From b37e4015285e3080aa2276bf348759ebfdded676 Mon Sep 17 00:00:00 2001
From: Kazuki Nishikawa <kz.nishikawa@gmail.com>
Date: Wed, 24 Dec 2025 17:06:50 +0900
Subject: [PATCH 1/2] Support ERB native comment

fixes: #350
---
 lib/rufo/erb_formatter.rb           |  6 +++++-
 spec/lib/rufo/erb_formatter_spec.rb | 10 ++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/rufo/erb_formatter.rb b/lib/rufo/erb_formatter.rb
index 0bc56dbe..76f43f10 100644
--- a/lib/rufo/erb_formatter.rb
+++ b/lib/rufo/erb_formatter.rb
@@ -34,7 +34,7 @@ def initialize(code, **options)
   def format
     out = []
     process_erb do |(type, content)|
-      if type == :code
+      if type == :code && !erb_comment?(content)
         formatted_code = process_code(content)
         indented_code = formatted_code.lines.join(" " * current_column)
         out << " #{indented_code} "
@@ -176,4 +176,8 @@ def enable_code_mode
   def disable_code_mode
     @code_mode = false
   end
+
+  def erb_comment?(code)
+    code.start_with?('#')
+  end
 end
diff --git a/spec/lib/rufo/erb_formatter_spec.rb b/spec/lib/rufo/erb_formatter_spec.rb
index e45e20e3..67f64fa2 100644
--- a/spec/lib/rufo/erb_formatter_spec.rb
+++ b/spec/lib/rufo/erb_formatter_spec.rb
@@ -89,5 +89,15 @@
       result = subject.format("<%=yield%>")
       expect(result).to eql("<%= yield %>")
     end
+
+    it 'handles native erb comments' do
+      result = subject.format('<%# locals: (item:, variant:) %>')
+      expect(result).to eql("<%# locals: (item:, variant:) %>")
+    end
+
+    it 'handles ruby comments' do
+      result = subject.format('<% # TODO: fix this later %>')
+      expect(result).to eql("<% # TODO: fix this later %>")
+    end
   end
 end

From 9ec4998033bf0837567a4ce72db249167b174882 Mon Sep 17 00:00:00 2001
From: Kazuki Nishikawa <kz.nishikawa@gmail.com>
Date: Wed, 24 Dec 2025 17:09:31 +0900
Subject: [PATCH 2/2] format with rufo

---
 lib/rufo/erb_formatter.rb           | 2 +-
 spec/lib/rufo/erb_formatter_spec.rb | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/rufo/erb_formatter.rb b/lib/rufo/erb_formatter.rb
index 76f43f10..49cd390d 100644
--- a/lib/rufo/erb_formatter.rb
+++ b/lib/rufo/erb_formatter.rb
@@ -178,6 +178,6 @@ def disable_code_mode
   end
 
   def erb_comment?(code)
-    code.start_with?('#')
+    code.start_with?("#")
   end
 end
diff --git a/spec/lib/rufo/erb_formatter_spec.rb b/spec/lib/rufo/erb_formatter_spec.rb
index 67f64fa2..9ad8816c 100644
--- a/spec/lib/rufo/erb_formatter_spec.rb
+++ b/spec/lib/rufo/erb_formatter_spec.rb
@@ -90,13 +90,13 @@
       expect(result).to eql("<%= yield %>")
     end
 
-    it 'handles native erb comments' do
-      result = subject.format('<%# locals: (item:, variant:) %>')
+    it "handles native erb comments" do
+      result = subject.format("<%# locals: (item:, variant:) %>")
       expect(result).to eql("<%# locals: (item:, variant:) %>")
     end
 
-    it 'handles ruby comments' do
-      result = subject.format('<% # TODO: fix this later %>')
+    it "handles ruby comments" do
+      result = subject.format("<% # TODO: fix this later %>")
       expect(result).to eql("<% # TODO: fix this later %>")
     end
   end