Yes, for getting the compiled JS you just got to:
git clone https://github.com/OpenVidu/openvidu.git
cd openvidu/openvidu-browser
npm install
npm run build
VERSION=2.17.0-beta npm run browserify
VERSION=2.17.0-beta npm run browserify-prod
You will get at folder openvidu-browser/static/js/ the compiled js files.