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- import { OuterSubscriber } from '../OuterSubscriber';
- import { subscribeToResult } from '../util/subscribeToResult';
- /**
- * Returns an Observable that skips items emitted by the source Observable until a second Observable emits an item.
- *
- * <img src="./img/skipUntil.png" width="100%">
- *
- * @param {Observable} notifier - The second Observable that has to emit an item before the source Observable's elements begin to
- * be mirrored by the resulting Observable.
- * @return {Observable<T>} An Observable that skips items from the source Observable until the second Observable emits
- * an item, then emits the remaining items.
- * @method skipUntil
- * @owner Observable
- */
- export function skipUntil(notifier) {
- return (source) => source.lift(new SkipUntilOperator(notifier));
- }
- class SkipUntilOperator {
- constructor(notifier) {
- this.notifier = notifier;
- }
- call(subscriber, source) {
- return source.subscribe(new SkipUntilSubscriber(subscriber, this.notifier));
- }
- }
- /**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
- class SkipUntilSubscriber extends OuterSubscriber {
- constructor(destination, notifier) {
- super(destination);
- this.hasValue = false;
- this.isInnerStopped = false;
- this.add(subscribeToResult(this, notifier));
- }
- _next(value) {
- if (this.hasValue) {
- super._next(value);
- }
- }
- _complete() {
- if (this.isInnerStopped) {
- super._complete();
- }
- else {
- this.unsubscribe();
- }
- }
- notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
- this.hasValue = true;
- }
- notifyComplete() {
- this.isInnerStopped = true;
- if (this.isStopped) {
- super._complete();
- }
- }
- }
- //# sourceMappingURL=skipUntil.js.map
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