1 files changed, 66 insertions, 0 deletions
diff --git a/docs/_plugins/JekyllMarkdownLinkConverter/converter.rb b/docs/_plugins/JekyllMarkdownLinkConverter/converter.rb
new file mode 100644
index 000000000..95b8f1fb4
--- /dev/null
+++ b/docs/_plugins/JekyllMarkdownLinkConverter/converter.rb
@@ -0,0 +1,66 @@
+# We need to be placed in Kramdown::Converter.
+# When calling a method on a Kramdown document of the form "to_****",
+# Kramdown will shave off the "****" portion, Pascal-case it, and
+# look for a class of that name in Kramdown::Converter.
+# See https://github.com/gettalong/kramdown/blob/05d467bfb9abb732046e441ef1958471195d665d/lib/kramdown/document.rb#L113-L116
+module Kramdown
+    module Converter
+        # Fixes relative markdown links to point to their dash-separated, lowercased html outputs
+        class MarkdownLinkAmendedHtml < Html
+            def convert_a(el, indent)
+                href = el.attr['href']
+                # Ensure that the link is relative to the site (doesn't start with "protocol://")
+                # and that it links to a markdown file.
+                if not /^\w+?:\/\// =~ href and href.end_with?('.md')
+                    # Duplicate the attributes to avoid modifying the tree.
+                    attr = el.attr.dup
+
+                    # Remove the 'md', replace whitespace with dashes, switch the extension to html
+                    dir, md_base = File.split(href)
+                    html_base = md_base.chomp('.md').gsub(/\s+|\.|'/, '-').downcase + '.html'
+                    attr['href'] = File.join(dir, html_base)
+
+                    self.format_as_span_html(el.type, attr, self.inner(el, indent))
+                else
+                    super(el, indent)
+                end
+            end
+        end
+    end
+end
+
+# One requirement for Jekyll not to freak out
+# is that we need to be in the Jekyll::Converters::Markdown
+# module to be a valid markdown converter.
+module Jekyll
+    class Converters::Markdown::JekyllMarkdownLinkConverter < Converter
+        safe true
+
+        # Match markdown files.
+        def matches(ext)
+            ext =~ /^\.md$/i
+        end
+
+        # Output html files.
+        def output_ext(ext)
+            '.html'
+        end
+
+        def convert(content)
+            kramdown_config = symbolize_keys(@config['kramdown'])
+            doc = Kramdown::Document.new(content, kramdown_config)
+            html = doc.to_markdown_link_amended_html
+            return html;
+        end
+    end
+end
+
+def symbolize_keys(input)
+    result = {}
+
+    input.each do |k,v|
+        result[k.intern] = v
+    end
+
+    result
+end
+\ No newline at end of file