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