Support immer 9.x

package.json

@@ -39,6 +39,6 @@
         "typescript": "^3.9.9"
     },
     "dependencies": {
-        "immer": "^1.4.0 || ^2.0.0 || ^3.0.0 || ^4.0.0 || ^5.0.0 || ^8.0.0"
+        "immer": "^1.4.0 || ^2.0.0 || ^3.0.0 || ^4.0.0 || ^5.0.0 || ^6.0.0 || ^8.0.0 || ^9.0.0"
     }
 }

src/immer-reducer.ts

@@ -356,13 +356,14 @@ export function createReducerFunction<T extends ImmerReducerClass>(
                 return reducers.draftState;
             }
 
-            // Workaround typing changes in Immer 3.x. This does not actually
+            return draftState;
+
+            // Workaround typing changes in Immer 9.x. This does not actually
             // affect the exposed types by immer-reducer itself.
 
             // Also using immer internally with anys like this allow us to
-            // support multiple versions of immer from 1.4 to 3.x
-            return draftState as any;
-        });
+            // support multiple versions of immer.
+        }) as any;
     };
 }