jakubtrzcinski/dartx.validation

dartx_validation - Dart object validation made easy!

Librabry that is inspired by javax.validation

Instalation

dependencies:
  dartx_validation: ^1.0.0
  
dev_dependencies:
  dartx_validation_generator: ^1.0.0

Annotations

Annotation	Description
Valid	Use on class co indicate that validator needs to be generated
NotNull	The annotated element must be not-null
Email	The annotated element must be a string in email format
NotBlank	The annotated element must be a not empty string
Length	The annotated element must be a string whose length must be between the specified boundaries (included).
Size	The annotated element size must be between the specified boundaries (included).
NotEmpty	The annotated element must be a string whose is not null
Min	The annotated element must be a number whose value must be higher or equal to the specified minimum.
Max	The annotated element must be a number whose value must be lower or equal to the specified maximum.

Examples

@Valid()
class FooSize {
  @Size(min:1)
  final List<String> list;
  FooSize(this.list);
}

Will generate

class FooSizeValidator {
  List<ValidationError> validate(FooSize model) {
var errors = <ValidationError>[];
;
if (model.list!.length < 1)
  errors.add(ValidationError('list', 'must contain at least 1 elements'));
return errors;
;
  }
}