Catch CodeRay exception for invalid language

CodeRay throws an exception if you give it a language it doesn't find a plugin for. Reported as rubychan/coderay#245 Fixes openSUSE#6960 Co-authored-by: Dany Marcoux <dmarcoux@suse.com>
hennevogel · Jan 10, 2020 · 6068291 · 6068291
1 parent 2e5819d
commit 6068291
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/api/lib/obsapi/markdown_renderer.rb b/src/api/lib/obsapi/markdown_renderer.rb
@@ -40,8 +40,12 @@ def link(link, title, content)
     end
 
     def block_code(code, language)
-      language ||= :plaintext
-      CodeRay.scan(code, language).div(css: :class)
+      begin
+        language ||= :plaintext
+        CodeRay.scan(code, language).div
+      rescue ArgumentError
+        CodeRay.scan("```#{language}#{code}", :plaintext).div unless language == :plaintext
+      end
     end
   end
 end