1.0.2 • Published 5 years ago
gs1 v1.0.2
gs1
Generate check digits for various gs1 formats.
GTIN-8, GTIN-12, GTIN-13, GTIN-14, GSIN, SSCC
usage
const gs1 = require('gs1')
console.log(gs1('2345678'));
//23456785
console.log(gs1.checkdigit('2345678'));
//5
console.log(gs1.validate('23456785'));
//true
console.log(gs1.validate('23456783'));
//false
license
MIT