From 34edadcbb7121f0273603ed9004231336a8751c2 Mon Sep 17 00:00:00 2001
From: Matteias Collet <matteias.collet@bluewin.ch>
Date: Wed, 31 Mar 2021 23:06:05 +0200
Subject: [PATCH] fix scroll helper

---
 site/.vuepress/enhanceApp.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/site/.vuepress/enhanceApp.js b/site/.vuepress/enhanceApp.js
index 3c41d42..10fc222 100755
--- a/site/.vuepress/enhanceApp.js
+++ b/site/.vuepress/enhanceApp.js
@@ -13,12 +13,15 @@ export default ({
   if (typeof document === 'undefined') return;
   document.onreadystatechange = () => {
     if (document.readyState === 'complete') {
-      const { hash } = location;
-      const decoded = decodeURIComponent(hash);
-      const targetAnchor = document.querySelector(decoded) ?? document.querySelector(hash);
+      if (location.hash && location.hash.length > 0) {
+        const { hash } = location;
 
-      if (targetAnchor && targetAnchor.offsetTop) {
-        window.scrollTo({ top: targetAnchor.offsetTop, behavior: 'smooth' });
+        const decoded = decodeURIComponent(hash);
+        const targetAnchor = document.querySelector(decoded) ?? document.querySelector(hash);
+
+        if (targetAnchor && targetAnchor.offsetTop) {
+          window.scrollTo({ top: targetAnchor.offsetTop, behavior: 'smooth' });
+        }
       }
     }
   };