Vue : single slot on a component is not recognized : WEB-63800

The correct way to force Vue to re-render a component vue slot ref ref is a special attribute, similar to the key attribute discussed in the v-for chapter It allows us to obtain a direct reference to a specific DOM element or vue slot ref exactActiveClass : A class to apply on exact active links Works the same as Vue Router's exact-active-class prop on internal links noPrefetch : Disables

vue slot class In src , add a new ref and set its initial value to 0 : import { ref } from vue; const parentCount = ref; Now we should import