webpack.prod.js

const path = require('path');

const FaviconsWebpackPlugin = require('favicons-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin'); //installed via npm
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const WriteFilePlugin = require('write-file-webpack-plugin');

const buildPath = path.resolve(__dirname, 'dist');

module.exports = {
    devtool: 'source-map',
    // entry: ['babel-polyfill', './src/index.js'],
    entry: ['@babel/polyfill', './src/index.js'],
    output: {
        filename: '[name].[hash:20].js',
        path: buildPath
    },
    node: {
        fs: 'empty'
    },
    module: {
        rules: [
            {
                test: /\.(js|.rtr)$/, // /\.js$/,
                exclude: /node_modules/,
                // loader: 'babel-loader',
                //
                // options: {
                //     presets: ['env'],
                //     plugins: [
                //         'transform-decorators-legacy',
                //         'transform-class-properties',
                //         'babel-plugin-transform-object-rest-spread'
                //     ]
                // }
                loader: 'babel-loader',
                options: {
                    presets: ['@babel/env', '@babel/preset-react'],
                    plugins: [
                        ['@babel/plugin-proposal-decorators', {legacy: true}],
                        ['@babel/plugin-proposal-class-properties', {loose: true}],
                        '@babel/plugin-proposal-object-rest-spread'
                    ]
                }
            }, {
                test: /\.(scss|css|sass)$/,
                use: ExtractTextPlugin.extract({
                    use: [
                        {
                            // translates CSS into CommonJS
                            loader: 'css-loader',
                            options: {
                                sourceMap: true
                            }
                        },
                        {
                            // Runs compiled CSS through postcss for vendor prefixing
                            loader: 'postcss-loader',
                            options: {
                                sourceMap: true
                            }
                        },
                        {
                            // compiles Sass to CSS
                            loader: 'sass-loader',
                            options: {
                                outputStyle: 'expanded',
                                sourceMap: true,
                                sourceMapContents: true
                            }
                        }
                    ],
                    fallback: 'style-loader'
                }),
            }, {
                test: /\.(txt|rtr|retrace)$/i,
                use: 'raw-loader',
            }, {
                test: /\.(glsl|vs|fs|vert|frag)$/,
                exclude: /node_modules/,
                use: [
                    'raw-loader',
                    'glslify-loader'
                ]
            }, {
                // Load all images as base64 encoding if they are smaller than 8192 bytes
                test: /\.(png|jpg|gif)$/,
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            name: '[name].[hash:20].[ext]',
                            limit: 8192
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './index.html',
            // Inject the js bundle at the end of the body of the given template
            inject: 'body',
        }),
        new CleanWebpackPlugin(buildPath),
        // new FaviconsWebpackPlugin({
        //     // Your source logo
        //     logo: './src/assets/icon.png',
        //     // The prefix for all image files (might be a folder or a name)
        //     prefix: 'icons-[hash]/',
        //     // Generate a cache file with control hashes and
        //     // don't rebuild the favicons until those hashes change
        //     persistentCache: true,
        //     // Inject the html into the html-webpack-plugin
        //     inject: true,
        //     // favicon background color (see https://github.com/haydenbleasel/favicons#usage)
        //     background: '#fff',
        //     // favicon app title (see https://github.com/haydenbleasel/favicons#usage)
        //     title: 'glsl-raytracer',
        //
        //     // which icons should be generated (see https://github.com/haydenbleasel/favicons#usage)
        //     icons: {
        //         android: true,
        //         appleIcon: true,
        //         appleStartup: true,
        //         coast: false,
        //         favicons: true,
        //         firefox: true,
        //         opengraph: false,
        //         twitter: false,
        //         yandex: false,
        //         windows: false
        //     }
        // }),
        new ExtractTextPlugin('styles.[md5:contenthash:hex:20].css', {
            allChunks: true
        }),
        new OptimizeCssAssetsPlugin({
            cssProcessor: require('cssnano'),
            cssProcessorOptions: {
                map: {
                    inline: false,
                },
                discardComments: {
                    removeAll: true
                }
            },
            canPrint: true
        }),
        new WriteFilePlugin(),
        new CopyWebpackPlugin([{
            from: './src/assets/',
            to: 'assets'
        }])
    ]
};