From 6b13183b29e620c6d0e0e55febc6a660176ae3ec Mon Sep 17 00:00:00 2001
From: James Diacono <james@diacono.com.au>
Date: Wed, 25 Jul 2018 22:20:38 +1000
Subject: [PATCH] Use tile zoom rather than map zoom to get attributions

---
 index.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index bab7003..6ed3faf 100644
--- a/index.js
+++ b/index.js
@@ -228,7 +228,11 @@ L.TileLayer.Bing = L.TileLayer.extend({
   _updateAttribution: function () {
     var map = this._map
     if (!map || !map.attributionControl) return
-    var zoom = map.getZoom()
+
+    // map zoom can be out of bounds of native zoom levels, use the
+    // zoom level of the request tile instead
+    var zoom = this._tileZoom
+
     var bbox = toBingBBox(map.getBounds().toBBoxString())
     this._fetch.then(function () {
       var newAttributions = this._getAttributions(bbox, zoom)