From 402b29130bc52119a30953df619c4c6ccc582536 Mon Sep 17 00:00:00 2001
From: BananaJeans <18456310+BananaJeanss@users.noreply.github.com>
Date: Mon, 1 Dec 2025 17:40:05 +0200
Subject: [PATCH] remove .md extension from relative links (#664)

---
 app/controllers/docs_controller.rb | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/app/controllers/docs_controller.rb b/app/controllers/docs_controller.rb
index 40c0981..3c342fa 100644
--- a/app/controllers/docs_controller.rb
+++ b/app/controllers/docs_controller.rb
@@ -116,8 +116,22 @@ class DocsController < ApplicationController
     title_line&.sub(/^# /, "")&.strip
   end
 
+  # removes .md extension from links
+  class DocsRenderer < Redcarpet::Render::HTML
+    def link(link, title, content)
+      if link && !link.match?(/\A[a-z]+:/)
+        link = link.sub(/\.md(?=[#?]|$)/, "")
+      end
+
+      attributes = "href=\"#{link}\""
+      attributes += " title=\"#{title}\"" if title
+
+      "<a #{attributes}>#{content}</a>"
+    end
+  end
+
   def render_markdown(content)
-    renderer = Redcarpet::Render::HTML.new(
+    renderer = DocsRenderer.new(
       filter_html: true,
       no_links: false,
       no_images: false,