Detect whether page is list page

content/nested/sibling.md

@@ -0,0 +1 @@
+# Sibling

hooks/nav.py

@@ -0,0 +1,8 @@
+def is_list_page(page) -> bool:
+    if not page.parent:
+        return False
+
+    return page.parent.children[0] == page
+
+def on_env(env, config, files):
+    env.filters["is_list_page"] = is_list_page

mkdocs.yml

@@ -5,3 +5,6 @@ strict: true
 theme:
   name: null
   custom_dir: theme
+
+hooks:
+  - hooks/nav.py

theme/main.html

@@ -1,3 +1,10 @@
 {{ page.content }}
 
-{{ nav }}
+Nav: {{ nav }}
+
+Parent: {{ page.parent }}
+Section: {{ page.is_section }}
+
+Is lits page: {{ page|is_list_page }}
+
+Children: {{ page.children }}