uci-mqtt/examples/server.js

import MQTT from '../src/mqtt'
// import btc from 'better-try-catch'
const BROKER='nas.kebler.net'
let server = new MQTT({id:'example-mqtt-server', connect:{host:BROKER}})

async function test (packet) {
  console.log('in packet processor', packet)
  packet.success = true
  packet.cmd ='reply'
  packet.msg ='this mqtt client acting like a "server" processed the test message'
  this.push({cmd:'test', data:'some data'}, 'pushed')
  return packet
}

(async () => {
  server.registerPacketProcessor(test)
  console.log(await server.connect())

})().catch(err => {
  console.error('FATAL: UNABLE TO START SYSTEM!\n',err)
})