####signature: takeWhile(predicate: function(value, index): boolean): Observable
Description coming soon...
//emit 1,2,3,4,5
const source = Rx.Observable.of(1,2,3,4,5);
//allow values until value from source is greater then 4, then complete
const example = source.takeWhile(val => val <= 4);
//output: 1,2,3,4
const subscribe = example.subscribe(val => console.log(val));- takeWhile 📰 - Official docs
- Completing a stream with takeWhile 📹 💵 - John Linquist
📁 Source Code: https://github.com/ReactiveX/rxjs/blob/master/src/operator/takeWhile.ts