From 44b138a6b730ca8c5a2cc5bb3ddbf9a5677eef8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Weber?= <mail@soeren-weber.de>
Date: Sun, 13 Feb 2022 09:32:52 +0100
Subject: [PATCH] theme: remove JS errors if no variant is defined #158

---
 layouts/partials/stylesheet.html | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/layouts/partials/stylesheet.html b/layouts/partials/stylesheet.html
index fd35d6d49e..28125cc4b8 100644
--- a/layouts/partials/stylesheet.html
+++ b/layouts/partials/stylesheet.html
@@ -21,21 +21,28 @@
       changeTheme( theme );
       function getTheme(){
         var link = document.querySelector( '#variant-style' );
+        if( !link ){
+          return;
+        }
         var path = link.getAttribute( 'href' );
         var theme = path.match(/^.*\/theme-(.*?)\.css.*$/)[ 1 ];
         return theme;
       }
       function markTheme( theme ){
         var select = document.querySelector( '#select-theme' );
-        if( select ){
-          select.value = theme;
+        if( !select ){
+          return;
         }
+        select.value = theme;
       }
       function changeTheme( theme, noanimation ){
         if( !theme ){
           return;
         }
         var link = document.querySelector( '#variant-style' );
+        if( !link ){
+          return;
+        }
         var old_path = link.getAttribute( 'href' );
         var new_path = old_path.replace( /^(.*\/theme-).*?(\.css.*)$/, '$1' + theme + '$2' );
         if( old_path != new_path ){