cdigit
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Generate and validate check digits
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
// Generate and validate check digits using Verhoeff algorithm
console.log(cdigit.verhoeff.generate('1234')); // '0'
console.log(cdigit.verhoeff.encode('1234')); // '12340'
console.log(cdigit.verhoeff.validate('12340')); // true
console.log(cdigit.verhoeff.validate('12345')); // false
FAQs
Collection of check digit algorithms implemented in JavaScript
The npm package cdigit receives a total of 3,799 weekly downloads. As such, cdigit popularity was classified as popular.
We found that cdigit demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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