From 197399f23e8a08315851487ad44be7146efc95cc Mon Sep 17 00:00:00 2001
From: Warren R Bank <warren.r.bank@gmail.com>
Date: Thu, 16 Feb 2023 05:02:40 -0800
Subject: [PATCH] [frontend] merge upstream pull request

https://github.com/bilde2910/Hauk/pull/169

validate that accuracy circle is not NULL before settings its style
---
 frontend/main.js | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/frontend/main.js b/frontend/main.js
index 6a96c56..05573e1 100644
--- a/frontend/main.js
+++ b/frontend/main.js
@@ -872,19 +872,13 @@ function processUpdate(data, init) {
                     }
                     eLastSeen.textContent = unit.split("{{time}}").join(time);
                 }
-                shares[user].circle.setStyle({
-                    fillColor: STATE_DEAD_COLOR,
-                    color: STATE_DEAD_COLOR
-                })
+                setAccuracyCircleColor(shares[user].circle, STATE_DEAD_COLOR);
             } else {
                 eArrow.className = eArrow.className.split("dead").join(shares[user].state);
                 if (eLabel !== null) eLabel.className = shares[user].state;
                 var iconColor = STATE_LIVE_COLOR;
                 if (shares[user].state == "rough") iconColor = STATE_ROUGH_COLOR;
-                shares[user].circle.setStyle({
-                    fillColor: iconColor,
-                    color: iconColor
-                });
+                setAccuracyCircleColor(shares[user].circle, iconColor);
             }
         }
     }
@@ -918,6 +912,15 @@ function getTrackColor(user) {
     return trackColor;
 }
 
+function setAccuracyCircleColor(circle, color) {
+    if( circle ) {
+        circle.setStyle({
+            fillColor: color,
+            color: color
+        });
+    }
+}
+
 // Calculates the distance between two points on a sphere using the Haversine
 // algorithm.
 function distance(from, to) {