protect against options parameter not being supplied, as in L.tileLay…

…er.grayscale(url);
Zverik · Oct 31, 2017 · c7c1f52 · c7c1f52
1 parent 54d1fc8
commit c7c1f52
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/TileLayer.Grayscale.js b/TileLayer.Grayscale.js
@@ -14,6 +14,7 @@ L.TileLayer.Grayscale = L.TileLayer.extend({
 	},
 
 	initialize: function (url, options) {
+		options = options || {}
 		options.crossOrigin = true;
 		L.TileLayer.prototype.initialize.call(this, url, options);