let webpack = require('webpack'); let WebpackDevServer = require('webpack-dev-server'); let config = require('./webpack.config.dev'); let opn = require('opn'); new WebpackDevServer(webpack(config), { publicPath: config.output.publicPath, historyApiFallback: true, quiet: true, // lets WebpackDashboard do its thing }).listen(3001, 'localhost', (err, result) => { if (err) console.log(err); opn('http://localhost:3001'); console.log('Listening at localhost:3001'); });