From f92a8bfb94310ae66afd3f891f9ecd9989969788 Mon Sep 17 00:00:00 2001
From: wagurano <wagurano@gmail.com>
Date: Sun, 23 Sep 2018 19:57:36 +0900
Subject: Fix rails guides markdown.rb and renderer.rb to use custom header id

---
 guides/rails_guides/markdown.rb          | 2 +-
 guides/rails_guides/markdown/renderer.rb | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

(limited to 'guides/rails_guides')

diff --git a/guides/rails_guides/markdown.rb b/guides/rails_guides/markdown.rb
index 61b371363e..a98aa8fe66 100644
--- a/guides/rails_guides/markdown.rb
+++ b/guides/rails_guides/markdown.rb
@@ -103,7 +103,7 @@ module RailsGuides
                   hierarchy = hierarchy[0, 3] + [node]
                 end
 
-                node[:id] = dom_id(hierarchy)
+                node[:id] = dom_id(hierarchy) unless node[:id]
                 node.inner_html = "#{node_index(hierarchy)} #{node.inner_html}"
               end
             end
diff --git a/guides/rails_guides/markdown/renderer.rb b/guides/rails_guides/markdown/renderer.rb
index 8095b8c898..82bb4d6de1 100644
--- a/guides/rails_guides/markdown/renderer.rb
+++ b/guides/rails_guides/markdown/renderer.rb
@@ -29,7 +29,12 @@ HTML
         # Always increase the heading level by 1, so we can use h1, h2 heading in the document
         header_level += 1
 
-        %(<h#{header_level}>#{text}</h#{header_level}>)
+        header_with_id = text.scan(/(.*){#(.*)}/)
+        unless header_with_id.empty?
+          %(<h#{header_level} id=#{header_with_id[0][1].strip}>#{header_with_id[0][0].strip}</h#{header_level}>)
+        else
+          %(<h#{header_level}>#{text}</h#{header_level}>)
+        end
       end
 
       def paragraph(text)
-- 
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