WiP

lib/tailwindcss/commands.rb

@@ -8,15 +8,18 @@ def rails_root
       end
 
       def remove_tempfile!
-        @@tempfile.unlink if @@tempfile
+        if @@tempfile
+          @@tempfile.unlink
+          @@tempfile = nil
+        end
       end
 
       def compile_command(input: application_css, debug: false, **kwargs)
         debug = ENV["TAILWINDCSS_DEBUG"].present? if ENV.key?("TAILWINDCSS_DEBUG")
 
         command = [
           Tailwindcss::Ruby.executable(**kwargs),
-          "-i", application_css,
+          "-i", application_css.to_s,
           "-o", rails_root.join("app/assets/builds/tailwind.css").to_s,
         ]
 
@@ -29,18 +32,16 @@ def compile_command(input: application_css, debug: false, **kwargs)
       end
 
       def application_css
-        if engines_roots.any?
-          @@tempfile = Tempfile.new("tailwind.application.css")
-          engines_roots.each do |root|
-            @@tempfile.puts "@import \"#{root}\";"
-          end
-          @@tempfile.puts "\n@import \"#{rails_root.join('app/assets/tailwind/application.css')}\";"
-          @@tempfile.close
+        return rails_root.join("app/assets/tailwind/application.css").to_s if engines_roots.empty?
 
-          @@tempfile.path
-        else
-          rails_root.join("app/assets/tailwind/application.css").to_s
+        @@tempfile = Tempfile.new("tailwind.application.css")
+        engines_roots.each do |root|
+          @@tempfile.puts "@import \"#{root}\";"
         end
+        @@tempfile.puts "\n@import \"#{rails_root.join('app/assets/tailwind/application.css')}\";"
+        @@tempfile.close
+
+        @@tempfile.path
       end
 
       def watch_command(always: false, poll: false, **kwargs)

test/lib/tailwindcss/commands_test.rb

@@ -11,9 +11,8 @@ def setup
 
   def teardown
     super
-    if Tailwindcss::Commands.class_variable_defined?(:@@application_css)
+    if Tailwindcss::Commands.class_variable_defined?(:@@tempfile)
       Tailwindcss::Commands.remove_tempfile!
-      Tailwindcss::Commands.remove_class_variable(:@@application_css)
     end
   end
 
@@ -230,7 +229,7 @@ def teardown
       Rails.stub(:root, root) do
         Tailwindcss::Commands.stub(:engines_roots, [engine_css.to_s]) do
           css_path = Tailwindcss::Commands.application_css
-          assert Tailwindcss::Commands.tempfile_path?(css_path)
+          assert_equal css_path, Tailwindcss::Commands.class_variable_get(:@@tempfile).path
 
           content = File.read(css_path)
           assert_match "@import \"#{engine_css}\";", content
@@ -266,7 +265,6 @@ def teardown
           css_path = Tailwindcss::Commands.application_css
           assert File.exist?(css_path)
 
-          debugger
           Tailwindcss::Commands.remove_tempfile!
           refute File.exist?(css_path)
         end