From 9d5ec5e3bc01c6174dea048e118edee579c36565 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 7 Feb 2026 23:06:23 +0900
Subject: fix(style): fix codeblock style for rouge

---
 services/nuldoc/lib/nuldoc/markdown/transform.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'services/nuldoc/lib')

diff --git a/services/nuldoc/lib/nuldoc/markdown/transform.rb b/services/nuldoc/lib/nuldoc/markdown/transform.rb
index c11eb541..89bdcbff 100644
--- a/services/nuldoc/lib/nuldoc/markdown/transform.rb
+++ b/services/nuldoc/lib/nuldoc/markdown/transform.rb
@@ -312,9 +312,10 @@ module Nuldoc
       lexer = Rouge::Lexer.find(language) || Rouge::Lexers::PlainText.new
       lexer = lexer.new if lexer.is_a?(Class)
       formatter = Rouge::Formatters::HTMLInline.new('github.light')
+      line_formatter = Rouge::Formatters::HTMLLinewise.new(formatter, class: 'codeblock-line')
       tokens = lexer.lex(source)
-      inner_html = formatter.format(tokens)
-      "<pre class=\"highlight\" style=\"background-color:#f5f5f5\"><code>#{inner_html}\n</code></pre>"
+      inner_html = line_formatter.format(tokens)
+      "<pre class=\"highlight\" style=\"background-color:#f5f5f5\"><code>#{inner_html.chomp.sub(/\n<\/div>\z/, '</div>')}</code></pre>"
     end
 
     def generate_table_of_contents
-- 
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