jnpf-web-vue3/node_modules/ant-design-vue/es/_util/hooks/useDestroyed.js

import { onBeforeUnmount, shallowRef } from 'vue';
const useDestroyed = () => {
  const destroyed = shallowRef(false);
  onBeforeUnmount(() => {
    destroyed.value = true;
  });
  return destroyed;
};
export default useDestroyed;