grommet/components/SkipLinks/SkipLinks.js

focus on the essential experience

"use strict";

exports.__esModule = true;
exports.SkipLinks = void 0;

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

var _Box = require("../Box");

var _Heading = require("../Heading");

var _Layer = require("../Layer");

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (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; }

var SkipLinks = function SkipLinks(_ref) {
  var children = _ref.children,
      id = _ref.id,
      messages = _ref.messages;

  var _useState = (0, _react.useState)(false),
      showLayer = _useState[0],
      setShowLayer = _useState[1];

  var layerRef = (0, _react.useRef)(null);

  var onFocus = function onFocus() {
    setShowLayer(true);
  };

  var removeLayer = function removeLayer() {
    setShowLayer(false);
  };

  var onBlur = function onBlur() {
    // timeout needed so it gives enough time for activeElement to be updated
    setTimeout(function () {
      var layerNode = layerRef.current;

      if (layerNode && layerNode.layerContainer && layerNode.layerContainer.contains && !layerNode.layerContainer.contains(document.activeElement)) {
        removeLayer();
      }
    }, 0);
  };

  return /*#__PURE__*/_react["default"].createElement(_Layer.Layer, {
    id: id,
    position: showLayer ? 'top' : 'hidden',
    ref: layerRef,
    onFocus: onFocus,
    onBlur: onBlur
  }, /*#__PURE__*/_react["default"].createElement(_Box.Box, {
    pad: {
      horizontal: 'medium'
    }
  }, /*#__PURE__*/_react["default"].createElement(_Heading.Heading, {
    level: 2
  }, messages.skipTo, ":"), /*#__PURE__*/_react["default"].createElement(_Box.Box, {
    direction: "row",
    align: "center",
    pad: {
      bottom: 'medium'
    }
  }, children.map(function (element, index) {
    return /*#__PURE__*/(0, _react.cloneElement)(element, {
      key: "skip-link-" + index,
      onClick: removeLayer
    });
  }))));
};

SkipLinks.defaultProps = {
  messages: {
    skipTo: 'Skip To'
  }
};
var SkipLinksDoc;

if (process.env.NODE_ENV !== 'production') {
  // eslint-disable-next-line global-require
  SkipLinksDoc = require('./doc').doc(SkipLinks);
}

var SkipLinksWrapper = SkipLinksDoc || SkipLinks;
exports.SkipLinks = SkipLinksWrapper;