has method

bool has(
  1. dynamic keys
)

Implementation

bool has(dynamic keys) {
  if (keys is String) {
    String? val = _all[keys];
    if (val == null) {
      return false;
    }
    return val.toString().isNotEmpty ? true : false;
  }

  if (keys is List<String>) {
    bool hasKey = true;
    for (String key in keys) {
      if (_all[key] == null) {
        hasKey = false;
      }
    }
    return hasKey;
  }

  return (_all[keys] != null && _all[keys].toString().isNotEmpty);
}