webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
    entry: ['babel-polyfill', './src/js/index.js'],
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'js/bundle.js'
    },
    devServer: {
        contentBase: './dist'
    },
    plugins: [
        new HtmlWebpackPlugin({
            filename: 'index.html',
            template: './src/index.html'
        })
    ],
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader'
                }
            },
            {
                test: /\.css$/i,
                use: ['style-loader', 'css-loader'],
            },
        ],
        // loaders: [
        //     {
        //       test: /\.json$/,
        //       loader: 'json-loader'
        //     }
        // ],
    }
};