Best way to handle async background task (MQTT client)

[robinyo]

Have you looked at:

• https://github.com/sclausen/ngx-mqtt
• https://github.com/sjmf/ng2-mqtt-demo

And:

• https://medium.com/@lwojciechowski/websockets-with-angular2-and-rxjs-8b6c5be02fac
• https://github.com/PeterKassenaar/ng2-websockets
• https://www.hivemq.com/blog/build-javascript-mqtt-web-application
• https://github.com/kmamykin/aws-mqtt