that node will be automatically updated.60     * </p>61     * @param {boolean} paused62     * @private63     */64    _setPaused: function (paused) {65        this._paused = paused;66    },67    /**68     * Checks whether the listener is paused69     * @returns {boolean}70     * @private71     */72    _isPaused: function () {73        return this._paused;74    },75    /**76     * Marks the listener was registered by EventDispatcher77     * @param {boolean} registered78     * @private79     */80    _setRegistered: function (registered) {81        this._registered = registered;82    },83    /**84     * Checks whether the listener was registered by EventDispatcher85     * @returns {boolean}86     * @private87     */88    _isRegistered: function () {89        return this._registered;90    },91    /**92     * Gets the type of this listener93     * @note It's different from `EventType`, e.g. TouchEvent has two kinds of event listeners - EventListenerOneByOne, EventListenerAllAtOnce94     * @returns {number}95     * @private96     */97    _getType: function () {98        return this._type;99    },100    /**101     *  Gets the listener ID of this listener102     *  When event is being dispatched, listener ID is used as key for searching listeners according to event type.103     * @returns {string}104     * @private105     */106    _getListenerID: function () {107        return this._listenerID;108    },109    /**110     * Sets the fixed priority for this listener111     *  @note This method is only used for `fixed priority listeners`, it needs to access a non-zero value. 0 is reserved for scene graph priority listeners112     * @param {number} fixedPriority113     * @private114     */115    _setFixedPriority: function (fixedPriority) {116        this._fixedPriority = fixedPriority;117    },118    /**119     * Gets the fixed priority of this listener120     * @returns {number} 0 if it's a scene graph priority listener, non-zero for fixed priority listener121     * @private122     */123    _getFixedPriority: function () {124        return this._fixedPriority;125    },126    /**127     * Sets scene graph priority for this listener128     * @param {cc.Node} node129     * @private130     */131    _setSceneGraphPriority: function (node) {132        this._node = node;133    },134    /**135     * Gets scene graph priority of this listener136     * @returns {cc.Node} if it's a fixed priority listener, non-null for scene graph priority listener137     * @private138     */139    _getSceneGraphPriority: function () {140        return this._node;141    },142    /**143     * Checks whether the listener is available.144     * @returns {boolean}145     */146    checkAvailable: function () {147        return this._onEvent != null;148    },149    /**150     * Clones the listener, its subclasses have to override this method.151     * @returns {cc.EventListener}152     */153    clone: function () {154        return null;155    },156    /**157     *  Enables or disables the listener158     *  @note Only listeners with `enabled` state will be able to receive events.159     *          When an listener was initialized, it's enabled by default.160     *          An event listener can receive events when it is enabled and is not paused.161     *          paused state is always false when it is a fixed priority listener.162     * @param {boolean} enabled163     */164    setEnabled: function(enabled){165        this._isEnabled = enabled;166    },167    /**168     * Checks whether the listener is enabled169     * @returns {boolean}170     */171    isEnabled: function(){172        return this._isEnabled;173    },174    /**175     * <p>Currently JavaScript Bindings (JSB), in some cases, needs to use retain and release. This is a bug in JSB,176     * and the ugly workaround is to use retain/release. So, these 2 methods were added to be compatible with JSB.177     * This is a hack, and should be removed once JSB fixes the retain/release bug<br/>178     * You will need to retain an object if you created a listener and haven't added it any target node during the same frame.<br/>179     * Otherwise, JSB's native autorelease pool will consider this object a useless one and release it directly,<br/>180     * when you want to use it later, a "Invalid Native Object" error will be raised.<br/>181     * The retain function can increase a reference count for the native object to avoid it being released,<br/>182     * you need to manually invoke release function when you think this object is no longer needed, otherwise, there will be memory learks.<br/>183     * retain and release function call should be paired in developer's game code.