webpack.config.js

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

const config = {
  entry: path.resolve(__dirname, 'src/index.tsx'),
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'bundle.js',
  },
  plugins: [
    new HtmlWebpackPlugin({
      favicon: path.resolve(__dirname, 'src/assets/logo.svg'),
      inject: true,
      template: path.resolve(__dirname, 'src/index.html'),
    }),
  ],
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        options: {
          presets: ['@babel/preset-env', '@babel/preset-react'],
        },
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.s[ac]ss$/i,
        use: [
          'style-loader',
          'css-loader',
          'sass-loader',
        ],
      }
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  devServer: {
    static: path.join(__dirname, 'src'),
    compress: true,
    port: 3000,
    hot: true,
  },
  devtool: 'source-map',
};

module.exports = config;