fix 'smart' SubmitButton behavior

README.md

@@ -106,6 +106,8 @@ function App() {
 ```
 
 The `SubmitButton` and `ResetButton` will disable automatically depending on form state. The `ResetButton` is enabled if the form is dirty. The `SubmitButton` is enabled if the form is valid or if it is not dirty.
+If you do want to control the disable behavior yourself you can provide the (usual ant design) `disable: boolean` prop.
+I.e. `<SubmitButton disabled={false} />` will make the button always be enabled.
 
 ## Form- and Field-level Validation
 

src/submit-button/index.tsx

@@ -5,12 +5,12 @@ import { ButtonProps } from 'antd/lib/button'
 
 export const SubmitButton = ({ children, ...restProps }: ButtonProps) => (
   <Field>
-    {({ form: { isSubmitting, isValid, dirty } }: FieldProps) => (
+    {({ form: { isSubmitting, isValid, dirty, submitCount } }: FieldProps) => (
       <Button
         loading={isSubmitting}
         type='primary'
         htmlType='submit'
-        disabled={!isValid && dirty}
+        disabled={!isValid && (dirty || submitCount > 0)}
         {...restProps}
       >
         {children}