A quick and useful TypeScript package verify whether the EAN, UPC, IMEI, EID, ISBN, and card is valid or not, it uses Luhn algorithm validation method.

Luhn algorithm also known as the modulus 10 or mod 10 algorithm, is a simple checksum formula used to validate a variety of identification numbers.

🚀 Technologies

This project was built using the following technologies:

• Typescript
• Jest
• Prettier
• Tslint
• BigInteger

💻 Installation

To add this package to your project, simply execute the following command:

Remind: You must be on your project root directory

$ npm install luhn-validation

🔎 Usage

$ import { imei } from 'luhn-validation';

Tip: Place your mouse pointer over the validate and you will have access to descriptions

Methods

• ean (string | number)

  Validate EAN number

• upc (string | number)

  Validate UPC number

• imei (string | number)

  Validate IMEI number

• eid (string)

  Validate EID number

• isbn (string | number)

  Validate ISBN number

• card (string | number)

  Validate credit/debit card number

📏 Example

If you want to check if an IMEI is valid or not, do the following:

$ import { imei } from 'luhn-validation';
// validate function returns a boolean

console.log(imei(868241056923981))
//boolean result

👍 Contributing

Contributions are what make this platform an amazing place to learn, inspire, and create. Please feel free to visit the open issues section to propose or create a related issue.

📄 Licensing

This repository is MIT licensed, as found in the LICENSE file.

luhn-validation has no documentation, just this repo.