This project is developed based on dbrjs 11.2.5000.
You can replace appid as your test account in project.config.json file. Then restart WeChat Developer Tools for the changes to take effect.
You can get your test account this way: WeChat Developer Tools => Login => Project => New Project => AppID => Test Account
Note that the license is located in the barcode-reader-sample/pages/test/index.js file, under the variable dbrLicense.
Currently you can only use an offline license.
In app.js, we put a function __noUseButToWorkaroundBabelError. Then we can use async in sub packages.