utils

utils.js

/**
 * Parses query string and returns object
 * @param  {string} string ?a=b&c=d
 * @return {object}        {a: b, c: d}
 */
function parseQueryString(string) {
  var obj = {};
  var keyValues = string.slice(string.indexOf('?') + 1).split('&');
  for(var i = 0; i < keyValues.length; i++) {
    var parts = keyValues[i].split('=');
    obj[parts[0]] = parts[1];
  }
  return obj;
}

/**
 * Selects files based on a regex against desired name searches
 * @param  {array} files array
 * @param {array} search array (filenames) ['index', 'all']
 * @return {array} selection array
 */
function selectFiles(files, searches) {
  var hasFiles = new RegExp('(' + searches.join('|') + ')$', 'gi');
  return files.filter(function (file) {
    return !(hasFiles.test( file ));
  });
}