Method release

src/script/v8/engine.cpp:313–321

  }

  void release() {
    m_local.ClearWeak();
    m_local.Reset();
    if (onRelease) {
      auto cb = std::move(onRelease);
      onRelease = nullptr;
      cb();
    }
  }

  void makeGlobal(const std::string& name) override {
    auto& isolate = m_engine.get<V8Engine>()->m_isolate;