shell bypass 403
import { Subject } from './Subject';
import { Observer } from './Observer';
import { Subscription } from './Subscription';
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
export class SubjectSubscription<T> extends Subscription {
closed: boolean = false;
constructor(public subject: Subject<T>, public subscriber: Observer<T>) {
super();
}
unsubscribe() {
if (this.closed) {
return;
}
this.closed = true;
const subject = this.subject;
const observers = subject.observers;
this.subject = null;
if (!observers || observers.length === 0 || subject.isStopped || subject.closed) {
return;
}
const subscriberIndex = observers.indexOf(this.subscriber);
if (subscriberIndex !== -1) {
observers.splice(subscriberIndex, 1);
}
}
}