| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import '../maps_object.dart'; |
| |
| /// Converts an [Iterable] of [MapsObject]s in a Map of [MapObjectId] -> [MapObject]. |
| Map<MapsObjectId<T>, T> keyByMapsObjectId<T extends MapsObject>( |
| Iterable<T> objects) { |
| return Map<MapsObjectId<T>, T>.fromEntries(objects.map((T object) => |
| MapEntry<MapsObjectId<T>, T>( |
| object.mapsId as MapsObjectId<T>, object.clone()))); |
| } |
| |
| /// Converts a Set of [MapsObject]s into something serializable in JSON. |
| Object serializeMapsObjectSet(Set<MapsObject> mapsObjects) { |
| return mapsObjects.map<Object>((MapsObject p) => p.toJson()).toList(); |
| } |
