new subjects

src/Umbraco.Web.UI.Client/libs/observable-api/string-state.ts

@@ -0,0 +1,11 @@
+import { BasicState } from "./basic-state";
+
+/**
+ * @export
+ * @class StringState
+ * @extends {BehaviorSubject<T>}
+ * @description - A RxJS BehaviorSubject this Subject ensures the data is unique, not updating any Observes unless there is an actual change of the value.
+ */
+export class StringState<T extends string | undefined | null> extends BasicState<T> {
+
+}