feat: Preventing the entire page from scrolling when sidebar auto-scr…

…olls
CUCWD · Jun 18, 2024 · 6019c01 · 6019c01
1 parent fbb062f
commit 6019c01
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/courseware/course/sidebar/sidebars/outline/OutlineSidebar.jsx b/src/courseware/course/sidebar/sidebars/outline/OutlineSidebar.jsx
@@ -17,6 +17,15 @@ function OutlineSidebar({
     unitId,
   } = useContext(SidebarContext);
   const outlineUrl = `${getConfig().SIDEBAR_MFE_BASE_URL}/${courseId}/${unitId}`;
+  const savedScrollPosition = window.scrollY;
+  let allowScroll = true;
+  window.addEventListener('scroll', () => {
+    if (allowScroll) {
+      window.scrollTo(0, savedScrollPosition);
+    }
+    allowScroll = false;
+  });
+
   return (
     <SidebarBase
       title={intl.formatMessage(messages.outlineTitle)}