Merge pull request #30 from jackielii/patch-1

only stringify action when wasMutated. fix #29
leoasis · Sep 26, 2017 · cda52f6 · cda52f6
2 parents e885777 + e007b91
commit cda52f6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -47,7 +47,7 @@ export default function immutableStateInvariantMiddleware(options = {}) {
       // Track before potentially not meeting the invariant
       tracker = track(state);
 
-      invariant(
+      result.wasMutated && invariant(
         !result.wasMutated,
         INSIDE_DISPATCH_MESSAGE,
         (result.path || []).join('.'),