function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
/**
 * Retrieves the value of a nested property from an object using a string key.
 *
 * @param {string} key - The string key representing the nested property.
 * @param {object} item - The object from which to retrieve the nested property.
 * @return {*} - The value of the nested property.
 */
export var getItemKey = function getItemKey(key, item) {
  if (key.includes('.')) {
    var properties = key.split('.');
    return properties.reduce(function (property, prop) {
      return property[prop];
    }, item);
  } else {
    return item[key];
  }
};

/**
 * Generates a normalized version of the given items array.
 *
 * @param {Array} items - The array of items to be normalized.
 * @param {Object} extraProperties - (optional) Additional properties to add to each normalized item.
 * @param {string} key - (optional) The key to use as the unique identifier for each item.
 * @return {Object} An object containing the normalized slices and an array of UUIDs.
 */
var getNormalizedItems = function getNormalizedItems(items) {
  var extraProperties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var key = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'uuid';
  var normalizedSlices = items.reduce(function (itemsByUuid, item) {
    var itemKey = getItemKey(key, item);
    var normalizedItem = _objectSpread(_objectSpread({}, item), extraProperties);
    return _objectSpread(_objectSpread({}, itemsByUuid), {}, _defineProperty({}, itemKey, normalizedItem));
  }, {});
  var uuids = Object.keys(normalizedSlices);
  return {
    normalizedSlices: normalizedSlices,
    uuids: uuids
  };
};
export default getNormalizedItems;