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How to use listeners method in storybook-root

Best JavaScript code snippet using storybook-root

CCEventManager.js

Source:CCEventManager.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 * @ignore23 */24cc._EventListenerVector = cc.Class.extend({25    _fixedListeners: null,26    _sceneGraphListeners: null,27    gt0Index: 0,28    ctor: function () {29        this._fixedListeners = [];30        this._sceneGraphListeners = [];31    },32    size: function () {33        return this._fixedListeners.length + this._sceneGraphListeners.length;34    },35    empty: function () {36        return (this._fixedListeners.length === 0) && (this._sceneGraphListeners.length === 0);37    },38    push: function (listener) {39        if (listener._getFixedPriority() == 0)40            this._sceneGraphListeners.push(listener);41        else42            this._fixedListeners.push(listener);43    },44    clearSceneGraphListeners: function () {45        this._sceneGraphListeners.length = 0;46    },47    clearFixedListeners: function () {48        this._fixedListeners.length = 0;49    },50    clear: function () {51        this._sceneGraphListeners.length = 0;52        this._fixedListeners.length = 0;53    },54    getFixedPriorityListeners: function () {55        return this._fixedListeners;56    },57    getSceneGraphPriorityListeners: function () {58        return this._sceneGraphListeners;59    }60});61cc.__getListenerID = function (event) {62    var eventType = cc.Event, getType = event.getType();63    if(getType === eventType.ACCELERATION)64        return cc._EventListenerAcceleration.LISTENER_ID;65    if(getType === eventType.CUSTOM)66        return event.getEventName();67    if(getType === eventType.KEYBOARD)68        return cc._EventListenerKeyboard.LISTENER_ID;69    if(getType === eventType.MOUSE)70        return cc._EventListenerMouse.LISTENER_ID;71    if(getType === eventType.TOUCH){72        // Touch listener is very special, it contains two kinds of listeners, EventListenerTouchOneByOne and EventListenerTouchAllAtOnce.73        // return UNKNOWN instead.74        cc.log(cc._LogInfos.__getListenerID);75    }76    return "";77};78/**79 * <p>80 *  cc.eventManager is a singleton object which manages event listener subscriptions and event dispatching. <br/>81 *                                                                                                              <br/>82 *  The EventListener list is managed in such way so that event listeners can be added and removed          <br/>83 *  while events are being dispatched.84 * </p>85 * @class86 * @name cc.eventManager87 */88cc.eventManager = /** @lends cc.eventManager# */{89    //Priority dirty flag90    DIRTY_NONE:0,91    DIRTY_FIXED_PRIORITY:1 <<0,92    DIRTY_SCENE_GRAPH_PRIORITY : 1<< 1,93    DIRTY_ALL: 3,94    _listenersMap: {},95    _priorityDirtyFlagMap: {},96    _nodeListenersMap: {},97    _nodePriorityMap: {},98    _globalZOrderNodeMap: {},99    _toAddedListeners: [],100    _dirtyNodes: [],101    _inDispatch: 0,102    _isEnabled: false,103    _nodePriorityIndex: 0,104    _internalCustomListenerIDs:[cc.game.EVENT_HIDE, cc.game.EVENT_SHOW],105    _setDirtyForNode: function (node) {106        // Mark the node dirty only when there is an event listener associated with it.107        if (this._nodeListenersMap[node.__instanceId] != null)108            this._dirtyNodes.push(node);109        var _children = node.getChildren();110        for(var i = 0, len = _children.length; i < len; i++)111            this._setDirtyForNode(_children[i]);112    },113    /**114     * Pauses all listeners which are associated the specified target.115     * @param {cc.Node} node116     * @param {Boolean} [recursive=false]117     */118    pauseTarget: function (node, recursive) {119        var listeners = this._nodeListenersMap[node.__instanceId], i, len;120        if (listeners) {121            for ( i = 0, len = listeners.length; i < len; i++)122                listeners[i]._setPaused(true);123        }124        if (recursive === true) {125            var locChildren = node.getChildren();126            for ( i = 0, len = locChildren.length; i< len; i++)127                this.pauseTarget(locChildren[i], true);128        }129    },130    /**131     * Resumes all listeners which are associated the specified target.132     * @param {cc.Node} node133     * @param {Boolean} [recursive=false]134     */135    resumeTarget: function (node, recursive) {136        var listeners = this._nodeListenersMap[node.__instanceId], i, len;137        if (listeners){138            for ( i = 0, len = listeners.length; i < len; i++)139                listeners[i]._setPaused(false);140        }141        this._setDirtyForNode(node);142        if (recursive === true) {143            var locChildren = node.getChildren();144            for ( i = 0, len = locChildren.length; i< len; i++)145                this.resumeTarget(locChildren[i], true);146        }147    },148    _addListener: function (listener) {149        if (this._inDispatch === 0)150            this._forceAddEventListener(listener);151        else152            this._toAddedListeners.push(listener);153    },154    _forceAddEventListener: function (listener) {155        var listenerID = listener._getListenerID();156        var listeners = this._listenersMap[listenerID];157        if (!listeners) {158            listeners = new cc._EventListenerVector();159            this._listenersMap[listenerID] = listeners;160        }161        listeners.push(listener);162        if (listener._getFixedPriority() == 0) {163            this._setDirty(listenerID, this.DIRTY_SCENE_GRAPH_PRIORITY);164            var node = listener._getSceneGraphPriority();165            if (node == null)166                cc.log(cc._LogInfos.eventManager__forceAddEventListener);167            this._associateNodeAndEventListener(node, listener);168            if (node.isRunning())169                this.resumeTarget(node);170        } else171            this._setDirty(listenerID, this.DIRTY_FIXED_PRIORITY);172    },173    _getListeners: function (listenerID) {174        return this._listenersMap[listenerID];175    },176    _updateDirtyFlagForSceneGraph: function () {177        if (this._dirtyNodes.length == 0)178            return;179        var locDirtyNodes = this._dirtyNodes, selListeners, selListener, locNodeListenersMap = this._nodeListenersMap;180        for (var i = 0, len = locDirtyNodes.length; i < len; i++) {181            selListeners = locNodeListenersMap[locDirtyNodes[i].