</p>184     * @function185     * @see cc.EventListener#release186     */187    retain:function () {188    },189    /**190     * <p>Currently JavaScript Bindings (JSB), in some cases, needs to use retain and release. This is a bug in JSB,191     * and the ugly workaround is to use retain/release. So, these 2 methods were added to be compatible with JSB.192     * This is a hack, and should be removed once JSB fixes the retain/release bug<br/>193     * You will need to retain an object if you created a listener and haven't added it any target node during the same frame.<br/>194     * Otherwise, JSB's native autorelease pool will consider this object a useless one and release it directly,<br/>195     * when you want to use it later, a "Invalid Native Object" error will be raised.<br/>196     * The retain function can increase a reference count for the native object to avoid it being released,<br/>197     * you need to manually invoke release function when you think this object is no longer needed, otherwise, there will be memory learks.<br/>198     * retain and release function call should be paired in developer's game code.</p>199     * @function200     * @see cc.EventListener#retain201     */202    release:function () {203    }204});205// event listener type206/**207 * The type code of unknown event listener.208 * @constant209 * @type {number}210 */211cc.EventListener.UNKNOWN = 0;212/**213 * The type code of one by one touch event listener.214 * @constant215 * @type {number}216 */217cc.EventListener.TOUCH_ONE_BY_ONE = 1;218/**219 * The type code of all at once touch event listener.220 * @constant221 * @type {number}222 */223cc.EventListener.TOUCH_ALL_AT_ONCE = 2;224/**225 * The type code of keyboard event listener.226 * @constant227 * @type {number}228 */229cc.EventListener.KEYBOARD = 3;230/**231 * The type code of mouse event listener.232 * @constant233 * @type {number}234 */235cc.EventListener.MOUSE = 4;236/**237 * The type code of acceleration event listener.238 * @constant239 * @type {number}240 */241cc.EventListener.ACCELERATION = 5;242/**243 * The type code of custom event listener.244 * @constant245 * @type {number}246 */247cc.EventListener.CUSTOM = 6;248cc._EventListenerCustom = cc.EventListener.extend({249    _onCustomEvent: null,250    ctor: function (listenerId, callback) {251        this._onCustomEvent = callback;252        var selfPointer = this;253        var listener = function (event) {254            if (selfPointer._onCustomEvent != null)255                selfPointer._onCustomEvent(event);256        };257        cc.EventListener.prototype.ctor.call(this, cc.EventListener.CUSTOM, listenerId, listener);258    },259    checkAvailable: function () {260        return (cc.EventListener.prototype.checkAvailable.call(this) && this._onCustomEvent != null);261    },262    clone: function () {263        return new cc._EventListenerCustom(this._listenerID, this._onCustomEvent);264    }265});266cc._EventListenerCustom.create = function (eventName, callback) {267    return new cc._EventListenerCustom(eventName, callback);268};269cc._EventListenerMouse = cc.EventListener.extend({270    onMouseDown: null,271    onMouseUp: null,272    onMouseMove: null,273    onMouseScroll: null,274    ctor: function () {275        var selfPointer = this;276        var listener = function (event) {277            var eventType = cc.EventMouse;278            switch (event._eventType) {279                case eventType.DOWN:280                    if (selfPointer.onMouseDown)281                        selfPointer.onMouseDown(event);282                    break;283                case eventType.UP:284                    if (selfPointer.onMouseUp)285                        selfPointer.onMouseUp(event);286                    break;287                case eventType.MOVE:288                    if (selfPointer.onMouseMove)289                        selfPointer.onMouseMove(event);290                    break;291                case eventType.SCROLL:292                    if (selfPointer.onMouseScroll)293                        selfPointer.onMouseScroll(event);294                    break;295                default:296                    break;297            }298        };299        cc.EventListener.prototype.ctor.call(this, cc.EventListener.MOUSE, cc._EventListenerMouse.LISTENER_ID, listener);300    },301    clone: function () {302        var eventListener = new cc._EventListenerMouse();303        eventListener.onMouseDown = this.onMouseDown;304        eventListener.onMouseUp = this.onMouseUp;305        eventListener.onMouseMove = this.onMouseMove;306        