WebViewer Barcode demonstrates a PoC for generating barcodes, stamping them onto a PDF and then reading them after they have been flattened onto the document. Watch the demo here or read the blog here.
npm install
npm start
This app features jsbarcode for generation and javascript-barcode-reader for reading of the 2D barcodes and jsqr for generation and qrcode for reading of the QR codes.
See license.