1 files changed, 42 insertions, 0 deletions
diff --git a/lib/banzai/filter/markdown_engines/glfm_markdown.rb b/lib/banzai/filter/markdown_engines/glfm_markdown.rb
new file mode 100644
index 00000000000..40539ac7961
--- /dev/null
+++ b/lib/banzai/filter/markdown_engines/glfm_markdown.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'glfm_markdown'
+
+# Use the glfm_markdown gem (https://gitlab.com/gitlab-org/ruby/gems/gitlab-glfm-markdown)
+# to interface with the Rust based `comrak` parser
+# https://github.com/kivikakk/comrak
+module Banzai
+  module Filter
+    module MarkdownEngines
+      class GlfmMarkdown < Base
+        OPTIONS = {
+          autolink: true,
+          footnotes: true,
+          full_info_string: true,
+          github_pre_lang: true,
+          hardbreaks: false,
+          relaxed_autolinks: false,
+          sourcepos: true,
+          smart: false,
+          strikethrough: true,
+          table: true,
+          tagfilter: false,
+          tasklist: false, # still handled by a banzai filter/gem
+          unsafe: true
+        }.freeze
+
+        def render(text)
+          ::GLFMMarkdown.to_html(text, options: render_options)
+        end
+
+        private
+
+        def render_options
+          sourcepos_disabled? ? OPTIONS.merge(sourcepos: false) : OPTIONS
+        end
+      end
+    end
+  end
+end
+
+Banzai::Filter::MarkdownEngines::GlfmMarkdown.prepend_mod