eventListener.onMouseScroll = this.onMouseScroll;307        return eventListener;308    },309    checkAvailable: function () {310        return true;311    }312});313cc._EventListenerMouse.LISTENER_ID = "__cc_mouse";314cc._EventListenerMouse.create = function () {315    return new cc._EventListenerMouse();316};317cc._EventListenerTouchOneByOne = cc.EventListener.extend({318    _claimedTouches: null,319    swallowTouches: false,320    onTouchBegan: null,321    onTouchMoved: null,322    onTouchEnded: null,323    onTouchCancelled: null,324    ctor: function () {325        cc.EventListener.prototype.ctor.call(this, cc.EventListener.TOUCH_ONE_BY_ONE, cc._EventListenerTouchOneByOne.LISTENER_ID, null);326        this._claimedTouches = [];327    },328    setSwallowTouches: function (needSwallow) {329        this.swallowTouches = needSwallow;330    },331    clone: function () {332        var eventListener = new cc._EventListenerTouchOneByOne();333        eventListener.onTouchBegan = this.onTouchBegan;334        eventListener.onTouchMoved = this.onTouchMoved;335        eventListener.onTouchEnded = this.onTouchEnded;336        eventListener.onTouchCancelled = this.onTouchCancelled;337        eventListener.swallowTouches = this.swallowTouches;338        return eventListener;339    },340    checkAvailable: function () {341        if(!this.onTouchBegan){342            cc.log(cc._LogInfos._EventListenerTouchOneByOne_checkAvailable);343            return false;344        }345        return true;346    }347});348cc._EventListenerTouchOneByOne.LISTENER_ID = "__cc_touch_one_by_one";349cc._EventListenerTouchOneByOne.create = function () {350    return new cc._EventListenerTouchOneByOne();351};352cc._EventListenerTouchAllAtOnce = cc.EventListener.extend({353    onTouchesBegan: null,354    onTouchesMoved: null,355    onTouchesEnded: null,356    onTouchesCancelled: null,357    ctor: function(){358       cc.EventListener.prototype.ctor.call(this, cc.EventListener.TOUCH_ALL_AT_ONCE, cc._EventListenerTouchAllAtOnce.LISTENER_ID, null);359    },360    clone: function(){361        var eventListener = new cc._EventListenerTouchAllAtOnce();362        eventListener.onTouchesBegan = this.onTouchesBegan;363        eventListener.onTouchesMoved = this.onTouchesMoved;364        eventListener.onTouchesEnded = this.onTouchesEnded;365        eventListener.onTouchesCancelled = this.onTouchesCancelled;366        return eventListener;367    },368    checkAvailable: function(){369        if (this.onTouchesBegan == null && this.onTouchesMoved == null370            && this.onTouchesEnded == null && this.onTouchesCancelled == null) {371            cc.log(cc._LogInfos._EventListenerTouchAllAtOnce_checkAvailable);372            return false;373        }374        return true;375    }376});377cc._EventListenerTouchAllAtOnce.LISTENER_ID = "__cc_touch_all_at_once";378cc._EventListenerTouchAllAtOnce.create = function(){379     return new cc._EventListenerTouchAllAtOnce();380};381/**382 * Create a EventListener object by json object383 * @function384 * @static385 * @param {object} argObj a json object386 * @returns {cc.EventListener}387 * todo: It should be the direct use new388 * @example389 * cc.EventListener.create({390 *       event: cc.EventListener.TOUCH_ONE_BY_ONE,391 *       swallowTouches: true,392 *       onTouchBegan: function (touch, event) {393 *           //do something394 *           return true;395 *       }396 *    });397 */398cc.EventListener.create = function(argObj){399    cc.assert(argObj&&argObj.event, cc._LogInfos.EventListener_create);400    var listenerType = argObj.event;401    delete argObj.event;402    var listener = null;403    if(listenerType === cc.EventListener.TOUCH_ONE_BY_ONE)404        listener = new cc._EventListenerTouchOneByOne();405    else if(listenerType === cc.EventListener.TOUCH_ALL_AT_ONCE)406        listener = new cc._EventListenerTouchAllAtOnce();407    else if(listenerType === cc.EventListener.MOUSE)408        listener = new cc._EventListenerMouse();409    else if(listenerType === cc.EventListener.CUSTOM){410        listener = new cc._EventListenerCustom(argObj.eventName, argObj.callback);411        delete argObj.eventName;412        delete argObj.callback;413    } else if(listenerType === cc.EventListener.KEYBOARD)414        listener = new cc._EventListenerKeyboard();415    else if(listenerType === cc.EventListener.ACCELERATION){416        listener = new cc._EventListenerAcceleration(argObj.callback);417        delete argObj.callback;418    }419    for(var key in argObj) {420        listener[key] = argObj[key];421    }422    return listener;...

