19 lines
558 B
Dart
19 lines
558 B
Dart
import 'package:formz/formz.dart';
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enum TransactionDateValidationError {
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empty('Date empty'),
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invalid('Date invalid');
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final String message;
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const TransactionDateValidationError(this.message);
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}
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class TransactionDate extends FormzInput<DateTime?, TransactionDateValidationError> {
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const TransactionDate.pure() : super.pure(null);
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const TransactionDate.dirty([super.value]) : super.dirty();
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@override
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TransactionDateValidationError? validator(DateTime? value) {
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return value == null ? TransactionDateValidationError.empty : null;
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}
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} |