@clayui/shared/lib/getEllipsisItems.js

ClayShared component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getEllipsisItems = void 0;

var _react = _interopRequireDefault(require("react"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _extends() { _extends = Object.assign ? Object.assign.bind() : function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

var getBufferList = function getBufferList(start, end, config) {
  var EllipsisComponent = config.EllipsisComponent,
      ellipsisProps = config.ellipsisProps,
      items = config.items,
      spritemap = config.spritemap;
  var removedItems = items.slice(start, Math.max(end, start));

  if (removedItems.length > 1) {
    return [/*#__PURE__*/_react.default.createElement(EllipsisComponent, _extends({
      items: removedItems,
      key: "ellipsisComponent",
      spritemap: spritemap
    }, ellipsisProps))];
  }

  return removedItems;
};

var getEllipsisItems = function getEllipsisItems(config, ellipsisBuffer) {
  var activeIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
  var items = config.items;
  var lastIndex = items.length - 1;
  var leftBufferEnd = activeIndex - ellipsisBuffer;
  var rightBufferStart = activeIndex + ellipsisBuffer + 1;
  var leftBuffer = getBufferList(1, leftBufferEnd, config);
  var rightBuffer = getBufferList(rightBufferStart, lastIndex, config);
  var newArray = [items[0]].concat(_toConsumableArray(leftBuffer), _toConsumableArray(items.slice(Math.max(activeIndex - ellipsisBuffer, 1), // Add 1 to account for active index
  Math.min(activeIndex + ellipsisBuffer + 1, lastIndex))), _toConsumableArray(rightBuffer));

  if (items.length > 1) {
    newArray.push(items[lastIndex]);
  }

  return newArray;
};

exports.getEllipsisItems = getEllipsisItems;