http link header parsing

parseLink

function parseLink(link) {
    var links = {}
    link.split(/\s*,\s*(?=<)/).forEach(function(l, i) {
        var parts = l.match(/(?:<(\S+)>; rel="(\S*)",?)/)
        if(parts.length == 3) { 
            links[parts[2]] = parts[1]
        }
    })
    return links;
}