Get internal IP on windows javascript

get-internal-ip.js

  // Get internal ip
  Object.keys(ifaces).forEach(function (ifname) {
    var alias = 0
    ifaces[ifname].forEach(function (iface) {
      if ('IPv4' !== iface.family || iface.internal !== false) {
        // skip over internal (i.e. 127.0.0.1) and non-ipv4 addresses
        return
      }
      if (alias >= 1) {
        // this single interface has multiple ipv4 addresses
        externalAddress = ifname + ':' + alias + ' ' + iface.address
      } else {
        // this interface has only one ipv4 address
        externalAddress = 'http://' + iface.address.trim() + ':' + devServerPort
      }
      ++alias
    })
  })