webpack.config.js

const path = require('path')

const HtmlWebpackPlugin = require('html-webpack-plugin')
const ScriptExtHtmlWebpackPlugin = require('script-ext-html-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const TerserPlugin = require('terser-webpack-plugin')

/** @type {import('webpack').Configuration} */
const config = {
  mode: 'development',
  entry: {
    bundle: './src/client/main.ts',
  },
  output: {
    path: path.resolve(__dirname, 'public'),
    filename: '[name].js',
  },
  resolve: {
    extensions: ['.ts', '.js', '.scss'],
    alias: {
      '@': path.join(__dirname, 'src'),
    },
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: ['babel-loader', 'ts-loader'],
        exclude: /node_modules/,
      },
      {
        test: /\.scss$/,
        use: [
          MiniCssExtractPlugin.loader,
          'css-loader',
          'postcss-loader',
          'sass-loader',
        ],
        exclude: /node_modules/,
      },
    ],
  },
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        test: /\.(j|t)s(\?.*)?$/i,
      }),
    ],
  },
  plugins: [
    new MiniCssExtractPlugin(),
    new HtmlWebpackPlugin({ template: 'src/client/pages/index.html' }),
    new ScriptExtHtmlWebpackPlugin({
      defaultAttribute: 'async',
    }),
  ],
}

module.exports = config