1/**
 2 * Module dependencies.
 3 */
 4
 5var parseUrl = require('parseurl');
 6var qs = require('qs');
 7
 8/**
 9 * @param {Object} options
10 * @return {Function}
11 * @api public
12 */
13
14module.exports = function query(options) {
15  var queryparse = qs.parse;
16
17  if (typeof options === 'function') {
18    queryparse = options;
19    options = undefined;
20  }
21
22  return function query(req, res, next){
23    if (!req.query) {
24      var val = parseUrl(req).query;
25      req.query = queryparse(val, options);
26    }
27
28    next();
29  };
30};