don't stop animation on map resize (#6636)

fix #4041
fix #4481

src/ui/bind_handlers.js

@@ -182,6 +182,10 @@ export default function bindHandlers(map: Map, options: {interactive: boolean, c
     }
 
     function onWheel(e: WheelEvent) {
+        if (options.interactive) {
+            map.stop();
+        }
+
         const mapEvent = new MapWheelEvent('wheel', map, e);
         map.fire(mapEvent);
 

src/ui/map.js

@@ -449,11 +449,12 @@ class Map extends Camera {
         this.transform.resize(width, height);
         this.painter.resize(width, height);
 
-        return this
-            .fire(new Event('movestart', eventData))
+        this.fire(new Event('movestart', eventData))
             .fire(new Event('move', eventData))
             .fire(new Event('resize', eventData))
             .fire(new Event('moveend', eventData));
+
+        return this;
     }
 
     /**
@@ -1741,7 +1742,7 @@ class Map extends Camera {
 
     _onWindowResize() {
         if (this._trackResize) {
-            this.stop().resize()._update();
+            this.resize()._update();
         }
     }
 

test/unit/ui/map.test.js

@@ -529,13 +529,11 @@ test('Map', (t) => {
         t.test('do resize if trackResize is true (default)', (t) => {
             const map = createMap(t);
 
-            t.spy(map, 'stop');
             t.spy(map, '_update');
             t.spy(map, 'resize');
 
             map._onWindowResize();
 
-            t.ok(map.stop.called);
             t.ok(map._update.called);
             t.ok(map.resize.called);
 
@@ -1447,6 +1445,21 @@ test('Map', (t) => {
         t.end();
     });
 
+    t.test('continues camera animation on resize', (t) => {
+        const map = createMap(t),
+            container = map.getContainer();
+
+        map.flyTo({ center: [200, 0], duration: 100 });
+
+        Object.defineProperty(container, 'offsetWidth', {value: 250});
+        Object.defineProperty(container, 'offsetHeight', {value: 250});
+        map.resize();
+
+        t.ok(map.isMoving(), 'map is still moving after resize due to camera animation');
+
+        t.end();
+    });
+
     t.end();
 });