Adding vuex localstorage data, how to do adding data?

Question

Data storage

I have a storage on vuex, the data is stored in json format, I add data in a file, can I add it through the site, what would they be added to the file?

Answer 1

Elderberry in the garden, and uncle in Kyiv.
1. Vuex has absolutely nothing to do with it, even more so localstorage.
2. You can save the data transferred from the front through the backend.
3. To store at least some large amount of dynamic data in JSON is a perversion. That's what databases are for.