chore: update code comment

src/components/Footer.astro

@@ -24,7 +24,7 @@ const year = Number(startYear) === currentYear
     className,
   ]}
 >
-  <!-- Only show on desktop -->
+  <!-- Desktop widget -->
   <div class="mb-11.5 ml-1.5 hidden gap-7 lg:flex">
     <ThemeToggle />
     <LanguageSwitcher supportedLangs={supportedLangs} />

src/components/Widgets/LanguageSwitcher.astro

@@ -1,4 +1,5 @@
 ---
+import { moreLocales } from '@/config'
 import { getNextGlobalLangPath, getNextSupportedLangPath } from '@/i18n/path'
 import { isPostPage, isTagPage } from '@/utils/page'
 
@@ -11,6 +12,9 @@ const currentPath = Astro.url.pathname
 const isPost = isPostPage(currentPath)
 const isTag = isTagPage(currentPath)
 
+// Check if there are other languages to switch
+const showLanguageSwitcher = moreLocales.length > 0
+
 // Check if only the supported language switch list is used
 const useSupportedLangs = isPost || (isTag && supportedLangs.length > 0)
 
@@ -20,18 +24,20 @@ const nextUrl = useSupportedLangs
   : getNextGlobalLangPath(currentPath) // Switch between all languages
 ---
 
-<a
-  href={nextUrl}
-  class="aspect-square w-4 c-secondary active:scale-90 hover:c-primary"
-  aria-label="Switch website language"
->
-  <svg
-    xmlns="http://www.w3.org/2000/svg"
-    viewBox="0 0 24 24"
-    aria-hidden="true"
-    class="h-full w-full"
-    fill="currentColor"
+{showLanguageSwitcher && (
+  <a
+    href={nextUrl}
+    class="aspect-square w-4 c-secondary active:scale-90 hover:c-primary"
+    aria-label="Switch website language"
   >
-    <path d="M19 21 12.3 2h-1L4.7 21l-2.5.2v.8h6.3v-.8L5.7 21l2-5.9h7.5l2 5.9-3.3.2v.8h7.9v-.8zM8 14.3l3.4-10.1 3.5 10.1z" />
-  </svg>
-</a>
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 24 24"
+      aria-hidden="true"
+      class="h-full w-full"
+      fill="currentColor"
+    >
+      <path d="M19 21 12.3 2h-1L4.7 21l-2.5.2v.8h6.3v-.8L5.7 21l2-5.9h7.5l2 5.9-3.3.2v.8h7.9v-.8zM8 14.3l3.4-10.1 3.5 10.1z" />
+    </svg>
+  </a>
+)}