node_modules/rxjs/operators/share.js - master - eb/Surf

"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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