__instanceId];182            if (selListeners) {183                for (var j = 0, listenersLen = selListeners.length; j < listenersLen; j++) {184                    selListener = selListeners[j];185                    if (selListener)186                        this._setDirty(selListener._getListenerID(), this.DIRTY_SCENE_GRAPH_PRIORITY);187                }188            }189        }190        this._dirtyNodes.length = 0;191    },192    _removeAllListenersInVector: function (listenerVector) {193        if (!listenerVector)194            return;195        var selListener;196        for (var i = 0; i < listenerVector.length;) {197            selListener = listenerVector[i];198            selListener._setRegistered(false);199            if (selListener._getSceneGraphPriority() != null){200                this._dissociateNodeAndEventListener(selListener._getSceneGraphPriority(), selListener);201                selListener._setSceneGraphPriority(null);   // NULL out the node pointer so we don't have any dangling pointers to destroyed nodes.202            }203            if (this._inDispatch === 0)204                cc.arrayRemoveObject(listenerVector, selListener);205            else206                ++i;207        }208    },209    _removeListenersForListenerID: function (listenerID) {210        var listeners = this._listenersMap[listenerID], i;211        if (listeners) {212            var fixedPriorityListeners = listeners.getFixedPriorityListeners();213            var sceneGraphPriorityListeners = listeners.getSceneGraphPriorityListeners();214            this._removeAllListenersInVector(sceneGraphPriorityListeners);215            this._removeAllListenersInVector(fixedPriorityListeners);216            // Remove the dirty flag according the 'listenerID'.217            // No need to check whether the dispatcher is dispatching event.218            delete this._priorityDirtyFlagMap[listenerID];219            if (!this._inDispatch) {220                listeners.clear();221                delete this._listenersMap[listenerID];222            }223        }224        var locToAddedListeners = this._toAddedListeners, listener;225        for (i = 0; i < locToAddedListeners.length;) {226            listener = locToAddedListeners[i];227            if (listener && listener._getListenerID() == listenerID)228                cc.arrayRemoveObject(locToAddedListeners, listener);229            else230                ++i;231        }232    },233    _sortEventListeners: function (listenerID) {234        var dirtyFlag = this.DIRTY_NONE,  locFlagMap = this._priorityDirtyFlagMap;235        if (locFlagMap[listenerID])236            dirtyFlag = locFlagMap[listenerID];237        if (dirtyFlag != this.DIRTY_NONE) {238            // Clear the dirty flag first, if `rootNode` is null, then set its dirty flag of scene graph priority239            locFlagMap[listenerID] = this.DIRTY_NONE;240            if (dirtyFlag & this.DIRTY_FIXED_PRIORITY)241                this._sortListenersOfFixedPriority(listenerID);242            if (dirtyFlag & this.DIRTY_SCENE_GRAPH_PRIORITY){243                var rootNode = cc.director.getRunningScene();244                if(rootNode)245                    this._sortListenersOfSceneGraphPriority(listenerID, rootNode);246                else247                    locFlagMap[listenerID] = this.DIRTY_SCENE_GRAPH_PRIORITY;248            }249        }250    },251    _sortListenersOfSceneGraphPriority: function (listenerID, rootNode) {252        var listeners = this._getListeners(listenerID);253        if (!listeners)254            return;255        var sceneGraphListener = listeners.getSceneGraphPriorityListeners();256        if(!sceneGraphListener || sceneGraphListener.length === 0)257            return;258        // Reset priority index259        this._nodePriorityIndex = 0;260        this._nodePriorityMap = {};261        this._visitTarget(rootNode, true);262        // After sort: priority < 0, > 0263        listeners.getSceneGraphPriorityListeners().sort(this._sortEventListenersOfSceneGraphPriorityDes);264    },265    _sortEventListenersOfSceneGraphPriorityDes : function(l1, l2){266        var locNodePriorityMap = cc.eventManager._nodePriorityMap;267        if(!l1 || !l2 || !l1._getSceneGraphPriority() || !l2._getSceneGraphPriority())268            return -1;269        return locNodePriorityMap[l2._getSceneGraphPriority().__instanceId] - locNodePriorityMap[l1._getSceneGraphPriority().__instanceId];270    },271    _sortListenersOfFixedPriority: function (listenerID) {272        var listeners = this._listenersMap[listenerID];273        if (!listeners)274            return;275        var fixedListeners = listeners.getFixedPriorityListeners();276        if(!fixedListeners || fixedListeners.length === 0)277            return;278        // After sort: priority < 0, > 0279        fixedListeners.sort(this._sortListenersOfFixedPriorityAsc);280        // FIXME: Should use binary search281        var index = 0;282        for (var len = fixedListeners.length; index < len;) {283            if (fixedListeners[index]._getFixedPriority() >= 0)284                break;285            ++index;286        }287        listeners.gt0Index = index;288    },289    _sortListenersOfFixedPriorityAsc: function (l1, l2) {290        return l1._getFixedPriority() - l2._getFixedPriority();291    },292    _onUpdateListeners: function (listenerID) {293        var listeners = this._listenersMap[listenerID];294        if (!listeners)295            return;296        var fixedPriorityListeners = listeners.getFixedPriorityListeners();297        var sceneGraphPriorityListeners = listeners.getSceneGraphPriorityListeners();298        var i, selListener;299        if (sceneGraphPriorityListeners) {300            for (i = 0; i < sceneGraphPriorityListeners.length;) {301                selListener = sceneGraphPriorityListeners[i];302                if (!selListener._isRegistered()) {303                    cc.arrayRemoveObject(sceneGraphPriorityListeners, selListener);304                } else305                    ++i;306            }307        }308        if (fixedPriorityListeners) {309            for (i = 0; i < fixedPriorityListeners.length;) {310                selListener = fixedPriorityListeners[i];311                if (!selListener._isRegistered())312                    cc.arrayRemoveObject(fixedPriorityListeners, selListener);313                else314                    ++i;315            }316        }317        if (sceneGraphPriorityListeners && sceneGraphPriorityListeners.length === 0)318            listeners.clearSceneGraphListeners();319        if (fixedPriorityListeners && fixedPriorityListeners.length === 0)320            listeners.clearFixedListeners();321    },322    _updateListeners: function (event) {323        var locInDispatch = this._inDispatch;324        cc.assert(locInDispatch > 0, cc._LogInfos.EventManager__updateListeners);325        if (event.getType() == cc.Event.TOUCH) {326            this._onUpdateListeners(cc._EventListenerTouchOneByOne.LISTENER_ID);327            this._onUpdateListeners(cc._EventListenerTouchAllAtOnce.LISTENER_ID);328        } else329            this._onUpdateListeners(cc.