webpack.config.js

// eslint-disable-next-line @typescript-eslint/no-var-requires
const path = require('path');
// eslint-disable-next-line @typescript-eslint/no-var-requires
const webpack = require('webpack');
// eslint-disable-next-line @typescript-eslint/no-var-requires
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: './src/index.tsx',
  mode: 'development',
  module: {
    rules: [
      {
        test: /\.(js|jsx|ts|tsx)$/,
        exclude: /(node_modules|bower_components)/,
        loader: 'babel-loader',
        options: { presets: ['@babel/env'] },
      },
      {
        test: /\.css$/,
        use: [
          { loader: 'style-loader' },
          { loader: 'css-loader', options: { modules: true } },
        ],
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
          },
          {
            loader: 'less-loader',
            options: {
              lessOptions: { javascriptEnabled: true },
            },
          },
        ],
      },
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [{ loader: 'file-loader' }],
      },
    ],
  },
  resolve: { extensions: ['*', '.js', '.jsx', '.ts', '.tsx'] },
  output: {
    path: path.resolve(__dirname, 'dist/'),
    publicPath: '/',
    filename: 'bundle.js',
  },
  devServer: {
    contentBase: path.join(__dirname, 'public/'),
    port: 3000,
    historyApiFallback: true,
    open: true,
    hotOnly: true,
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new HtmlWebpackPlugin({
      template: 'public/index.html',
      favicon: 'public/favicon.png',
    }),
    new webpack.optimize.ModuleConcatenationPlugin(),
    new webpack.ContextReplacementPlugin(/.*$/, /a^/),
  ],
};