Avoid unnecessary re-renders by comparing errors to previous errors

jaredpalmer · Nov 26, 2019 · 5ded232 · 5ded232
1 parent 37870bf
commit 5ded232
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Formik.tsx b/src/Formik.tsx
@@ -60,6 +60,10 @@ function formikReducer<Values>(
     case 'SET_TOUCHED':
       return { ...state, touched: msg.payload };
     case 'SET_ERRORS':
+      if (isEqual(state.errors, msg.payload)) {
+        return state;
+      }
+
       return { ...state, errors: msg.payload };
     case 'SET_STATUS':
       return { ...state, status: msg.payload };