The `create-react-app` project has existed for years, and gives you a standardized stack the bundles and boots with a single command.
Rails 7 has abandoned JS bundling in favor of using somebody else's CDN. Have fun with that.
> Rails 7 has abandoned JS bundling in favor of using somebody else's CDN. Have fun with that.
This isn't true. You can vendor your JS libraries and Rails will bundle them for you. It uses jsbundling-rails[1] to handle that.