Class Addon

test/addon_data.cc:16–87

// 3. The setter sets "verbose" on the instance data.

class Addon {
 public:
  class VerboseIndicator : public Napi::ObjectWrap<VerboseIndicator> {
   public:
    VerboseIndicator(const Napi::CallbackInfo& info)
        : Napi::ObjectWrap<VerboseIndicator>(info) {
      info.This().As<Napi::Object>()["verbose"] = Napi::Boolean::New(
          info.Env(), info.Env().GetInstanceData<Addon>()->verbose);
    }

    Napi::Value Getter(const Napi::CallbackInfo& info) {
      return Napi::Boolean::New(info.Env(),
                                info.Env().GetInstanceData<Addon>()->verbose);
    }

    void Setter(const Napi::CallbackInfo& info, const Napi::Value& val) {
      info.Env().GetInstanceData<Addon>()->verbose = val.As<Napi::Boolean>();
    }

    static Napi::FunctionReference Init(Napi::Env env) {
      return Napi::Persistent(DefineClass(
          env,
          "VerboseIndicator",
          {InstanceAccessor<&VerboseIndicator::Getter,
                            &VerboseIndicator::Setter>("verbose")}));
    }
  };

  static Napi::Value Getter(const Napi::CallbackInfo& info) {
    return MaybeUnwrap(
        info.Env().GetInstanceData<Addon>()->VerboseIndicator.New({}));
  }

  static void Setter(const Napi::CallbackInfo& info) {
    info.Env().GetInstanceData<Addon>()->verbose = info[0].As<Napi::Boolean>();
  }

  Addon(Napi::Env env) : VerboseIndicator(VerboseIndicator::Init(env)) {}
  ~Addon() {
    if (verbose) {
      fprintf(stderr, "addon_data: Addon::~Addon\n");
    }
  }

  static void DeleteAddon(Napi::Env, Addon* addon, uint32_t* hint) {
    delete addon;
    fprintf(stderr, "hint: %u\n", *hint);
    delete hint;
  }

  static Napi::Object Init(Napi::Env env, Napi::Value jshint) {
    if (!jshint.IsNumber()) {
      NAPI_THROW(Napi::Error::New(env, "Expected number"), Napi::Object());
    }
    uint32_t hint = jshint.As<Napi::Number>();
    if (hint == 0)
      env.SetInstanceData(new Addon(env));
    else