From 513f54bb2ec027fce371005c1f52f5ffb1a0ca6f Mon Sep 17 00:00:00 2001
From: Ellpeck <me@ellpeck.de>
Date: Wed, 31 Mar 2021 02:55:17 +0200
Subject: [PATCH] only link to posts with the same main category

---
 node/blog.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/node/blog.js b/node/blog.js
index 00ab6a7..a3dfd17 100644
--- a/node/blog.js
+++ b/node/blog.js
@@ -76,7 +76,8 @@ function getAdjacentPost(json, index, move) {
         let post = json[index];
         if (!post)
             break;
-        if (post.cat.includes(cat) && !post.archived)
+        // only link to posts with the same main category
+        if (post.cat[0] === cat && !post.archived)
             return post;
     }
 }
\ No newline at end of file