gistfile1.txt

module.exports = function() {
    // CREDIT: broofa http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,
    function(c) {
        var r = Math.random() * 16 | 0,
        v = c == 'x' ? r: (r & 0x3 | 0x8);
        return v.toString(16);
    }).toUpperCase();
};