Installing cssbundling-rails on top of a new rails app breaks Stimulus, as well, some strange error in browser console

[jasonfb]

rails new TestApp

rails generate scaffold Posts

rails db:migrate

add <div data-controller="hello"></div> to anywhere

run rails s
Notice that the Stimulus controller works fine:

Now install cssbundling the following way:

add gem 'cssbundling-rails' and uncomment gem 'sassc-rials'

bundle install

now run the cssbundling installer with rails css:install:bootstrap

You will now have the new bin/dev rails command on your machine (it is not there before you installed cssbundling). Whether rails is started with rails s or bin/dev rails, I get the same result, the Stimulus controller dies:

There's also a strange console error, which I oddly I can't CLICK ON to see the line number. not sure why I can't click on it, usually Chrome lets me click into the line number where the error is and shows me the calling code, but in this error when I click it just does nothing.

I'm not sure if the problem here is that cssbundling must be used with jsbundling and/or if jsbundling is used in conjunction with or as a replacement to importmap. I've spoken to several people on the chat boards and slack channel who are also confused by this so I would strongly urge some clarity around this.

I will re-attempt now with both cssbundling and jsbundling (this ticket is specific to ONLY cssbundling on top of rails new) At the very least if this is the wrong strategy I would strongly recommend documenting it clearly because right now I would still put this in the no-happiness category.

[jasonfb]

here's the recreation app: https://github.com/jasonfb/CBR-Issue75

This is the commit that breaks stimulus... what I really need to know I guess is what part of this commit is breaking stimulus:

https://github.com/jasonfb/CBR-Issue75/commit/116d4d1ab79606bdb768f33ea70a999475e6b041

[jasonfb]

OK so I experimented maybe with installing both cssbundling-rails and also jsbundling-rails but the situation does not improve.

The jsbundling-rails installer has many errors-- I think some because the cssbundling-rails did some of this already

https://gist.github.com/jasonfb/6c6a18f53b4fff37453f9d079c042f5e

either way, bin/dev rails now shows me the same page with Bootstrap styling but Stimulus does not load up

[dhh]

You can't switch between import map and jsbundler without several migration steps. This as designed. There are generated files that need to change.

[jasonfb]

https://jasonfleetwoodboldt.com/courses/stepping-up-rails/rails-7-new-app-with-js-bundling-css-bundling/