fix(MapGL): emit onViewportChange only if user interacted with map

urbica · Nov 13, 2017 · 73555ee · 73555ee
1 parent b8dd30a
commit 73555ee
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/components/MapGL.js b/src/components/MapGL.js
@@ -310,6 +310,8 @@ class MapGL extends PureComponent<Props, State> {
    * @param {(mapboxgl.MapMouseEvent | mapboxgl.MapTouchEvent)} event
    */
   _onViewportChange(event: mapboxgl.MapMouseEvent | mapboxgl.MapTouchEvent): void {
+    if (!event.originalEvent) return;
+
     const map: mapboxgl.Map = event.target;
     const { lng, lat } = map.getCenter();
     const zoom = map.getZoom();