"use strict";
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var Subscription_1 = require('./Subscription');
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @ignore
 * @extends {Ignored}
 */
var SubjectSubscription = (function (_super) {
    __extends(SubjectSubscription, _super);
    function SubjectSubscription(subject, observer) {
        _super.call(this);
        this.subject = subject;
        this.observer = observer;
        this.isUnsubscribed = false;
    }
    SubjectSubscription.prototype.unsubscribe = function () {
        if (this.isUnsubscribed) {
            return;
        }
        this.isUnsubscribed = true;
        var subject = this.subject;
        var observers = subject.observers;
        this.subject = null;
        if (!observers || observers.length === 0 || subject.isUnsubscribed) {
            return;
        }
        var subscriberIndex = observers.indexOf(this.observer);
        if (subscriberIndex !== -1) {
            observers.splice(subscriberIndex, 1);
        }
    };
    return SubjectSubscription;
}(Subscription_1.Subscription));
exports.SubjectSubscription = SubjectSubscription;
//# sourceMappingURL=SubjectSubscription.js.map