Avatar defaults and colors

ts/util/createAvatarData.ts

@@ -0,0 +1,14 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { v4 as uuid } from 'uuid';
+import { AvatarDataType } from '../types/Avatar';
+
+export function createAvatarData(
+  partialAvatarData: Readonly<Omit<AvatarDataType, 'id'>>
+): AvatarDataType {
+  return {
+    id: uuid(),
+    ...partialAvatarData,
+  };
+}