export const DESTINATION_PAGE_CONFIG_ID = "destination-home";
export const DESTINATION_RECOMMENDATION_LIMIT = 4;

export function normalizeDestinationRecommendationIds(value: unknown) {
  if (!Array.isArray(value)) return [];
  return [...new Set(value.filter((item): item is string => typeof item === "string" && item.trim().length > 0).map((item) => item.trim()))].slice(
    0,
    DESTINATION_RECOMMENDATION_LIMIT,
  );
}