@reactivex/rxjs/dist/esm5_for_rollup/SubjectSubscription.js

Reactive Extensions for modern JavaScript

import { Subscription } from './Subscription';
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @ignore
 * @extends {Ignored}
 */
export var SubjectSubscription = (function (_super) {
    __extends(SubjectSubscription, _super);
    function SubjectSubscription(subject, subscriber) {
        _super.call(this);
        this.subject = subject;
        this.subscriber = subscriber;
        this.closed = false;
    }
    SubjectSubscription.prototype.unsubscribe = function () {
        if (this.closed) {
            return;
        }
        this.closed = true;
        var subject = this.subject;
        var observers = subject.observers;
        this.subject = null;
        if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {
            return;
        }
        var subscriberIndex = observers.indexOf(this.subscriber);
        if (subscriberIndex !== -1) {
            observers.splice(subscriberIndex, 1);
        }
    };
    return SubjectSubscription;
}(Subscription));
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