var utils = {}; utils.startOnNextPort = function(server, issue, start_port) { var port = start_port || 5555; server.on('error', function(e) { console.log("Port " + port + " already in use, retrying"); utils.startOnNextPort(server, issue, port+1); }); server.listen(port, '127.0.0.1', issue); } module.exports = utils;