/**
 * Copyright 2024 Resultium LLC
 *
 * This file is part of @resultium/utils.
 *
 * @resultium/utils 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, either version 3 of the License, or
 * any later version.
 *
 * @resultium/utils 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 RCZ. If not, see <https://www.gnu.org/licenses/>.
 */

/**
 * Splits an array into chunks
 *
 * @param array - array which shall be split into chunks
 * @param chunkSize - size of a single chunk
 * @returns array of chunks
 */
export const splitIntoChunks = <T>(array: T[], chunkSize: number): T[][] =>
  array.reduce<T[][]>((splitArray, item, index) => {
    const chunkIndex = Math.floor(index / chunkSize);

    if (!splitArray[`${chunkIndex}`]) {
      splitArray[`${chunkIndex}`] = [];
    }

    splitArray[`${chunkIndex}`]?.push(item);

    return splitArray;
  }, []);