From 0715bba0dfbfc882bd6762a3305dd72cc29875fd Mon Sep 17 00:00:00 2001
From: Simon Legner <Simon.Legner@gmail.com>
Date: Tue, 2 Apr 2024 21:11:07 +0200
Subject: [PATCH] Fix reduce on empty array

---
 src/main.ts | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/main.ts b/src/main.ts
index 29f6097..b7c4d93 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -289,11 +289,10 @@ async function buildMarkerMap(bulletins: AvalancheBulletin[]) {
       popup.show(e.coordinate, formatBulletin(regionID, bulletin));
       return;
     }
-    const aws = eawsOutlineProperties
-      .filter((p) => regionID.startsWith(p.id))
-      .reduce((a, b) => (a.id.length > b.id.length ? a : b));
-    if (aws) {
-      popup.show(e.coordinate, formatEawsOutline(aws));
+    const aws = eawsOutlineProperties.filter((p) => regionID.startsWith(p.id));
+    if (aws.length) {
+      const a = aws.reduce((a, b) => (a.id.length > b.id.length ? a : b));
+      popup.show(e.coordinate, formatEawsOutline(a));
       return;
     }
   });