This setup uses rollup.js as the module bundler and does not transpile ES6+ code. One of the big benefits of rollup – as of the time of writing this – is the so called tree-shaking.
Have fun! ✌️
# install dependencies
npm install
# build for development
npm run build
# build for production
npm run build:prod
# watches the javascript files for changes and builds them automatically
npm run watch
# tests if the javascript files would build without errors
npm run test