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settemplate.cpp
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106 lines (85 loc) · 2.82 KB
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/*********************************************************************
* NAN - Native Abstractions for Node.js
*
* Copyright (c) 2018 NAN contributors
*
* MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
********************************************************************/
#include <nan.h>
using namespace Nan; // NOLINT(build/namespaces)
class MyObject : public node::ObjectWrap {
public:
static NAN_MODULE_INIT(Init);
private:
MyObject();
~MyObject();
static NAN_METHOD(New);
static Persistent<v8::Function> constructor;
};
Persistent<v8::Function> MyObject::constructor;
MyObject::MyObject() {
}
MyObject::~MyObject() {
}
void Foo(FunctionCallbackInfo<v8::Value> const&) {}
NAN_MODULE_INIT(MyObject::Init) {
// Prepare constructor template
v8::Local<v8::FunctionTemplate> tpl = Nan::New<v8::FunctionTemplate>(New);
tpl->SetClassName(Nan::New<v8::String>("MyObject").ToLocalChecked());
tpl->InstanceTemplate()->SetInternalFieldCount(1);
// Prototype
SetPrototypeTemplate(
tpl
, "prototypeProp"
, Nan::New<v8::String>("a prototype property").ToLocalChecked());
// Instance
SetInstanceTemplate(
tpl
, "instanceProp"
, Nan::New<v8::String>("an instance property").ToLocalChecked());
// PropertyAttributes
SetInstanceTemplate(
tpl
, Nan::New<v8::String>("none").ToLocalChecked()
, Nan::New<v8::String>("none").ToLocalChecked()
, v8::None);
SetInstanceTemplate(
tpl
, Nan::New<v8::String>("readOnly").ToLocalChecked()
, Nan::New<v8::String>("readOnly").ToLocalChecked()
, v8::ReadOnly);
SetInstanceTemplate(
tpl
, Nan::New<v8::String>("dontEnum").ToLocalChecked()
, Nan::New<v8::String>("dontEnum").ToLocalChecked()
, v8::DontEnum);
SetInstanceTemplate(
tpl
, Nan::New<v8::String>("dontDelete").ToLocalChecked()
, Nan::New<v8::String>("dontDelete").ToLocalChecked()
, v8::DontDelete);
v8::Local<v8::Function> function = Nan::GetFunction(tpl).ToLocalChecked();
constructor.Reset(function);
Set(target
, Nan::New<v8::String>("MyObject").ToLocalChecked()
, function);
//=== SetMethod ==============================================================
v8::Local<v8::Object> obj = Nan::New<v8::Object>();
SetMethod(obj, "foo", Foo);
// https://github.com/nodejs/nan/issues/564
v8::Local<v8::Function> func = Nan::New<v8::Function>(Foo);
SetMethod(func, "foo", Foo);
v8::Local<v8::FunctionTemplate> t = Nan::New<v8::FunctionTemplate>(Foo);
SetMethod(t, "foo", Foo);
}
NAN_METHOD(MyObject::New) {
if (info.IsConstructCall()) {
MyObject* obj = new MyObject();
obj->Wrap(info.This());
info.GetReturnValue().Set(info.This());
} else {
v8::Local<v8::Function> cons = Nan::New<v8::Function>(constructor);
info.GetReturnValue().Set(Nan::NewInstance(cons).ToLocalChecked());
}
}
NODE_MODULE(settemplate, MyObject::Init)