From 9beae6c2fa890172fa0c791f51c3f50fbcd65b4d Mon Sep 17 00:00:00 2001
From: luisdralves <luisalves@untile.pt>
Date: Tue, 7 May 2024 18:35:04 +0100
Subject: [PATCH] Ensure history is never empty

---
 src/client/components/chart-cards/common/chart/index.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/components/chart-cards/common/chart/index.tsx b/src/client/components/chart-cards/common/chart/index.tsx
index 466e020..db967c5 100644
--- a/src/client/components/chart-cards/common/chart/index.tsx
+++ b/src/client/components/chart-cards/common/chart/index.tsx
@@ -46,7 +46,7 @@ export const CanvasChart = ({ total, hueOffset = 0, domain, hardDomain, data, fo
   // Record data changes
   useEffect(() => {
     if (data) {
-      while (xFromTimestamp(history.current[0][0], width) < -xMargin) {
+      while (history.current.length && xFromTimestamp(history.current[0][0], width) < -xMargin) {
         history.current.shift();
       }