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

const config = {
    minLength: 5
}

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

const config = {
    maxLength: 5
}

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

const config = {
    length: 5
}

Alphabets

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

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

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

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

Numerals

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

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

Space

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

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

Special Characters

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

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

Rule: onlyAllowThese Type: bool Value: Default: False Description: 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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