update

node_modules/rxjs/operators/publish.js

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+"use strict";
+var Subject_1 = require('../Subject');
+var multicast_1 = require('./multicast');
+/* tslint:enable:max-line-length */
+/**
+ * Returns a ConnectableObservable, which is a variety of Observable that waits until its connect method is called
+ * before it begins emitting items to those Observers that have subscribed to it.
+ *
+ * <img src="./img/publish.png" width="100%">
+ *
+ * @param {Function} [selector] - Optional selector function which can use the multicasted source sequence as many times
+ * as needed, without causing multiple subscriptions to the source sequence.
+ * Subscribers to the given source will receive all notifications of the source from the time of the subscription on.
+ * @return A ConnectableObservable that upon connection causes the source Observable to emit items to its Observers.
+ * @method publish
+ * @owner Observable
+ */
+function publish(selector) {
+    return selector ?
+        multicast_1.multicast(function () { return new Subject_1.Subject(); }, selector) :
+        multicast_1.multicast(new Subject_1.Subject());
+}
+exports.publish = publish;
+//# sourceMappingURL=publish.js.map