Tumortisch-Dist/resources/app/node_modules/rxjs/operators/share.js
2021-06-15 16:00:08 +02:00

25 lines
1023 B
JavaScript

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