| import { Subject } from './Subject'; | 
| import { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError'; | 
| export class BehaviorSubject extends Subject { | 
|     constructor(_value) { | 
|         super(); | 
|         this._value = _value; | 
|     } | 
|     get value() { | 
|         return this.getValue(); | 
|     } | 
|     _subscribe(subscriber) { | 
|         const subscription = super._subscribe(subscriber); | 
|         if (subscription && !subscription.closed) { | 
|             subscriber.next(this._value); | 
|         } | 
|         return subscription; | 
|     } | 
|     getValue() { | 
|         if (this.hasError) { | 
|             throw this.thrownError; | 
|         } | 
|         else if (this.closed) { | 
|             throw new ObjectUnsubscribedError(); | 
|         } | 
|         else { | 
|             return this._value; | 
|         } | 
|     } | 
|     next(value) { | 
|         super.next(this._value = value); | 
|     } | 
| } | 
| //# sourceMappingURL=BehaviorSubject.js.map |