<% # Try to parse old/new into JSON so we can properly loop over each link code old_json = JSON.parse(old_value) rescue [] new_json = JSON.parse(new_value) rescue [] %>
<%= simple_format ContentFormatterService.show( text: old_json.map { |code| "• [[#{code}]]" }.join("\n"), viewing_user: current_user ) %>
<%= simple_format ContentFormatterService.show( text: new_json.map { |code| "• [[#{code}]]" }.join("\n"), viewing_user: current_user ) %>