Data Validation Library

A lightweight JavaScript library for data validation in Node.js and browser environments.

Installation

You can install the Data Validation Library via npm:

npm install vader-data-validator

Usage

const DataValidator = require('data-validation-library');

// Validate a string
try {
  DataValidator.validateString('hello', 3, 10); // Valid string with length between 3 and 10 characters
  console.log('String is valid');
} catch (error) {
  console.error(error.message);
}

// Validate a number
try {
  DataValidator.validateNumber(42, 0, 100); // Valid number between 0 and 100
  console.log('Number is valid');
} catch (error) {
  console.error(error.message);
}

// Validate an email
try {
  DataValidator.validateEmail('[email protected]'); // Valid email format
  console.log('Email is valid');
} catch (error) {
  console.error(error.message);
}

API

validateString(value, minLength, maxLength)

Validates a string with optional minimum and maximum lengths.

• value: The string to validate.
• minLength: Optional minimum length of the string.
• maxLength: Optional maximum length of the string.

validateNumber(value, min, max)

Validates a number with optional minimum and maximum values.

• value: The number to validate.
• min: Optional minimum value of the number.
• max: Optional maximum value of the number.

validateEmail(value)

Validates an email address using a basic regular expression.

• value: The email address to validate.

License

This project is licensed under the MIT License - see the LICENSE file for details.