Add function to get page URL

This is much easier to work with

hooks/nav.py

@@ -1,4 +1,5 @@
 import jinja2
+from mkdocs.utils.templates import url_filter
 
 def is_list_page(page) -> bool:
     if not page.parent:
@@ -19,7 +20,17 @@ def get_page(context, slug):
             return page
     return None
 
+@jinja2.pass_context
+def get_page_url(context, slug):
+    page = get_page(context, slug)
+
+    if page is None:
+        return None
+
+    return url_filter(context, page.url)
+
 def on_env(env, config, files):
     env.filters["is_list_page"] = is_list_page
     env.filters["children"] = children
     env.globals["get_page"] = get_page
+    env.globals["get_page_url"] = get_page_url

theme/main.html

@@ -13,6 +13,8 @@ Children: {{ page|children }}
 
 Found page: {{ tag_1_page }}
 
+URL: {{ get_page_url("tags/tag1.md") }}
+
 Image resized: {{ "./assets/test.jpg"|resize_image(1500) }}
 
 Globals: {{ globals.foo }}