Calling PubNub via MQTT Bridge with JavaScript

pn-mqtt.js

import mqtt from "mqtt";

const publishKey = '<your_publish_key>';
const subscribeKey = '<your_subscribe_key>';
const clientId = 'pn-mqtt';

const topic = 'pubnub_mqtt_test';

const options = {
  clientId: `${publishKey}/${subscribeKey}/${clientId}`
};

const client = mqtt.connect('mqtt://mqtt.pndsn.com', options);

client.on('connect', () => {
  client.subscribe(topic, err => {
    if (!err) {
      client.publish(topic, 'Hello PubNub from MQTT!')
    }
  });
});

client.on('message', (topic, message) => {
  console.log(message.toString())
  client.end()
});