The code can't run with only client JS. It needs a backend. ElectronJS allows running NodeJS as backend. I tried React Native (only support JS on the client-si

The code can't run with only client JS. It needs a backend. ElectronJS allows running NodeJS as backend. I tried React Native (only support JS on the client-side, need to build native modules to run some core functions for languages), Flutter (a few missing utilities, not so familiar). I have answer why a desktop app in other comments so I won't repeat. Electron is the best fit in this situation.