pro_validator

Description:

pro validator

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
copied to clipboard
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('[email protected]')}');

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')}');
}

copied to clipboard
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.