om/node_modules/rxjs/_esm2015/internal/observable/fromObservable.js

import { Observable } from '../Observable';
import { Subscription } from '../Subscription';
import { observable as Symbol_observable } from '../symbol/observable';
import { subscribeToObservable } from '../util/subscribeToObservable';
export function fromObservable(input, scheduler) {
    if (!scheduler) {
        return new Observable(subscribeToObservable(input));
    }
    else {
        return new Observable(subscriber => {
            const sub = new Subscription();
            sub.add(scheduler.schedule(() => {
                const observable = input[Symbol_observable]();
                sub.add(observable.subscribe({
                    next(value) { sub.add(scheduler.schedule(() => subscriber.next(value))); },
                    error(err) { sub.add(scheduler.schedule(() => subscriber.error(err))); },
                    complete() { sub.add(scheduler.schedule(() => subscriber.complete())); },
                }));
            }));
            return sub;
        });
    }
}
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