@connected-home/serverless/lib/utils/guid.js

The Serverless Application Framework - Powered By Amazon Web Services - http://www.serverless.com

module.exports = function() {
  function s4() {
    return Math.floor((1 + Math.random()) * 0x10000)
        .toString(16)
        .substring(1);
  }

  return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
}