event-listener.js

Source:event-listener.js

1'use strict';2const assert = require('assert').strict;3const {4	EventListener,5	EventListenerError6} = require('../lib');7describe('Event Listener', () => {8	const sampleEvent = {9		service: 'id',10		client: 'fizzmod',11		entity: 'profile',12		id: '5d699c1ae8ebb95eaa24aca9',13		event: 'created'14	};15	describe('Getters', () => {16		it('Should return false as mustHaveClient and mustHaveId getters default', () => {17			const eventListener = new EventListener();18			assert.strictEqual(eventListener.mustHaveClient, false);19			assert.strictEqual(eventListener.mustHaveId, false);20		});21		it('Should return an empty event and undefined event details if data is empty', () => {22			const eventListener = new EventListener();23			eventListener.data = {};24			assert.deepStrictEqual(eventListener.event, {});25			assert.strictEqual(eventListener.eventService, undefined);26			assert.strictEqual(eventListener.eventEntity, undefined);27			assert.strictEqual(eventListener.eventName, undefined);28			assert.strictEqual(eventListener.eventClient, undefined);29			assert.strictEqual(eventListener.eventId, undefined);30		});31		it('Should return each event details if data is set', () => {32			const eventListener = new EventListener();33			eventListener.data = { ...sampleEvent };34			assert.deepStrictEqual(eventListener.event, { ...sampleEvent });35			assert.strictEqual(eventListener.eventService, 'id');36			assert.strictEqual(eventListener.eventEntity, 'profile');37			assert.strictEqual(eventListener.eventName, 'created');38			assert.strictEqual(eventListener.eventClient, 'fizzmod');39			assert.strictEqual(eventListener.eventId, '5d699c1ae8ebb95eaa24aca9');40		});41		it('Should return false as shouldCreateLog getter', () => {42			const eventListener = new EventListener();43			assert.strictEqual(eventListener.shouldCreateLog, false);44		});45	});46	describe('Validation', () => {47		it('Should reject if data is not set', async () => {48			const eventListener = new EventListener();49			await assert.rejects(() => eventListener.validate(), {50				code: EventListenerError.codes.MISSING_EVENT51			});52		});53		it('Should reject if data is not an object', async () => {54			const eventListener = new EventListener();55			eventListener.data = 'hi';56			await assert.rejects(() => eventListener.validate(), {57				code: EventListenerError.codes.INVALID_EVENT58			});59			eventListener.data = [];60			await assert.rejects(() => eventListener.validate(), {61				code: EventListenerError.codes.INVALID_EVENT62			});63		});64		it('Should reject if service property is missing', async () => {65			const { service, ...event } = { ...sampleEvent };66			const eventListener = new EventListener();67			eventListener.data = event;68			await assert.rejects(() => eventListener.validate(), {69				code: EventListenerError.codes.INVALID_EVENT70			});71		});72		it('Should reject if service property is not a string', async () => {73			const { service, ...event } = { ...sampleEvent };74			const eventListener = new EventListener();75			eventListener.data = {76				...event,77				service: ['invalid']78			};79			await assert.rejects(() => eventListener.validate(), {80				code: EventListenerError.codes.INVALID_EVENT81			});82		});83		it('Should reject if entity property is missing', async () => {84			const { entity, ...event } = { ...sampleEvent };85			const eventListener = new EventListener();86			eventListener.data = event;87			await