import { scheduleObservable } from './scheduleObservable';
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import { schedulePromise } from './schedulePromise';
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import { scheduleArray } from './scheduleArray';
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import { scheduleIterable } from './scheduleIterable';
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import { ObservableInput, SchedulerLike, Observable } from 'rxjs';
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import { isInteropObservable } from '../util/isInteropObservable';
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import { isPromise } from '../util/isPromise';
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import { isArrayLike } from '../util/isArrayLike';
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import { isIterable } from '../util/isIterable';
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/**
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* Converts from a common {@link ObservableInput} type to an observable where subscription and emissions
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* are scheduled on the provided scheduler.
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*
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* @see from
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* @see of
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*
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* @param input The observable, array, promise, iterable, etc you would like to schedule
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* @param scheduler The scheduler to use to schedule the subscription and emissions from
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* the returned observable.
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*/
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export function scheduled<T>(input: ObservableInput<T>, scheduler: SchedulerLike): Observable<T> {
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if (input != null) {
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if (isInteropObservable(input)) {
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return scheduleObservable(input, scheduler);
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} else if (isPromise(input)) {
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return schedulePromise(input, scheduler);
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} else if (isArrayLike(input)) {
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return scheduleArray(input, scheduler);
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} else if (isIterable(input) || typeof input === 'string') {
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return scheduleIterable(input, scheduler);
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}
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}
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throw new TypeError((input !== null && typeof input || input) + ' is not observable');
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}
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