A simple vanilla javascript pagination function NO DOM

js-pagination.js

export const paginate = ({lastPage,currentPage}) => {
   const _links = Array.from({ length: lastPage}, (_, i) => i + 1);
  return _links.reduce((acc, link) => {
    if (
      link === 1 ||
      link === _links.length ||
      (link > currentPage - 2 && link < currentPage + 2)
    ) {
      acc.push(link);
    } else if (
      link === currentPage - 2 ||
      link === currentPage + 2
    ) {
      acc.push("...");
    }
    return acc;
  }, []);
}