webpack.config.js

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

module.exports = {
  entry: './src/index.tsx',
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'bundle.js',
  },
  devtool: 'inline-source-map',
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.(ts|tsx)$/,
        exclude: /node_modules/,
        use: 'ts-loader',
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader',
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/index.html',
      filename: 'index.html',
    }),
    new Dotenv(),
  ],
  resolve: {
    extensions: ['.js', '.jsx', '.ts', '.tsx'],
    fallback: {
      timers: require.resolve('timers-browserify'),
      stream: require.resolve('stream-browserify'),
      buffer: require.resolve('buffer/'),
    },
  },
};