users/lookup with dart_twitter_api

twitter_user_lookup.dart

Future<List<User>> twitterLookup({
  required TwitterApi twitter,
  List<String>? screenNames,
  List<String>? userIds,
}) async {
  var params = <String, String>{};
  if (screenNames != null) {
    params['screen_name'] = screenNames.join(",");
  }
  if (userIds != null) {
    params['user_id'] = userIds.join(",");
  }

  try {
    final response = await twitter.client.get(
      Uri.https('api.twitter.com', '1.1/users/lookup.json', params),
    );
    final List<dynamic> results = json.decode(response.body);
    return results.map((e) => User.fromJson(e)).toList();
  } catch (e) {
    if (e is Response) {
      throw Exception(e.body);
    } else {
      rethrow;
    }
  }
}