Onboarding story

ts/util/isSignalConversation.ts

@@ -0,0 +1,17 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { SIGNAL_ACI } from '../types/Conversation';
+
+export function isSignalConversation(conversation: {
+  id: string;
+  uuid?: string;
+}): boolean {
+  const { id, uuid } = conversation;
+
+  if (uuid) {
+    return uuid === SIGNAL_ACI;
+  }
+
+  return window.ConversationController.isSignalConversation(id);
+}