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rc1/reactive-property.js

Last active June 23, 2017 17:01
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UniRx's Reactive Property for JavaScript/RxJS
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reactive-property.js
import { Subject } from 'rxjs/Subject';
import { Subscription } from 'rxjs/Subscription';
import { Observable } from 'rxjs/Observable';
export class ReactiveProperty extends Subject {
constructor( v ) {
super();
var value = v;
this.notifyOnSubscribe = arguments.length > 0;
Object.defineProperty( this, 'value', {
get: () => value,
set: function ( v ) {
value = v;
this.next( v );
}
});
}
_subscribe( subscriber ) {
var result = super._subscribe( subscriber );
if ( result != Subscription.EMPTY && this.notifyOnSubscribe ) {
subscriber.next( this.value );
}
return result;
}
}
export default ReactiveProperty;
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