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path: root/viewer/src/services/itemSortFn.ts
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/* ldgallery - A static generator which turns a collection of tagged
--             pictures into a searchable web gallery.
--
-- Copyright (C) 2019-2020  Guillaume FOUET
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as
-- published by the Free Software Foundation, either version 3 of the
-- License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

export default class ItemSortFn {
  static sortByNameAsc(left: Gallery.Item, right: Gallery.Item): number {
    return left.title.localeCompare(right.title);
  }

  static sortByDateDesc(left: Gallery.Item, right: Gallery.Item): number {
    return -left.datetime.localeCompare(right.datetime); // TODO: handle timezones
  }
}