design-system-govbr-rnp/dist/components/SkipLink/SkipLink.js

## Padrão Digital de Governo - React Biblioteca de componentes React que implementa o [Padrão Visual digital do governo](https://www.gov.br/ds/). O objetivo da biblioteca é facilitar a implementação e promover a padronização das interfaces de sistemas do

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _Tag = _interopRequireDefault(require("../Tag/Tag"));
var _types = require("./types");
var _styles = require("./styles");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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; }
var SkipLink = function SkipLink(_ref) {
  var options = _ref.options,
    type = _ref.type;
  var refCompound = (0, _react.useRef)();
  var skipLinks = document.querySelectorAll(".skipLink");
  var keyPress = useKeyPress("Tab");

  // hook
  function useKeyPress(targetKey) {
    var _useState = (0, _react.useState)(false),
      _useState2 = _slicedToArray(_useState, 2),
      keyPressed = _useState2[0],
      setKeyPressed = _useState2[1];
    var _useState3 = (0, _react.useState)(),
      _useState4 = _slicedToArray(_useState3, 2),
      srcElement = _useState4[0],
      setSrcElement = _useState4[1];
    var _useState5 = (0, _react.useState)(false),
      _useState6 = _slicedToArray(_useState5, 2),
      shiftKey = _useState6[0],
      setShiftKey = _useState6[1];
    var downHandler = (0, _react.useCallback)(function (_ref2) {
      var key = _ref2.key,
        srcElement = _ref2.srcElement,
        shiftKey = _ref2.shiftKey;
      if (key === targetKey) {
        setKeyPressed(true);
        setSrcElement(srcElement);
        setShiftKey(shiftKey);
      }
    }, [targetKey]);
    var upHandler = (0, _react.useCallback)(function (_ref3) {
      var key = _ref3.key;
      if (key === targetKey) {
        setKeyPressed(false);
      }
    }, [targetKey]);
    (0, _react.useEffect)(function () {
      window.addEventListener("keydown", downHandler);
      window.addEventListener("keyup", upHandler);
      return function () {
        window.removeEventListener("keydown", downHandler);
        window.removeEventListener("keyup", upHandler);
      };
    }, [downHandler, upHandler]);
    return {
      keyPressed: keyPressed,
      srcElement: srcElement,
      shiftKey: shiftKey
    };
  }
  var accessibilityCompound = function accessibilityCompound(srcElement, shiftKey, skipLinks) {
    var _refCompound$current;
    (_refCompound$current = refCompound.current) === null || _refCompound$current === void 0 ? void 0 : _refCompound$current.classList.add("show");
    if (!shiftKey) {
      if (srcElement === skipLinks[skipLinks.length - 1]) {
        var _refCompound$current2;
        (_refCompound$current2 = refCompound.current) === null || _refCompound$current2 === void 0 ? void 0 : _refCompound$current2.classList.remove("show");
      }
    }
  };
  if (type === _types.compound) {
    keyPress.keyPressed && accessibilityCompound(keyPress.srcElement, keyPress.shiftKey, skipLinks);
    document.addEventListener("click", function () {
      var _refCompound$current3;
      (_refCompound$current3 = refCompound.current) === null || _refCompound$current3 === void 0 ? void 0 : _refCompound$current3.classList.remove("show");
    });
  }
  var renderSkipLink = function renderSkipLink() {
    return options.map(function (option, index) {
      return /*#__PURE__*/_react.default.createElement(_styles.SkipLinkContainer, {
        type: type,
        key: option.link,
        className: "skipLink",
        href: "".concat(option.link),
        target: "_self"
      }, /*#__PURE__*/_react.default.createElement("span", {
        className: "text"
      }, "".concat(option.text, " (").concat(index + 1, "/").concat(options.length, ")")), /*#__PURE__*/_react.default.createElement(_Tag.default, {
        bgColor: "var(--blue-warm-vivid-70)",
        density: "medium",
        label: "".concat(index + 1),
        type: "number"
      }));
    });
  };
  return /*#__PURE__*/_react.default.createElement(_react.default.Fragment, null, type === _types.compound ? /*#__PURE__*/_react.default.createElement(_styles.SkipLinkCompound, {
    ref: refCompound
  }, renderSkipLink()) : renderSkipLink());
};
SkipLink.propTypes = {
  options: _propTypes.default.array,
  type: _propTypes.default.string.isRequired
};
var _default = SkipLink;
exports.default = _default;