__getListenerID(event));330        if(locInDispatch > 1)331            return;332        cc.assert(locInDispatch == 1, cc._LogInfos.EventManager__updateListeners_2);333        var locListenersMap = this._listenersMap, locPriorityDirtyFlagMap = this._priorityDirtyFlagMap;334        for (var selKey in locListenersMap) {335            if (locListenersMap[selKey].empty()) {336                delete locPriorityDirtyFlagMap[selKey];337                delete locListenersMap[selKey];338            }339        }340        var locToAddedListeners = this._toAddedListeners;341        if (locToAddedListeners.length !== 0) {342            for (var i = 0, len = locToAddedListeners.length; i < len; i++)343                this._forceAddEventListener(locToAddedListeners[i]);344            this._toAddedListeners.length = 0;345        }346    },347    _onTouchEventCallback: function(listener, argsObj){348        // Skip if the listener was removed.349        if (!listener._isRegistered)350            return false;351        var event = argsObj.event, selTouch = argsObj.selTouch;352        event._setCurrentTarget(listener._node);353        var isClaimed = false, removedIdx;354        var getCode = event.getEventCode(), eventCode = cc.EventTouch.EventCode;355        if (getCode == eventCode.BEGAN) {356            if (listener.onTouchBegan) {357                isClaimed = listener.onTouchBegan(selTouch, event);358                if (isClaimed && listener._registered)359                    listener._claimedTouches.push(selTouch);360            }361        } else if (listener._claimedTouches.length > 0362            && ((removedIdx = listener._claimedTouches.indexOf(selTouch)) != -1)) {363            isClaimed = true;364            if(getCode === eventCode.MOVED && listener.onTouchMoved){365                listener.onTouchMoved(selTouch, event);366            } else if(getCode === eventCode.ENDED){367                if (listener.onTouchEnded)368                    listener.onTouchEnded(selTouch, event);369                if (listener._registered)370                    listener._claimedTouches.splice(removedIdx, 1);371            } else if(getCode === eventCode.CANCELLED){372                if (listener.onTouchCancelled)373                    listener.onTouchCancelled(selTouch, event);374                if (listener._registered)375                    listener._claimedTouches.splice(removedIdx, 1);376            }377        }378        // If the event was stopped, return directly.379        if (event.isStopped()) {380            cc.eventManager._updateListeners(event);381            return true;382        }383        if (isClaimed && listener._registered && listener.swallowTouches) {384            if (argsObj.needsMutableSet)385                argsObj.touches.splice(selTouch, 1);386            return true;387        }388        return false;389    },390    _dispatchTouchEvent: function (event) {391        this._sortEventListeners(cc._EventListenerTouchOneByOne.LISTENER_ID);392        this._sortEventListeners(cc._EventListenerTouchAllAtOnce.LISTENER_ID);393        var oneByOneListeners = this._getListeners(cc._EventListenerTouchOneByOne.LISTENER_ID);394        var allAtOnceListeners = this._getListeners(cc._EventListenerTouchAllAtOnce.LISTENER_ID);395        // If there aren't any touch listeners, return directly.396        if (null == oneByOneListeners && null == allAtOnceListeners)397            return;398        var originalTouches = event.getTouches(), mutableTouches = cc.copyArray(originalTouches);399        var oneByOneArgsObj = {event: event, needsMutableSet: (oneByOneListeners && allAtOnceListeners), touches: mutableTouches, selTouch: null};400        //401        // process the target handlers 1st402        //403        if (oneByOneListeners) {404            for (var i = 0; i < originalTouches.length; i++) {405                oneByOneArgsObj.selTouch = originalTouches[i];406                this._dispatchEventToListeners(oneByOneListeners, this._onTouchEventCallback, oneByOneArgsObj);407                if (event.isStopped())408                    return;409            }410        }411        //412        // process standard handlers 2nd413        //414        if (allAtOnceListeners && mutableTouches.length > 0) {415            this._dispatchEventToListeners(allAtOnceListeners, this._onTouchesEventCallback, {event: event, touches: mutableTouches});416            if (event.isStopped())417                return;418        }419        this._updateListeners(event);420    },421    _onTouchesEventCallback: function (listener, callbackParams) {422        // Skip if the listener was removed.423        if (!listener._registered)424            return false;425        var eventCode = cc.EventTouch.EventCode, event = callbackParams.event, touches = callbackParams.touches, getCode = event.getEventCode();426        event._setCurrentTarget(listener._node);427        if(getCode == eventCode.BEGAN && listener.onTouchesBegan)428            listener.onTouchesBegan(touches, event);429        else if(getCode == eventCode.MOVED && listener.onTouchesMoved)430            listener.onTouchesMoved(touches, event);431        else if(getCode == eventCode.ENDED && listener.onTouchesEnded)432            listener.onTouchesEnded(touches, event);433        else if(getCode == eventCode.CANCELLED && listener.onTouchesCancelled)434            listener.onTouchesCancelled(touches, event);435        // If the event was stopped, return directly.436        if (event.isStopped()) {437            cc.eventManager._updateListeners(event);438            return true;439        }440        return false;441    },442    _associateNodeAndEventListener: function (node, listener) {443        var listeners = this._nodeListenersMap[node.__instanceId];444        if (!listeners) {445            listeners = [];446            this._nodeListenersMap[node.__instanceId] = listeners;447        }448        listeners.push(listener);449    },450    _dissociateNodeAndEventListener: function (node, listener) {451        var listeners = this._nodeListenersMap[node.__instanceId];452        if (listeners) {453            cc.arrayRemoveObject(listeners, listener);454            if (listeners.length === 0)455                delete this._nodeListenersMap[node.