webpack.config.js

const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ESLintPlugin = require('eslint-webpack-plugin');

let mode = 'development';
let devMode = true;

if (process.env.NODE_ENV === 'production') {
  mode = 'production';
  devMode = false;
}

module.exports = {
  mode,
  entry: './src/index.tsx',
  devtool: devMode ? 'source-map' : false,

  output: {
    path: path.resolve(__dirname, './dist'),
    filename: '[name].js',
    assetModuleFilename: 'assets/[hash][ext][query]',
    clean: true,
  },

  devServer: {
    hot: true,
    open: true,
    static: {
      directory: path.join(__dirname, './dist'),
    },
  },

  watchOptions: {
    poll: true,
    ignored: /node_modules/
  },


  module: {
    rules: [
      {
        test: /\.(html)$/,
        use: ['html-loader'],
      },
      {
        test: /\.(png|jpe?g|gif|svg|webp|ico|jpg)$/i,
        type: mode === 'production' ? 'asset' : 'asset/resource',
      },
      {
        test: /\.(woff2?|eot|ttf|otf)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.(sass|scss|css)$/,
        use: [
          devMode ? 'style-loader' : MiniCssExtractPlugin.loader,
          'css-loader',
          'sass-loader',
        ],
      },
      {
        test: /\.ts(x?)$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
    ],
  },

  resolve: {
    extensions: ['.js', '.ts', '.tsx', '.jsx'],
    alias: {
      Src: path.resolve(__dirname, 'src/'),
    },
  },

  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
    new MiniCssExtractPlugin({
      filename: '[name].css',
    }),
    new ESLintPlugin(),
  ],
};