next-csrf/example/node_modules/ally.js/query/tabsequence.js

CSRF mitigation library for Next.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

exports.default = function () {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
      context = _ref.context,
      includeContext = _ref.includeContext,
      includeOnlyTabbable = _ref.includeOnlyTabbable,
      strategy = _ref.strategy;

  if (!supports) {
    supports = (0, _supports3.default)();
  }

  var _context = (0, _nodeArray2.default)(context)[0] || document.documentElement;
  var elements = (0, _tabbable2.default)({
    context: _context,
    includeContext: includeContext,
    includeOnlyTabbable: includeOnlyTabbable,
    strategy: strategy
  });

  if (document.body.createShadowRoot && _platform2.default.is.BLINK) {
    // sort tabindex localized to shadow dom
    // see https://github.com/medialize/ally.js/issues/6
    elements = (0, _tabsequence4.default)(elements, _context, sortElements);
  } else {
    elements = sortElements(elements, _context);
  }

  if (includeContext) {
    // if we include the context itself, it has to be the first
    // element of the sequence
    elements = moveContextToBeginning(elements, _context);
  }

  return elements;
};

var _tabbable = require('./tabbable');

var _tabbable2 = _interopRequireDefault(_tabbable);

var _nodeArray = require('../util/node-array');

var _nodeArray2 = _interopRequireDefault(_nodeArray);

var _platform = require('../util/platform');

var _platform2 = _interopRequireDefault(_platform);

var _tabsequence = require('./tabsequence.sort-area');

var _tabsequence2 = _interopRequireDefault(_tabsequence);

var _tabsequence3 = require('./tabsequence.sort-shadowed');

var _tabsequence4 = _interopRequireDefault(_tabsequence3);

var _tabsequence5 = require('./tabsequence.sort-tabindex');

var _tabsequence6 = _interopRequireDefault(_tabsequence5);

var _supports2 = require('../supports/supports');

var _supports3 = _interopRequireDefault(_supports2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var supports = void 0;
// https://www.w3.org/TR/html5/editing.html#sequential-focus-navigation-and-the-tabindex-attribute
// https://www.w3.org/WAI/PF/aria-practices/#keyboard

function moveContextToBeginning(elements, context) {
  var pos = elements.indexOf(context);
  if (pos > 0) {
    var tmp = elements.splice(pos, 1);
    return tmp.concat(elements);
  }

  return elements;
}

function sortElements(elements, _context) {
  if (supports.tabsequenceAreaAtImgPosition) {
    // Some browsers sort <area> in DOM order, some place the <area>s
    // where the <img> referecing them would've been in DOM order.
    // https://github.com/medialize/ally.js/issues/5
    elements = (0, _tabsequence2.default)(elements, _context);
  }

  elements = (0, _tabsequence6.default)(elements);
  return elements;
}

module.exports = exports['default'];
//# sourceMappingURL=tabsequence.js.map