Update D3.js documentation (3.4.8)

lib/docs/filters/d3/clean_html.rb

@@ -4,15 +4,15 @@ module Docs
       def call
         # Remove links inside <h2> and add "id" attributes
         css('h2 > a').each do |node|
-          node.parent['id'] = node['name'].remove('wiki-') if node['name']
+          node.parent['id'] = node['name'].remove('user-content-') if node['name']
           node.before(node.children).remove
         end
 
-        css('#gollum-footer', '.markdown-body > blockquote:first-child', '.anchor').remove
+        css('.markdown-body > blockquote:first-child', '.anchor').remove
 
-        # Replace #head with <h1>
-        css('#head > h1').each do |node|
-          node.parent.before(node).remove
+        # Replace .gh-header with <h1>
+        css('.gh-header-title').each do |node|
+          node.parent.parent.before(node).remove
           node.content = 'D3.js' if root_page?
         end
 
@@ -26,14 +26,14 @@ module Docs
           next unless node['name'] || node.content == '#'
           parent = node.parent
           parent.name = 'h6'
-          parent['id'] = (node['name'] || node['href'].remove(/\A.+#/)).remove('wiki-')
+          parent['id'] = (node['name'] || node['href'].remove(/\A.+#/)).remove('user-content-')
           parent.css('a[name]').remove
           node.remove
         end
 
         # Fix internal links
         css('a[href]').each do |node|
-          node['href'] = node['href'].sub(/#wiki\-(\w+?)\z/, '#\1')
+          node['href'] = node['href'].sub(/#user\-content\-(\w+?)\z/, '#\1').sub(/#wiki\-(\w+?)\z/, '#\1')
         end
 
         # Remove code highlighting

lib/docs/filters/d3/entries.rb

@@ -11,8 +11,9 @@ module Docs
 
       def additional_entries
         css('h6[id]').inject [] do |entries, node|
-          name = node.content
+          name = node.content.strip
           name.remove! %r{\(.*\z}
+          name.sub! %r{\A(svg:\w+)\s+.+}, '\1'
           entries << [name, node['id']] unless name == entries.last.try(:first)
           entries
         end

lib/docs/scrapers/d3.rb

@@ -3,7 +3,7 @@ module Docs
     self.name = 'D3.js'
     self.slug = 'd3'
     self.type = 'd3'
-    self.version = '3.4.6'
+    self.version = '3.4.8'
     self.base_url = 'https://github.com/mbostock/d3/wiki/'
     self.root_path = 'API-Reference'