window
Example 1: Open window specified by inner observable
// RxJS v6+
import { timer, interval } from 'rxjs';
import { window, scan, mergeAll } from 'rxjs/operators';
//emit immediately then every 1s
const source = timer(0, 1000);
const example = source.pipe(window(interval(3000)));
const count = example.pipe(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
.pipe(mergeAll())
.subscribe(val => console.log(val));
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- 🎥 💵 - André Staltz
Last modified 2yr ago