webpack.config.js

const path = require('path')
const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const { CleanWebpackPlugin } = require('clean-webpack-plugin')
const TerserPlugin = require('terser-webpack-plugin')

const dev = process.env.NODE_ENV !== 'production'

module.exports = {
  context: path.resolve(__dirname, 'src'),
  mode: dev ? 'development' : 'production',
  stats: 'minimal',
  entry: './index.ts',
  output: {
    filename: dev ? '[name].[contenthash].js' : '[name].js',
    path: path.resolve(__dirname, 'dist'),
    clean: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './index.html',
    }),
    new CleanWebpackPlugin(),
    new MiniCssExtractPlugin({
      filename: dev ? '[name].[contenthash].css' : '[name].css',
    }),
  ],
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: [
          {
            loader: 'ts-loader',
            options: {
              configFile: path.resolve(__dirname, 'tsconfig.json'),
            },
          },
        ],
        exclude: /node_modules/,
      },
      {
        test: /\.s[ac]ss$/i,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader'],
      },
      {
        test: /\.(png|jpe?g|gif|svg)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: '[name].[ext]',
              outputPath: 'images',
            },
          },
        ],
      },
      {
        test: /\.hbs$/,
        loader: 'handlebars-loader',
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: ['.ts', '.js', '.json'],
  },
  optimization: {
    minimize: !dev,
    minimizer: [new CssMinimizerPlugin(), new TerserPlugin()],
  },
  devtool: 'source-map',
  devServer: {
    compress: true,
    port: 3000,
    historyApiFallback: true,
    hot: true,
  },
}