interier/utils/getWifiIPv4.js

import { networkInterfaces } from "node:os";

export default () => {
  const interfaces = networkInterfaces();

  for (const name of Object.keys(interfaces)) {
    if (!name.startsWith('wlan') && !name.startsWith('wlp')) continue
      
    for (const net of interfaces[name]) {
        if (net.family !== "IPv4" || net.internal) continue
        
        return net.address;
    }
  }
}