Function extractPortFromURL

actions/setup/js/codex_harness.cjs:263–272

* Extract numeric port from a URL string. * @param {string} urlString * @returns {number|null}

(urlString)

 * @returns {number|null}
 */
function extractPortFromURL(urlString) {
  if (!urlString || typeof urlString !== "string") return null;
  try {
    const parsed = new URL(urlString);
    if (!parsed.port) return null;
    return Number(parsed.port);
  } catch {
    return null;
  }
}

/**
 * Read Codex openai-proxy base_url from config.toml content.