How to return JSON content in node.js (c++ addon)

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C++

Node.js

Hey !

I'm making a Node.js extension, and I would like to return a json format object, instead of a json-formatted string.

#include <node.h>
#include <node_object_wrap.h>
using namespace v8;

void ListDevices(const FunctionCallbackInfo<Value>& args) {
	Isolate* isolate = Isolate::GetCurrent();
	HandleScope scope(isolate);

	std::string json = "[\"test\", \"test2\"]";
	args.GetReturnValue().Set(String::NewFromUtf8(isolate, json.c_str()));
}

void InitAll(Handle<Object> exports) {
	NODE_SET_METHOD(exports, "listDevices", ListDevices);
}

NODE_MODULE(addon, InitAll)

How can it be done ?

var addon = require("./ADDON");

var jsonvar = JSON.parse(addon.listDevices());
console.log(jsonvar);

Actually, in this part, I would like to remove the JSON.parse

By the way, is it me, or it is really difficult to find documentation ? I tried on google, but a lot of content was out of date, and in v8.h, interesting functions weren't documented.

Thank you ;)