From 73d8a8ca430a68db2e3d4b4327da1a1e676d0c9d Mon Sep 17 00:00:00 2001
From: Reshma R <reshmareshu045@gmail.com>
Date: Tue, 1 Jul 2025 23:27:47 +0900
Subject: [PATCH 1/3] Fixes #881

---
 src/layouts/ReferenceLayout.astro | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/layouts/ReferenceLayout.astro b/src/layouts/ReferenceLayout.astro
index b3df8d82c7..2ca9cc45ca 100644
--- a/src/layouts/ReferenceLayout.astro
+++ b/src/layouts/ReferenceLayout.astro
@@ -140,10 +140,30 @@ const jumpCategoryData = categoryData.length === 1
   ? [...categoryData, ...categoryData[0].subcats]
   : categoryData;
 
-const pageJumpToLinks: JumpToLink[] = jumpCategoryData.map((category) => ({
-  label: category.name as string,
-  url: `#${category.name}`,
-}));
+const pageJumpToLinks: JumpToLink[] = jumpCategoryData
+  .map((categoryItem) => ({
+    label: categoryItem.name as string,
+    url: `#${categoryItem.name}`,
+  }))
+  .filter((link, index) => {
+    if (link.label === undefined) {
+      // When categoryData.length is 1 (e.g., on /reference/p5.sound/),
+      // jumpCategoryData is [mainCategory, ...mainCategory.subcats].
+      // The first subcategory often has an undefined name and represents general entries
+      // listed directly under the main category heading.
+      // jumpCategoryData[0] links to the main category (e.g., "p5.sound" -> "#p5.sound").
+      // jumpCategoryData[1] would be this link with an undefined label.
+      // Since its content is covered by the main category link, this link is redundant.
+      if (categoryData.length === 1 && index === 1) {
+        return false; // Remove this redundant link
+      }
+      // Fallback for any other unexpected undefined labels from this layout.
+      // This ensures no link generated by this logic is truly empty.
+      // A more descriptive label should ideally be formed if these cases are known.
+      link.label = uiTranslations["Details"] || "Details";
+    }
+    return true;
+  });
 
 const pageJumpToState: JumpToState = {
   links: pageJumpToLinks,

From ea3db86848f5207492dc9f868f3cb609a92dd1ae Mon Sep 17 00:00:00 2001
From: Reshma R <77575603+reshma045@users.noreply.github.com>
Date: Sun, 6 Jul 2025 12:11:45 +0900
Subject: [PATCH 2/3] Update ReferenceLayout.astro

---
 src/layouts/ReferenceLayout.astro | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/src/layouts/ReferenceLayout.astro b/src/layouts/ReferenceLayout.astro
index 2ca9cc45ca..eab6eba024 100644
--- a/src/layouts/ReferenceLayout.astro
+++ b/src/layouts/ReferenceLayout.astro
@@ -145,22 +145,12 @@ const pageJumpToLinks: JumpToLink[] = jumpCategoryData
     label: categoryItem.name as string,
     url: `#${categoryItem.name}`,
   }))
-  .filter((link, index) => {
+   .filter((link, index) => {
     if (link.label === undefined) {
-      // When categoryData.length is 1 (e.g., on /reference/p5.sound/),
-      // jumpCategoryData is [mainCategory, ...mainCategory.subcats].
-      // The first subcategory often has an undefined name and represents general entries
-      // listed directly under the main category heading.
-      // jumpCategoryData[0] links to the main category (e.g., "p5.sound" -> "#p5.sound").
-      // jumpCategoryData[1] would be this link with an undefined label.
-      // Since its content is covered by the main category link, this link is redundant.
-      if (categoryData.length === 1 && index === 1) {
-        return false; // Remove this redundant link
-      }
-      // Fallback for any other unexpected undefined labels from this layout.
-      // This ensures no link generated by this logic is truly empty.
-      // A more descriptive label should ideally be formed if these cases are known.
-      link.label = uiTranslations["Details"] || "Details";
+      return false; // Completely remove all undefined labels
+    }
+    if (categoryData.length === 1 && index === 1) {
+      return false; // Specifically remove the redundant subcat under main cat
     }
     return true;
   });

From 4cd7ebcac2536918233a15901916f018538f2a46 Mon Sep 17 00:00:00 2001
From: Reshma R <reshmareshu045@gmail.com>
Date: Wed, 23 Jul 2025 17:52:59 +0900
Subject: [PATCH 3/3] issue properly fixed

---
 src/layouts/ReferenceLayout.astro | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/src/layouts/ReferenceLayout.astro b/src/layouts/ReferenceLayout.astro
index eab6eba024..3a952b922a 100644
--- a/src/layouts/ReferenceLayout.astro
+++ b/src/layouts/ReferenceLayout.astro
@@ -141,19 +141,11 @@ const jumpCategoryData = categoryData.length === 1
   : categoryData;
 
 const pageJumpToLinks: JumpToLink[] = jumpCategoryData
-  .map((categoryItem) => ({
-    label: categoryItem.name as string,
-    url: `#${categoryItem.name}`,
-  }))
-   .filter((link, index) => {
-    if (link.label === undefined) {
-      return false; // Completely remove all undefined labels
-    }
-    if (categoryData.length === 1 && index === 1) {
-      return false; // Specifically remove the redundant subcat under main cat
-    }
-    return true;
-  });
+  .filter((category) => !!category.name)  // REMOVE undefined ones
+  .map((category) => ({
+    label: category.name as string,
+    url: `#${category.name}`,
+  }));
 
 const pageJumpToState: JumpToState = {
   links: pageJumpToLinks,