Barcode Validator 
A tiny JavaScript library for validating barcodes.
Supported symbologies: EAN-13, EAN-8, UPC-A, and UPC-E. For more information on the validation algorithm, see official GS1 guide on calculating valid barcode check digits.
Usage
First, install barcode-validator
using npm:
npm i barcode-validator
Then, import
the package into your module like so:
;// or const validbarcode = require("barcode-validator");
Pass it a barcode (string or number)
for validation and get back a boolean.
; // true; // true; // false
License
Barcode Validator is MIT licensed. See license file for more information.