Function extractDirName

packages/shared/project.ts:46–60

(path: string)

 * Extract directory name from a path
 */
export function extractDirName(path: string): string | null {
  if (!path || typeof path !== "string") return null;

  const trimmed = path.trim().replace(/\/+$/, "");
  if (trimmed === "" || trimmed === "/") return null;

  const parts = trimmed.split("/");
  const name = parts[parts.length - 1];

  // Skip generic names
  const skipNames = new Set(["home", "users", "user", "root", "tmp", "var"]);
  if (skipNames.has(name.toLowerCase())) return null;

  return sanitizeTag(name);
}

/**
 * Extract hostname from a URL string, or return the original string on failure.