From 6ae7305828b84495aa79fef529e839fc7e8cbd8d Mon Sep 17 00:00:00 2001
From: gchoqueux <gerald.choqueux@ign.fr>
Date: Mon, 3 May 2021 18:37:30 +0200
Subject: [PATCH] fix(FeatureToolTip): avoid undefined layer on move.

---
 examples/js/plugins/FeatureToolTip.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/examples/js/plugins/FeatureToolTip.js b/examples/js/plugins/FeatureToolTip.js
index a9d03d430b..fbc36b60b7 100644
--- a/examples/js/plugins/FeatureToolTip.js
+++ b/examples/js/plugins/FeatureToolTip.js
@@ -48,6 +48,9 @@ var FeatureToolTip = (function _() {
             }
 
             layer = layers[layersId.indexOf(layerId)];
+            if (!layer) {
+                continue;
+            }
             if (typeof layer.options.filterGeometries == 'function') {
                 features[layerId] = layer.options.filterGeometries(features[layerId], layer.layer) || [];
             }