passwordValidator top-level property

String? Function(String?)? passwordValidator
getter/setter pair

Validates a password input field.

Returns an error message if the input is empty or null.

Returns null if the input is valid.

Implementation

String? Function(String?)? passwordValidator = (String? value) {
  if (value == null || value.isEmpty) {
    return 'Please Enter Password';
  }
  if (value.length < 6) return 'Password must be at least 6 characters long';
  return null;
};