From 90b87123fe6597e080d2ab03463f50617cd2c5dd Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 21 Aug 2021 17:31:38 -0700
Subject: Fix map switches

---
 modern/src/map/PositionsMap.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'modern/src/map/PositionsMap.js')

diff --git a/modern/src/map/PositionsMap.js b/modern/src/map/PositionsMap.js
index 9719b45..8d10053 100644
--- a/modern/src/map/PositionsMap.js
+++ b/modern/src/map/PositionsMap.js
@@ -148,9 +148,15 @@ const PositionsMap = ({ positions }) => {
       map.off('click', id, onMarkerClick);
       map.off('click', clusters, onClusterClick);
 
-      map.removeLayer(id);
-      map.removeLayer(clusters);
-      map.removeSource(id);
+      if (map.getLayer(id)) {
+        map.removeLayer(id);
+      }
+      if (map.getLayer(clusters)) {
+        map.removeLayer(clusters);
+      }
+      if (map.getSource(id)) {
+        map.removeSource(id);
+      }
     };
   }, [onMarkerClick]);
 
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