Only use the hljs-ln class when can highlight the code (mattermost#4313)

Revanth47 · Nov 27, 2019 · f3eafe1 · f3eafe1
1 parent d6ec9ac
commit f3eafe1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/utils/markdown/renderer.jsx b/utils/markdown/renderer.jsx
@@ -34,7 +34,7 @@ export default class Renderer extends marked.Renderer {
 
  let className = 'post-code';
  let codeClassName = 'hljs hljs-ln';
- if (!usedLanguage) {
+ if (!SyntaxHighlighting.canHighlight(usedLanguage)) {
  className += ' post-code--wrap';
  codeClassName = 'hljs';
  }