import { EMPTY } from '../observable/empty'; import { operate } from '../util/lift'; import { OperatorSubscriber } from './OperatorSubscriber'; export function repeat(count = Infinity) { return count <= 0 ? () => EMPTY : operate((source, subscriber) => { let soFar = 0; let innerSub; const subscribeForRepeat = () => { let syncUnsub = false; innerSub = source.subscribe(new OperatorSubscriber(subscriber, undefined, () => { if (++soFar < count) { if (innerSub) { innerSub.unsubscribe(); innerSub = null; subscribeForRepeat(); } else { syncUnsub = true; } } else { subscriber.complete(); } })); if (syncUnsub) { innerSub.unsubscribe(); innerSub = null; subscribeForRepeat(); } }; subscribeForRepeat(); }); } //# sourceMappingURL=repeat.js.map