From ecd8f95bc97e903d362f6f2dff9a0a336d1dad2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20Lyngs=C3=B8?= <niels.lyngso@gmail.com>
Date: Tue, 21 Feb 2023 20:20:42 +0100
Subject: [PATCH] extract deepFreeze function

---
 .../observable-api/deep-freeze.function.ts    | 18 ++++++++++++++++
 .../libs/observable-api/deep-state.ts         | 21 +------------------
 2 files changed, 19 insertions(+), 20 deletions(-)
 create mode 100644 src/Umbraco.Web.UI.Client/libs/observable-api/deep-freeze.function.ts

diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-freeze.function.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-freeze.function.ts
new file mode 100644
index 0000000000..6dc099932d
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-freeze.function.ts
@@ -0,0 +1,18 @@
+export const deepFreeze = Object.freeze(function deepFreezeImpl<T>(inObj: T): T {
+	if (inObj != null && typeof inObj === 'object') {
+		Object.freeze(inObj);
+
+		Object.getOwnPropertyNames(inObj)?.forEach(function (prop) {
+			if (
+				// eslint-disable-next-line no-prototype-builtins
+				(inObj as any).hasOwnProperty(prop) &&
+				(inObj as any)[prop] != null &&
+				typeof (inObj as any)[prop] === 'object' &&
+				!Object.isFrozen((inObj as any)[prop])
+			) {
+				deepFreeze((inObj as any)[prop]);
+			}
+		});
+	}
+	return inObj;
+});
diff --git a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts
index d7b03f83f3..68933c336f 100644
--- a/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts
+++ b/src/Umbraco.Web.UI.Client/libs/observable-api/deep-state.ts
@@ -1,25 +1,6 @@
 import { BehaviorSubject } from 'rxjs';
 import { createObservablePart } from './create-observable-part.method';
-
-// TODO: Should this handle array as well?
-function deepFreeze<T>(inObj: T): T {
-	if (inObj != null && typeof inObj === 'object') {
-		Object.freeze(inObj);
-
-		Object.getOwnPropertyNames(inObj)?.forEach(function (prop) {
-			if (
-				// eslint-disable-next-line no-prototype-builtins
-				(inObj as any).hasOwnProperty(prop) &&
-				(inObj as any)[prop] != null &&
-				typeof (inObj as any)[prop] === 'object' &&
-				!Object.isFrozen((inObj as any)[prop])
-			) {
-				deepFreeze((inObj as any)[prop]);
-			}
-		});
-	}
-	return inObj;
-}
+import { deepFreeze } from './deep-freeze.function';
 
 export function naiveObjectComparison(objOne: any, objTwo: any): boolean {
 	return JSON.stringify(objOne) === JSON.stringify(objTwo);