pro_validator 1.0.0+1
pro_validator: ^1.0.0+1 copied to clipboard
The validator package comes with several common validations and removes the boiler plate code from your project.
pro_validator #
The validator package comes with several common validations and removes the boiler plate code from your project.
Features #
- Contains several common validations
- Supports grouping of validators to write concise code
- Zero dependency
- Well tested
- Easy to use and removes boiler plate code from your project
How to use #
Install #
flutter pub add pro_validator
Example #
NOTE: if validate value contains is a null value, the result is null, not an error.
import 'package:pro_validator/pro_validator.dart';
void main() {
const emailValidator = MultiValidator(
validators: [
RequiredValidator(error: 'Required field'),
EmailValidator(error: 'Invalid email'),
],
);
print('null email validation ${emailValidator(null)}');
print('empty email validation ${emailValidator('')}');
print('invalid email validation ${emailValidator('mail@com')}');
print('valid email validation ${emailValidator('mail@mail.com')}');
const passwordValidator = MultiValidator(
validators: [
RequiredValidator(error: 'Required field'),
MinLengthValidator(min: 8, error: 'Min length 8'),
HasUppercaseValidator(error: 'Must contain at least one uppercase'),
HasLowercaseValidator(error: 'Must contain at least one lowercase'),
],
);
print('null password validation ${passwordValidator(null)}');
print('empty password validation ${passwordValidator('')}');
print('min length password validation ${passwordValidator('1232')}');
print('invalid password validation ${passwordValidator('12345678')}');
print('invalid password validation ${passwordValidator('12345678A')}');
print('valid password validation ${passwordValidator('a12345678A')}');
final matchValidator = MatchValidator(error: 'Do not match');
print('match validation ${matchValidator('a', 'b')}');
}
Available Validators #
Validator | Description |
---|---|
RequiredValidator | Ensures the value is not empty, not white space only. |
MaxLengthValidator | Ensures the value length contains no more than a set [max] of characters. |
MinLengthValidator | Ensures the value length contains no fewer than a set [min] of characters. |
HasUppercaseValidator | Ensures the value contains a minimum of one uppercase character. |
HasLowercaseValidator | Ensures the value contains a minimum of one lowercase character. |
HasANumberValidator | Ensures the value contains a minimum of one numeric character. |
LengthRangeValidator | Ensures the value length is contained in the range [min, max]. |
NumRangeValidator | Ensures the num value is contained in the range [min, max]. |
EmailValidator | Ensures the value is a validly formatted email address. |
PhoneValidator | Ensures the value is a validly formatted phone number. |
UrlValidator | Ensures the value is a validly formatted URL. |
PatternValidator | Ensures a custom regular expression string. |
MatchValidator | A special match validator to check if the v1 equals v2 value. |
MultiValidator | Group together and validate the basic validators. |