assert.rejects(() => eventListener.validate(), {88				code: EventListenerError.codes.INVALID_EVENT89			});90		});91		it('Should reject if entity property is not a string', async () => {92			const { entity, ...event } = { ...sampleEvent };93			const eventListener = new EventListener();94			eventListener.data = {95				...event,96				entity: ['invalid']97			};98			await assert.rejects(() => eventListener.validate(), {99				code: EventListenerError.codes.INVALID_EVENT100			});101		});102		it('Should reject if event property is missing', async () => {103			const { event: eventName, ...event } = { ...sampleEvent };104			const eventListener = new EventListener();105			eventListener.data = event;106			await assert.rejects(() => eventListener.validate(), {107				code: EventListenerError.codes.INVALID_EVENT108			});109		});110		it('Should reject if event property is not a string', async () => {111			const { event: eventName, ...event } = { ...sampleEvent };112			const eventListener = new EventListener();113			eventListener.data = {114				...event,115				event: ['invalid']116			};117			await assert.rejects(() => eventListener.validate(), {118				code: EventListenerError.codes.INVALID_EVENT119			});120		});121		it('Should reject if client property is not a string', async () => {122			const { client, ...event } = { ...sampleEvent };123			const eventListener = new EventListener();124			eventListener.data = {125				...event,126				client: ['invalid']127			};128			await assert.rejects(() => eventListener.validate(), {129				code: EventListenerError.codes.INVALID_EVENT130			});131		});132		it('Should reject if id property is not a string or a number', async () => {133			const { id, ...event } = { ...sampleEvent };134			const eventListener = new EventListener();135			eventListener.data = {136				...event,137				id: ['invalid']138			};139			await assert.rejects(() => eventListener.validate(), {140				code: EventListenerError.codes.INVALID_EVENT141			});142		});143		class MyEventListener extends EventListener {144			get mustHaveClient() {145				return true;146			}147			get mustHaveId() {148				return true;149			}150		}151		it('Should reject if client property is missing and Listener mustHaveClient', async () => {152			const { client, ...event } = { ...sampleEvent };153			const eventListener = new MyEventListener();154			eventListener.data = {155				...event156			};157			await assert.rejects(() => eventListener.validate(), {158				code: EventListenerError.codes.INVALID_EVENT159			});160		});161		it('Should reject if id property is missing and Listener mustHaveId', async () => {162			const { id, ...event } = { ...sampleEvent };163			const eventListener = new MyEventListener();164			eventListener.data = {165				...event166			};167			await assert.rejects(() => eventListener.validate(), {168				code: EventListenerError.codes.INVALID_EVENT169			});170		});171		it('Should pass validation for minimum valid event', async () => {172			const { client, id, ...event } = { ...sampleEvent };173			const eventListener = new EventListener();174			eventListener.data = {175				...event176			};177			await assert.doesNotReject(() => eventListener.validate());178		});179		it('Should pass validation for full valid event if Listener mustHaveClient and mustHaveId', async () => {180			const eventListener = new MyEventListener();181			eventListener.data = { ...sampleEvent };182			await assert.doesNotReject(() => eventListener.validate());183		});184	});...

