This library allow you to manage IR-sensors sending detections signal, low battery signal on 433MHz bandwith.
This kind of sensors usually sends multiple signals to ensure a proper reception by the receiver then this library filters out the subsequent codes reception into a single callback event.
You can add this library to your own project with npm :
npm install --save git+https://github.com/quelqundev/IR-sensors-application.git
The index.js can be a good example :