Merge pull request #74 from 2SC1815J/release-0.2.x

Fix negative value of _this.maxNativeZoom
mejackreed · Apr 30, 2019 · fa09a0d · fa09a0d
2 parents a6128f6 + b7388bf
commit fa09a0d
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/leaflet-iiif.js b/leaflet-iiif.js
@@ -139,8 +139,11 @@ L.TileLayer.Iiif = L.TileLayer.extend({
         };
 
         // Calculates maximum native zoom for the layer
-        _this.maxNativeZoom = Math.max(ceilLog2(_this.x / _this.options.tileSize),
-          ceilLog2(_this.y / _this.options.tileSize));
+        _this.maxNativeZoom = Math.max(
+          ceilLog2(_this.x / _this.options.tileSize),
+          ceilLog2(_this.y / _this.options.tileSize),
+          0
+        );
 
         // Enable zooming further than native if maxZoom option supplied
         if (_this._customMaxZoom && _this.options.maxZoom > _this.maxNativeZoom) {