text: function MiniCache(){
      let self = this;
      let values = {};
  
      self.set = function(key, value){
          if(isUndefinedOrStringEmpty(key) ||
              isUndefinedOrStringEmpty(value)){
              return;
          }
          values[key] = value;
      };
  
      self.contains = function(key){
          if(isUndefinedOrStringEmpty(key)){
              return false;
          }
          const value = values[key];
          return !isUndefinedOrStringEmpty(value);
      };
  
      function isUndefinedOrStringEmpty(element){
          return element === undefined || element === '' ;
      }
  
      self.get = function(key){
          if(key === undefined){
              return '';
          }
          return values[key];
      };
  
      self.remove = function(key){
          delete values[key];
      };
  }
  
  if(module && module.exports){
  	module.exports	= MiniCache;
  }
  