| 1 | import { Subject } from '../Subject';
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| 2 | import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
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| 3 | export function repeatWhen(notifier) {
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| 4 | return (source) => source.lift(new RepeatWhenOperator(notifier));
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| 5 | }
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| 6 | class RepeatWhenOperator {
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| 7 | constructor(notifier) {
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| 8 | this.notifier = notifier;
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| 9 | }
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| 10 | call(subscriber, source) {
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| 11 | return source.subscribe(new RepeatWhenSubscriber(subscriber, this.notifier, source));
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| 12 | }
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| 13 | }
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| 14 | class RepeatWhenSubscriber extends SimpleOuterSubscriber {
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| 15 | constructor(destination, notifier, source) {
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| 16 | super(destination);
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| 17 | this.notifier = notifier;
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| 18 | this.source = source;
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| 19 | this.sourceIsBeingSubscribedTo = true;
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| 20 | }
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| 21 | notifyNext() {
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| 22 | this.sourceIsBeingSubscribedTo = true;
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| 23 | this.source.subscribe(this);
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| 24 | }
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| 25 | notifyComplete() {
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| 26 | if (this.sourceIsBeingSubscribedTo === false) {
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| 27 | return super.complete();
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| 28 | }
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| 29 | }
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| 30 | complete() {
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| 31 | this.sourceIsBeingSubscribedTo = false;
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| 32 | if (!this.isStopped) {
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| 33 | if (!this.retries) {
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| 34 | this.subscribeToRetries();
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| 35 | }
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| 36 | if (!this.retriesSubscription || this.retriesSubscription.closed) {
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| 37 | return super.complete();
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| 38 | }
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| 39 | this._unsubscribeAndRecycle();
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| 40 | this.notifications.next(undefined);
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| 41 | }
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| 42 | }
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| 43 | _unsubscribe() {
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| 44 | const { notifications, retriesSubscription } = this;
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| 45 | if (notifications) {
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| 46 | notifications.unsubscribe();
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| 47 | this.notifications = undefined;
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| 48 | }
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| 49 | if (retriesSubscription) {
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| 50 | retriesSubscription.unsubscribe();
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| 51 | this.retriesSubscription = undefined;
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| 52 | }
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| 53 | this.retries = undefined;
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| 54 | }
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| 55 | _unsubscribeAndRecycle() {
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| 56 | const { _unsubscribe } = this;
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| 57 | this._unsubscribe = null;
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| 58 | super._unsubscribeAndRecycle();
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| 59 | this._unsubscribe = _unsubscribe;
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| 60 | return this;
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| 61 | }
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| 62 | subscribeToRetries() {
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| 63 | this.notifications = new Subject();
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| 64 | let retries;
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| 65 | try {
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| 66 | const { notifier } = this;
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| 67 | retries = notifier(this.notifications);
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| 68 | }
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| 69 | catch (e) {
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| 70 | return super.complete();
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| 71 | }
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| 72 | this.retries = retries;
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| 73 | this.retriesSubscription = innerSubscribe(retries, new SimpleInnerSubscriber(this));
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| 74 | }
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| 75 | }
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| 76 | //# sourceMappingURL=repeatWhen.js.map |
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