js-luhn

A JavaScript module of the luhn algorithm for Credit Card Validation that works with both client-side JavaScript and Node.js.

``bash
A js-luhn algorithm for validating credit cards
`

Getting Started

$3

`bash
npm install js-luhn --save
`

How to use

$3


`java-script
import luhn from "js-luhn"; // Javascript
`
`java-script
const stats = require('js-luhn'); ; // Node Js
`

API Documentation

#### Luhn(data)

Returns the Boolean value in a given data.

`java-script
import luhn from "js-luhn";

// '4242424242424242'
if(luhn('4242424242424242')) { // return boolean
... // your code here
}

// '4242 4242 4242 4242'
if(luhn('4242 4242 4242 4242')) { // return boolean
... // your code here
}

// 378282246310005
if(luhn(378282246310005)) { // return boolean
... // your code here
}
`


Running Tests


To run the test suite first install the development dependencies:
`java-script
npm install
`
then run the tests:
`java-script
node test
``

License

ISC