parseCookies.js

parseCookies.js

/**
 * Parse cookies into an object.
 * 
 * @author Craig Anderson <[email protected]>
 * @link https://gist.github.com/4134160
 */
function parseCookies(unparsed) {
	if(typeof unparsed == "undefined") {
		unparsed = document.cookie;
	}
	var cookies = unparsed.split(/;/m);
	var parsed = {};
	var numCookies = cookies.length;
	for(var cookieIndex = 0; cookieIndex < numCookies; cookieIndex++) {
		var cookie = cookies[cookieIndex];
		var matches = cookie.match(/^\s*([^=]+)=(.*)$/);
		if(matches && matches.length == 3) {
			var cookieName = matches[1];
			var cookieValue = matches[2];
			var crumbs = cookieValue.split(/&/m);
			var numCrumbs = crumbs.length;
			if(numCrumbs == 1) {
				// no crumbs
			}
			else {
				cookieValue = {};
				for(var crumbIndex = 0; crumbIndex < numCrumbs; crumbIndex++) {
					var crumb = crumbs[crumbIndex];
					var matches = crumb.match(/^\s*([^=]+)=(.*)$/);
					if(matches && matches.length == 3) {
						cookieValue[matches[1]] = matches[2];
					}
				}
			}
			parsed[cookieName] = cookieValue;
		}
	}
	return parsed;
}