Support for creating New Groups

ts/util/parseIntWithFallback.ts

@@ -0,0 +1,12 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { parseIntOrThrow } from './parseIntOrThrow';
+
+export function parseIntWithFallback(value: unknown, fallback: number): number {
+  try {
+    return parseIntOrThrow(value, 'Failed to parse');
+  } catch (err) {
+    return fallback;
+  }
+}