Building a bundle of optimized D3 4.0 bundles à la https://bl.ocks.org/mbostock/bb09af4c39c79cffcde4
npm insall webpack -g
npm install webpack-dev-server -g
npm install
webpack --progress --colors --watch
to watch changeswebpack-dev-server --progress --colors
server that live-updates to changes- go to (http://localhost:8080/webpack-dev-server/bundle)[http://localhost:8080/webpack-dev-server/bundle] to see app