queen_validators 0.0.1+9-beta

validate variables with extensions and pure flutter TextFormFeild with qValidator function

Queen validators 👑

Table of Contents

مقال يشرح بالعربي الفائده من المكتبة وطريقة الاستخدام

• Queen validators 👑
• Table of Contents
  • Features
  • installation
  • Validate variables
  • Validate Forms
  • Supported Rules

Features

• easily customize form validation error massages with any localization solution
• need a new rule ? just extend QueenValidationRule
• extension on String and dynamic Types give you little push

installation

dependencies:
  queen_validators: ^0.0.1+9-beta

Validate variables

const badEmail = 'QueenRoyal.kingdom';
print(badEmail.isEmail) // false

const validEmail = '[e-mail]';
print(validEmail.isEmail) // true

Validate Forms

import 'package/queen_validators/queen_validators.dart';
@override
Widget build(BuildContext context) {
return TextFormField(
     // use qValidator function and provider list of rules to apply on this field
    validator: qValidator([
      IsEmail(),
      MinLength(8),
      MaxLength(30, msg: "optionally you can decide which message to display if the validation fails"),
    ]),
  );
  }

Supported Rules

Rule	#	default message
IsOptional	allows you to skip the errors if the input is empty
IsRequired	the input value must not be empty	required
IsEmail	the input value must be a valid email address	is not valid email address
Match(String stringToMatchWith,{bool ignoreCase = false})	the input value must match other String	did not match
IsIn(List<String>)	the input value must be in the provided list	is not accepted
IsNotIn(List<String>)	the input value must not be in the provided list	is not valid email address
MaxLength(int max)	the input value length must not be > the max	'max length is $max'
MinLength(int min)	the input value length must not be < the min	'min length is $min'
RegExpRule(RegExp regX)	the input value mush match the provided regX	did not match
Contain(String value)	checks if the input does contain the provided value	must contain $value
NotContains(String val)	checks if input does not contain the provided value	must not contain $value
ContainsAny(List<String> val)	check if the value contain at lest one of String form the provided list	must contain any blacklisted keywords
NotContainsAny(List<String> val)	check if the value does not contain any item from the provided list	must contain at least one of the whitelisted keywords