@catho/quantum/DropdownLight/SubComponents/UseKeyboardSearchItems.js

Catho react components

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _react = require("react");
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _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(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
var useKeyboardSearchItems = function useKeyboardSearchItems() {
  var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var cursor = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1;
  var isOpen = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var _useState = (0, _react.useState)(null),
    _useState2 = _slicedToArray(_useState, 2),
    pressedKey = _useState2[0],
    setPressedKey = _useState2[1];
  var _useState3 = (0, _react.useState)(null),
    _useState4 = _slicedToArray(_useState3, 2),
    selectedItemIndex = _useState4[0],
    setSelectedItemIndex = _useState4[1];
  var isEqual = function isEqual(item, itemToCompare) {
    return ((item === null || item === void 0 ? void 0 : item.label) || item) === ((itemToCompare === null || itemToCompare === void 0 ? void 0 : itemToCompare.label) || itemToCompare);
  };
  (0, _react.useEffect)(function () {
    setSelectedItemIndex(cursor >= 0 ? cursor : null);
  }, [cursor]);
  (0, _react.useEffect)(function () {
    if (pressedKey && isOpen) {
      var indexItem = selectedItemIndex;
      var itemsWithLetterPressed = items.filter(function (item) {
        return ((item === null || item === void 0 ? void 0 : item.label) || item).toLowerCase().startsWith(pressedKey.toLowerCase());
      });
      if (!itemsWithLetterPressed.length) {
        return;
      }
      var selectedItemHasTheLetterPressed = itemsWithLetterPressed.some(function (item) {
        return isEqual(item, items[cursor]);
      });
      var firstItemInItemsWithLetterPressed = itemsWithLetterPressed[0];
      var indexOfFirstItemWithLetterPressedOnItems = items.findIndex(function (item) {
        return isEqual(item, firstItemInItemsWithLetterPressed);
      });
      var selectedItemIsBeforeTheFirstItemWithLetterPressed = cursor < indexOfFirstItemWithLetterPressedOnItems;
      var noItemSelected = typeof indexItem !== 'number';
      if (noItemSelected || !selectedItemHasTheLetterPressed && selectedItemIsBeforeTheFirstItemWithLetterPressed) {
        setSelectedItemIndex(indexOfFirstItemWithLetterPressedOnItems);
        return;
      }
      var selectedItem = items[indexItem];
      var selectedItemIndexInFilteredItem = itemsWithLetterPressed.findIndex(function (item) {
        return isEqual(item, selectedItem);
      });
      var nextItemInItemsWithLetterPressed = itemsWithLetterPressed[selectedItemIndexInFilteredItem + 1];
      indexItem = items.findIndex(function (item) {
        return isEqual(item, nextItemInItemsWithLetterPressed || firstItemInItemsWithLetterPressed);
      });
      setSelectedItemIndex(indexItem);
    }
  }, [pressedKey]);
  var downHandler = function downHandler(_ref) {
    var key = _ref.key;
    if (key.length === 1) {
      setPressedKey(key);
    }
  };
  var upHandler = function upHandler() {
    setPressedKey(null);
  };
  (0, _react.useEffect)(function () {
    window.addEventListener('keydown', downHandler);
    window.addEventListener('keyup', upHandler);
    return function () {
      window.removeEventListener('keydown', downHandler);
      window.removeEventListener('keyup', upHandler);
    };
  }, []);
  return selectedItemIndex;
};
var _default = exports["default"] = useKeyboardSearchItems;