abiodundotdev/flutter_laravel_form_validation

Flutter Laravel Form Validation

A simplified dart extension based flutter form validation . Inspired by Laravel Validation.

🎖 Installing

dependencies:
  flutter_laravel_form_validation : ^1.0.4

⚡️ Import

import 'package:flutter_laravel_form_validation/flutter_laravel_form_validation.dart';

🎮 How To Use

Validation rules in a list, short form without label or custom messages

    TextFormField(
        validator : ['required','max:10','uppercase'].v,
    ),

Validation rules in a list using the FLValidator class, short form without label or custom messages

    TextFormField(
        validator : [FLValidator.required,FLValidator.max(10),FLValidator.uppercase].v,
    ),

Custom validation in a list

    TextFormField(
        validator : [FLValidator.required,customValidation].v,
    ),

    String? customValidation(String? value) {
    if (value == "flutterdev") {
        return "Value cannot be flutterdev";
    }
    return null;
    }

Validation rules in a string, short form without label or custom messages

    TextFormField(
        validator : "required|max:10|uppercase".v,
    ),

Validation rules in a list with label or custom messages

 TextFormField(
        validator : ['required','max:10','uppercase',].validate(attribute: 'Username',
        customMessages: {
            'required': "You must input your username",
            'max': "The length must be 10",
             'uppercase': "Only uppercase is allowed"
            },
    ),

Validation rules in a list with label or custom messages

 TextFormField(
        validator : "required|max:10|uppercase".validate(attribute: 'Username',
        customMessages: {
            'required': "You must input your username",
            'max': "The length must be 10",
             'uppercase': "Only uppercase is allowed"
            },
    ),

Rules

Class property	String	Description	Example
FLValidator.required	required	For making sure a form field value is required	['required'] or 'required' or [FLValidator.required]
FLValidator.numeric	numeric	For making sure a form field value is numeric	['numeric'] or 'numeric' or [FLValidator.numeric]
FLValidator.integer	interger	For making sure a form field value is an interger	['interger'] or 'interger' or [FLValidator.interger]
FLValidator.double	double	For making sure a form field value is a double	['double'] or 'double' or [FLValidator.double]
FLValidator.between(min,max)	between(min,max)	For making sure a form field value is between the of min and max	['between:2,8'] or 'between(2,8)' or [FLValidator.between(2,8)]
FLValidator.max(length)	max:length	For making sure a form field value length is limited to the max length	['max:5'] or 'max:5' or [FLValidator.max(5)
FLValidator.min(length)	min:length	For making sure a form field value length is limited to the min length	['min:5'] or 'min:5' or [FLValidator.min(5)]
FLValidator.gt(number)	gt:number	For making sure a form field value is greater than the number specified	['gt:10'] or 'gt:10' or [FLValidator.gt(10)]
FLValidator.lt(number)	lt:number	For making sure a form field value is less than the number specified	['lt:10'] or 'lt:10' or [FLValidator.lt(10)]
FLValidator.gte(number)	gte:number	For making sure a form field value is greater than or equal to the number specified	['gte:10'] or 'gte:10' or [FLValidator.gte(10)]
FLValidator.lte(number)	lte:number	For making sure a form field value is less than or equal to the number specified	['lte:10'] or 'lte:10' or [FLValidator.lte(10)]
FLValidator.uppercase	uppercase	For making sure a form field value is uppercase	['uppercase'] or 'uppercase' or [FLValidator.uppercase]
FLValidator.lowercase	lowercase	For making sure a form field value is lowercase	['lowercase'] or 'lowercase' or [FLValidator.lowercase]
FLValidator.startsWith(value)	starts_with:value	For making sure a form field value starts with the specified value	['starts_with:man'] or 'starts_with:man' or [FLValidator.startsWith(man)]
FLValidator.endsWith(value)	ends_with:value	For making sure a form field value ends with the specified value	['ends_with:man'] or 'ends_with:man' or [FLValidator.endsWith(man)]
FLValidator.same(other)	same:other	For making sure a form field value is same as other	['same:other'] or 'same:other' or [FLValidator.same(other)]
FLValidator.alphaNum	alpha_num	For making sure a form field value is alpha numeric	['alpha_num'] or 'alpha_num' or [FLValidator.alphaNum]
FLValidator.inItems(List items)	in:	For making sure a form field value exist in a list	['in:he,she,it'] or 'in:he,she,it' or [FLValidator.inItems([he,she,it])]
FLValidator.notInItems(List items)	not_in:	For making sure a form field value does exist in a list	['not_in:he,she,it'] or 'not_in:he,she,it' or [FLValidator.notInItems([he,she,it])]
FLValidator.regEx(pattern)	regex:pattern	For making sure a form field value match the specified regular expression pattern	['regex:pattern'] or 'regex:pattern' or [FLValidator.regEx(pattern)]
FLValidator.email	email	For making sure a form field value is an email	['email'] or 'email' or [FLValidator.email]
FLValidator.ip	ip	For making sure a form field value is an ip address	['ip'].v or 'ip'.v or [FLValidator.ip].v
FLValidator.url	url	For making sure a form field value is a url	['url'].v or 'url'.v or [FLValidator.url].v

Also, localization is a work in progress

🐛 Bugs/Requests

If you encounter any problems feel free to open an issue. If you feel the library is missing a feature, please raise a ticket on Github and I'll look into it. Pull request are also welcome.