Utility function to validate CNPJ (Brazilian employer ID).

Browser Support

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Installation

# using NPM
$ npm install --save @lacussoft/cnpj-val

# using Bun
$ bun add @lacussoft/cnpj-val

Import

// ES Modules
import cnpjVal from '@lacussoft/cnpj-val'

// Common JS
const cnpjVal = require('@lacussoft/cnpj-val')

or import it through your HTML file, using CDN:

<script src="https://cdn.jsdelivr.net/npm/@lacussoft/cnpj-val@latest/dist/cnpj-val.min.js"></script>

Usage:

cnpjVal('98765432000198')      // returns 'true'

cnpjVal('98.765.432/0001-98')  // returns 'true'

cnpjVal('98765432000199')      // returns 'false'
                     ^^

Contribution & Support

We welcome contributions! Please see our Contributing Guidelines for details. But if you find this project helpful, please consider:

• ⭐ Starring the repository
• 🤝 Contributing to the codebase
• 💡 Suggesting new features
• 🐛 Reporting bugs

License

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

Changelog

See CHANGELOG for a list of changes and version history.

Made with ❤️ by Lacus Solutions