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Description:

inspection

Inspection #
With Inspection you can validate your inputs in Flutter & Dart like Laravel Framework.
How to install : #
Add this to your package's pubspec.yaml file:
dependencies:
inspection: ^0.0.13
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Then You can install packages from the command line:
$ pub get
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or
$ flutter pub get
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Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.
Now in your Dart code, you can use:
import 'package:inspection/inspection.dart';
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Basic Usage : #
You have a form , you want to validate inputs everyday in programming . With Inspection you can validate your inputs in Dart like Laravel Framework . See examples below .
You expect a required number with many conditions and rules :
In this case , we get help from Inspection helper function .
TextFormField(
validator: (input) => inspection(input, 'required|numeric|between:2000,6000|contains:22,33,55|ends_with:0'),
),
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You can use Inspection class :
TextFormField(
validator: (input) => Inspection().inspect(input, 'required|float'),
),
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And you can use helper function and Inspection class with List of rules , so you can make a global validation configuration List and you can change your rules in whole of the application whenever you want.
TextFormField(
validator: (input) => inspection(input, ['required','float']),
),
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or
TextFormField(
validator: (input) => inspect(input, ['required','float']),
),
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Options : #
You can set attribute name , custom message and locale . For example :
TextFormField(
validator: (input) => inspect(input, 'required|float',message: 'my custom message here !'),
),
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Rules : #

Rule
Description
Example

iran_national_code
Input must be a iranian national code
inspect(input,'iran_national_code')

have_alpha
The attribute must have alpha in it
inspect(input,'have_alpha')

alpha_num
The attribute must contains only letters and numbers
inspect(input,'alpha_num')

between
The attribute must be between :min and :max
inspect(input,'between:3,9')

contains
The attribute must contains one of your worlds
inspect(input,'contains:farid,farhad')

email
The attribute must be a valid email
inspect(input,'email')

ends_with
The attribute must ends with your pattern
inspect(input,'ends_with:bye')

gt
The attribute must grater than :gt
inspect(input,'gt:10')

gte
The attribute must grater than or equal to :gte
inspect(input,'gte:10')

hex
The attribute must be a valid hex code
inspect(input,'hex')

in
The attribute must be one of options in your list
inspect(input,'in:farid,farhad,john')

ip
The attribute must be a valid IP
inspect(input,'ip')

lt
The attribute must be less than :lt
inspect(input,'lt:100')

lte
The attribute must be less than or equal to :lte
inspect(input,'lte:100')

max
The attribute must have maximum :max character
inspect(input,'max:10')

min
The attribute must have at least :min character
inspect(input,'min:3')

not_in
The attribute must not exists in list :not_in
inspect(input,'not_in:saman,ahmad')

numeric
The attribute must be a number
inspect(input,'numeric')

alpha
The attribute must contains only letters
inspect(input,'alpha')

float
The attribute must be float
inspect(input,'float')

integer
The attribute must be integer
inspect(input,'integer')

number
The attribute must contains only number
inspect(input,'number')

regex
The attribute must match with regex
inspect(input,'regex:^[a-zA-Z0-9]')

required
The attribute field is required
inspect(input,'required')

starts_with
The attribute must starts with your pattern
inspect(input,'starts_with:hi')

url
The attribute must be a valid url
inspect(input,'url')

Locales : #
Inspection supports two languages now . English with code : en , and Persian with code fa . You can set locale when initialize inspection or in optional parameter of inspect method. For example :
TextFormField(
validator: (input) => Inspection(inspectionLocale : 'fa').inspect(input, 'required|in:farid,farhad'),
),
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or
TextFormField(
validator: (input) => Inspection().inspect(input, 'required|in:farid,farhad',locale:'fa'),
),
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Custom Rules : #
You can simply extend from Inspection class and develop your custom rule . For example :
class CustomInspection extends Inspection {
String myCustomRule(ruleString, inspectionCase) {
switch (ruleString) {
case 'myCustomRule':
// Your conditional codes here or copy from a Rule class and change it to your own .
return MyCustomeRuleClass(inspectionCase).stringValidation();
}
return null;
}
}
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Contribute : #
You can help me and contribute for :

New rules
More locales
Better exceptions