__instanceId];456        }457    },458    _dispatchEventToListeners: function (listeners, onEvent, eventOrArgs) {459        var shouldStopPropagation = false;460        var fixedPriorityListeners = listeners.getFixedPriorityListeners();461        var sceneGraphPriorityListeners = listeners.getSceneGraphPriorityListeners();462        var i = 0, j, selListener;463        if (fixedPriorityListeners) {  // priority < 0464            if (fixedPriorityListeners.length !== 0) {465                for (; i < listeners.gt0Index; ++i) {466                    selListener = fixedPriorityListeners[i];467                    if (selListener.isEnabled() && !selListener._isPaused() && selListener._isRegistered() && onEvent(selListener, eventOrArgs)) {468                        shouldStopPropagation = true;469                        break;470                    }471                }472            }473        }474        if (sceneGraphPriorityListeners && !shouldStopPropagation) {    // priority == 0, scene graph priority475            for (j = 0; j < sceneGraphPriorityListeners.length; j++) {476                selListener = sceneGraphPriorityListeners[j];477                if (selListener.isEnabled() && !selListener._isPaused() && selListener._isRegistered() && onEvent(selListener, eventOrArgs)) {478                    shouldStopPropagation = true;479                    break;480                }481            }482        }483        if (fixedPriorityListeners && !shouldStopPropagation) {    // priority > 0484            for (; i < fixedPriorityListeners.length; ++i) {485                selListener = fixedPriorityListeners[i];486                if (selListener.isEnabled() && !selListener._isPaused() && selListener._isRegistered() && onEvent(selListener, eventOrArgs)) {487                    shouldStopPropagation = true;488                    break;489                }490            }491        }492    },493    _setDirty: function (listenerID, flag) {494        var locDirtyFlagMap = this._priorityDirtyFlagMap;495        if (locDirtyFlagMap[listenerID] == null)496            locDirtyFlagMap[listenerID] = flag;497        else498            locDirtyFlagMap[listenerID] = flag | locDirtyFlagMap[listenerID];499    },500    _visitTarget: function (node, isRootNode) {501        var children = node.getChildren(), i = 0;502        var childrenCount = children.length, locGlobalZOrderNodeMap = this._globalZOrderNodeMap, locNodeListenersMap = this._nodeListenersMap;503        if (childrenCount > 0) {504            var child;505            // visit children zOrder < 0506            for (; i < childrenCount; i++) {507                child = children[i];508                if (child && child.getLocalZOrder() < 0)509                    this._visitTarget(child, false);510                else511                    break;512            }513            if (locNodeListenersMap[node.__instanceId] != null) {514                if (!locGlobalZOrderNodeMap[node.getGlobalZOrder()])515                    locGlobalZOrderNodeMap[node.getGlobalZOrder()] = [];516                locGlobalZOrderNodeMap[node.getGlobalZOrder()].push(node.__instanceId);517            }518            for (; i < childrenCount; i++) {519                child = children[i];520                if (child)521                    this._visitTarget(child, false);522            }523        } else {524            if (locNodeListenersMap[node.__instanceId] != null) {525                if (!locGlobalZOrderNodeMap[node.getGlobalZOrder()])526                    locGlobalZOrderNodeMap[node.getGlobalZOrder()] = [];527                locGlobalZOrderNodeMap[node.getGlobalZOrder()].push(node.__instanceId);528            }529        }530        if (isRootNode) {531            var globalZOrders = [];532            for (var selKey in locGlobalZOrderNodeMap)533                globalZOrders.push(selKey);534            globalZOrders.sort(this._sortNumberAsc);535            var zOrdersLen = globalZOrders.length, selZOrders, j, locNodePriorityMap = this._nodePriorityMap;536            for (i = 0; i < zOrdersLen; i++) {537                selZOrders = locGlobalZOrderNodeMap[globalZOrders[i]];538                for (j = 0; j < selZOrders.length; j++)539                    locNodePriorityMap[selZOrders[j]] = ++this._nodePriorityIndex;540            }541            this._globalZOrderNodeMap = {};542        }543    },544    _sortNumberAsc : function (a, b) {545        return a - b;546    },547    /**548     * <p>549     * Adds a event listener for a specified event.                                                                                                            <br/>550     * if the parameter "nodeOrPriority" is a node, it means to add a event listener for a specified event with the priority of scene graph.                   <br/>551     * if the parameter "nodeOrPriority" is a Number, it means to add a event listener for a specified event with the fixed priority.                          <br/>552     * </p>553     * @param {cc.EventListener|Object} listener The listener of a specified event or a object of some event parameters.554     * @param {cc.Node|Number} nodeOrPriority The priority of the listener is based on the draw order of this node or fixedPriority The fixed priority of the listener.555     * @note  The priority of scene graph will be fixed value 0. So the order of listener item in the vector will be ' <0, scene graph (0 priority), >0'.556     *         A lower priority will be called before the ones that have a higher value. 0 priority is forbidden for fixed priority since it's used for scene graph based priority.557     *         The listener must be a cc.EventListener object when adding a fixed priority listener, because we can't remove a fixed priority listener without the listener handler,558     *         except calls removeAllListeners().559     * @return {cc.EventListener} Return the listener. Needed in order to remove the event from the dispatcher.560     */561    addListener: function (listener, nodeOrPriority) {562        cc.assert(listener && nodeOrPriority, cc._LogInfos.eventManager_addListener_2);563        if(!