From 0b9134ab19f0d691cf9c7646d22a4a756150c9f1 Mon Sep 17 00:00:00 2001
From: kptdobe <acapt@adobe.com>
Date: Fri, 13 Dec 2024 15:24:02 +0100
Subject: [PATCH] fix: Math.max crashes if too many deltas

---
 tools/oversight/slicer.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/oversight/slicer.js b/tools/oversight/slicer.js
index f9a826b5..890300b2 100644
--- a/tools/oversight/slicer.js
+++ b/tools/oversight/slicer.js
@@ -71,7 +71,8 @@ dataChunks.addSeries('timeOnPage', (bundle) => {
   if (deltas.length === 0) {
     return undefined;
   }
-  return Math.max(...deltas) / 1000;
+  // get max delta and divide by 1000 to get seconds
+  return (deltas.reduce((a, b) => Math.max(a, b), -Infinity)) / 1000;
 });
 
 dataChunks.addSeries('contentEngagement', (bundle) => {