valueEnsureAsList<T> static method

Implementation

static List<T> valueEnsureAsList<T>(Object? value) {
  if (value is List<T>) return value;
  try {
    final valueList = value as List;
    if (!_isDynamic<T>()) {
      if (_isMap<T>()) {
        return valueList
            .map((e) {
              if (e is T) return e;
              return Map.from(e);
            })
            .toList()
            .cast<T>();
      }
      if (_isMapStringDynamic<T>()) {
        return valueList
            .map((e) {
              if (e is T) return e;
              return Map<String, dynamic>.from(e);
            })
            .toList()
            .cast<T>();
      }
      if (_isMapStringString<T>()) {
        return valueList
            .map((e) {
              if (e is T) return e;
              return Map<String, String>.from(e);
            })
            .toList()
            .cast<T>();
      }
    }
    return List<T>.from(value);
  } catch (_) {
    throw JSONHelperException("Failed to parse object as list<$T>");
  }
}