webpack.common.js

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

module.exports = {
    entry: __dirname + "/src/index.ts",
    output: {
        path: __dirname + "/build/",
    },
    plugins: [
        new HtmlWebpackPlugin({
            inject: true,
            template: __dirname + "/public/index.html",
            minify: {
                removeComments: true,
                collapseWhitespace: true,
                removeRedundantAttributes: true,
                useShortDoctype: true,
                removeEmptyAttributes: true,
                removeStyleLinkTypeAttributes: true,
                keepClosingSlash: true,
                minifyJS: true,
                minifyCSS: true,
                minifyURLs: true,
            },
        })
    ],
    module: {
        rules: [
            {
                test: /\.scss$/,
                use: [
                    "style-loader",
                    "css-loader",
                    "sass-loader"
                ]
            }
        ]
    }
}