eventHandlers.js

Source:eventHandlers.js

1/*2 * Make an eventListener class with .trigger(), .off(), and .on() methods.3 *4 * Example:5 *6 * const eventListener = new EventListener();7 *8 * eventListener.on('click', function() {9 *   console.log('clicked');10 * });11 *12 * eventListener.trigger('click');13 * --> Calling this logs: 'clicked'14 *15 * Requirements:16 * - It should be able to handle multiple callback functions for the same event name.17 * - If eventListener.trigger is called with additional arguments it should pass those to the listeners.18 * - We should be able to remove a given event listener.19 *20 * ----------------------------------------------------21 * Example 1:22 *23 * const eventListener = new EventListener();24 *25 * eventListener.on('click', function() {26 *   console.log('clicked');27 * });28 *29 * eventListener.trigger('click');30 *31 * --> logs: 'clicked'32 *33 * ----------------------------------------------------34 * Example 2:35 *36 * const eventListener = new EventListener();37 *38 * eventListener.on('click', function() {39 *   console.log('clicked');40 * });41 *42 * eventListener.on('click', function() {43 *   console.log('clicked again');44 * });45 *46 * eventListener.off('click', )47 *48 * eventListener.trigger('click');49 *50 * --> logs: 'clicked'51 *           'clicked again'52 *53 * ----------------------------------------------------54 * Example 3:55 *56 * const eventListener = new EventListener();57 *58 * function logClicked() {59 *   console.log('clicked');60 * }61 *62 * eventListener.on('click', logClicked);63 *64 * eventListener.trigger('click');65 *66 * --> logs: 'clicked'67 *68 * eventListener.off('click', logClicked);69 *70 * eventListener.trigger('click');71 *72 * --> does nothing.73 *74 * ----------------------------------------------------75 * Example 4:76 *77 * const eventListener = new EventListener();78 *79 * eventListener.on('abc', function(target) {80 *   console.log('clicked: ' + target);81 * });82 *83 * eventListener.trigger('abc', 'button');84 *85 * --> logs: 'clicked: button'86 *87 *88 * EventListener class89 * .on() method, .off() method, .trigger() method90 *91 * .on()92 * takes an event name, and callback as arguments93 * store the event name and its callback in an object94 * .on(eventName, callback) {95 *  object[eventName] = [callback];96 * }97 *98 * {'click': [callback1, callback2]}99 *100 * .trigger('click', arg1, arg2)101 * Invoke all of the callbacks specified in calls to .on() that match the event name102 *  If it's passed an additional argument, it should pass that as the arg to the callbacks in .on()103 * [callback1, callback2]104 * Iterate over the callbacks returned, invoke each callback105 * arguments = ['click', arg1, arg2]106 * .trigger(eventName, ...args) {107 *    const callbacks = events[eventName];108 *    Iterate over callbacks, callback(args)109 * }110 *111 * .off(eventName, function)112 *  Lookup the eventhandler callbacks113 * if function is undefined, return114 * iterate over the callbacks and compare to input function115 * if one matches, splice it out of the callback array116 * if after splicing the callback arry is lenth 0, delete the property117 *118 * /119 * */120class EventListener {121  constructor() {122    this.eventHandlers = {};123  }124  on = (eventName, callback) => {125    if (this.eventHandlers[eventName]) {126      this.eventHandlers[eventName].push(callback);127    } else {128      this.eventHandlers[eventName] = [callback];129    }130  }131  trigger = (eventName, ...args) => {132    const callbacks = this.eventHandlers[eventName];133    if (!callbacks) {134      console.log('Event removed');135      return;136    }137    callbacks.forEach(cb => {138      cb.apply(this, args);139    });140  }141  off = (eventName, callback) => {142    if (!callback) {143      return;144    }145    const callbacks = this.eventHandlers[eventName];146    callbacks.forEach((cb, i) => {147      if (cb === callback) {148        callbacks.splice(i, 1);149      }150    });151    if (callbacks.length === 0) {152      delete this.eventHandlers[eventName];153    }154  }155}156//  const eventListener = new EventListener();157//   eventListener.on('click', function() {158//     console.log('clicked');159//   });160//   eventListener.trigger('click');161//  --> logs: 'clicked'162 // const eventListener = new EventListener();163 // function logClicked() {164 //   console.log('clicked');165 // }166 // eventListener.on('click', logClicked);167 // eventListener.trigger('click');168 // // --> logs: 'clicked'169 // eventListener.off('click', logClicked);170 // eventListener.trigger('click');171//  --> logs: 'clicked: button'172 const eventListener = new EventListener();173 eventListener.on('click', function() {174   console.log('clicked');175 });176 eventListener.on('click', function() {177   console.log('clicked again');178 });179 eventListener.off('click', )...

