🔥 Remove webpacker

[josemigallas]

THREESCALE-7340: Upgrade to webpack@5

Special thanks to this blog post https://aristo.hashnode.dev/webpacker-to-jsbundling-rails-migration

[akostadinov]

Removing webpacker easier than upgrading it, you are full of surprises. It is cool when it is about removing.

[jlledom]

I'll take a better look to this tomorrow, but for now my question is: why not switching to jsbundling-rails instead of this? It's the official replacement for Webpacker in Rails 7 (announcement)

Guide: https://github.com/rails/jsbundling-rails/blob/main/docs/switch_from_webpacker.md

What I don't like about this approach is we might be inventing the wheel and implementing a homebrew solution, this has several problems. For instance, having to maintain it. A gem like webpacker gets updated, the CVEs are solved, etc. In this case we should do all of this ourselves, and we probably won't. Also it might require some extra work when we want to upgrade Rails.

[jlledom]

This works fine for me locally. Good job. A few comments though:

• I see many compile warnings about conflicting order, why is that?
• I tried to run this branch with RAILS_ENV=production and I can't load any screen because the file errors.css is being requested as mimetype 'text/css' but the servers returns it as mimetype text/html, which causes and error 500 for some reason.

[lvillen]

Just some minor comments which aren't blockers. Besides that, I'm excited with the changes introduced here! 🚀

[mayorova]

I found some pages where the styles don't look good while running locally with bundle exec rails assets:precompile (not the webpack dev server)

[lvillen]

I found some pages where the styles don't look good while running locally with bundle exec rails assets:precompile (not the webpack dev server)

I've been testing it after compiling assets running bundle exec rails webpack:dev and it looks good.

[lvillen]

I've been checking @mayorova pages that were failing in production earlier, and the only one still failing is the SSO Integrations edit form, which fails both in development and production.

I'd say app/views/provider/admin/authentication_providers/edit.html.slim is missing the

- content_for :javascripts do
  = stylesheet_packs_chunks_tag 'pf_form'

Besides that, both development and production work fine.

[mayorova]

Looks great to me! 🔥

Stellar job, @josemigallas 🌟