timeout
signature: timeout(due: number, scheduler: Scheduler): Observable
timeout(due: number, scheduler: Scheduler): Observable
지정된 기간 전에 값이 방출되지 않는 경우, 에러를 발생
예시
예시 1: 2.5초 뒤에 Timeout
( StackBlitz | jsBin | jsFiddle )
// RxJS v6+
import { of } from 'rxjs';
import { concatMap, timeout, catchError, delay } from 'rxjs/operators';
// 요청을 수행하는 함수
function makeRequest(timeToDelay) {
return of('Request Complete!').pipe(delay(timeToDelay));
}
of(4000, 3000, 2000)
.pipe(
concatMap(duration =>
makeRequest(duration).pipe(
timeout(2500),
catchError(error => of(`Request timed out after: ${duration}`))
)
)
)
/*
* "Request timed out after: 4000"
* "Request timed out after: 3000"
* "Request Complete!"
*/
.subscribe(val => console.log(val));
추가 자료
timeout📰 - 공식 문서
📂 Source Code: https://github.com/ReactiveX/rxjs/blob/master/src/internal/operators/timeout.ts
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