empty

연산자(operator) 정의: empty(scheduler: Scheduler): Observable

Observable that immediately completes.

Examples

Example 1: empty immediately completes

( jsBin | jsFiddle )

//Create observable that immediately completes
const example = Rx.Observable.empty();
//output: 'Complete!'
const subscribe = example.subscribe({
  next: () => console.log('Next'),
  complete: () => console.log('Complete!')
});

Follow the Source Code

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Additional Resources

• empty - Official docs
• Creation operators: empty, never, and throw - André Staltz

Source Code: https://github.com/ReactiveX/rxjs/blob/master/src/observable/EmptyObservable.ts