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There will be a very hot wire when I have to ask the server to render a component on the server after I asked to increment a single counter

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it might not be so bad

is not so many more bytes than...

{ counter: 42 }

also - no massive up front JS bundles to contend with

Assuming that the counter state is on the client. A button with an event listener that runs x.innerHTML = state.counter++ makes a lot more sense than a round trip to the server.

Just looked and Turbo is 135kb. I rewrote this website (http://40.115.126.159/) with my own JS framework and it comes at 15kb, that's 9x smaller Turbo...

In that case you could avoid making the round trip completely by just adding some native JS. There's nothing in Stimulus or Hotwire that prevents that.

I think they actually mention adding Stimulus controllers in the demo video for those usecases.

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