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<div class="content" data-ice="content"><h1 data-ice="title">es6/operator/takeUntil.js</h1>
<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
/**
* Emits the values emitted by the source Observable until a `notifier`
* Observable emits a value.
*
* <span class="informal">Lets values pass until a second Observable,
* `notifier`, emits something. Then, it completes.</span>
*
* <img src="./img/takeUntil.png" width="100%">
*
* `takeUntil` subscribes and begins mirroring the source Observable. It also
* monitors a second Observable, `notifier` that you provide. If the `notifier`
* emits a value or a complete notification, the output Observable stops
* mirroring the source Observable and completes.
*
* @example <caption>Tick every second until the first click happens</caption>
* var interval = Rx.Observable.interval(1000);
* var clicks = Rx.Observable.fromEvent(document, 'click');
* var result = interval.takeUntil(clicks);
* result.subscribe(x => console.log(x));
*
* @see {@link take}
* @see {@link takeLast}
* @see {@link takeWhile}
* @see {@link skip}
*
* @param {Observable} notifier The Observable whose first emitted value will
* cause the output Observable of `takeUntil` to stop emitting values from the
* source Observable.
* @return {Observable<T>} An Observable that emits the values from the source
* Observable until such time as `notifier` emits its first value.
* @method takeUntil
* @owner Observable
*/
export function takeUntil(notifier) {
return this.lift(new TakeUntilOperator(notifier));
}
var TakeUntilOperator = (function () {
function TakeUntilOperator(notifier) {
this.notifier = notifier;
}
TakeUntilOperator.prototype.call = function (subscriber, source) {
return source._subscribe(new TakeUntilSubscriber(subscriber, this.notifier));
};
return TakeUntilOperator;
}());
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var TakeUntilSubscriber = (function (_super) {
__extends(TakeUntilSubscriber, _super);
function TakeUntilSubscriber(destination, notifier) {
_super.call(this, destination);
this.notifier = notifier;
this.add(subscribeToResult(this, notifier));
}
TakeUntilSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
this.complete();
};
TakeUntilSubscriber.prototype.notifyComplete = function () {
// noop
};
return TakeUntilSubscriber;
}(OuterSubscriber));
//# sourceMappingURL=takeUntil.js.map</code></pre>
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