design-comuni-plone-theme/src/components/ItaliaTheme/Pagination/createPaginationItems/suffixFactories.js

Volto Theme for Italia design guidelines

import { createEllipsisItem } from 'design-comuni-plone-theme/components/ItaliaTheme/Pagination/createPaginationItems/itemFactories';

export const createInnerPrefix = (
  firstGroupEnd,
  innerGroupStart,
  pageFactory,
) => {
  const prefixPage = innerGroupStart - 1;
  const showEllipsis = prefixPage !== firstGroupEnd + 1;
  const prefixFactory = showEllipsis ? createEllipsisItem : pageFactory;

  return prefixFactory(prefixPage);
};

export const createInnerSuffix = (
  innerGroupEnd,
  lastGroupStart,
  pageFactory,
) => {
  const suffixPage = innerGroupEnd + 1;
  const showEllipsis = suffixPage !== lastGroupStart - 1;
  const suffixFactory = showEllipsis ? createEllipsisItem : pageFactory;

  return suffixFactory(suffixPage);
};