Debounce on typing with Rxjs

rx-debounce-typing.ts

var input = document.querySelector('input');
var observable = Rx.Observable.fromEvent(input,'input');

observable
.map(e => e.target.value)
.filter((v)=> v.length > 0)
.debounceTime(500)
.distinctUntilChanged()
.subscribe({
	next: function(e){
  	console.log(
    	e);
  }
});