code: function(key) {
      var filepath = this._makeFilepath(key);
      if (!fs.existsSync(filepath)) {
        return;
      }
  
      var cache = JSON.parse(fs.readFileSync(filepath), 'UTF8');
  
      if (!this._cacheIsValid(cache)) {
        return this.delSync(key);
      }
  
      return cache.data;
    }
docs: /*
  @desc - Synchronous get