In my react app, when I run npm run build then lot of chunk files are created and also one main.[hash].js file
and that main.[hash].js file size is ~138kb (attached screenshots below for reference)
And in react app there's no such code which are unused
In this app I did not eject web-pack files so there no config file in this app
also I have already use code splitting technique like lazy/suspence in all routes.