How to Build Web Barcode Apps with React and WebAssembly
A Simple Web Barcode Reader
Create a new react app:
npx create-react-app react-wasm-barcode
If you do not have a valid license, you can register a Dynamsoft account and get a 30-day free trial license. To make the barcode reader globally accessible, assign the object to window.reader.
Create a barcode component in Barcode.js:
Use the Input element to load an image and write barcode detection code in the onChanged() function.
Import the barcode component to App.js:
Run the app:
Open localhost:3000 in your web browser to run the demo:
Originally published at www.codepool.biz on January 16, 2019.