(listener instanceof cc.EventListener)){564            cc.assert(!cc.isNumber(nodeOrPriority), cc._LogInfos.eventManager_addListener_3);565            listener = cc.EventListener.create(listener);566        } else {567            if(listener._isRegistered()){568                cc.log(cc._LogInfos.eventManager_addListener_4);569                return;570            }571        }572        if (!listener.checkAvailable())573            return;574        if (cc.isNumber(nodeOrPriority)) {575            if (nodeOrPriority == 0) {576                cc.log(cc._LogInfos.eventManager_addListener);577                return;578            }579            listener._setSceneGraphPriority(null);580            listener._setFixedPriority(nodeOrPriority);581            listener._setRegistered(true);582            listener._setPaused(false);583            this._addListener(listener);584        } else {585            listener._setSceneGraphPriority(nodeOrPriority);586            listener._setFixedPriority(0);587            listener._setRegistered(true);588            this._addListener(listener);589        }590        return listener;591    },592    /**593     * Adds a Custom event listener. It will use a fixed priority of 1.594     * @param {string} eventName595     * @param {function} callback596     * @return {cc.EventListener} the generated event. Needed in order to remove the event from the dispatcher597     */598    addCustomListener: function (eventName, callback) {599        var listener = new cc._EventListenerCustom(eventName, callback);600        this.addListener(listener, 1);601        return listener;602    },603    /**604     * Remove a listener605     * @param {cc.EventListener} listener an event listener or a registered node target606     */607    removeListener: function (listener) {608        if (listener == null)609            return;610        var isFound, locListener = this._listenersMap;611        for (var selKey in locListener) {612            var listeners = locListener[selKey];613            var fixedPriorityListeners = listeners.getFixedPriorityListeners(), sceneGraphPriorityListeners = listeners.getSceneGraphPriorityListeners();614            isFound = this._removeListenerInVector(sceneGraphPriorityListeners, listener);615            if (isFound){616                // fixed #4160: Dirty flag need to be updated after listeners were removed.617               this._setDirty(listener._getListenerID(), this.DIRTY_SCENE_GRAPH_PRIORITY);618            }else{619                isFound = this._removeListenerInVector(fixedPriorityListeners, listener);620                if (isFound)621                    this._setDirty(listener._getListenerID(), this.DIRTY_FIXED_PRIORITY);622            }623            if (listeners.empty()) {624                delete this._priorityDirtyFlagMap[listener._getListenerID()];625                delete locListener[selKey];626            }627            if (isFound)628                break;629        }630        if (!isFound) {631            var locToAddedListeners = this._toAddedListeners;632            for (var i = 0, len = locToAddedListeners.length; i < len; i++) {633                var selListener = locToAddedListeners[i];634                if (selListener == listener) {635                    cc.arrayRemoveObject(locToAddedListeners, selListener);636                    selListener._setRegistered(false);637                    break;638                }639            }640        }641    },642    _removeListenerInVector : function(listeners, listener){643        if (listeners == null)644            return false;645        for (var i = 0, len = listeners.length; i < len; i++) {646            var selListener = listeners[i];647            if (selListener == listener) {648                selListener._setRegistered(false);649                if (selListener._getSceneGraphPriority() != null){650                    this._dissociateNodeAndEventListener(selListener._getSceneGraphPriority(), selListener);651                    selListener._setSceneGraphPriority(null);         // NULL out the node pointer so we don't have any dangling pointers to destroyed nodes.652                }653                if (this._inDispatch == 0)654                    cc.arrayRemoveObject(listeners, selListener);655                return true;656            }657        }658        return false;659    },660    /**661     * Removes all listeners with the same event listener type or removes all listeners of a node662     * @param {Number|cc.Node} listenerType listenerType or a node663     * @param {Boolean} [recursive=false]664     */665    removeListeners: function (listenerType, recursive) {666        var _t = this;667        if (listenerType instanceof cc.Node) {668            // Ensure the node is removed from these immediately also.669            // Don't want any dangling pointers or the possibility of dealing with deleted objects..670            delete _t._nodePriorityMap[listenerType.__instanceId];671            cc.arrayRemoveObject(_t._dirtyNodes, listenerType);672            var listeners = _t._nodeListenersMap[listenerType.__instanceId], i;673            if (listeners) {674                var listenersCopy = cc.copyArray(listeners);675                for (i = 0; i < listenersCopy.length; i++)676                    _t.removeListener(listenersCopy[i]);677                listenersCopy.length = 0;678            }679            // Bug fix: ensure there are no references to the node in the list of listeners to be added.680            // If we find any listeners associated with the destroyed node in this list then remove them.681            // This is to catch the scenario where the node gets destroyed before it's listener682            // is added into the event dispatcher fully. This could happen if a node registers a listener683            // and gets destroyed while we are dispatching an event (touch etc.)684            var locToAddedListeners = _t._toAddedListeners;685            for (i = 0; i < locToAddedListeners.length; ) {686                var listener = locToAddedListeners[i];687                if (listener._getSceneGraphPriority() == listenerType) {688                    listener._setSceneGraphPriority(null);                      // Ensure no dangling ptr to the target node.689                    listener._setRegistered(false);690                    locToAddedListeners.splice(i, 1);691                } else692                    ++i;693            }694            if (recursive === true) {695                var locChildren = listenerType.getChildren(), len;696                for (i = 0, len = locChildren.length; i< len; i++)697                    _t.removeListeners(locChildren[i], true);698            }699        } else {700            if (listenerType == cc.EventListener.TOUCH_ONE_BY_ONE)701                _t._removeListenersForListenerID(cc._EventListenerTouchOneByOne.LISTENER_ID);702            else if (listenerType == cc.EventListener.TOUCH_ALL_AT_ONCE)703                _t._removeListenersForListenerID(cc._EventListenerTouchAllAtOnce.LISTENER_ID);704            else if (listenerType == cc.EventListener.MOUSE)705                _t._removeListenersForListenerID(cc._EventListenerMouse.LISTENER_ID);706            else if (listenerType == cc.EventListener.ACCELERATION)707                _t._removeListenersForListenerID(cc._EventListenerAcceleration.LISTENER_ID);708            else if (listenerType == cc.EventListener.KEYBOARD)709                _t._removeListenersForListenerID(cc._EventListenerKeyboard.LISTENER_ID);710            else711                cc.log(cc._LogInfos.eventManager_removeListeners);712        }713    },714    /**715     * Removes all custom listeners with the same event name716     * @param {string} customEventName717     */718    removeCustomListeners: function (customEventName) {719        this._removeListenersForListenerID(customEventName);720    },721    /**722     * Removes all listeners723     */724    removeAllListeners: function () {725        var locListeners = this._listenersMap, locInternalCustomEventIDs = this._internalCustomListenerIDs;726        for (var selKey in locListeners){727            if(locInternalCustomEventIDs.indexOf(selKey) === -1)728                this._removeListenersForListenerID(selKey);729        }730    },731    /**732     * Sets listener's priority with fixed value.733     * @param {cc.EventListener} listener734     * @param {Number} fixedPriority735     */736    setPriority: function (listener, fixedPriority) {737        if (listener == null)738            return;739        var locListeners = this._listenersMap;740        for (var selKey in locListeners) {741            var selListeners = locListeners[selKey];742            var fixedPriorityListeners = selListeners.getFixedPriorityListeners();743            if (fixedPriorityListeners) {744                var found = fixedPriorityListeners.indexOf(listener);745                if (found != -1) {746                    if(listener._getSceneGraphPriority() != null)747                        cc.log(cc._LogInfos.eventManager_setPriority);748                    if (listener._getFixedPriority() !== fixedPriority) {749                        listener._setFixedPriority(fixedPriority);750                        this._setDirty(listener._getListenerID(), this.DIRTY_FIXED_PRIORITY);751                    }752                    return;753                }754            }755        }756    },757    /**758     * Whether to enable dispatching events759     * @param {boolean} enabled760     */761    setEnabled: function (enabled) {762        this._isEnabled = enabled;763    },764    /**765     * Checks whether dispatching events is enabled766     * @returns {boolean}767     */768    isEnabled: function () {769        return this._isEnabled;770    },771    /**772     * Dispatches the event, also removes all EventListeners marked for deletion from the event dispatcher list.773     * @param {cc.Event} event774     */775    dispatchEvent: function (event) {776        if (!this._isEnabled)777            return;778        this._updateDirtyFlagForSceneGraph();779        this._inDispatch++;780        if(!event || !event.getType)781            throw "event is undefined";782        if (event.getType() == cc.Event.TOUCH) {783            this._dispatchTouchEvent(event);784            this._inDispatch--;785            return;786        }787        var listenerID = cc.__getListenerID(event);788        this._sortEventListeners(listenerID);789        var selListeners = this._listenersMap[listenerID];790        if (selListeners != null)791            this._dispatchEventToListeners(selListeners, this._onListenerCallback, event);792        this._updateListeners(event);793        this._inDispatch--;794    },795    _onListenerCallback: function(listener, event){796        event._setCurrentTarget(listener._getSceneGraphPriority());797        listener._onEvent(event);798        return event.isStopped();799    },800    /**801     * Dispatches a Custom Event with a event name an optional user data802     * @param {string} eventName803     * @param {*} optionalUserData804     */805    dispatchCustomEvent: function (eventName, optionalUserData) {806        var ev = new cc.EventCustom(eventName);807        ev.setUserData(optionalUserData);808        this.dispatchEvent(ev);809    }810};811// The event helper812cc.EventHelper = function(){};813cc.EventHelper.prototype = {814    constructor: cc.EventHelper,815    apply: function ( object ) {816        object.addEventListener = cc.EventHelper.prototype.addEventListener;817        object.hasEventListener = cc.EventHelper.prototype.hasEventListener;818        object.removeEventListener = cc.EventHelper.prototype.removeEventListener;819        object.dispatchEvent = cc.EventHelper.prototype.dispatchEvent;820    },821    addEventListener: function ( type, listener, target ) {822        if ( this._listeners === undefined )823            this._listeners = {};824        var listeners = this._listeners;825        if ( listeners[ type ] === undefined )826            listeners[ type ] = [];827        if ( !this.hasEventListener(type, listener, target))828            listeners[ type ].push( {callback:listener, eventTarget: target} );829    },830    hasEventListener: function ( type, listener, target ) {831        if ( this._listeners === undefined )832            return false;833        var listeners = this._listeners;834        if ( listeners[ type ] !== undefined ) {835            for(var i = 0, len = listeners.length; i < len ; i++){836                var selListener = listeners[i];837                if(selListener.callback == listener && selListener.eventTarget == target)838                    return true;839            }840        }841        return false;842    },843    removeEventListener: function( type, target){844        if ( this._listeners === undefined )845            return;846        var listeners = this._listeners;847        var listenerArray = listeners[ type ];848        if ( listenerArray !== undefined ) {849            for(var i = 0; i < listenerArray.length ; ){850                var selListener = listenerArray[i];851                if(selListener.eventTarget == target)852                    listenerArray.splice( i, 1 );853                else854                    i++855            }856        }857    },858    dispatchEvent: function ( event, clearAfterDispatch ) {859        if ( this._listeners === undefined )860            return;861        if(clearAfterDispatch == null)862            clearAfterDispatch = true;863        var listeners = this._listeners;864        var listenerArray = listeners[ event];865        if ( listenerArray !== undefined ) {866            var array = [];867            var length = listenerArray.length;868            for ( var i = 0; i < length; i ++ ) {869                array[ i ] = listenerArray[ i ];870            }871            for ( i = 0; i < length; i ++ ) {872                array[ i ].callback.call( array[i].eventTarget, this );873            }874            if(clearAfterDispatch)875                listenerArray.length = 0;876        }877    }...

EventBus.ts

Source:EventBus.ts

1///<reference path="../collections/List.ts"/>2///<reference path="../collections/KeyMap.ts"/>3module EventBus{4    var listeners:KeyMap<any> = new KeyMap('listeners');5    // add event listener6    export function addEventListener(type:string, callback:any):void{7        var typeExists:boolean = listeners.has(type);8        if(!typeExists){9            createType(type);10        }11        var typeListeners:12            List<any> = getTypeListeners(type);13        addTypeListener(callback, typeListeners);14    }15    // remove event listener16    export function removeEventListener(type:string, callback:any):void{17        var typeExists:boolean = listeners.has(type);18        if(!typeExists){19            return;20        }21        var typeListeners:List<any> = getTypeListeners(type);22        removeTypeListeners(callback, typeListeners);23    }24    export function dispatchEvent(type:string, eventData:any):void{25        var typeExists:boolean = listeners.has(type);26        if(!typeExists){27            return;28        }29        var typeListeners:List<any> = getTypeListeners(type);30        executeListenersCallback(typeListeners, eventData);31    }32    function executeListenersCallback(typeListeners:List<any>, eventData:any):void{33        var iterator:ListIterator = typeListeners.getIterator();34        while(iterator.hasNext()){35            var listenerCallback = iterator.next();36            listenerCallback.call(this, eventData);37        }38    }39    function getTypeListeners(type:string):List<any>{40        return listeners.get(type);41    }42    function createType(type:string):void{43        var typeListeners:List<any> = createTypeListeners(type);44        listeners.add(type, typeListeners);45    }46    function addTypeListener(callback:any, typeListeners:List<any>):void{47        typeListeners.add(callback);48    }49    function createTypeListeners(type:string):List<any>{50        return new List(type);51    }52    function removeTypeListeners(callback:any, typeListeners:List<any>):void{53        var iterator:ListIterator = typeListeners.getIterator();54        var currentTypeListeners:any[] = new Array();55        var index:number = -1;56        while(iterator.hasNext()){57            index++;58            var typeListener:any = iterator.next();59            if(callback.toString() == typeListener.toString()){60                currentTypeListeners.push(index);61            }62        }63        removeCurrentTypeListeners(currentTypeListeners, typeListeners);64        updateListeners(typeListeners);65    }66    function removeCurrentTypeListeners(currentTypeListeners:any[], typeListeners:List<any>):void{67        if(currentTypeListeners.length > 0){68            for(var i:number =0; i<currentTypeListeners.length; i++){69                var listenerToRemoveIndex:number = currentTypeListeners[i];70                typeListeners.remove(listenerToRemoveIndex);71            }72        }73    }74    function updateListeners(typeListeners:List<any>):void{75        if(typeListeners.size()==0){76            removeType(typeListeners);77        }78    }79    function removeType(typeListeners:List<any>):void{80        var type:string = typeListeners.getId();81        listeners.remove(type);82    }...

Using AI Code Generation

1import React from 'react';2import { storiesOf } from '@storybook/react';3import { action } from '@storybook/addon-actions';4import { withInfo } from '@storybook/addon-info';5import Button from './Button';6storiesOf('Button', module)7  .addDecorator(withInfo)8  .add('with text', () => (9    <Button onClick={action('clicked')}>Hello Button</Button>10  ));11import React from 'react';12import PropTypes from 'prop-types';13const Button = ({ onClick, children }) => (14  <button onClick={onClick} type="button">15    {children}16);17Button.propTypes = {18};19export default Button;20    at Object.isExportDeclaration (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/babel-plugin-react-docgen/lib/index.js:59:12)21    at PluginPass.ExportNamedDeclaration (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/babel-plugin-react-docgen/lib/index.js:87:27)22    at newFn (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/@babel/traverse/lib/visitors.js:193:21)23    at NodePath._call (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/@babel/traverse/lib/path/context.js:53:20)24    at NodePath.call (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/@babel/traverse/lib/path/context.js:40:17)25    at NodePath.visit (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/@babel/traverse/lib/path/context.js:88:12)26    at TraversalContext.visitQueue (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/@babel/traverse/lib/context.js:118:16)27    at TraversalContext.visitSingle (/Users/abhishek/Desktop/ReactJS/React-Redux-Boilerplate/node_modules/@babel/traverse/lib/context.js:90:19

Using AI Code Generation

1import { listeners } from 'storybook-root';2import { listeners } from 'storybook-root';3import { listeners } from 'storybook-root';4import { listeners } from 'storybook-root';5import { listeners } from 'storybook-root';6import { listeners } from 'storybook-root';7import { listeners } from 'storybook-root';8import { listeners } from 'storybook-root';9import { listeners } from 'storybook-root';10import { listeners } from 'storybook-root';11import { listeners } from 'storybook-root';12import { listeners } from 'storybook-root';13import { listeners } from 'storybook-root';14import { listeners } from 'storybook-root';

Using AI Code Generation

1const { listeners } = require('storybook-root');2listeners.add('test', (data) => {3  console.log(data);4});5listeners.remove('test');6listeners.removeAll();7listeners.has('test');8listeners.count();9jest.mock('storybook-root', () => {10  return {11    listeners: {12      add: jest.fn(),13      remove: jest.fn(),14      removeAll: jest.fn(),15      has: jest.fn(),16      count: jest.fn(),17    },18  };19});20const { listeners } = require('storybook-root');21listeners.add('test', (data) => {22  console.log(data);23});24listeners.remove('test');25listeners.removeAll();26listeners.has('test');27listeners.count();28const { listeners } = require('storybook-root');29listeners.add('test', (data) => {30  console.log(data);31});32listeners.remove('test');33listeners.removeAll();34listeners.has('test');35listeners.count();

Using AI Code Generation

1import { listeners } from "storybook-root";2import { storiesOf } from "@storybook/react";3import React from "react";4const stories = storiesOf("Button", module);5const Button = ({ onClick, children }) => (6  <button onClick={onClick}>{children}</button>7);8stories.add("with text", () => (9  <Button onClick={() => console.log("clicked")}>Click me</Button>10));11listeners.on("story", ({ name }) => console.log(`Story ${name} rendered`));12listeners.on("story", ({ name }) => console.log(`Story ${name} rendered`));13import "test.js";14import { listeners } from "storybook-root";15listeners.on("story", ({ name }) => console.log(`Story ${name} rendered`));16import { listeners } from "storybook-root";17listeners.on("story", ({ name }) => console.log(`Story ${name} rendered`));18  window.parent.__STORYBOOK_ADDONS.channel.on("storybookjs/knobs/change", function(data) {19    console.log("Knob changed", data);20  });21  window.parent.__STORYBOOK_ADDONS.channel.on("storybookjs/knobs/change", function(data) {22    console.log("Knob changed", data);23  });24  window.parent.__STORYBOOK_ADDONS.channel.on("storybookjs/knobs/change", function(data) {25    console.log("Knob changed", data);26  });27  window.parent.__STORYBOOK_ADDONS.channel.on("storybookjs/knobs/change", function(data) {28    console.log("Knob changed", data);29  });30  window.parent.__STORYBOOK_ADDONS.channel.on("storybookjs/knobs/change", function(data) {31    console.log("Knob changed", data);32  });33  window.parent.__STORYBOOK_ADDONS.channel.on("storybookjs/knobs/change", function(data) {34    console.log("Kn

