Added check on application quit to avoid gameobject lookup

Author: DerKekser

Assets/Kekser/PowerSingleton/PowerSingletonManager.cs

@@ -26,6 +26,7 @@ private struct PowerSingletonData
 
         private static readonly Dictionary<Type, List<PowerSingletonData>> _powerSingletons = new Dictionary<Type, List<PowerSingletonData>>();
         private static bool _initialized;
+        private static bool _quitting;
 
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
         public static void Initialize()
@@ -34,10 +35,16 @@ public static void Initialize()
             {
                 LookUpAttributes();
                 SceneManager.activeSceneChanged += (arg0, arg1) => Initialize();
+                Application.quitting += Quitting;
                 _initialized = true;
             }
             AutoCreate();
         }
+        
+        private static void Quitting()
+        {
+            _quitting = true;
+        }
 
         private static bool TryAddToDictionary<TKey, TValue>(this Dictionary<TKey, TValue> dictionary, TKey key, TValue value)
         {
@@ -105,6 +112,9 @@ private static void AutoCreate()
 
         public static Object Get(Type type)
         {
+            if (_quitting)
+                return null;
+            
             Object instance = null;
             if (!_powerSingletons.ContainsKey(type))
             {

Assets/Kekser/PowerSingleton/package.json

@@ -2,7 +2,7 @@
     "name": "com.kekser.powersingleton",
     "displayName": "PowerSingleton",
     "author": { "name": "Kekser", "url": "https://github.com/DerKekser" },
-    "version": "1.3.1",
+    "version": "1.3.2",
     "unity": "2020.3",
     "description": "A simple singleton system for Unity",
     "keywords": [ "singleton" ],