fix https://github.com/nunocoracao/blowfish/issues/1474

layouts/partials/toc.html

@@ -1,10 +1,11 @@
-<details open class="toc-right mt-0 overflow-hidden rounded-lg ltr:-ml-5 ltr:pl-5 rtl:-mr-5 rtl:pr-5 hidden lg:block">
+<details open id="TOCView"
+  class="toc-right mt-0 overflow-hidden overscroll-contain scrollbar scrollbar-thin scrollbar-track-neutral-200 scrollbar-thumb-neutral-400 dark:scrollbar-track-neutral-800 dark:scrollbar-thumb-neutral-600 rounded-lg ltr:-ml-5 ltr:pl-5 rtl:-mr-5 rtl:pr-5 hidden lg:block">
   <summary
     class="block py-1 text-lg font-semibold cursor-pointer bg-neutral-100 text-neutral-800 ltr:-ml-5 ltr:pl-5 rtl:-mr-5 rtl:pr-5 dark:bg-neutral-700 dark:text-neutral-100 lg:hidden">
     {{ i18n "article.table_of_contents" }}
   </summary>
   <div
-    class="min-w-[220px] py-2 border-dotted border-neutral-300 ltr:-ml-5 ltr:border-l ltr:pl-5 rtl:-mr-5 rtl:border-r rtl:pr-5 dark:border-neutral-600">
+    class="min-w-[220px] py-2 border-dotted ltr:-ml-5 ltr:border-l ltr:pl-5 rtl:-mr-5 rtl:border-r rtl:pr-5 dark:border-neutral-600">
     {{ .TableOfContents | emojify }}
   </div>
 </details>
@@ -19,8 +20,34 @@
   </div>
 </details>
 
-{{ if .Site.Params.smartTOC }} 
 <script>
+
+  var overflowOn = false;
+
+  (function () {
+    var $window = $(window);
+    var $toc = $('#TOCView');
+
+    console.log($toc)
+
+    function onResize() {
+      var windowheight = $window.height() - 150;
+      if($toc.height() > windowheight) {
+        $toc.css("overflow-y", "scroll")
+        overflowOn = true;
+      } else {
+        $toc.css("overflow-y", "hidden")
+      }
+      $toc.css("max-height", windowheight + "px")
+
+    }
+
+    $window.on('resize', onResize);
+    $(document).ready(onResize);
+  })();
+
+{{ if .Site.Params.smartTOC }}
+
   (function () {
     var $toc = $('#TableOfContents');
     if ($toc.length > 0) {
@@ -61,5 +88,6 @@
       });
     }
   })();
-</script>
 {{ end }}
+
+</script>