From 7c9847e97c03ecd535b93008749a371d7a7830f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=AD=A6=E7=94=B0=20=E6=86=B2=E5=A4=AA=E9=83=8E?=
 <takeda@youmind.jp>
Date: Sun, 7 Apr 2024 23:16:51 +0900
Subject: [PATCH] fix: `canonical` of pages without `permalink` is the `en`
 version

---
 scripts/helpers.js                  | 2 +-
 themes/navy/layout/partial/head.njk | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/helpers.js b/scripts/helpers.js
index 7eb267641a..1d082fc54b 100644
--- a/scripts/helpers.js
+++ b/scripts/helpers.js
@@ -83,7 +83,7 @@ hexo.extend.helper.register('header_menu', function(className) {
 hexo.extend.helper.register('canonical_url', function(lang) {
   const slugs = this.page.path.split('/').filter(v => v !== '');
 
-  if (Object.keys(this.site.data.languages).includes(slugs.at(0))) {
+  if (Object.keys(this.site.data.languages).includes(slugs[0])) {
     slugs.shift();
   }
   if (lang !== 'en') {
diff --git a/themes/navy/layout/partial/head.njk b/themes/navy/layout/partial/head.njk
index 34ff677165..557ee4339c 100644
--- a/themes/navy/layout/partial/head.njk
+++ b/themes/navy/layout/partial/head.njk
@@ -4,7 +4,7 @@
   <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <!-- Canonical links -->
-  <link rel="canonical" href="{{ page.permalink }}">
+  <link rel="canonical" href="{{ page.permalink | default(canonical_url('en'), true) }}">
   <!-- Alternate links -->
   {% if page.layout == 'page' or page.layout == 'index' %}
     {% for lang, value in site.data.languages %}