import { Observable } from '../Observable';
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import { SchedulerLike } from '../types';
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export function scheduleArray<T>(input: ArrayLike<T>, scheduler: SchedulerLike) {
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return new Observable<T>((subscriber) => {
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// The current array index.
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let i = 0;
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// Start iterating over the array like on a schedule.
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return scheduler.schedule(function () {
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if (i === input.length) {
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// If we have hit the end of the array like in the
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// previous job, we can complete.
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subscriber.complete();
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} else {
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// Otherwise let's next the value at the current index,
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// then increment our index.
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subscriber.next(input[i++]);
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// If the last emission didn't cause us to close the subscriber
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// (via take or some side effect), reschedule the job and we'll
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// make another pass.
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if (!subscriber.closed) {
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this.schedule();
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}
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}
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});
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});
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}
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