webpack.config.js

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

const config = {
  mode: process.env.MODE || 'development'
}

module.exports = {
  entry: './src/index.ts',
  mode: config.mode,
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: [
          { loader: 'style-loader', options: { injectType: 'lazyStyleTag' } },
          'css-loader'
        ],
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
    extensions: ['.tsx', '.ts', '.js'],
  },
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  plugins: [
    new HtmlWebpackPlugin({
      title: 'Application',
      template: './template.html',
      meta: {
        viewport: 'width=device-width, initial-scale=1, shrink-to-fit=no'
      }
    }),
    new CopyPlugin({
      patterns: [
        { from: 'static/', to: './' },
      ],
    }),
    new webpack.DefinePlugin({
      'globalThis.CONFIG': JSON.stringify(config)
    })
  ]
};