Method ThrowAsJavaScriptException

napi-inl.h:3492–3542

we created an object on the &_ref

// we created an object on the &_ref
inline void Error::ThrowAsJavaScriptException() const {
  HandleScope scope(_env);
  if (!IsEmpty()) {
#ifdef NODE_API_SWALLOW_UNTHROWABLE_EXCEPTIONS
    bool pendingException = false;

    // check if there is already a pending exception. If so don't try to throw a
    // new one as that is not allowed/possible
    napi_status status = napi_is_exception_pending(_env, &pendingException);

    if ((status != napi_ok) ||
        ((status == napi_ok) && (pendingException == false))) {
      // We intentionally don't use `NAPI_THROW_*` macros here to ensure
      // that there is no possible recursion as `ThrowAsJavaScriptException`
      // is part of `NAPI_THROW_*` macro definition for noexcept.

      status = napi_throw(_env, Value());

#if (NAPI_VERSION >= 10)
      napi_status expected_failure_mode = napi_cannot_run_js;
#else
      napi_status expected_failure_mode = napi_pending_exception;
#endif
      if (status == expected_failure_mode) {
        // The environment must be terminating as we checked earlier and there
        // was no pending exception. In this case continuing will result
        // in a fatal error and there is nothing the author has done incorrectly
        // in their code that is worth flagging through a fatal error
        return;
      }
    } else {
      status = napi_pending_exception;
    }
#else
    // We intentionally don't use `NAPI_THROW_*` macros here to ensure
    // that there is no possible recursion as `ThrowAsJavaScriptException`
    // is part of `NAPI_THROW_*` macro definition for noexcept.

    napi_status status = napi_throw(_env, Value());
#endif

#ifdef NODE_ADDON_API_CPP_EXCEPTIONS
    if (status != napi_ok) {
      throw Error::New(_env);
    }
#else   // NODE_ADDON_API_CPP_EXCEPTIONS
    NAPI_FATAL_IF_FAILED(
        status, "Error::ThrowAsJavaScriptException", "napi_throw");
#endif  // NODE_ADDON_API_CPP_EXCEPTIONS
  }
}

#ifdef NODE_ADDON_API_CPP_EXCEPTIONS