node_modules/node-pty/node_modules/nan/nan_define_own_property_helper.h

   1 /*********************************************************************
   2  * NAN - Native Abstractions for Node.js
   3  *
   4  * Copyright (c) 2018 NAN contributors
   5  *
   6  * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
   7  ********************************************************************/
   8
   9 #ifndef NAN_DEFINE_OWN_PROPERTY_HELPER_H_
  10 #define NAN_DEFINE_OWN_PROPERTY_HELPER_H_
  11
  12 namespace imp {
  13
  14 inline Maybe<bool> DefineOwnPropertyHelper(
  15     v8::PropertyAttribute current
  16   , v8::Handle<v8::Object> obj
  17   , v8::Handle<v8::String> key
  18   , v8::Handle<v8::Value> value
  19   , v8::PropertyAttribute attribs = v8::None) {
  20   return !(current & v8::DontDelete) ||                     // configurable OR
  21                   (!(current & v8::ReadOnly) &&             // writable AND
  22                    !((attribs ^ current) & ~v8::ReadOnly))  // same excluding RO
  23              ? Just<bool>(obj->ForceSet(key, value, attribs))
  24              : Nothing<bool>();
  25 }
  26
  27 }  // end of namespace imp
  28
  29 #endif  // NAN_DEFINE_OWN_PROPERTY_HELPER_H_