25 lines
1023 B
JavaScript
25 lines
1023 B
JavaScript
"use strict";
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var multicast_1 = require('./multicast');
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var refCount_1 = require('./refCount');
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var Subject_1 = require('../Subject');
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function shareSubjectFactory() {
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return new Subject_1.Subject();
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}
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/**
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* Returns a new Observable that multicasts (shares) the original Observable. As long as there is at least one
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* Subscriber this Observable will be subscribed and emitting data. When all subscribers have unsubscribed it will
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* unsubscribe from the source Observable. Because the Observable is multicasting it makes the stream `hot`.
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* This is an alias for .multicast(() => new Subject()).refCount().
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*
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* <img src="./img/share.png" width="100%">
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*
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* @return {Observable<T>} An Observable that upon connection causes the source Observable to emit items to its Observers.
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* @method share
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* @owner Observable
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*/
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function share() {
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return function (source) { return refCount_1.refCount()(multicast_1.multicast(shareSubjectFactory)(source)); };
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}
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exports.share = share;
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;
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//# sourceMappingURL=share.js.map
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