napi_cleanup_hook
与 napi_add_env_cleanup_hook 一起使用的函数指针。它将在环境被拆除时被调用。
【Function pointer used with napi_add_env_cleanup_hook. It will be called
when the environment is being torn down.】
回调函数必须满足以下签名:
【Callback functions must satisfy the following signature:】
typedef void (*napi_cleanup_hook)(void* data); [in] data:传递给napi_add_env_cleanup_hook的数据。