13 lines
852 B
TypeScript
13 lines
852 B
TypeScript
import { Observer } from '../Observer';
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import { Observable } from '../Observable';
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/**
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* Returns a mirrored Observable of the source Observable, but modified so that the provided Observer is called
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* for every item emitted by the source.
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* This operator is useful for debugging your observables for the correct values or performing other side effects.
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* @param {Observer|function} [nextOrObserver] a normal observer callback or callback for onNext.
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* @param {function} [error] callback for errors in the source.
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* @param {function} [complete] callback for the completion of the source.
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* @reurns {Observable} a mirrored Observable with the specified Observer or callback attached for each item.
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*/
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export declare function _do<T>(nextOrObserver?: Observer<T> | ((x: T) => void), error?: (e: any) => void, complete?: () => void): Observable<T>;
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