export const chunkArray = <T>(arr: T[], chunkSize: number) =>
  arr.reduce((chunks, elem, index) => {
    const chunkIndex = Math.floor(index / chunkSize);
    const chunk = chunks[chunkIndex] || [];
    // eslint-disable-next-line no-param-reassign
    chunks[chunkIndex] = chunk.concat([elem]);
    return chunks;
  }, [] as T[][]);