text: 
  module.exports = {
  
    /**
     * A fast means to randomize short arrays.
     * http://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
     * @param array
     * @returns {*}
     */
    shuffle: function (array) {
      var currentIndex = array.length, temporaryValue, randomIndex;
  
      // While there remain elements to shuffle...
      while (0 !== currentIndex) {
  
        // Pick a remaining element...
        randomIndex = Math.floor(Math.random() * currentIndex);
        currentIndex -= 1;
  
        // And swap it with the current element.
        temporaryValue = array[currentIndex];
        array[currentIndex] = array[randomIndex];
        array[randomIndex] = temporaryValue;
      }
  
      return array;
    }
  };
  
  