Create Vue component or directive which only renders if it has children
The following discussion from gitlab-ce!30754 should be addressed:
- [ ] @pslaughter started a [discussion](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/30754#note_196447354):
> **thought:** Thanks for sycning this up! I have an idea for a Vue component/directive that only renders if it has children. Nothing we need to do in this MR, but I'll create a follow up issue for it :smile:
issue