From b70d72928367b1c9bb3fe8aee3bd123b7e7f4cbe Mon Sep 17 00:00:00 2001
From: XUE <46087743+xue68@users.noreply.github.com>
Date: Sun, 3 Nov 2024 21:47:31 +0800
Subject: [PATCH] fix: restore the sidebar position to make the selected entry
 showed

---
 assets/js/sidebar.js | 39 +++++++++++++++++++++++----------------
 1 file changed, 23 insertions(+), 16 deletions(-)

diff --git a/assets/js/sidebar.js b/assets/js/sidebar.js
index 65f7b15..7bb2e0f 100644
--- a/assets/js/sidebar.js
+++ b/assets/js/sidebar.js
@@ -1,5 +1,5 @@
 document.addEventListener("DOMContentLoaded", function () {
-  scrollToActiveItem();
+  restoreSidebarPosition();
   enableCollapsibles();
 });
 
@@ -16,21 +16,28 @@ function enableCollapsibles() {
   });
 }
 
-function scrollToActiveItem() {
+function saveSidebarPosition() {
   const sidebarScrollbar = document.querySelector("aside.sidebar-container > .hextra-scrollbar");
-  const activeItems = document.querySelectorAll(".sidebar-active-item");
-  const visibleActiveItem = Array.from(activeItems).find(function (activeItem) {
-    return activeItem.getBoundingClientRect().height > 0;
-  });
-
-  if (!visibleActiveItem) {
-    return;
+  if (sidebarScrollbar) {
+    const scrollPosition = sidebarScrollbar.scrollTop;
+    sessionStorage.setItem('sidebarScrollPosition', scrollPosition);
   }
-
-  const yOffset = visibleActiveItem.clientHeight;
-  const yDistance = visibleActiveItem.getBoundingClientRect().top - sidebarScrollbar.getBoundingClientRect().top;
-  sidebarScrollbar.scrollTo({
-    behavior: "instant",
-    top: yDistance - yOffset
-  });
 }
+
+function restoreSidebarPosition() {
+  const sidebarScrollbar = document.querySelector("aside.sidebar-container > .hextra-scrollbar");
+  if (sidebarScrollbar) {
+    const savedPosition = sessionStorage.getItem('sidebarScrollPosition');
+    
+    if (savedPosition !== null) {
+      sidebarScrollbar.scrollTo({
+        top: parseInt(savedPosition),
+        behavior: 'instant'
+      });
+    }
+
+    sidebarScrollbar.addEventListener('scroll', function() {
+      saveSidebarPosition();
+    });
+  }
+}
\ No newline at end of file