ui/lib/api-utils.ts

export function getApiUrl() {
  if (typeof window !== 'undefined') return ''; // browser should use relative url
  if (process.env['BACKEND_URL'])
    return `https://${process.env['BACKEND_URL']}`; // SSR should use vercel url
  return `http://localhost:${process.env['PORT'] ?? 3000}`; // dev SSR should use localhost
}