function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure 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$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import React from 'react';
export function useSet() {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
    _ref$initialValue = _ref.initialValue,
    initialValue = _ref$initialValue === void 0 ? new Set() : _ref$initialValue,
    onChange = _ref.onChange,
    onAdd = _ref.onAdd,
    onRemove = _ref.onRemove;
  var _React$useState = React.useState(initialValue),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    collection = _React$useState2[0],
    setCollection = _React$useState2[1];
  var removeFromSet = React.useCallback(function (collection, item) {
    collection["delete"](item);
    onRemove === null || onRemove === void 0 ? void 0 : onRemove(item);
    return new Set(collection);
  }, [onRemove]);
  var addToSet = React.useCallback(function (collection, item) {
    collection.add(item);
    onAdd === null || onAdd === void 0 ? void 0 : onAdd(item);
    return new Set(collection);
  }, [onAdd]);
  var updateCollection = React.useCallback(function (updater) {
    setCollection(function (prevCollection) {
      var newCollection = updater(prevCollection);
      onChange === null || onChange === void 0 ? void 0 : onChange(newCollection);
      return newCollection;
    });
  }, [onChange]);
  var has = React.useCallback(function (item) {
    return collection.has(item);
  }, [collection]);
  var add = React.useCallback(function (item) {
    return updateCollection(function (prevCollection) {
      return addToSet(prevCollection, item);
    });
  }, [addToSet, updateCollection]);
  var remove = React.useCallback(function (item) {
    return updateCollection(function (prevCollection) {
      return removeFromSet(prevCollection, item);
    });
  }, [removeFromSet, updateCollection]);
  var set = React.useCallback(function (newCollection) {
    return updateCollection(function () {
      return newCollection;
    });
  }, [updateCollection]);
  var toggle = React.useCallback(function (item) {
    return updateCollection(function (prevCollection) {
      return prevCollection.has(item) ? removeFromSet(prevCollection, item) : addToSet(prevCollection, item);
    });
  }, [addToSet, removeFromSet, updateCollection]);
  var removeAll = React.useCallback(function () {
    return updateCollection(function () {
      return new Set();
    });
  }, [updateCollection]);
  return {
    collection: collection,
    setCollection: set,
    has: has,
    add: add,
    remove: remove,
    removeAll: removeAll,
    toggle: toggle
  };
}
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