I have made myself a nice CarouselComponent based on bootstraps carousel, which can take children as slots and automatically creates slides for each of the children:

In Vue 3 (composition API with setup method), in order to separate logic, you’ve to create other methods outside of your setup method (which are named composition functions) :

I am new to Vue3 composition API and I created a NavigationBase component using composition API.I need to import this component in App.vue to have the NavigationBase appear on all pages. However, the only thing that works for me is this: