{"ast":null,"code":"'use strict';var _interopRequireDefault=require(\"@babel/runtime/helpers/interopRequireDefault\");Object.defineProperty(exports,\"__esModule\",{value:true});exports.attachNativeEvent=attachNativeEvent;exports.default=exports.AnimatedEvent=void 0;var _AnimatedValue=_interopRequireDefault(require(\"./nodes/AnimatedValue\"));var _NativeAnimatedHelper=_interopRequireDefault(require(\"./NativeAnimatedHelper\"));var _findNodeHandle=_interopRequireDefault(require(\"../../../exports/findNodeHandle\"));var _invariant=_interopRequireDefault(require(\"fbjs/lib/invariant\"));var shouldUseNativeDriver=_NativeAnimatedHelper.default.shouldUseNativeDriver;function attachNativeEvent(viewRef,eventName,argMapping){var eventMappings=[];var traverse=function traverse(value,path){if(value instanceof _AnimatedValue.default){value.__makeNative();eventMappings.push({nativeEventPath:path,animatedValueTag:value.__getNativeTag()});}else if(typeof value==='object'){for(var _key in value){traverse(value[_key],path.concat(_key));}}};(0,_invariant.default)(argMapping[0]&&argMapping[0].nativeEvent,'Native driven events only support animated values contained inside `nativeEvent`.');traverse(argMapping[0].nativeEvent,[]);var viewTag=(0,_findNodeHandle.default)(viewRef);eventMappings.forEach(function(mapping){_NativeAnimatedHelper.default.API.addAnimatedEventToView(viewTag,eventName,mapping);});return{detach:function detach(){eventMappings.forEach(function(mapping){_NativeAnimatedHelper.default.API.removeAnimatedEventFromView(viewTag,eventName,mapping.animatedValueTag);});}};}var AnimatedEvent=function(){function AnimatedEvent(argMapping,config){if(config===void 0){config={};}this._listeners=[];this._argMapping=argMapping;if(config.listener){this.__addListener(config.listener);}this._callListeners=this._callListeners.bind(this);this._attachedEvent=null;this.__isNative=shouldUseNativeDriver(config);if(process.env.NODE_ENV!=='production'){this._validateMapping();}}var _proto=AnimatedEvent.prototype;_proto.__addListener=function __addListener(callback){this._listeners.push(callback);};_proto.__removeListener=function __removeListener(callback){this._listeners=this._listeners.filter(function(listener){return listener!==callback;});};_proto.__attach=function __attach(viewRef,eventName){(0,_invariant.default)(this.__isNative,'Only native driven events need to be attached.');this._attachedEvent=attachNativeEvent(viewRef,eventName,this._argMapping);};_proto.__detach=function __detach(viewTag,eventName){(0,_invariant.default)(this.__isNative,'Only native driven events need to be detached.');this._attachedEvent&&this._attachedEvent.detach();};_proto.__getHandler=function __getHandler(){var _this=this;if(this.__isNative){return this._callListeners;}return function(){for(var _len=arguments.length,args=new Array(_len),_key2=0;_key2<_len;_key2++){args[_key2]=arguments[_key2];}var traverse=function traverse(recMapping,recEvt,key){if(typeof recEvt==='number'&&recMapping instanceof _AnimatedValue.default){recMapping.setValue(recEvt);}else if(typeof recMapping==='object'){for(var mappingKey in recMapping){traverse(recMapping[mappingKey],recEvt[mappingKey],mappingKey);}}};if(!_this.__isNative){_this._argMapping.forEach(function(mapping,idx){traverse(mapping,args[idx],'arg'+idx);});}_this._callListeners.apply(_this,args);};};_proto._callListeners=function _callListeners(){for(var _len2=arguments.length,args=new Array(_len2),_key3=0;_key3<_len2;_key3++){args[_key3]=arguments[_key3];}this._listeners.forEach(function(listener){return listener.apply(void 0,args);});};_proto._validateMapping=function _validateMapping(){var traverse=function traverse(recMapping,recEvt,key){if(typeof recEvt==='number'){(0,_invariant.default)(recMapping instanceof _AnimatedValue.default,'Bad mapping of type '+typeof recMapping+' for key '+key+', event value must map to AnimatedValue');return;}(0,_invariant.default)(typeof recMapping==='object','Bad mapping of type '+typeof recMapping+' for key '+key);(0,_invariant.default)(typeof recEvt==='object','Bad event of type '+typeof recEvt+' for key '+key);for(var mappingKey in recMapping){traverse(recMapping[mappingKey],recEvt[mappingKey],mappingKey);}};};return AnimatedEvent;}();exports.AnimatedEvent=AnimatedEvent;var 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To see the error delete this comment and run Flow. */\n            traverse(recMapping[mappingKey], recEvt[mappingKey], mappingKey);\n          }\n        }\n      };\n\n      if (!_this.__isNative) {\n        _this._argMapping.forEach(function (mapping, idx) {\n          traverse(mapping, args[idx], 'arg' + idx);\n        });\n      }\n\n      _this._callListeners.apply(_this, args);\n    };\n  };\n\n  _proto._callListeners = function _callListeners() {\n    for (var _len2 = arguments.length, args = new Array(_len2), _key3 = 0; _key3 < _len2; _key3++) {\n      args[_key3] = arguments[_key3];\n    }\n\n    this._listeners.forEach(function (listener) {\n      return listener.apply(void 0, args);\n    });\n  };\n\n  _proto._validateMapping = function _validateMapping() {\n    var traverse = function traverse(recMapping, recEvt, key) {\n      if (typeof recEvt === 'number') {\n        invariant(recMapping instanceof AnimatedValue, 'Bad mapping of type ' + typeof recMapping + ' for key ' + key + ', event value must map to AnimatedValue');\n        return;\n      }\n\n      invariant(typeof recMapping === 'object', 'Bad mapping of type ' + typeof recMapping + ' for key ' + key);\n      invariant(typeof recEvt === 'object', 'Bad event of type ' + typeof recEvt + ' for key ' + key);\n\n      for (var mappingKey in recMapping) {\n        traverse(recMapping[mappingKey], recEvt[mappingKey], mappingKey);\n      }\n    };\n  };\n\n  return AnimatedEvent;\n}();\n\nexport { AnimatedEvent, attachNativeEvent };\nexport default {\n  AnimatedEvent: AnimatedEvent,\n  attachNativeEvent: attachNativeEvent\n};"]},"metadata":{},"sourceType":"script"}