fix: if the type becomes null

Author: brunomikoski

Scripts/Editor/CreateNewCollectableType.cs

@@ -48,6 +48,13 @@ private void OnDisable()
 
         private void OnGUI()
         {
+            if (targetType == null)
+            {
+                onCreationCallback?.Invoke(false);
+                Close();
+                return;
+            }
+            
             using (new EditorGUILayout.VerticalScope("Box"))
             {
                 using (new EditorGUILayout.VerticalScope("Box"))

Scripts/Editor/ScriptableObjectCollectionCustomEditor.cs

@@ -259,17 +259,19 @@ public static void AfterStaticAssemblyReload()
 
             isWaitingForNewTypeBeCreated = false;
 
-            if (string.IsNullOrEmpty(CreateNewCollectableType.LastGeneratedCollectionScriptPath))
-                return;
-
-            string assemblyName = CompilationPipeline.GetAssemblyNameFromScriptPath(CreateNewCollectableType
-                    .LastGeneratedCollectionScriptPath);
-
-            Type targetType = Type.GetType($"{CreateNewCollectableType.LastCollectionFullName}, {assemblyName}");
+            string lastGeneratedCollectionScriptPath = CreateNewCollectableType.LastGeneratedCollectionScriptPath;
+            string lastCollectionFullName = CreateNewCollectableType.LastCollectionFullName;
 
+            if (string.IsNullOrEmpty(lastGeneratedCollectionScriptPath))
+                return;
+            
             CreateNewCollectableType.LastCollectionFullName = string.Empty;
             CreateNewCollectableType.LastGeneratedCollectionScriptPath = string.Empty;
 
+            string assemblyName = CompilationPipeline.GetAssemblyNameFromScriptPath(lastGeneratedCollectionScriptPath);
+
+            Type targetType = Type.GetType($"{lastCollectionFullName}, {assemblyName}");
+
             if (CollectionsRegistry.Instance.TryGetCollectionForType(targetType,
                 out ScriptableObjectCollection collection))
             {