t-val is an input validator, can be used with the input field and you can define set of rules to apply on input field.

Here's the Code Sandbox!

Installation

Installing the package.

$ npm install @taimoorimran/tval

Usage

// importing the package
    import tval from '@taimoorimran/tval';
// calling the function
    const config = { 
        ...
    }
    console.log(tval('value', config));

Configuration

Length

Rule	Type	Value	Description
minLength	int	-	Length of string should be greater

const config = {
    minLength: 5
}

Rule	Type	Value	Description
maxLength	int	-	Length of string should be lesser

const config = {
    maxLength: 5
}

Rule	Type	Value	Description
length	int	-	Length of string should be equals to

const config = {
    length: 5
}

Alphabets

Rule	Type	Value	Description
allowUpper	bool	Default: False	Allow upper case characters in string - [A-Z]

const config = {
    characters: {
        allowUpper: // true / false
    }
}

Rule	Type	Value	Description
allowLower	bool	Default: False	Allow lower case characters in string - [a-z]

const config = {
    characters: {
        allowLower: // true / false
    }
}

Numerals

Rule	Type	Value	Description
allowNumeric	bool	Default: False	Allow numerals in string - [0-9]

const config = {
    allowNumeric: // true / false
}

Space

Rule	Type	Value	Description
dontAllowSpace	bool	Default: False	Allow spaces in string

const config = {
    dontAllowSpace: // true / false
}

Special Characters

Rule	Type	Value	Description
allowAll	bool	Default: False	Allow special characters => [!, @, #, $, %, ^, &, *]

const config = {
    specialCharacters: {
        allowAll: // true / false
    }
}

Rule	Type	Value	Description
onlyAllowThese	bool	Default: False	Add selective special characters

const config = {
    specialCharacters: {
        onlyAllowThese: '&#_-'
    }
}

Overview

const config = {
    minLength: 1,
    maxLength: 5,
    //OR
    length: 10,
    allowNumeric: // true / false,
    characters: {
        allowUpper: // true / false,
        allowLower: // true / false
    },
    specialCharacters: {
        allowAll: // true / false,
        onlyAllowThese: '&#_-'
    }
}

License

t-val is MIT licensed.

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