Merge pull request #4 from omelhoro/patch-1

Guard against undefined
brandonroberts · Oct 12, 2016 · 39cd881 · 39cd881
2 parents deacf96 + 74ee203
commit 39cd881
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/index.ts b/src/index.ts
@@ -9,7 +9,11 @@ export function storeFreeze(reducer): ActionReducer<any> {
     return function (state = {}, action) {
 
         deepFreeze(state);
-        deepFreeze(action.payload);
+
+        // guard against trying to freeze null or undefined types
+        if (action.payload) {
+            deepFreeze(action.payload);
+        }
 
         let nextState;