fix: step-1 crashing (#44561)

2021-12-23 00:51:03 -06:00 · 2021-12-23 00:51:03 -06:00 · 075bc04a2b
parent 9b15d47566
commit 075bc04a2b
1 changed files with 2 additions and 2 deletions
--- a/client/src/templates/Challenges/classic/editor.tsx
+++ b/client/src/templates/Challenges/classic/editor.tsx
@ -907,8 +907,8 @@ const Editor = (props: EditorProps): JSX.Element => {
    if (!previewOpen && showProjectPreview) {
      const description = document.getElementsByClassName(
        'description-container'
-      )[0];
-      description.classList.add('description-highlighter');
+      )?.[0];
+      description?.classList.add('description-highlighter');
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [props.previewOpen]);