From 841f2650c614dd9b5f4a60526d47e7beac763f90 Mon Sep 17 00:00:00 2001
From: svemagie <869694+svemagie@users.noreply.github.com>
Date: Thu, 12 Mar 2026 11:36:46 +0100
Subject: [PATCH] fix: normalize category/tags arrays in isListed and
 excludeWhereNotes to prevent .map errors

---
 _includes/components/sections/recent-posts.njk | 9 +++++++++
 eleventy.config.js                             | 9 +++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/_includes/components/sections/recent-posts.njk b/_includes/components/sections/recent-posts.njk
index 56afddb..2719beb 100644
--- a/_includes/components/sections/recent-posts.njk
+++ b/_includes/components/sections/recent-posts.njk
@@ -22,6 +22,15 @@
 
   <ul class="post-list">
     {% for post in listedPosts | head(maxItems) %}
+      {% set rawVisibility = post.data.visibility or post.data.properties.visibility %}
+      {% set visibility = (rawVisibility is array) ? rawVisibility[0] : rawVisibility %}
+      {% set categories = post.data.category is string ? [post.data.category] : post.data.category or [] %}
+      {% set tags = post.data.tags is string ? [post.data.tags] : post.data.tags or [] %}
+      {% set allTags = (categories + tags) | map('lower') %}
+      {% if visibility == 'private' or allTags.includes('where') or allTags.includes('loc') %}
+        {# Skip private and where/Loc posts #}
+        {% continue %}
+      {% endif %}
     {# Detect post type from frontmatter properties #}
     {% set likedUrl = post.data.likeOf or post.data.like_of %}
     {% set bookmarkedUrl = post.data.bookmarkOf or post.data.bookmark_of %}
diff --git a/eleventy.config.js b/eleventy.config.js
index f975fd9..daa1ec4 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -918,7 +918,10 @@ export default function (eleventyConfig) {
     const data = item?.data || {};
     const rawVisibility = data.visibility ?? data.properties?.visibility;
     const visibility = Array.isArray(rawVisibility) ? rawVisibility[0] : rawVisibility;
-    const tags = (data.category || data.tags || []).map(t => typeof t === 'string' ? t.toLowerCase() : '');
+    // Normalize category and tags to arrays
+    const categories = Array.isArray(data.category) ? data.category : (data.category ? [data.category] : []);
+    const tagsArr = Array.isArray(data.tags) ? data.tags : (data.tags ? [data.tags] : []);
+    const tags = [...categories, ...tagsArr].map(t => typeof t === 'string' ? t.toLowerCase() : '');
     // Exclude unlisted, private, and where/Loc notes
     if (["unlisted", "private"].includes(String(visibility ?? "").toLowerCase())) return false;
     if (tags.includes("where") || tags.includes("loc")) return false;
@@ -930,7 +933,9 @@ export default function (eleventyConfig) {
     if (!Array.isArray(posts)) return [];
     return posts.filter(item => {
       const data = item?.data || {};
-      const tags = (data.category || data.tags || []).map(t => typeof t === 'string' ? t.toLowerCase() : '');
+      const categories = Array.isArray(data.category) ? data.category : (data.category ? [data.category] : []);
+      const tagsArr = Array.isArray(data.tags) ? data.tags : (data.tags ? [data.tags] : []);
+      const tags = [...categories, ...tagsArr].map(t => typeof t === 'string' ? t.toLowerCase() : '');
       return !tags.includes("where") && !tags.includes("loc");
     });
   });