Class SleepWorker

test/cpp/asyncworker.cpp:15–28

using namespace Nan;  // NOLINT(build/namespaces)

class SleepWorker : public AsyncWorker {
 public:
  SleepWorker(Callback *callback, int milliseconds)
    : AsyncWorker(callback, "nan:test.SleepWorker"),
      milliseconds(milliseconds) {}
  ~SleepWorker() {}

  void Execute () {
    Sleep(milliseconds);
  }

 private:
  int milliseconds;
};

NAN_METHOD(DoSleep) {
  Callback *callback = new Callback(To<v8::Function>(info[1]).ToLocalChecked());