Function updatePackageJson

scripts/experimental.ts:150–160

(
  packageDirName: string,
  transform: (pkg: Record<string, unknown>) => void,
)

}

function updatePackageJson(
  packageDirName: string,
  transform: (pkg: Record<string, unknown>) => void,
): string | undefined {
  let file = path.join(rootDir, "packages", packageDirName, "package.json");
  let pkg = readPackageJson(packageDirName);
  transform(pkg);
  fs.writeFileSync(file, JSON.stringify(pkg, null, 2) + "\n");
  let name = pkg["name"];
  return typeof name === "string" ? name : undefined;
}