Update 404

serve.ts

@@ -11,7 +11,7 @@ const server = new Server({
 server.use(expires());
 server.use(notFound({
     root: `${Deno.cwd()}/_dist`,
-    page404: "/404/",
+    page404: "/en/404/index.html",
   }));
 server.use(www({
   add: false, // false to remove, true to add it.

src/404.yml

@@ -1,12 +1,13 @@
 layout: layouts/error.njk
 title: "404: Page Not Found"
 series: utility
+hidemenu: true
 lang: en
 description: |
   Sorry, the page you are looking for could not be found.
 
 content:
   title: "<span>Error 404:</span><br />Page Not Found"
-  description: Sorry, but the page you are looking for could not be found. Search below for English pages, or return home. <br>(日本語ページの検索は[日本語トップ](/)から。) 
+  description: Sorry, but the page you are looking for could not be found. Search below for English pages, or return home. <br>(日本語ページの検索は[日本語トップ](/)から。)
   button:
     title: Return Home

src/_includes/templates/doc-navbar.njk

@@ -19,5 +19,32 @@
     </ul>
   </details>
   {% endfor %}
-</nav>
 
+  {% if lang == "ja" %}
+    {% set page = search.page("url=/") %}
+    {% if page %}
+      <a class="menu-highlight" href="{{ page.data.url }}">{{ page.data.title or slug }}</a>
+    {% endif %}
+    <ul class="menu">
+    {% asyncEach item in nav.menu("/", "lang=ja hidemenu=undefined|false").children %}
+      <li>
+          {% include "templates/menu_item.njk" %}
+      </li>
+    {% endeach %}
+    </ul>
+  {% else %}
+    {% set page = search.page("url=/en/") %}
+    {% if page %}
+      <a class="menu-highlight" href="{{ page.data.url }}">{{ page.data.title or slug }}</a>
+    {% endif %}
+    <ul class="menu">
+    {% asyncEach item in nav.menu("/en/", "lang=en hidemenu=undefined|false").children %}
+      <li>
+        {% include "templates/menu_item.njk" %}
+      </li>
+    {% endeach %}
+    </ul>
+  {% endif %}
+
+
+</nav>