Idle user snippet

idle.js

mergedStreams = rx.Observable.merge(
  rx.DOM.keydown(document),    
  rx.DOM.click(document),
  rx.DOM.mousemove(document),
  rx.DOM.scroll(document),    
  rx.DOM.touchstart(document)
);

var idleStream = mergedStreams
  .bufferWithTime(5000)
  .filter(function(arr){
    return arr.length===0;
  })
  .subscribe();