#if NODE_VERSION_AT_LEAST(0,11,12)
#define NanEncode(buf, buflen, encoding) \
  node::Encode(v8::Isolate::GetCurrent(), buf, buflen, encoding)
#define NanDecodeBytes(val, encoding) \
  node::DecodeBytes(v8::Isolate::GetCurrent(), val, encoding)
#define NanDecodeWrite(buf, buflen, val, encoding) \
  node::DecodeWrite(v8::Isolate::GetCurrent(), buf, buflen, val, encoding)
#else
#define NanEncode(buf, buflen, encoding) \
  node::Encode(buf, buflen, encoding)
#define NanDecodeBytes(val, encoding) \
  node::DecodeBytes(val, encoding)
#define NanDecodeWrite(buf, buflen, val, encoding) \
  node::DecodeWrite(buf, buflen, val, encoding)
#endif