node-gyp example

binding.cc

#include <node.h>

using v8::FunctionCallbackInfo;
using v8::Isolate;
using v8::Local;
using v8::Object;
using v8::String;
using v8::Value;

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

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

binding.gyp

{
  'targets': [
    {
      'target_name': 'mybinding',
      'sources': [ 'binding.cc' ]
    }
  ]
}

test.js

const assert = require('assert');
const binding = require('./build/Release/mybinding');
assert.equal('world', binding.hello());
console.log('binding.hello() =', binding.hello());