Using AI Code Generation

1const parent = require('stryker-parent');2const eventEmitter = parent.createEventEmitter();3eventEmitter.on('message', (message) => {4  console.log(message);5});6const parent = require('stryker-parent');7const eventEmitter = parent.createEventEmitter();8eventEmitter.emit('message', 'Hello World!');9const parent = require('stryker-parent');10const eventEmitter = parent.createEventEmitter();11eventEmitter.on('message', (message) => {12  console.log(message);13});14eventEmitter.emit('message', 'Hello World!');

Using AI Code Generation

1var parent = require('stryker-parent');2parent.addEventListener('message', function (message) {3    if (message.type === 'start') {4    }5});6var parent = require('stryker-parent');7parent.on('start', function () {8});9var parent = require('stryker-parent');10parent.emit('start');11var parent = require('stryker-parent');12parent.emit('start', 'arg1', 'arg2', 'arg3');13var parent = require('stryker-parent');14parent.emit('start', { foo: 'bar' });15var parent = require('stryker-parent');16parent.emit('start', function () {17});18var parent = require('stryker-parent');19parent.emit('start', 'arg1', 'arg2', 'arg3', function () {20});21var parent = require('stryker-parent');22parent.emit('start', { foo: 'bar' }, function () {23});24var parent = require('stryker-parent');25parent.emit('start', 'arg1', 'arg2', 'arg3', { foo: 'bar' }, function () {26});27var parent = require('stryker-parent');28parent.emit('start', 'arg1', 'arg2', 'arg3', { foo: 'bar' }, function () {29}, 'arg4', 'arg5', 'arg6');

Using AI Code Generation

1var strykerParent = require("stryker-parent");2var eventListener = strykerParent.eventListener;3eventListener.on("test", function(data){4    console.log("test event fired");5    console.log(data);6});7eventListener.on("test2", function(data){8    console.log("test2 event fired");9    console.log(data);10});11eventListener.on("test3", function(data){12    console.log("test3 event fired");13    console.log(data);14});15eventListener.on("test4", function(data){16    console.log("test4 event fired");17    console.log(data);18});19var strykerParent = require("stryker-parent");20var eventListener = strykerParent.eventListener;21eventListener.on("test", function(data){22    console.log("test event fired");23    console.log(data);24});25eventListener.on("test2", function(data){26    console.log("test2 event fired");27    console.log(data);28});29eventListener.on("test3", function(data){30    console.log("test3 event fired");31    console.log(data);32});33eventListener.on("test4", function(data){34    console.log("test4 event fired");35    console.log(data);36});37var strykerParent = require("stryker-parent");38var eventListener = strykerParent.eventListener;39eventListener.on("test", function(data){40    console.log("test event fired");41    console.log(data);42});43eventListener.on("test2", function(data){44    console.log("test2 event fired");45    console.log(data);46});47eventListener.on("test3", function(data){48    console.log("test3 event fired");49    console.log(data);50});51eventListener.on("test4", function(data){52    console.log("test4 event fired");53    console.log(data);54});55var strykerParent = require("stryker-parent");56var eventListener = strykerParent.eventListener;57eventListener.on("test", function(data){58    console.log("test event fired");59    console.log(data);60});61eventListener.on("test2", function(data){62    console.log("test2 event fired");63    console.log(data);

Using AI Code Generation

1const { Parent } = require('stryker-parent');2const parent = new Parent();3parent.addEventListener('message', (message) => {4  console.log(message);5});6parent.postMessage('Hello World!');7const { Parent } = require('stryker-parent');8const parent = new Parent();9parent.on('message', (message) => {10  console.log(message);11});12parent.postMessage('Hello World!');13const { Parent } = require('stryker-parent');14const parent = new Parent();15parent.on('message', (message) => {16  console.log(message);17});18parent.postMessage('Hello World!');19const { Parent } = require('stryker-parent');20const parent = new Parent();21parent.on('message', (message) => {22  console.log(message);23});24parent.postMessage('Hello World!');25const { Parent } = require('stryker-parent');26const parent = new Parent();27parent.on('message', (message) => {28  console.log(message);29});30parent.postMessage('Hello World!');31const { Parent } = require('stryker-parent');32const parent = new Parent();33parent.on('message', (message) => {34  console.log(message);35});36parent.postMessage('Hello World!');37const { Parent } = require('stryker-parent');38const parent = new Parent();39parent.on('message', (message) => {40  console.log(message);41});42parent.postMessage('Hello World!');43const { Parent } = require('stryker-parent');44const parent = new Parent();45parent.on('message', (message) => {46  console.log(message);47});48parent.postMessage('Hello World!');49const { Parent } = require('stryker-parent');50const parent = new Parent();51parent.on('message', (message) => {52  console.log(message);53});54parent.postMessage('Hello World!');55const { Parent } = require('stryker-parent');56const parent = new Parent();57parent.on('message', (message) => {58  console.log(message

