window.md

window

signature: window(windowBoundaries: Observable): Observable

Observable of values for window of time.

Examples

Example 1: Open window specified by inner observable

( jsBin | jsFiddle )

//emit immediately then every 1s
const source = Rx.Observable.timer(0, 1000);
const example = source.window(Rx.Observable.interval(3000));
const count = example.scan((acc, curr) => acc + 1, 0);
/*
  "Window 1:"
  0
  1
  2
  "Window 2:"
  3
  4
  5
  ...
*/
const subscribe = count.subscribe(val => console.log(`Window ${val}:`));
const subscribeTwo = example.mergeAll().subscribe(val => console.log(val));

Additional Resources

• window 📰 - Official docs
• Split an RxJS observable with window 📹 💵 - André Staltz

---

📁 Source Code: https://github.com/ReactiveX/rxjs/blob/master/src/operator/window.ts