49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
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import { Observable } from '../Observable';
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/**
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* We need this JSDoc comment for affecting ESDoc.
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* @extends {Ignored}
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* @hide true
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*/
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export class ScalarObservable extends Observable {
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constructor(value, scheduler) {
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super();
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this.value = value;
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this.scheduler = scheduler;
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this._isScalar = true;
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if (scheduler) {
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this._isScalar = false;
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}
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}
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static create(value, scheduler) {
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return new ScalarObservable(value, scheduler);
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}
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static dispatch(state) {
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const { done, value, subscriber } = state;
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if (done) {
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subscriber.complete();
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return;
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}
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subscriber.next(value);
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if (subscriber.closed) {
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return;
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}
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state.done = true;
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this.schedule(state);
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}
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/** @deprecated internal use only */ _subscribe(subscriber) {
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const value = this.value;
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const scheduler = this.scheduler;
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if (scheduler) {
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return scheduler.schedule(ScalarObservable.dispatch, 0, {
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done: false, value, subscriber
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});
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}
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else {
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subscriber.next(value);
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if (!subscriber.closed) {
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subscriber.complete();
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}
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}
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}
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}
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//# sourceMappingURL=ScalarObservable.js.map
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