Attempt to resolve usernames

src/utils/discord-user-utils.ts

@@ -0,0 +1,13 @@
+import { Client, User } from 'discord.js';
+
+export async function resolveUser(client: Client, value: string): Promise<User | null | undefined> {
+  let user: User | null | undefined = null;
+
+  try {
+    user = await client.users.fetch(value);
+  } catch (e) {
+    user = client.users.cache.find(u => u.username == value);
+  }
+
+  return user;
+}