webpack.config.js

var webpack = require('webpack');module.exports = { entry: ['./app/index.js', 'webpack/hot/dev-server','webpack-dev-server/client?http://localhost:9999/'], // entry: ['./app/index.js'], output: { path: __dirname, filename: 'bundle.js' }, module: { loaders: [ { test: /.jsx?$/, loader: 'babel', query: { presets: ['react', 'es2015'] } }, { test: /.css$/, loader: 'style-loader!css-loader' }, {test: /.scss$/, loader: "style!css!sass"}, // { test: /.js$/, loader: 'babel loader?harmony' }, // { test: /.scss?$/, exclude: /node_modules/, loader: ["style","css!sass"]}, // { test: /.scss$/, loader: 'style!css!sass?sourceMap'}, { test: /.(png|jpg)$/, loader: 'url-loader?limit=50000'} ] }, plugins: [ new webpack.optimize.UglifyJsPlugin({ compress: { warnings: false } }), new webpack.DefinePlugin({ 'process.env':{ 'NODE_ENV': JSON.stringify('production') } }), new webpack.HotModuleReplacementPlugin() ]}