webpack.prod.js

const path = require('path');
const webpack = require('webpack');
const HtmlWebPackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const WorkboxPlugin = require('workbox-webpack-plugin');

module.exports = {
    entry: './src/client/index.js',
    output: {
        libraryTarget: 'var',
        library: 'Client',
        path: path.resolve(__dirname, 'dist'),
        filename: 'bundle.min.js'
    },
    mode: 'production',
    module: {
        rules: [{
                test: '/\.js$/',
                exclude: /node_modules/,
                loader: "babel-loader"
            },
            {
                test: /\.scss$/,
                use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader']
            },
            {
                test: /\.(jpg|png|svg|jpg|gif)$/,
                loader: 'file-loader'
            },
        ]
    },
    plugins: [
        new HtmlWebPackPlugin({
            template: "./src/client/views/index.html",
            filename: "./index.html",
        }),
        new HtmlWebPackPlugin({
            template: './src/client/views/saved-trips.html',
            filename: './saved-trips.html',
        }),
        new CleanWebpackPlugin({
            // Simulate the removal of files
            dry: true,
            // Write Logs to Console
            verbose: true,
            // Automatically remove all unused webpack assets on rebuild
            cleanStaleWebpackAssets: true,
            protectWebpackAssets: false
        }),
        new MiniCssExtractPlugin(),
        new WorkboxPlugin.GenerateSW({
            clientsClaim: true,
            skipWaiting: true
        })
    ]
}