code: function getPackCardFiles(dir) {
    var cards = [],
      files = FS.readdirSync(dir);
  
    for (var i = 0; i < files.length; i++) {
      var fileName = files[i];
  
      if (Path.extname(fileName) === '.js') {
        cards.push(Path.basename(fileName, Path.extname(fileName)));
      }
    }
  
    return cards;
  }
docs: Private
  
  @ignore