From 047fede4e336fdc5a7c1023bd3951e4af98fe87e Mon Sep 17 00:00:00 2001
From: Splines <dominic-plein@gmx.de>
Date: Fri, 22 Mar 2024 11:16:04 +0100
Subject: [PATCH] Fix amplitude of heatmap if no annotations are present

---
 app/assets/javascripts/thyme/heatmap.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/thyme/heatmap.js b/app/assets/javascripts/thyme/heatmap.js
index de6a47866..2bf0ed887 100644
--- a/app/assets/javascripts/thyme/heatmap.js
+++ b/app/assets/javascripts/thyme/heatmap.js
@@ -69,8 +69,8 @@ class Heatmap {
         }
       }
     }
-    const maxValue = Math.max.apply(Math, pixelsAll);
-    const amplitude = maxHeight * (1 / maxValue);
+    const maxValue = Math.max(...pixelsAll);
+    const amplitude = maxValue != 0 ? maxHeight * (1 / maxValue) : 0;
 
     /*
        Construct heatmap SVG