nan/test/cpp/settemplate.cpp at main · nodejs/nan · GitHub

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/*********************************************************************

* NAN - Native Abstractions for Node.js

* 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()

, v8::None);

SetInstanceTemplate(

tpl

, Nan::New<v8::String>("readOnly").ToLocalChecked()

, v8::ReadOnly);

SetInstanceTemplate(

tpl

, Nan::New<v8::String>("dontEnum").ToLocalChecked()

, v8::DontEnum);

SetInstanceTemplate(

tpl

, 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)

nan/test/cpp/settemplate.cpp at main · nodejs/nan · GitHub

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