export const PROXY_ENV_KEYS = [
  "HTTP_PROXY",
  "HTTPS_PROXY",
  "ALL_PROXY",
  "http_proxy",
  "https_proxy",
  "all_proxy",
] as const;

export function hasProxyEnvConfigured(env: NodeJS.ProcessEnv = process.env): boolean {
  for (const key of PROXY_ENV_KEYS) {
    const value = env[key];
    if (typeof value === "string" && value.trim().length > 0) {
      return true;
    }
  }
  return false;
}