1 files changed, 17 insertions, 0 deletions
diff --git a/lib/gitlab/diff/inline_diff_markdown_marker.rb b/lib/gitlab/diff/inline_diff_markdown_marker.rb
new file mode 100644
index 00000000000..c2a2eb15931
--- /dev/null
+++ b/lib/gitlab/diff/inline_diff_markdown_marker.rb
@@ -0,0 +1,17 @@
+module Gitlab
+  module Diff
+    class InlineDiffMarkdownMarker < Gitlab::StringRangeMarker
+      MARKDOWN_SYMBOLS = {
+        addition: "+",
+        deletion: "-"
+      }.freeze
+
+      def mark(line_inline_diffs, mode: nil)
+        super(line_inline_diffs) do |text, left:, right:|
+          symbol = MARKDOWN_SYMBOLS[mode]
+          "{#{symbol}#{text}#{symbol}}"
+        end
+      end
+    end
+  end
+end