timing-provider/build/es2019/operators/ultimately.js

An implementation of the timing provider specification.

import { Observable } from 'rxjs';
export const ultimately = (callback) => (source) => new Observable((observer) => {
    const subscription = source.subscribe({
        complete: () => {
            callback();
            observer.complete();
        },
        error: (err) => {
            callback();
            observer.error(err);
        },
        next: (value) => observer.next(value)
    });
    return () => {
        callback();
        subscription.unsubscribe();
    };
});
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