cdigit

Collection of check digit algorithms implemented in JavaScript

v4.0.2 URL: https://unpkg.com/cdigit@4.0.2/lib/index.js

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gtin-validator

Utilities to validate and work with GTIN and UPC product codes.

v1.0.0 URL: https://unpkg.com/gtin-validator@1.0.0/lib/index.js

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gtin gtin-12 gtin12 gtin-13 gtin13 gtin-14 gtin14 valid validation validator upc upc12 upc-12 upc-8 upc8 upca upc-a upce upc-e ucc ucc12 ucc-12 ean ean-13 ean13 itf itf13 itf-13 itf14 itf-14 product codes jan jan-13 jan13