new subjects

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

@@ -0,0 +1,19 @@
+import { BehaviorSubject } from "rxjs";
+
+/**
+ * @export
+ * @class BasicState
+ * @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 BasicState<T extends string | number | undefined | null> extends BehaviorSubject<T> {
+	constructor(initialData: T) {
+		super(initialData);
+	}
+
+	next(newData: T): void {
+		if(newData !== this.getValue()) {
+			super.next(newData);
+		}
+	}
+}

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

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+import { BasicState } from "./basic-state";
+
+/**
+ * @export
+ * @class NumberState
+ * @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 NumberState<T extends number | undefined | null> extends BasicState<T> {
+
+}

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> {
+
+}