Support Holes in Polygon

packages/google_maps_flutter/google_maps_flutter_web/lib/src/convert.dart

@@ -366,6 +366,11 @@ Set<Polygon> _rawOptionsToInitialPolygons(Map<String, dynamic> rawOptions) {
           points: rawPolygon['points']
               ?.map<LatLng>((rawPoint) => LatLng.fromJson(rawPoint))
               ?.toList(),
+          holes: rawPolygon['holes']
+              ?.map<List<LatLng>>((List hole) => hole
+                ?.map<LatLng>((rawPoint) => LatLng.fromJson(rawPoint))
+                ?.toList())
+              ?.toList(),
         );
       }) ??
       []);
@@ -473,9 +478,13 @@ gmaps.CircleOptions _circleOptionsFromCircle(Circle circle) {
 
 gmaps.PolygonOptions _polygonOptionsFromPolygon(
     gmaps.GMap googleMap, Polygon polygon) {
-  List<gmaps.LatLng> paths = [];
+  List<gmaps.LatLng> path = [];
   polygon.points.forEach((point) {
-    paths.add(_latLngToGmLatLng(point));
+    path.add(_latLngToGmLatLng(point));
+  });
+  List<List<gmaps.LatLng>> paths = [path];
+  polygon.holes?.forEach((hole) {
+    paths.add(hole.map((point) => _latLngToGmLatLng(point)).toList());
   });
   return gmaps.PolygonOptions()
     ..paths = paths

packages/google_maps_flutter/google_maps_flutter_web/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   flutter_web_plugins:
     sdk: flutter
   meta: ^1.1.7
-  google_maps_flutter_platform_interface: ^1.0.5
+  google_maps_flutter_platform_interface: ^1.1.0
   google_maps: ^3.4.5
   stream_transform: ^1.2.0
   sanitize_html: ^1.4.1

packages/google_maps_flutter/google_maps_flutter_web/test/test_driver/shapes_integration.dart

@@ -190,6 +190,30 @@ void main() {
       expect(polygon.get('strokeColor'), '#c0ffee');
       expect(polygon.get('strokeOpacity'), closeTo(1, _acceptableDelta));
     });
+
+    testWidgets('Handle Polygons with holes', (WidgetTester tester) async {
+      final polygons = {
+        Polygon(
+            polygonId: PolygonId('BermudaTriangle'),
+            points: [LatLng(25.774, -80.19),
+              LatLng(18.466, -66.118),
+              LatLng(32.321, -64.757),],
+            holes: [
+              [
+                LatLng(28.745, -70.579 ),
+                LatLng(29.57, -67.514 ),
+                LatLng(27.339, -66.668 ),
+              ],
+            ],
+        ),
+      };
+
+      controller.addPolygons(polygons);
+
+      expect(controller.polygons.length, 1);
+      expect(controller.polygons, contains(PolygonId('BermudaTriangle')));
+      expect(controller.polygons, isNot(contains(PolygonId('66'))));
+    });
   });
 
   group('PolylinesController', () {