ViDesigner Christmas Calendar - QR encoder

Copyright (c) 2026 ViDesigner

License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html

The file assets/js/vendor/qr-code.js is an original, self-contained
JavaScript QR code encoder written for ViDesigner Christmas Calendar.
It implements the standard QR byte-mode encoding steps and error correction.
It does not bundle or depend on qrcode-terminal, Apache-2.0 software,
or a third-party QR-code generation service.

Use, modification, and redistribution are permitted under GPL-2.0-or-later.
