don't do anything on noop setPaintProperty

Closes #2362
mapbox · Mar 30, 2016 · 3e443c7 · 3e443c7
1 parent 5ed1cb5
commit 3e443c7
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/js/style/style.js b/js/style/style.js
@@ -580,7 +580,11 @@ Style.prototype = util.inherit(Evented, {
     setPaintProperty: function(layerId, name, value, klass) {
         this._checkLoaded();
 
-        this.getLayer(layerId).setPaintProperty(name, value, klass);
+        var layer = this.getLayer(layerId);
+
+        if (layer.getPaintProperty(name, klass) === value) return this;
+
+        layer.setPaintProperty(name, value, klass);
         this._updates.changed = true;
         this._updates.cascade = true;