Add RootGroup

tuanchauict · Dec 11, 2024 · c614b95 · c614b95
1 parent f8b8808
commit c614b95
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/monosketch-svelte/src/lib/mono/shape/shape/group.ts b/monosketch-svelte/src/lib/mono/shape/shape/group.ts
@@ -110,3 +110,19 @@ export class Group extends AbstractShape {
         return Array.from(this.items).map(callback);
     }
 }
+
+/**
+ * A special [Group] for the root group of the file.
+ * This group contains some extra information for storing and restoring from file.
+ */
+export function RootGroup(id: string | null): Group;
+export function RootGroup(serializableGroup: SerializableGroup): Group;
+
+export function RootGroup(idOrSerializableGroup: string | null | SerializableGroup = null): Group {
+    if (idOrSerializableGroup instanceof SerializableGroup) {
+        return Group.fromSerializable(idOrSerializableGroup);
+    } else {
+        return new Group(idOrSerializableGroup, null);
+    }
+}
+