From 60a2022f663ca5dbd49f821300ddbb935bd3ef85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20Lyngs=C3=B8?= <niels.lyngso@gmail.com>
Date: Tue, 24 Jan 2023 13:01:40 +0100
Subject: [PATCH] new subjects

---
 .../libs/observable-api/basic-state.ts        | 19 +++++++++++++++++++
 .../libs/observable-api/number-state.ts       | 11 +++++++++++
 .../libs/observable-api/string-state.ts       | 11 +++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 src/Umbraco.Web.UI.Client/libs/observable-api/basic-state.ts
 create mode 100644 src/Umbraco.Web.UI.Client/libs/observable-api/number-state.ts
 create mode 100644 src/Umbraco.Web.UI.Client/libs/observable-api/string-state.ts

diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/basic-state.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/basic-state.ts
new file mode 100644
index 0000000000..da449ed38c
--- /dev/null
+++ b/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);
+		}
+	}
+}
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/number-state.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/number-state.ts
new file mode 100644
index 0000000000..8a2b775351
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/number-state.ts
@@ -0,0 +1,11 @@
+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> {
+
+}
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/string-state.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/string-state.ts
new file mode 100644
index 0000000000..4ec129fe84
--- /dev/null
+++ b/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> {
+
+}