webpack.config.js

const HtmlWebpackInlineSourcePlugin = require('html-webpack-inline-source-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const path = require('path');

module.exports = (env, argv) => ({
    mode: argv.mode === 'production' ? 'production' : 'development',

    devtool: argv.mode === 'production' ? false : 'inline-source-map',

    entry: {
        ui: './src/ui.ts',
        code: './src/code.ts'
    },

    module: {
        rules: [
            { test: /\.tsx?$/, use: 'ts-loader', exclude: /node_modules/ },
            { test: /\.css$/, use: ['style-loader', { loader: 'css-loader' }] },
        ]
    },

    resolve: {
        extensions: [ '.tsx', '.ts', '.js' ]
    },

    output: {
        filename: '[name].js',
        path: path.resolve(__dirname, 'dist'),
        publicPath: '/',
    },

    optimization: {
        minimize: true,
        minimizer: [
            new TerserPlugin({
                terserOptions: {
                    format: {
                        comments: false,
                    },
                },
                extractComments: false,
            })
        ],
    },

    plugins: [
        new HtmlWebpackPlugin({
            template: './src/ui.html',
            filename: 'ui.html',
            inlineSource: '.(js)$',
            chunks: ['ui'],
        }),
        new HtmlWebpackInlineSourcePlugin(HtmlWebpackPlugin),
    ],
});