react antd form disable submit button

1<Form.Item shouldUpdate className="submit">
2  {() => (
3    <Button
4      type="primary"
5      htmlType="submit"
6      disabled={
7        !form.isFieldsTouched(true) ||
8        form.getFieldsError().filter(({ errors }) => errors.length)
9          .length > 0
10      }
11    >
12      Log in
13    </Button>
14  )}
15</Form.Item>
16