import { cpSync, existsSync, mkdirSync, rmSync } from "node:fs";import { dirname, join } from "node:path";import { createRequire } from "node:module"; const root = process.cwd();const out = join(root, ".selfhost-runtime");const serverOut = join(out, "apps/host-selfhost/dist-server");const requireFromSelfHost = createRequire(join(root, "apps/host-selfhost/package.json")); const externalPackages = [  "quickjs-emscripten",  "quickjs-emscripten-core",  "@jitl/quickjs-ffi-types",  "@jitl/quickjs-wasmfile-release-sync",  "@jitl/quickjs-wasmfile-debug-sync",  "@jitl/quickjs-wasmfile-release-asyncify",  "@jitl/quickjs-wasmfile-debug-asyncify",  "@libsql/linux-x64-gnu",] as const; const quickJsExternals = externalPackages.filter(  (name) => name === "quickjs-emscripten" || name.startsWith("@jitl/"),); const packageDir = (name: string): string => {  const packageJson = requireFromSelfHost.resolve(`${name}/package.json`, {    paths: [join(root, "node_modules/.bun/node_modules")],  });  return dirname(packageJson);}; const copyPackage = (name: string): void => {  const destination = join(out, "node_modules", name);  mkdirSync(dirname(destination), { recursive: true });  cpSync(packageDir(name), destination, { recursive: true, dereference: true });}; rmSync(out, { recursive: true, force: true });mkdirSync(serverOut, { recursive: true }); await Bun.$`bun build apps/host-selfhost/src/serve.ts --target=bun --format=esm --outdir=${serverOut} ${quickJsExternals.map((name) => `--external=${name}`)}`; for (const name of externalPackages) copyPackage(name); if (!existsSync(join(serverOut, "serve.js"))) {  throw new Error(    "Expected bundled self-host server at .selfhost-runtime/apps/host-selfhost/dist-server/serve.js",  );} console.log(`Packaged self-host runtime into ${out}`);