define([],function(){"use strict";function MyStore(){}function updateCache(instance){instance.cache.put("data",new Response(JSON.stringify(instance.localData)))}return MyStore.prototype.init=function(){var instance=this;return caches.open("embydata").then(function(result){instance.cache=result,instance.localData={}})},MyStore.prototype.setItem=function(name,value){if(this.localData){var changed=this.localData[name]!==value;changed&&(this.localData[name]=value,updateCache(this))}},MyStore.prototype.getItem=function(name){if(this.localData)return this.localData[name]},MyStore.prototype.removeItem=function(name){this.localData&&(this.localData[name]=null,delete this.localData[name],updateCache(this))},new MyStore});