webpack.config.js

const path = require('path');
const HTMLWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');

module.exports = {
    devtool: 'inline-source-map',
    entry: './src/app.js',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'app.js'
    },
    module: {
        rules: [
            {
                test: /\.(svg|eot|ttf|woff)$/,
                loader: "url-loader"
            },
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    fallback: 'style-loader',
                    use: 'css-loader'
                })
            },
            {
                test: /\.scss$/,
                use: ExtractTextPlugin.extract([ 'css-loader', 'sass-loader' ])
            },
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['babel-preset-es2015']
                    }
                }
            }
        ]
    },
    plugins: [
        new ExtractTextPlugin('styles.css'),
        new HTMLWebpackPlugin({
            template: 'src/index.html'
        })
    ],
    resolve: {
        extensions: ['.js'],
        modules: ['./node_modules']
    },
};