webpack.config.js

const path = require('path');

const SRC_DIR = path.join(__dirname, '/client/src');
const DIST_DIR = path.join(__dirname, '/client/dist/js');

module.exports = {
  entry: `${SRC_DIR}/index.tsx`,
  output: {
    path: DIST_DIR,
    filename: 'bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx|tsx)$/,
        exclude: /node_modules/,
        use: 'ts-loader',
      },
      {
        test: /\.css$/i,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              importLoaders: 1,
              modules: {
                localIdentName: '[name]__[local]--[hash:base64:5]',
              },
            },
          },
        ],
      },
      {
        test: /\.(gif|png|jpe?g|svg)$/i,
        use: [
          'file-loader',
          {
            loader: 'image-webpack-loader',
            options: {
              bypassOnDebug: true, // webpack@1.x
              disable: true, // webpack@2.x and newer
            },
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: ['*', '.js', '.jsx', 'ts', '.tsx'],
  },
};