Rename files

ts/util/isSignalConversation.dom.ts

@@ -0,0 +1,22 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { SIGNAL_ACI } from '../types/SignalConversation.std.js';
+import type { ServiceIdString } from '../types/ServiceId.std.js';
+
+export function isSignalConversation(conversation: {
+  id: string;
+  serviceId?: ServiceIdString;
+}): boolean {
+  const { id, serviceId } = conversation;
+
+  if (serviceId) {
+    return isSignalServiceId(serviceId);
+  }
+
+  return window.ConversationController.isSignalConversationId(id);
+}
+
+export function isSignalServiceId(serviceId: ServiceIdString): boolean {
+  return serviceId === SIGNAL_ACI;
+}