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Replace deprecated sass-rails gem with sassc-rails. Update Sprockets from 3 to...

Sean Aery requested to merge DDR-2324-sass-rails-replace into main

Replace deprecated sass-rails gem with sassc-rails. Update Sprockets from 3 to 4. Update FontAwesome from 4 to 5, and adjust all references to FA icons accordingly. Closes DDR-2324.

This update more carefully takes care of dependabot MRs !111 (closed) & !116 (closed) -- it adjusts code that would otherwise break when upgrading.

See this post for more context on updating these gems and associated syntax.

Summary

  • Removed (deprecated) sass-rails gem & replaced it with sassc-rails
  • Updated the font-awesome-sass gem from 4 (which depends on the deprecated sass-rails) to 5
  • Changed all FontAwesome 4 syntax / icon references to 5 (using this guide). Note CSS pseudo-elements also had to be updated, esp. given font-weight of 900 for solid & 400 for regular type icons. See this guide.
  • Updated Sprockets gem from 3 (max version for sass-rails) to 4
  • Adjusted top-level asset compilation targets to use Sprockets 4 syntax (esp. see assets/config/manifest.js)

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