webpack.config.js

// ----
// NOTE: only used for preview with webpack-dev-server
// ----

const path = require('path')
const HtmlWebPackPlugin = require('html-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')

/** @type {import('webpack').Configuration} */
module.exports = {
  entry: {
    preview: './preview/preview.tsx',
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'tmp'),
  },
  mode: 'development',
  module: {
    rules: [
      {
        test: /.(j|t)sx?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader',
            options: { minimize: false },
          },
        ],
      },
      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
    ],
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: './preview/index.html',
      filename: './index.html',
    }),
    new MiniCssExtractPlugin(),
  ],
  resolve: {
    extensions: ['.js', '.jsx', '.ts', '.tsx'],
  },
  devtool: 'source-map',
  devServer: {
    static: {
      directory: path.resolve(__dirname, 'tmp'),
    },
    open: true,
  },
}