Description:

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
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⚡️ Import #
import 'package:flutter_laravel_form_validation/flutter_laravel_form_validation.dart';
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🎮 How To Use #
Validation rules in a list, short form without label or custom messages #
TextFormField(
validator : ['required','max:10','uppercase'].v,
),
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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,
),
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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;
}
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Validation rules in a string, short form without label or custom messages #
TextFormField(
validator : "required|max:10|uppercase".v,
),
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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"
},
),
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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"
},
),
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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.

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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