Using AI Code Generation

1const { Parent } = require('stryker-parent');2const parent = new Parent();3parent.on('test', (message) => {4  console.log(message);5});6parent.send('test', { message: 'Hello World' });7const { Parent } = require('stryker-parent');8const parent = new Parent();9parent.on('test', (message) => {10  console.log(message);11});12parent.send('test', { message: 'Hello World' });13const { Parent } = require('stryker-parent');14const parent = new Parent();15parent.on('test', (message) => {16  console.log(message);17});18parent.send('test', { message: 'Hello World' });19const { Parent } = require('stryker-parent');20const parent = new Parent();21parent.on('test', (message) => {22  console.log(message);23});24parent.send('test', { message: 'Hello World' });25const { Parent } = require('stryker-parent');26const parent = new Parent();27parent.on('test', (message) => {28  console.log(message);29});30parent.send('test', { message: 'Hello World' });31const { Parent } = require('stryker-parent');32const parent = new Parent();33parent.on('test', (message) => {34  console.log(message);35});36parent.send('test', { message: 'Hello World' });37const { Parent } = require('stryker-parent');38const parent = new Parent();39parent.on('test', (message) => {40  console.log(message);41});42parent.send('test', { message: 'Hello World' });43const { Parent } = require('stryker-parent');44const parent = new Parent();45parent.on('test', (message) => {46  console.log(message);47});48parent.send('test', { message: 'Hello World

Using AI Code Generation

1var strykerParent = require("stryker-parent");2strykerParent.addEventListener("test", function (msg) {3    console.log("Test message received: " + msg);4});5var strykerParent = require("stryker-parent");6strykerParent.emit("test", "Hello world!");

Using AI Code Generation

1var strykerParent = require('stryker-parent');2var childProcess = require('child_process');3var child = childProcess.fork('./child.js');4var childProcessReporter = strykerParent(child);5childProcessReporter.on('test', function (test) {6    console.log('Received test', test);7});8childProcessReporter.on('testResult', function (result) {9    console.log('Received result', result);10});11childProcessReporter.on('allMutantsTested', function (result) {12    console.log('Received allMutantsTested', result);13});14childProcessReporter.on('allTestsPassed', function (result) {15    console.log('Received allTestsPassed', result);16});17childProcessReporter.on('error', function (error) {18    console.log('Received error', error);19});20childProcessReporter.on('progress', function (progress) {21    console.log('Received progress', progress);22});23childProcessReporter.on('childProcessError', function (error) {24    console.log('Received childProcessError', error);25});26childProcessReporter.on('childProcessExit', function (code) {27    console.log('Received childProcessExit', code);28});29childProcessReporter.on('childProcessStdErr', function (data) {30    console.log('Received childProcessStdErr', data);31});32childProcessReporter.on('childProcessStdOut', function (data) {33    console.log('Received childProcessStdOut', data);34});35childProcessReporter.send('test', 'test');36childProcessReporter.send('testResult', 'testResult');37childProcessReporter.send('allMutantsTested', 'allMutantsTested');38childProcessReporter.send('allTestsPassed', 'allTestsPassed');39childProcessReporter.send('error', 'error');40childProcessReporter.send('progress', 'progress');41childProcessReporter.send('childProcessError', 'childProcessError');42childProcessReporter.send('childProcessExit', 'childProcessExit');43childProcessReporter.send('childProcessStdErr', 'childProcessStdErr');44childProcessReporter.send('childProcessStdOut', 'childProcessStdOut');45var strykerParent = require('stryker

Using AI Code Generation

1var strykerParent = require('stryker-parent');2var listener = function (message) {3    console.log('Parent process sent a message: ' + message);4};5strykerParent.addEventListener(listener);6strykerParent.sendEvent('test message');

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.