Function getLocalHosts

lib/getPort.js:16–33

()

 * @returns {Set<string | undefined>} local hosts
 */
const getLocalHosts = () => {
  const interfaces = os.networkInterfaces();

  // Add undefined value for createServer function to use default host,
  // and default IPv4 host in case createServer defaults to IPv6.

  const results = new Set([undefined, "0.0.0.0"]);

  for (const _interface of Object.values(interfaces)) {
    if (_interface) {
      for (const config of _interface) {
        results.add(config.address);
      }
    }
  }

  return results;
};

/**
 * @param {number} basePort base port