fix(rdmd): don't set scrollTop if el is undefined (#793)

readmeio · Jun 12, 2020 · fc804bd · fc804bd
1 parent ea7f9f5
commit fc804bd
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/packages/markdown/components/Image/index.jsx b/packages/markdown/components/Image/index.jsx
@@ -35,9 +35,10 @@ class Image extends React.Component {
 
   lightboxSetup() {
     const $el = this.lightbox.current;
-    setTimeout(() => {
-      $el.scrollTop = ($el.scrollHeight - $el.offsetHeight) / 2;
-    }, 0);
+    if ($el)
+      setTimeout(() => {
+        $el.scrollTop = ($el.scrollHeight - $el.offsetHeight) / 2;
+      }, 0);
   }
 
   handleKey(e) {