getting copy of main

Author: dmalan

lib/jekyll-theme-cs50.rb

@@ -99,45 +99,6 @@ def md5(input)
   end
   Liquid::Template.register_filter(MDhash)
 
-  # Generate a description from page content
-  module DescriptionGenerator
-    def describe(input, max_length = 160)
-      return "" if input.nil? || input.to_s.strip.empty?
-
-      # Convert Markdown to HTML
-      html = $site.find_converter_instance(::Jekyll::Converters::Markdown).convert(input.to_s)
-      
-      # Parse HTML and extract text
-      doc = Nokogiri::HTML5.fragment(html)
-      
-      # Remove the page's title (i.e., first h1 tag)
-      doc.css("h1").first&.remove
-      
-      # Remove any table of contents
-      doc.css("ul#markdown-toc").first&.remove
-      
-      # Strip tags
-      text = doc.text.strip
-      
-      # Clean up whitespace
-      text = text.gsub(/\s+/, " ").strip
-      
-      # Return empty string if no text extracted
-      return "" if text.empty?
-      
-      # Truncate to max_length, breaking at word boundary
-      if text.length > max_length
-        text = text[0...(max_length - 3)]
-        last_space = text.rindex(" ")
-        text = text[0...last_space] if last_space && last_space > 0
-        text += "..."
-      end
-      
-      text
-    end
-  end
-  Liquid::Template.register_filter(DescriptionGenerator)
-
   module Mixins
 
     def initialize(tag_name, markup, options)
@@ -477,7 +438,9 @@ def relative_url(input)
 
   # Parse HTML
   doc = Nokogiri::HTML(page.output)
-  main = doc.at_css("main")
+
+  # Get copy of main
+  main = doc.at_css("main").dup
   next if main.nil?
 
   # If page.description