Removing current page code from sidebar.js

docs/src/_includes/partials/sidebar.njk

@@ -1,6 +1,43 @@
 {% from "sidebar.njk" import sidebar %}
 {% from "popover.njk" import popover %}
 
+<script>
+  (() => {
+    document.addEventListener('DOMContentLoaded', () => {
+      const sidebar = document.getElementById('sidebar');
+      if (!sidebar) return;
+
+      const updateCurrentLinks = () => {
+        const currentPath = window.location.pathname.replace(/\/$/, '');
+        const currentSearch = window.location.search;
+        const currentKey = `${currentPath}${currentSearch}`;
+
+        sidebar.querySelectorAll('a, button').forEach((item) => {
+          const href = item.getAttribute('href');
+          if (!href) {
+            item.removeAttribute('aria-current');
+            return;
+          }
+
+          const url = new URL(href, window.location.origin);
+          const itemPath = url.pathname.replace(/\/$/, '');
+          const itemKey = `${itemPath}${url.search}`;
+
+          if (itemKey === currentKey) {
+            item.setAttribute('aria-current', 'page');
+          } else {
+            item.removeAttribute('aria-current');
+          }
+        });
+      };
+
+      document.addEventListener('htmx:afterSettle', updateCurrentLinks);
+      window.addEventListener('popstate', updateCurrentLinks);
+      updateCurrentLinks();
+    });
+  })();
+</script>
+
 {% set footer %}
 {% set trigger %}
 <img src="https://github.com/hunvreus.png" class="rounded-lg shrink-0 size-8">
@@ -136,4 +173,4 @@
   footer=footer,
   content_attrs={ "class": "scrollbar [&_[data-new-link]::after]:content-['New'] [&_[data-new-link]::after]:ml-auto [&_[data-new-link]::after]:text-xs [&_[data-new-link]::after]:font-medium [&_[data-new-link]::after]:bg-sidebar-primary [&_[data-new-link]::after]:text-sidebar-primary-foreground [&_[data-new-link]::after]:px-2 [&_[data-new-link]::after]:py-0.5 [&_[data-new-link]::after]:rounded-md" },
   menu=menu
-) }}
+) }}