GS1 key generation and validation
License: MIT License
GS1 key generation and validation. Formats: GTIN-8, GTIN-12, GTIN-13, GTIN-14, GSIN, SSCC
Validates GS1 key according to GS1
npm
npm i gs1-key
var gs1 = require( 'gs1-key');
// Get GS1 key
console.log(gs1('01234567890'));
//012345678905
// Get check digit
console.log(gs1.create('01234567890'));
//5
// Valiadte
console.log(gs1.validate('012345678905'));
//true
// Get format type
console.log(gs1.formatType('012345678905'));
//GTIN-12
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