Scala.js Node.js UDP client

Dgram.scala

import scala.scalajs.js
import typings.node.dgramMod as dgram
import typings.node.dgramMod.SocketType
import typings.node.nodeStrings.message
import typings.node.global.console
import typings.std.stdStrings.add

object Dgram {
  
  def send(msg: String, host: String, port: Int): Unit = {
    val client = dgram.createSocket(SocketType.udp4)
    client.on("listening", (arg) => {
      val address = client.address()
      console.log(s"UDP Server listening on ${address.address}:${address.port}}")
    })

    client.on_message(message, (msgBuf, remote) => {
      console.log(s"Incoming on ${remote.address}:${remote.port} - ${msgBuf.toString()}")
    })

    client.send(msg, 0, msg.length(), port, host, (err, bytes) => {
      if (err != null) {
        console.log(s"Error sending: ${err}")
      }
      console.log(s"Sent ${bytes} UDP message bytes to ${host}:${port}")   
    })
  }  
}