Function isWritablePath

examples/pdf-server/server.ts:138–149

(resolved: string)

 * With no directory roots and no CLI files, nothing is writable.
 */
export function isWritablePath(resolved: string): boolean {
  if (cliLocalFiles.has(resolved)) return true;
  // MCP file root → always read-only, regardless of ancestry
  if (allowedLocalFiles.has(resolved)) return false;
  return [...allowedLocalDirs].some((dir) => {
    if (!isAncestorDir(dir, resolved)) return false;
    if (!writeFlags.allowUploadsRoot && path.basename(dir) === "uploads") {
      return false;
    }
    return true;
  });
}

// Works both from source (server.ts) and compiled (dist/server.js)
const DIST_DIR = import.meta.filename.endsWith(".ts")