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{
  "targets": [
    {
      "target_name": "addon",
      "sources": [ "hello.cc" ]
    }
  ]
}

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all: build
build: build_node
build_node: node-gyp rebuild

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#include <nan.h>

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"include_dirs" : ["<!(node -e \"require('nan')\")"]

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void GetBuffer(const FunctionCallbackInfo<Value>& args) {
  char *data;
  size_t length;
  GetSomeBufferData(data, length);
  MaybeLocal<Object> buffer = Nan::CopyBuffer(data, length);
  delete []data;
  args.GetReturnValue().Set(buffer.ToLocalChecked());
}

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void GetBuffer(const FunctionCallbackInfo<Value>& args) {
  char *data;
  size_t length;
  GetSomeBufferData(data, length);
  MaybeLocal<Object> buffer = Nan::NewBuffer(data, length);
  args.GetReturnValue().Set(buffer.ToLocalChecked());
}

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void Method(const FunctionCallbackInfo<Value>& args) {
  v8::String::Utf8Value nameFromArgs(args[0]->ToString());
  std::string name = std::string(*nameFromArgs);
  std::string response = "hello " + name;

  args.GetReturnValue().Set(Nan::New(response).ToLocalChecked());
}

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void Method(const FunctionCallbackInfo<Value>& args) {
  Isolate* isolate = args.GetIsolate();
  args.GetReturnValue().Set(String::NewFromUtf8(isolate, "world"));
}

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void init(Local<Object> exports) {
  NODE_SET_METHOD(exports, "hello", Method);
}

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```cpp
void init(Local<Object> exports) {
  NODE_SET_METHOD(exports, "hello", Method);
}
```