Using Eclipse Paho JavaScript Client in Node.js

index.js

global.WebSocket = require('websocket').w3cwebsocket;

/*
  Download `paho-mqtt.js` from https://github.com/eclipse/paho.mqtt.javascript/blob/master/src/paho-mqtt.js
  
  I tried https://github.com/eclipse/paho.mqtt.javascript/blob/1ff91a3e9bda279c855bb951fc32898983f85b3c/src/paho-mqtt.js personally
  It should work just fine
*/
global.Paho = require('./paho-mqtt');

const _options = {
  clientId: 'clientId',
  server: 'wss://test.com',
  login: 'account',
  password: 'password'
};
const _client = new Paho.Client(_options.server, _options.clientId);

const onMessage = message => {
  // Do something with `message`...
}
const onDisconnect = error => {
  // Do something with `error`...
}

_client.onMessageArrived = onMessage;
_client.onConnectionLost = onDisconnect;
_client.connect({
  userName: _options.login,
  password: _options.password,
  keepAliveInterval: 10,
  onSuccess: () => {
    // Do something after connected
  },
  onFailure: (ctx, errCode, errMsg) => {
    console.error(error.errorMessage);
    // Do something when error occurred
  },
});