webpack.prod.js

const path = require('path');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const TerserPlugin = require('terser-webpack-plugin');

module.exports = {
  mode: 'production',
  entry: './src/index.ts',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/'
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js'],
    alias: {
      '@actions': path.resolve(__dirname, 'src/actions/'),
      '@models': path.resolve(__dirname, 'src/models/'),
      '@localtypes': path.resolve(__dirname, 'src/types/'),
      '@parsers': path.resolve(__dirname, 'src/parsers/'),
      '@utils': path.resolve(__dirname, 'src/utils/'),
    }
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader']
      }
    ]
  },
  optimization: {
    minimize: true,
    minimizer: [new TerserPlugin()]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new CopyWebpackPlugin({
      patterns: [
        { from: 'public', to: '' }
      ]
    }),
    new MiniCssExtractPlugin({
      filename: '[name].[contenthash].css'
    })
  ]
};