import { sample as higherOrder } from '../operators/sample'; /** * Emits the most recently emitted value from the source Observable whenever * another Observable, the `notifier`, emits. * * It's like {@link sampleTime}, but samples whenever * the `notifier` Observable emits something. * * * * Whenever the `notifier` Observable emits a value or completes, `sample` * looks at the source Observable and emits whichever value it has most recently * emitted since the previous sampling, unless the source has not emitted * anything since the previous sampling. The `notifier` is subscribed to as soon * as the output Observable is subscribed. * * @example On every click, sample the most recent "seconds" timer * var seconds = Rx.Observable.interval(1000); * var clicks = Rx.Observable.fromEvent(document, 'click'); * var result = seconds.sample(clicks); * result.subscribe(x => console.log(x)); * * @see {@link audit} * @see {@link debounce} * @see {@link sampleTime} * @see {@link throttle} * * @param {Observable} notifier The Observable to use for sampling the * source Observable. * @return {Observable} An Observable that emits the results of sampling the * values emitted by the source Observable whenever the notifier Observable * emits value or completes. * @method sample * @owner Observable */ export function sample(notifier) { return higherOrder(notifier)(this); } //# sourceMappingURL=sample.js.map