webpack.config.js

const webpack = require( 'webpack' )
const ExtractTextPlugin = require( 'extract-text-webpack-plugin' )
    module.exports = {
        entry: './src/index.jsx',
        output: {
            path: __dirname + '/public',
            filename: './app.js'
        },
        devServer: {
            port: 8080,
            contentBase: './public'
        },
    resolve: {
        extensions: [ '.js', '.jsx' ]
    },
    plugins: [
        new ExtractTextPlugin( 'app.css' )
    ],
    module: {
    loaders: [
        {
            test: /.js[x]?$/,
            loader: 'babel-loader',
            exclude: '/node_modules/',
            query: {
                presets: [ 'es2015', 'react' ],
                plugins: [ 'transform-object-rest-spread' ]
            }
        },
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    fallback: "style-loader",
                    use: "css-loader"
                })
            },
        {
            test: /\.woff|.woff2|.ttf|.eot|.svg*.*$/,
            loader: 'file-loader'
        }
    ]
 }
}