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/*!
* express
* Copyright(c) 2009-2013 TJ Holowaychuk
* Copyright(c) 2013 Roman Shtylman
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict';
/**
* Module dependencies.
*/
var merge = require('utils-merge')
var parseUrl = require('parseurl');
var qs = require('qs');
/**
* @param {Object} options
* @return {Function}
* @api public
*/
module.exports = function query(options) {
var opts = merge({}, options)
var queryparse = qs.parse;
if (typeof options === 'function') {
queryparse = options;
opts = undefined;
}
if (opts !== undefined && opts.allowPrototypes === undefined) {
// back-compat for qs module
opts.allowPrototypes = true;
}
return function query(req, res, next){
if (!req.query) {
var val = parseUrl(req).query;
req.query = queryparse(val, opts);
}
next();
};
};