Dart helper

resolver_json.dart

// handle null and handle deepest data json

T? resolve<T>({
  required Map<String, dynamic>? json,
  required String path,
  T? defaultValue,
}) {
  try {
    if (json == null) {
      return defaultValue;
    }
    dynamic current = json;
    path.split('.').forEach((segment) {
      final maybeInt = int.tryParse(segment);

      if (maybeInt != null && current is List<dynamic>) {
        current = current[maybeInt];
      } else if (current is Map<String, dynamic>) {
        current = current[segment];
      }
    });

    return (current as T?) ?? defaultValue;
  } catch (error) {
    return defaultValue;
  }
}

T? isNull<T>(
  dynamic value, {
  defaultValue = "-",
}) {
  try {
    if (value == null) {
      return defaultValue;
    }
    return (value as T?) ?? defaultValue;
  } catch (error) {
    return defaultValue;
  }
}