/*
 * Copyright (C) 2022 StApps
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 3.
 *
 * 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <https://www.gnu.org/licenses/>.
 */

/**
 * Filter out duplicates from an array.
 */
export function uniqBy<T>(array: T[], transform: (item: T) => string | number): T[] {
  return Object.values(
    array.reduce((accumulator, current) => {
      accumulator[transform(current)] = current;
      return accumulator;
    }, {} as Record<string | number, T>),
  );
}