import { rspack } from "@rspack/core";
import { Volume, createFsFromVolume } from "memfs";
  const files = {
    "/index.tsx": `
    import React from 'react';
    import ReactDOM from 'react-dom';
    ReactDOM.render(<div></div> , document.getElementById("root"));`,
  };
  const val = Volume.fromJSON(files);
  const fs = createFsFromVolume(val);
  const compiler = rspack({
    mode: "production",
    entry: "/index.tsx",
    output: {
      filename: "/ouput.js",
    }
  });
  compiler.inputFileSystem = fs;
  compiler.intermediateFileSystem = fs;
  //@ts-ignore
  compiler.outputFileSystem = fs;

  compiler.run((err, result) => {
    const files = val.toJSON();
    console.log(err, result, files);
  });