sort-by-key.ts

// Sort List of Objects By Two Keys
type SortKey<T> = {
  key: keyof T;
  order: 1 | -1;
};
export function sortByKeys<T>(list: T[], keys: SortKey<T> | [SortKey<T>, SortKey<T>]) {
  if (!Array.isArray(keys)) {
    const { key: sortKey, order } = keys;
    return list.sort((v1, v2) => (v1[sortKey] < v2[sortKey] ? order * 1 : -1 * order));
  }

  const [{ key: firstSortKey, order: firstOrder }, { key: secondSortKey, order: secondOrder }] = keys;
  return list.sort((v1, v2) => {
    if (v1[firstSortKey] === v2[firstSortKey]) {
      return v1[secondSortKey] < v2[secondSortKey] ? secondOrder * 1 : -1 * secondOrder;
    }
    return v1[firstSortKey] < v2[firstSortKey] ? firstOrder * 1 : -1 * firstOrder;
  });
}