module-navigation-tool/Editor/Favorites/Utilities/FavoritesUtility.cs

using UnityEditor;

namespace Game.NavigationTool.Editor
{
    internal static class FavoritesUtility
    {
        private static Favorites FAVORITES;

        static FavoritesUtility()
        {
            FAVORITES = null;
        }
        
        public static Favorites GetFavorites()
        {
            return FAVORITES ?? (FAVORITES = new Favorites());
        }

        [MenuItem("Tools/Utilities/Favorites/Delete")]
        public static void DeleteAll()
        {
            FAVORITES = null;
            EditorPrefs.DeleteKey(Favorites.PREF_ID);
        }
    }
}