From c0dd8901e4da4024d6f8226764d5ff6a7a5a5875 Mon Sep 17 00:00:00 2001
From: Yohan Boniface <yohanboniface@free.fr>
Date: Tue, 15 Aug 2023 07:57:38 +0200
Subject: [PATCH] More readable check from DataLayer.showAtZoom

---
 umap/static/umap/js/umap.layer.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/umap/static/umap/js/umap.layer.js b/umap/static/umap/js/umap.layer.js
index c9a352fc..09317e7e 100644
--- a/umap/static/umap/js/umap.layer.js
+++ b/umap/static/umap/js/umap.layer.js
@@ -376,7 +376,8 @@ L.U.DataLayer = L.Evented.extend({
     const from = parseInt(this.options.fromZoom, 10),
       to = parseInt(this.options.toZoom, 10),
       zoom = this.map.getZoom()
-    return !((!isNaN(from) && zoom < from) || (!isNaN(to) && zoom > to))
+    if (isNaN(from) || isNaN(to)) return false
+    return (zoom >= from && zoom <= to)
   },
 
   fetchRemoteData: function () {