RefineMapValidator class

A specialized validator for refining validation logic on a map.

This validator allows custom validation rules for a map structure and enables error messages to be associated with a specific key path.

Example

final validator = v.map({
  'email': v.string().email(),
  'password': v.string().min(8),
  'confirmPassword': v.string().min(8),
}).refine(
  (data) => data?['password'] == data?['confirmPassword'],
  path: 'confirmPassword',
  message: 'Passwords do not match',
);

print(validator.validate({
  'email': 'test@example.com',
  'password': 'secret123',
  'confirmPassword': 'secret123',
})); // true

print(validator.validate({
  'email': 'test@example.com',
  'password': 'secret123',
  'confirmPassword': 'wrongpass',
})); // false, because passwords do not match