text: 'use strict';
  
  module.exports = function gaCookieParser(req) {
    // checking for existent UUID
    if (!req.cookies || !req.cookies._ga) return;
    var gaCookie = String(req.cookies._ga);
  
    return gaCookie
      .split('.')
      .slice(2, 4)
      .join('.');
  };
  