webpack.config.js

/**
 * Copyright © 2018 Nfourteen. All rights reserved.
 */

const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
    entry: './src/index.js',
    output: {
        path: path.resolve(__dirname, 'public'),
        filename: 'app.js'
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['env'],
                        plugins: ['transform-class-properties']
                    }
                }
            },
            {
                test: /\.css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    {
                        loader: 'css-loader',
                        options: {
                            importLoaders: 1,
                            sourceMap: true,
                        }
                    },
                    {
                        loader: 'postcss-loader',
                        options: {
                            plugins: [ require( 'autoprefixer' ) ]
                        }
                    },
                ],
            },
            {
                test: /\.(png|jpg|gif)$/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            name: '[name].[ext]',
                            outputPath: 'img/'
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        new MiniCssExtractPlugin({
            filename: 'app.css',
            chunkFilename: '[id].css'
        }),
        new HtmlWebpackPlugin({
            inject: false,
            hash: true,
            template: './src/index.html',
            filename: 'index.html'
        })
    ],
    stats: {
        colors: true
    },
    devtool: 'cheap-module-eval-source-map',
    devServer: {
        contentBase: path.resolve(__dirname, 'public'),
        open: true,
    }
};