catch.d.ts
819 Bytes
import { Observable, ObservableInput } from '../Observable';
/**
* Catches errors on the observable to be handled by returning a new observable or throwing an error.
* @param {function} selector a function that takes as arguments `err`, which is the error, and `caught`, which
* is the source observable, in case you'd like to "retry" that observable by returning it again. Whatever observable
* is returned by the `selector` will be used to continue the observable chain.
* @return {Observable} an observable that originates from either the source or the observable returned by the
* catch `selector` function.
* @method catch
* @name catch
* @owner Observable
*/
export declare function _catch<T, R>(this: Observable<T>, selector: (err: any, caught: Observable<T>) => ObservableInput<R>): Observable<R>;