leave method

Future<void> leave(String roomId)

Implementation

Future<void> leave(String roomId) async {
  _joined.remove(roomId);
  if (!core.conn.authenticated) return;
  try {
    await core.conn.request<Object?>('chatroom.leave', {'room_id': roomId});
  } catch (_) {
    // 离开失败：服务端在连接断开后自行判定离开
  }
}