webpack.config.babel.js

import path from 'path';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import webpack from 'webpack';
import ExtractTextPlugin from 'extract-text-webpack-plugin';

export default () => ({
    entry: [
        'webpack-dev-server/client?http://localhost:8080', // webpack dev server host and port
        path.join(__dirname, 'src/index.jsx'), // entry point of app
    ],
    output: {
        path: path.join(__dirname + '/dist'),
        filename: 'bundle.js',
    },
    plugins: [
        new HtmlWebpackPlugin({
           filename: 'index.html',
           template: './src/index.html'
        }),
        // Necessary b/c golden-layout depends on all 3 of these libs via UMD globals
        new webpack.ProvidePlugin({
            React: 'react',
            ReactDOM: 'react-dom',
            $: 'jquery',
            jQuery: 'jquery'
        })
    ],
    module: {
        rules: [{
            test: /\.jsx?$/,
            exclude: /node_modules/,
            include: path.join(__dirname, 'src'),
            use: [{
                loader: 'babel-loader',
                options: {
                    babelrc: false, // Tells webpack not to use the .babelrc file
                    presets: [
                        ['babel-preset-env', { 
                            "targets": { "firefox": 52, "chrome": 55 },
                            "modules": false,
                            "loose": true
                        }],
                        'react' // Transform JSX into React.createElement calls
                    ]
                }
            }]
        },
            {
                test: /\.(ttf|otf|eot|svg|woff(2)?)(\?[a-z0-9]+)?$/,
                loader: 'file-loader?name=fonts/[name].[ext]'
            },
            {
                test: /\.styl$/i,
                exclude: /node_modules/,
                use: ['style-loader','css-loader','stylus-loader']
            },
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    fallback: 'style-loader',
                    use: [
                        {
                            loader: 'css-loader',
                            options : { autoprefixer: false, sourceMap: true, importLoaders: 1 }
                        },
                        'postcss-loader'
                    ]
                })
            },
        ]
    },
    resolve: {
        extensions: ['.js', '.jsx']
    },
    devtool: 'source-map'
});