update

node_modules/rxjs/_esm2015/operator/isEmpty.js

@@ -0,0 +1,14 @@
+import { isEmpty as higherOrder } from '../operators/isEmpty';
+/**
+ * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.
+ *
+ * <img src="./img/isEmpty.png" width="100%">
+ *
+ * @return {Observable} An Observable that emits a Boolean.
+ * @method isEmpty
+ * @owner Observable
+ */
+export function isEmpty() {
+    return higherOrder()(this);
+}
+//# sourceMappingURL=isEmpty.js.map