Don't remove unused var checks in eslint, that's just laziness.
It found two problems with your code:
You are using the composition API but have not included the settings in a script tag. Your script opening tag should look something like . Reference: Documentation
Your display function does not use icon variables. Therefore it should be removed as it creates unnecessary noise in the code.
It literally tells you what the problem is
Don't remove unused var checks in eslint, that's just laziness.
It found two problems with your code:
. Reference: Documentation
Hope this helps