Package Exports

cdigit

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Readme

cdigit

Generate and validate check digits

SYNOPSIS

const cdigit = require('cdigit');

// Generate and validate check digits using Luhn algorithm
console.log(cdigit.luhn.generate('1234'));  // '4'
console.log(cdigit.luhn.encode('1234'));    // '12344'
console.log(cdigit.luhn.validate('12344')); // true
console.log(cdigit.luhn.validate('12345')); // false