From 14ab203ca9492fb2a24969627e106d3477ca94f1 Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Tue, 7 Jan 2025 21:42:13 +0100
Subject: [PATCH 1/2] Fix collapsing toc when clicking on a nested page

---
 src/Elastic.Markdown/_static/shibuya.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/Elastic.Markdown/_static/shibuya.js b/src/Elastic.Markdown/_static/shibuya.js
index 4a69c30ee..a1025f24f 100644
--- a/src/Elastic.Markdown/_static/shibuya.js
+++ b/src/Elastic.Markdown/_static/shibuya.js
@@ -14,3 +14,28 @@ iconify-icon/dist/iconify-icon.mjs:
   * @version 2.1.0
   *)
 */
+
+/**
+ * Expands all collapsed parent sections in the navigation tree that contain the current page link.
+ * This ensures the current page is visible in the navigation by opening all ancestor collapsible sections.
+ * The function works by:
+ * 1. Finding the navigation link matching the current page URL
+ * 2. Walking up the DOM tree from that link
+ * 3. Expanding any collapsed parent sections by toggling their CSS classes
+ */
+function expandCurrentPage() {
+  const currentPathname = window.location.pathname;
+  const currentLink = document.querySelector(`a[href="${currentPathname}"]`);
+  if (currentLink) {
+    let parent = currentLink.parentElement;
+    while (parent) {
+      if (parent.classList && parent.classList.contains('_collapse')) {
+        parent.classList.remove('_collapse');
+        parent.classList.add('_expand');
+      }
+      parent = parent.parentElement;
+    }
+  }
+}
+
+expandCurrentPage();
\ No newline at end of file

From 2f34a6e0a7575509a8f950015fb2a67ed45c4bb8 Mon Sep 17 00:00:00 2001
From: Jan Calanog <jan.calanog@elastic.co>
Date: Tue, 7 Jan 2025 21:56:22 +0100
Subject: [PATCH 2/2] Add newline at EOF

---
 src/Elastic.Markdown/_static/shibuya.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Elastic.Markdown/_static/shibuya.js b/src/Elastic.Markdown/_static/shibuya.js
index a1025f24f..b2dc6de01 100644
--- a/src/Elastic.Markdown/_static/shibuya.js
+++ b/src/Elastic.Markdown/_static/shibuya.js
@@ -38,4 +38,4 @@ function expandCurrentPage() {
   }
 }
 
-expandCurrentPage();
\ No newline at end of file
+expandCurrentPage();