[Bug]: TypeError: Cannot read properties of undefined (reading 'input') about rspack HOT 4 CLOSED

const MiniCssExtractPlugin = require("mini-css-extract-plugin");

// webpack.config.js
module.exports = {
  entry: path.resolve(__dirname, "./index.js"),
  module: {
    rules: [{
      test: /\.css$/,
      use: [
       MiniCssExtractPlugin.loader,
       "css-loader",
      {
        loader: "postcss-loader",
        options: {
          postcssOptions: {
            plugins: [{
                postcssPlugin: 'tailwind-auto-import',
                prepare() {
                  return {
                    Once: (root, {
                      AtRule
                    }) => {
                      const tailwindBase = new AtRule({
                        name: 'tailwind',
                        params: 'base',
                      });
                      root.prepend(tailwindBase);
                    }
                  }
                }
              },
              require('tailwindcss')
            ]
          }
        }
      }]
    }],
  },
  plugins: [new MiniCssExtractPlugin()]
}

// index.js
// nothing

// loader.js
class Node {
  toJSON() {
    throw Error('unreachable in webpack but it really did in rspack')
  }
}

function loader(content, sourceMap) {
  const nodes = [new Node()];
  const callback = this.async();
  callback(null, content, sourceMap, {
    nodes
  })
}

module.exports = loader

// rspack.config.js
module.exports = {
  entry: "./index.js",
  module: {
    rules: [
      {
        test: /index\.js/,
        use: [
          {
            loader: "./loader.js",
          }
        ]
      }
    ]
  },
}