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Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
876 bytes
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| 1 | import { Subject } from './Subject';
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| 2 | import { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';
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| 3 | export class BehaviorSubject extends Subject {
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| 4 | constructor(_value) {
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| 5 | super();
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| 6 | this._value = _value;
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| 7 | }
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| 8 | get value() {
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| 9 | return this.getValue();
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| 10 | }
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| 11 | _subscribe(subscriber) {
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| 12 | const subscription = super._subscribe(subscriber);
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| 13 | if (subscription && !subscription.closed) {
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| 14 | subscriber.next(this._value);
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| 15 | }
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| 16 | return subscription;
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| 17 | }
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| 18 | getValue() {
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| 19 | if (this.hasError) {
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| 20 | throw this.thrownError;
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| 21 | }
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| 22 | else if (this.closed) {
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| 23 | throw new ObjectUnsubscribedError();
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| 24 | }
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| 25 | else {
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| 26 | return this._value;
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| 27 | }
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| 28 | }
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| 29 | next(value) {
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| 30 | super.next(this._value = value);
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| 31 | }
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| 32 | }
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| 33 | //# sourceMappingURL=BehaviorSubject.js.map |
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