Function canCreateSymlinks

test/helpers/symlink.js:41–52

()

let _cachedSymlink;

function canCreateSymlinks() {
  if (_cachedSymlink !== undefined) return _cachedSymlink;
  const probe = path.join(os.tmpdir(), `evolver-symlink-probe-${process.pid}-${Date.now()}`);
  try {
    fs.symlinkSync('target-need-not-exist', probe);
    try { fs.unlinkSync(probe); } catch { /* best-effort cleanup */ }
    _cachedSymlink = true;
  } catch {
    _cachedSymlink = false;
  }
  return _cachedSymlink;
}

// Companion probe: `canMakeDirReadOnly()` returns true only when
// `fs.chmodSync(dir, 0o555)` actually prevents the process from