fix(theme): error when click anchor

umijs · Mar 2, 2020 · 75f7134 · 75f7134
1 parent 24111cd
commit 75f7134
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/preset-dumi/src/themes/default/SlugList.tsx b/packages/preset-dumi/src/themes/default/SlugList.tsx
@@ -25,7 +25,7 @@ const SlugsList: FC<ISlugsListProps> = ({ className, slugs, base }) => {
  const listElm = useRef<HTMLUListElement>(null);
 
  function handleAnchorClick(ev, id) {
- if (scrollToSlug(id) && listElm.current?.offsetParent.scrollTop < ev.target.offsetTop) {
+ if (scrollToSlug(id) && listElm.current?.offsetParent?.scrollTop < ev.target.offsetTop) {
  listElm.current.offsetParent.scrollTop = ev.target.offsetTop;
  }
  }