vito/resources/js/hooks/use-initials.tsx

import { useCallback } from 'react';

export function useInitials() {
  return useCallback((fullName: string): string => {
    const names = fullName.trim().split(' ');

    if (names.length === 0) return '';
    if (names.length === 1) return names[0].charAt(0).toUpperCase();

    const firstInitial = names[0].charAt(0);
    const lastInitial = names[names.length - 1].charAt(0);

    return `${firstInitial}${lastInitial}`.toUpperCase();
  }, []);
}