Refactor code

src/actions/users/getUsers.ts

@@ -2,9 +2,9 @@
 
 import { auth } from "@/lib/auth";
 import { prisma } from "@/lib/prisma";
-import { headers } from "next/headers";
 import type { SessionWithRole } from "@/types/auth";
-import type { UsersListRow } from "@/types/users";
+import type { UserRole, UsersListRow } from "@/types/users";
+import { headers } from "next/headers";
 
 // Returns all users for the admin users table.
 export async function getUsers(): Promise<UsersListRow[]> {
@@ -28,9 +28,16 @@ export async function getUsers(): Promise<UsersListRow[]> {
     },
   });
 
-  return rows.map((r) => ({
-    ...r,
-    createdAt: r.createdAt.toISOString(),
-    updatedAt: r.updatedAt.toISOString(),
-  }));
+  return rows.map((r) => {
+    if (r.role !== "admin" && r.role !== "user") {
+      throw new Error(`Unexpected user role: ${r.role}`);
+    }
+
+    return {
+      ...r,
+      role: r.role as UserRole,
+      createdAt: r.createdAt.toISOString(),
+      updatedAt: r.updatedAt.toISOString(),
+    };
+  });
 }