| import { Subscription } from './Subscription'; |
| export class SubjectSubscription extends Subscription { |
| constructor(subject, subscriber) { |
| super(); |
| this.subject = subject; |
| this.subscriber = subscriber; |
| this.closed = false; |
| } |
| 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); |
| } |
| } |
| } |
| //# sourceMappingURL=SubjectSubscription.js.map |
