engine.rb in trestle-0.10.0.pre2

- old
+ new

@@ -1,5 +1,7 @@
+require "turbo-rails"
+
 module Trestle
   class Engine < ::Rails::Engine
     isolate_namespace Trestle
     self.routes.default_scope = {}
 
@@ -28,33 +30,33 @@
       if defined?(Draper)
         Draper::CollectionDecorator.delegate :current_page, :total_pages, :limit_value, :entry_name, :total_count, :offset_value, :last_page?
       end
     end
 
-    initializer "turbo.mimetype" do
-      Mime::Type.register "text/vnd.turbo-stream.html", :turbo_stream unless Mime[:turbo_stream]
-    end
-
-    initializer "turbo.renderer" do
-      ActiveSupport.on_load(:action_controller) do
-        # Compatibility fix for Rails 5.2
-        delegate :media_type, to: "@_response" unless instance_methods.include?(:media_type)
-
-        ActionController::Renderers.add :turbo_stream do |turbo_streams_html, options|
-          self.content_type = Mime[:turbo_stream] if media_type.nil?
-          turbo_streams_html
-        end
-      end
-    end
-
     config.to_prepare do
       Engine.reset_helpers!
     end
 
     config.after_initialize do |app|
       reloader = Trestle::Reloader.new(*app.watchable_args)
       reloader.install(app) unless app.config.eager_load
     end
+
+    # For compatibility with the `sassc-rails`` gem, register a custom compressor that excludes the
+    # Trestle admin stylesheets as a) they are already minimized and b) libsass is not compatible with
+    # some of the newer CSS syntax that is used.
+    #
+    # To avoid this being necessary, it is recommended that either
+    #   1) `sassc-rails` is removed from the Gemfile (if not required),
+    #   2) the `sassc-embedded` gem is added to the Gemfile, or
+    #   3) `sassc-rails` is replaced with `dartsass-sprockets`
+    config.assets.configure do |env|
+      if original_compressor = config.assets.css_compressor
+        require "trestle/sprockets_compressor"
+        original_compressor = Sprockets.compressors['text/css'][original_compressor] if original_compressor.is_a?(Symbol)
+        config.assets.css_compressor = Trestle::SprocketsCompressor.new(original_compressor)
+      end
+    end if defined?(SassC::Rails)
 
     def reset_helpers!
       @helpers = nil
     end
   end