Method const_iterator

napi-inl.h:1904–1909

#ifdef NODE_ADDON_API_CPP_EXCEPTIONS
inline Object::const_iterator::const_iterator(const Object* object,
                                              const Type type) {
  _object = object;
  _keys = object->GetPropertyNames();
  _index = type == Type::BEGIN ? 0 : _keys.Length();
}

inline Object::const_iterator Napi::Object::begin() const {
  const_iterator it(this, Object::const_iterator::Type::BEGIN);