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