webpack.config.js

const path = require('path');
const webpack = require('webpack');

module.exports = {
  entry: './src/index.tsx',
  mode: 'development',
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /(node_modules|bower_components)/,
        loader: 'babel-loader',
        options: { presets: ['@babel/env'] },
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.less$/,
        exclude: /\.module\.less$/,
        use: ['style-loader', 'css-loader', 'less-loader'],
      },
      {
        test: /\.module\.less$/,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              modules: {
                localIdentName: '[path][name]__[local]--[hash:base64:5]',
              },
            },
          },
          'less-loader',
        ],
      },
    ],
  },
  resolve: {
    extensions: ['*', '.js', '.jsx', '.ts', '.tsx'],
    modules: ['node_modules'],
  },
  output: {
    path: path.resolve(__dirname, 'dist/'),
    publicPath: '/dist/',
    filename: 'bundle.js',
  },
  devServer: {
    contentBase: path.join(__dirname, 'public/'),
    open: true,
    port: 3000,
    publicPath: 'http://localhost:3000/',
  },
  plugins: [new webpack.HotModuleReplacementPlugin()],
};