define(["core/config"],function(a){var b=function(b){this.storage=b,this.supported=this.detectSupport(),this.hashSource=a.wwwroot+"/"+a.jsrev,this.hash=this.hashString(this.hashSource),this.prefix=this.hash+"/",this.jsrevPrefix=this.hash+"/jsrev"};return b.prototype.detectSupport=function(){if(a.jsrev==-1)return!1;if("undefined"==typeof this.storage)return!1;var b="test";try{return null!==this.storage&&(this.storage.setItem(b,"1"),this.storage.removeItem(b),!0)}catch(c){return!1}},b.prototype.prefixKey=function(a){return this.prefix+a},b.prototype.validateCache=function(){var b=this.storage.getItem(this.jsrevPrefix);if(null===b)return void this.storage.setItem(this.jsrevPrefix,a.jsrev);var c=a.jsrev;c!=b&&(this.storage.clear(),this.storage.setItem(this.jsrevPrefix,a.jsrev))},b.prototype.hashString=function(a){var b,c,d,e=0;if(0===a.length)return e;for(b=0,d=a.length;b<d;b++)c=a.charCodeAt(b),e=(e<<5)-e+c,e|=0;return e},b.prototype.get=function(a){return!!this.supported&&(this.validateCache(),a=this.prefixKey(a),this.storage.getItem(a))},b.prototype.set=function(a,b){if(!this.supported)return!1;this.validateCache(),a=this.prefixKey(a);try{this.storage.setItem(a,b)}catch(c){return!1}return!0},b});