suggestions static method

Implementation

static List<String> suggestions(String name) {
  if (name.trim().isEmpty) return const [];

  final normalized = name.toLowerCase();
  final matches = <String>[];

  for (final command in commands) {
    final candidates = [command.name, ...command.aliases];
    if (candidates.any(
      (candidate) =>
          candidate.startsWith(normalized) ||
          normalized.startsWith(candidate) ||
          _distance(candidate, normalized) <= 2,
    )) {
      matches.add(command.name);
    }
  }

  matches.sort();
  return matches.take(3).toList();
}