Non-.vue files use vue responsiveness

[warmthsea]

My question is, is there really something wrong with method one? Because someone in my team uses the first way of writing. Should I change the first option to the second option?

Usage 1

Usage 2

[Shyam-Chen]

Both.

[warmthsea]

I read the source code of some open source libraries, and there are very few or none that use the first type.

[Shyam-Chen]

I use vue-storer because I develop SPAs for Dashboards.