This is an old revision of the document!
sudo apt install npm nodejs-legacy
npm install asar ./node_modules/asar/bin/asar.js e app.asar ./app.asar.extr
npm install standard --save-dev ./node_modules/standard/bin/cmd.js --fix "./app.asar.extr/**/*.js"
The output is some interesting files which can help in understanding communication to DJI equipment.