Ip address get in pure nodejs

ip.utils.js

const os = require("os");

function getLocalIPAddress() {
  const interfaces = os.networkInterfaces();
  for (const name of Object.keys(interfaces)) {
    for (const iface of interfaces[name]) {
      if (iface.family === "IPv4" && !iface.internal) {
        return iface.address;
      }
    }
  }
  return "127.0.0.1"; // Default to localhost if no external address is found
}

module.exports = { getLocalIPAddress };