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@reactivex/rxjs

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Reactive Extensions for modern JavaScript

31 lines 918 B
import { Subscription } from './Subscription'; /** * We need this JSDoc comment for affecting ESDoc. * @ignore * @extends {Ignored} */ export class SubjectSubscription extends Subscription { constructor(subject, observer) { super(); this.subject = subject; this.observer = observer; this.isUnsubscribed = false; } unsubscribe() { if (this.isUnsubscribed) { return; } this.isUnsubscribed = true; const subject = this.subject; const observers = subject.observers; this.subject = null; if (!observers || observers.length === 0 || subject.isUnsubscribed) { return; } const subscriberIndex = observers.indexOf(this.observer); if (subscriberIndex !== -1) { observers.splice(subscriberIndex, 1); } } } //# sourceMappingURL=SubjectSubscription.js.map