code: function _repeat (source, times) {
      var result = "";
  
      for (var i = 0; i < times; i++) {
          result += source;
      }
  
      return result;
  }
docs: A null-safe function to repeat the source string the desired amount of times.
  @private
  @param {String} source
  @param {Number} times
  @returns {String}