querystring.js

querystring.js

var _ = require('./underscore.js');

/* 
 * Append querystring to the url
 * @param string url
 * @param object parameters
 */

function qs(url, params){
	if(params){
		var reg;
		for(var x in params){
			if(url.indexOf(x)>-1){
				var str = "[\\?\\&]"+x+"=[^\\&]*";
				reg = new RegExp(str);
				url = url.replace(reg,'');
			}
		}
	}
	
	
	return url + (!_.isEmpty(params) ? ( url.indexOf('?') > -1 ? "&" : "?" ) + param(params) : '');
}

/*
 * Param
 * Explode/Encode the parameters of an URL object
 * @param object
 */
function param(o){
	var a = [];

	for( var x in o ){
		if( o.hasOwnProperty(x) ){
			a.push( [x, o[x] === '?' ? '?' : encodeURIComponent(o[x]) ].join('=') );
		}
	}

	return a.join('&');
}


console.log(qs('http://domain.com',{foo:'bar',baz:'?'})); // http://domain.com?foo=bar&baz=foo