Using AI Code Generation

1import { listeners } from 'storybook-root';2import { addListener } from '@storybook/addons';3listeners.forEach(listener => addListener(listener));4import { listeners } from 'storybook-root';5import { addListener } from '@storybook/addons';6listeners.forEach(listener => addListener(listener));7import { listeners } from 'storybook-root';8import { addListener } from '@storybook/addons';9listeners.forEach(listener => addListener(listener));10import { listeners } from 'storybook-root';11import { addListener } from '@storybook/addons';12listeners.forEach(listener => addListener(listener));13import { listeners } from 'storybook-root';14import { addListener } from '@storybook/addons';15listeners.forEach(listener => addListener(listener));16import { listeners } from 'storybook-root';17import { addListener } from '@storybook/addons';18listeners.forEach(listener => addListener(listener));19import { listeners } from 'storybook-root';20import { addListener } from '@storybook/addons';21listeners.forEach(listener => addListener(listener));22import { listeners } from 'storybook-root';23import { addListener } from '@storybook/addons';24listeners.forEach(listener => addListener(listener));25import { listeners } from 'storybook-root';26import { addListener } from '@storybook/addons';

Using AI Code Generation

1import { listeners } from 'storybook-root';2listeners.add('my-event', (data) => {3    console.log('my-event', data);4});5listeners.remove('my-event');6listeners.trigger('my-event', { foo: 'bar' });7listeners.trigger('my-event', { foo: 'bar' }, true);8listeners.trigger('my-event', { foo: 'bar' }, false);9listeners.trigger('my-event', { foo: 'bar' }, null);10listeners.trigger('my-event', { foo: 'bar' }, undefined);11listeners.trigger('my-event', { foo: 'bar' }, 0);12listeners.trigger('my-event', { foo: 'bar' }, 1);13listeners.trigger('my-event', { foo: 'bar' }, 'string');14listeners.trigger('my-event', { foo: 'bar' }, {});15listeners.trigger('my-event', { foo: 'bar' }, []);16listeners.trigger('my-event', { foo: 'bar' }, /regex/);17listeners.trigger('my-event', { foo: 'bar' }, new Date());18listeners.trigger('my-event', { foo: 'bar' }, () => {});19listeners.trigger('my-event', { foo: 'bar' }, Symbol('symbol'));20listeners.trigger('my-event', { foo: 'bar' }, new Error());21listeners.trigger('my-event', { foo: 'bar' }, new Map());22listeners.trigger('my-event', {

Using AI Code Generation

1import { listeners } from 'storybook-root';2listeners.on('event', (data) => {3  console.log('event', data);4});5import { listeners } from 'storybook-root';6listeners.on('event', (data) => {7  console.log('event', data);8});9import { listeners } from 'storybook-root';10listeners.on('event', (data) => {11  console.log('event', data);12});13import { listeners } from 'storybook-root';14listeners.on('event', (data) => {15  console.log('event', data);16});17import { listeners } from 'storybook-root';18listeners.on('event', (data) => {19  console.log('event', data);20});21import { listeners } from 'storybook-root';22listeners.on('event', (data) => {23  console.log('event', data);24});25import { listeners } from 'storybook-root';26listeners.on('event', (data) => {27  console.log('event', data);28});29import { listeners } from 'storybook-root';30listeners.on('event', (data) => {31  console.log('event', data);32});33import { listeners } from 'storybook-root';34listeners.on('event', (data) => {35  console.log('event', data);36});37import { listeners } from 'storybook-root';38listeners.on('event', (data) => {39  console.log('event', data);40});41import { listeners } from 'storybook-root';42listeners.on('event', (data) => {43  console.log('event', data);44});45import { listeners } from 'storybook-root';46listeners.on('event', (data) => {47  console.log('event', data);

Using AI Code Generation

1import { root } from 'storybook-root';2const listeners = root.listeners;3listeners.on('event', (data) => {4  console.log(data);5});6listeners.emit('event', 'data');7import { root } from 'storybook-root';8const listeners = root.listeners;9listeners.on('event', (data) => {10  console.log(data);11});12listeners.emit('event', 'data');13import { root } from 'storybook-root';14const listeners = root.listeners;15listeners.on('event', (data) => {16  console.log(data);17});18listeners.emit('event', 'data');19import { root } from 'storybook-root';20const listeners = root.listeners;21listeners.on('event', (data) => {22  console.log(data);23});24listeners.emit('event', 'data');25import { root } from 'storybook-root';26const listeners = root.listeners;27listeners.on('event', (data) => {28  console.log(data);29});30listeners.emit('event', 'data');31import { root } from 'storybook-root';32const listeners = root.listeners;33listeners.on('event', (data) => {34  console.log(data);35});36listeners.emit('event', 'data');37import { root } from 'storybook-root';38const listeners = root.listeners;39listeners.on('event', (data) => {40  console.log(data);41});42listeners.emit('event', 'data');43import { root } from 'storybook-root';44const listeners = root.listeners;45listeners.on('event', (data) => {46  console.log(data);47});48listeners.emit('event', 'data');49import { root } from 'storybook-root';50const listeners = root.listeners;51listeners.on('event', (data) => {52  console.log(data);53});54listeners.emit('event', 'data');55import

Using AI Code Generation

1import { listeners } from 'storybook-addon-web-components-knobs';2export default {3};4import { listeners } from 'storybook-addon-web-components-knobs';5export default {6};7import { listeners } from 'storybook-addon-web-components-knobs';8export default {9};10import { listeners } from 'storybook-addon-web-components-knobs';11export const test = () => ({12});13export class Test extends LitElement {14  static get listeners() {15    return {16    };17  }18  handleCustomEvent(e) {19    console.log(e.detail);20  }21}22export class Test extends LitElement {23  static get listeners() {24    return {25    };26  }27  handleCustomEvent(e) {28    console.log(e.detail);29  }30}31export class Test extends LitElement {32  static get listeners() {33    return {34    };35  }36  handleCustomEvent(e) {37    console.log(e.detail);38  }39}

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.