/********************************************************************* * NAN - Native Abstractions for Node.js * * Copyright (c) 2018 NAN contributors * * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md> ********************************************************************/ #ifndef NAN_DEFINE_OWN_PROPERTY_HELPER_H_ #define NAN_DEFINE_OWN_PROPERTY_HELPER_H_ namespace imp { inline Maybe<bool> DefineOwnPropertyHelper( v8::PropertyAttribute current , v8::Handle<v8::Object> obj , v8::Handle<v8::String> key , v8::Handle<v8::Value> value , v8::PropertyAttribute attribs = v8::None) { return !(current & v8::DontDelete) || // configurable OR (!(current & v8::ReadOnly) && // writable AND !((attribs ^ current) & ~v8::ReadOnly)) // same excluding RO ? Just<bool>(obj->ForceSet(key, value, attribs)) : Nothing<bool>(); } } // end of namespace imp #endif // NAN_DEFINE_OWN_PROPERTY_HELPER_H_