filter-by.ts

<!-- Models -->
interface FilterModel {
  name: string;
  date: [number, number];
}
type PredicamentFn = <T>(item: T, filters: FilterModel) => boolean;

<!-- Matchers -->
const FILTERS_MATCHERS: Record<keyof FilterModel, PredicamentFn> = {
  name: (item, filters) => filters.name.includes(item.name),
  date: (item, filters) => {
    const [from, to] = filters.date;
    const updatedAt = new Date(item.updatedAt).getTime();
    return updatedAt >= from && updatedAt <= to;
  }
};

export const filterItems = <T>(items: T[], filters: FilterModel): T[] => {
  const matchersArr = Object.entries(filters)
    .filter(([key, value]) => isValidFilterValue(value))
    .map(([key]) => FILTERS_MATCHERS[key]);

  const itemMatchAllFilters = (item: T) =>
    matchersArr.every(matcher => matcher(item, filters));

  return items.filter(itemMatchAllFilters);
};