import { Subscription } from './Subscription';
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export class SubjectSubscription extends Subscription {
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constructor(subject, subscriber) {
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super();
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this.subject = subject;
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this.subscriber = subscriber;
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this.closed = false;
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}
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unsubscribe() {
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if (this.closed) {
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return;
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}
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this.closed = true;
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const subject = this.subject;
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const observers = subject.observers;
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this.subject = null;
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if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {
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return;
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}
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const subscriberIndex = observers.indexOf(this.subscriber);
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if (subscriberIndex !== -1) {
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observers.splice(subscriberIndex, 1);
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}
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}
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}
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//# sourceMappingURL=SubjectSubscription.js.map
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