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Native Abstractions for Node.js: C++ header for Node 0.8 -> 18 compatibility
There is a newer version: 2.19.0
/*********************************************************************
 * NAN - Native Abstractions for Node.js
 *
 * Copyright (c) 2018 NAN contributors
 *
 * MIT License 
 ********************************************************************/

#ifndef NAN_CALLBACKS_H_
#define NAN_CALLBACKS_H_

template class FunctionCallbackInfo;
template class PropertyCallbackInfo;
template class Global;

typedef void(*FunctionCallback)(const FunctionCallbackInfo&);
typedef void(*GetterCallback)
    (v8::Local, const PropertyCallbackInfo&);
typedef void(*SetterCallback)(
    v8::Local,
    v8::Local,
    const PropertyCallbackInfo&);
typedef void(*PropertyGetterCallback)(
    v8::Local,
    const PropertyCallbackInfo&);
typedef void(*PropertySetterCallback)(
    v8::Local,
    v8::Local,
    const PropertyCallbackInfo&);
typedef void(*PropertyEnumeratorCallback)
    (const PropertyCallbackInfo&);
typedef void(*PropertyDeleterCallback)(
    v8::Local,
    const PropertyCallbackInfo&);
typedef void(*PropertyQueryCallback)(
    v8::Local,
    const PropertyCallbackInfo&);
typedef void(*IndexGetterCallback)(
    uint32_t,
    const PropertyCallbackInfo&);
typedef void(*IndexSetterCallback)(
    uint32_t,
    v8::Local,
    const PropertyCallbackInfo&);
typedef void(*IndexEnumeratorCallback)
    (const PropertyCallbackInfo&);
typedef void(*IndexDeleterCallback)(
    uint32_t,
    const PropertyCallbackInfo&);
typedef void(*IndexQueryCallback)(
    uint32_t,
    const PropertyCallbackInfo&);

namespace imp {
#if (NODE_MODULE_VERSION < NODE_16_0_MODULE_VERSION)
typedef v8::Local Sig;
#else
typedef v8::Local Sig;
#endif

static const int kDataIndex =                    0;

static const int kFunctionIndex =                1;
static const int kFunctionFieldCount =           2;

static const int kGetterIndex =                  1;
static const int kSetterIndex =                  2;
static const int kAccessorFieldCount =           3;

static const int kPropertyGetterIndex =          1;
static const int kPropertySetterIndex =          2;
static const int kPropertyEnumeratorIndex =      3;
static const int kPropertyDeleterIndex =         4;
static const int kPropertyQueryIndex =           5;
static const int kPropertyFieldCount =           6;

static const int kIndexPropertyGetterIndex =     1;
static const int kIndexPropertySetterIndex =     2;
static const int kIndexPropertyEnumeratorIndex = 3;
static const int kIndexPropertyDeleterIndex =    4;
static const int kIndexPropertyQueryIndex =      5;
static const int kIndexPropertyFieldCount =      6;

}  // end of namespace imp

#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
# include "nan_callbacks_12_inl.h"  // NOLINT(build/include)
#else
# include "nan_callbacks_pre_12_inl.h"  // NOLINT(build/include)
#endif

#endif  // NAN_CALLBACKS_H_