getDerivedStateFromProp return null if not change

A valid state object (or null) must be returned. You have returned undefined.
newoga · Jul 22, 2018 · f728fbe · f728fbe
1 parent f796618
commit f728fbe
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/components/date-picker/createPicker.tsx b/components/date-picker/createPicker.tsx
@@ -30,6 +30,7 @@ export default function createPicker(TheCalendar: React.ComponentClass): any {
           showDate: nextProps.value,
         };
       }
+      return null;
     }
 
     private input: any;