@clayui/shared/lib/esm/getEllipsisItems.js

ClayShared component

function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
/**
 * SPDX-FileCopyrightText: © 2019 Liferay, Inc. <https://liferay.com>
 * SPDX-License-Identifier: BSD-3-Clause
 */

import React from 'react';
const getBufferList = (start, end, config) => {
  const {
    EllipsisComponent,
    ellipsisProps,
    items,
    spritemap
  } = config;
  const removedItems = items.slice(start, Math.max(end, start));
  if (removedItems.length > 1) {
    return [/*#__PURE__*/React.createElement(EllipsisComponent, _extends({
      items: removedItems,
      key: "ellipsisComponent",
      spritemap: spritemap
    }, ellipsisProps))];
  }
  return removedItems;
};
export const getEllipsisItems = function (config, ellipsisBuffer) {
  let activeIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
  const {
    items
  } = config;
  const lastIndex = items.length - 1;
  const leftBufferEnd = activeIndex - ellipsisBuffer;
  const rightBufferStart = activeIndex + ellipsisBuffer + 1;
  const leftBuffer = getBufferList(1, leftBufferEnd, config);
  const rightBuffer = getBufferList(rightBufferStart, lastIndex, config);
  const newArray = [items[0], ...leftBuffer, ...items.slice(Math.max(activeIndex - ellipsisBuffer, 1),
  // Add 1 to account for active index
  Math.min(activeIndex + ellipsisBuffer + 1, lastIndex)), ...rightBuffer];
  if (items.length > 1) {
    newArray.push(items[lastIndex]);
  }
  return newArray;
};