function fixHostname()

in server.js [123:134]

• 11 lines of code
• 5 McCabe index (conditional complexity)

function fixHostname(host) {
  if (host.indexOf(':') >= 0 && host.indexOf('[') < 0) {
    // Add brackets to IPv6 address.
    host = `[${host}]`;
  }
  if (host === '0.0.0.0') {
    host = '127.0.0.1';
  } else if (host === '[::]') {
    host = '[::1]';
  }
  return host;
}