@reliverse/rse/bin/libs/sdk/providers/better-t-stack/utils/get-package-manager.js

@reliverse/rse is your all-in-one companion for bootstrapping and improving any kind of projects (especially web apps built with frameworks like Next.js) — whether you're kicking off something new or upgrading an existing app. It is also a little AI-power

export const getUserPkgManager = () => {
  const userAgent = process.env.npm_config_user_agent;
  if (userAgent?.startsWith("pnpm")) {
    return "pnpm";
  }
  if (userAgent?.startsWith("bun")) {
    return "bun";
  }
  return "npm";
};