webpack.config.js

var path = require('path');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  devtool: 'source-map',
  entry: './src/bootstrap',
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'app.js'
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './src/index.html'
    }),
    new CopyWebpackPlugin({
      patterns: [
        'resources/*'
      ],
    }),
  ],
  resolve: {
    modules: ['src', 'node_modules'],
    extensions: ['.ts', '.tsx', '.js', '.css'],
    modules: [
      'node_modules'
    ],
    alias: {
      "react": "preact/compat",
      "react-dom/test-utils": "preact/test-utils",
      "react-dom": "preact/compat",
    },
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        exclude: /node_modules/,
        loaders: ['ts-loader']
      },
      {
        test: /\.css$/i,
        exclude: /node_modules/,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              importLoaders: 1,
              modules: {
                auto: true
              }
            },
          },
          'postcss-loader'
        ],
        include: /\.module\.css$/
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader'
        ],
        exclude: /\.module\.css$/
      },
    ],
  },
  devServer: {
    contentBase: path.resolve(__dirname, 'build'),
    compress: true,
    port: 9000,
    historyApiFallback: {
      index: 'index.html'
    }
  }
}