vue: passing props down to all descendants

Question

I have a parent component with the following line

Answer 1

Solution possible from Vue 2.2.0

provide / inject

This pair of options are used together to allow an ancestor component to serve as a dependency injector for all its descendants, regardless of how deep the component hierarchy is, as long as they are in the same parent chain.

https://fr.vuejs.org/v2/api/index.html#provide-inject