Don't mutate user's babel config (#6987)

Don't mutate user's babel config
storybookjs · Jun 6, 2019 · f83f198 · f83f198
1 parent 5bc3610
commit f83f198
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/core/src/server/utils/load-custom-babel-config.js b/lib/core/src/server/utils/load-custom-babel-config.js
@@ -46,7 +46,7 @@ function loadFromPath(babelConfigPath) {
       throw error.js;
     }
 
-    config.babelrc = false;
+    config = { ...config, babelrc: false };
   }
 
   if (!config) return null;