Function GET

Returns Promise<
    | NextResponse<{ error: string }>
    | NextResponse<
        {
            categories: {
                children: { code: string
                | null; id: string; name: string }[];
                code: string | null;
                createdAt: Date;
                id: string;
                name: string;
                parent: { code: string | null; id: string; name: string } | null;
                parentId: string | null;
                updatedAt: Date;
            }[];
        },
    >,
>