How to select certain components?

Question

Vue.js

Good evening!
There is a list. Inside each line of the list is a set of identical components. Task:
1. Select the desired line.
2. Click on the "Recolor Components" button.
3. Select all components that are in the desired line
4. and recolor them
How to perform steps 1 and 3? the rest I can do myself.
The roof is coming down...