From d1912f57e95e2a831e7ff5e5867298a2fe1426d0 Mon Sep 17 00:00:00 2001
From: Yohan Boniface <yohanboniface@free.fr>
Date: Thu, 14 Dec 2023 22:55:01 +0100
Subject: [PATCH] Do not call AttributionControl._update for removed tile layer

---
 umap/static/umap/js/umap.controls.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/umap/static/umap/js/umap.controls.js b/umap/static/umap/js/umap.controls.js
index ad6cff9f..213b8bff 100644
--- a/umap/static/umap/js/umap.controls.js
+++ b/umap/static/umap/js/umap.controls.js
@@ -1246,8 +1246,10 @@ L.U.AttributionControl = L.Control.Attribution.extend({
   },
 
   _update: function () {
+    // Layer is no more on the map
+    if (!this._map) return
     L.Control.Attribution.prototype._update.call(this)
-    // Use our how container, so we can hide/show on small screens
+    // Use our own container, so we can hide/show on small screens
     const credits = this._container.innerHTML
     this._container.innerHTML = ''
     const container = L.DomUtil.add(