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