webpack.prod.js

const path = require('path');
const webpack = require('webpack');
const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const WorkboxPlugin = require('workbox-webpack-plugin');
module.exports = {
    entry: './src/client/index.js',
    mode: 'production',
    output: {
        libraryTarget: 'var',
        library: 'Client'
    },
    module: {
        rules: [
            {
                test: '/\.js$/',
                exclude: /node_modules/,
                loader: "babel-loader"
            }
            ,{
                test: /\.scss$/,
                use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader']
            },
        ]
    },
    plugins: [
        new HtmlWebPackPlugin({
            template: "./src/client/html/views/index.html",
            filename: "./index.html",
        }),
        new MiniCssExtractPlugin({ filename: '[name].css' }),
        new WorkboxPlugin.GenerateSW()
    ]
}