Better headers

lib/docs/filters/dart/clean_html.rb

@@ -10,6 +10,25 @@ module Docs
           at_css('.main-content').prepend_child("<h1>#{name} #{kind}</h1>")
         end
 
+        # Add a title to the homepage of the v2 docs
+        if subpath == 'index.html' && at_css('.main-content > h1').nil?
+          at_css('.main-content').prepend_child('<h1>Dart SDK</h1>')
+        end
+
+        # Add the library to the main content (it is not always visible in the menu entry)
+        breadcrumbs = at_css('.breadcrumbs').css('li:not(.self-crumb) > a')
+        if breadcrumbs.length > 1
+          library = breadcrumbs[1].content
+
+          # Generate the link to the homepage of the library
+          with_hypens = library.gsub(/:/, '-')
+          location = "#{'../' * subpath.count('/')}#{with_hypens}/#{with_hypens}-library"
+          link = "<a href=\"#{location}\" class=\"_links-link\">#{library}</span>"
+
+          # Add the link to the main title, just like how the "Homepage" and "Source code" links appear
+          at_css('.main-content').prepend_child("<p class=\"_links\">#{link}</p>")
+        end
+
         # Extract the actual content
         # We can't use options[:container] here because the entries filter uses the breadcrumbs node
         @doc = at_css('.main-content')