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: / var / canvas / node_modules / focus-lock / dist / cjs / utils /
Filename : DOMutils.js
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'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.parentAutofocusables = exports.getAllTabbableNodes = exports.getTabbableNodes = exports.filterFocusable = exports.getCommonParent = exports.notHiddenInput = exports.isVisible = undefined;

var _tabOrder = require('./tabOrder');

var _tabUtils = require('./tabUtils');

var _array = require('./array');

var isElementHidden = function isElementHidden(computedStyle) {
  if (!computedStyle || !computedStyle.getPropertyValue) {
    return false;
  }
  return computedStyle.getPropertyValue('display') === 'none' || computedStyle.getPropertyValue('visibility') === 'hidden';
};

var isVisible = exports.isVisible = function isVisible(node) {
  return !node || node === document || node.nodeType === Node.DOCUMENT_NODE || !isElementHidden(window.getComputedStyle(node, null)) && isVisible(node.parentNode);
};

var notHiddenInput = exports.notHiddenInput = function notHiddenInput(node) {
  return !((node.tagName === 'INPUT' || node.tagName === 'BUTTON') && (node.type === 'hidden' || node.disabled));
};

var getParents = function getParents(node) {
  var parents = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];

  parents.push(node);
  if (node.parentNode) {
    getParents(node.parentNode, parents);
  }
  return parents;
};

var getCommonParent = exports.getCommonParent = function getCommonParent(nodea, nodeb) {
  var parentsA = getParents(nodea);
  var parentsB = getParents(nodeb);

  for (var i = 0; i < parentsA.length; i += 1) {
    var currentParent = parentsA[i];
    if (parentsB.indexOf(currentParent) >= 0) {
      return currentParent;
    }
  }
  return false;
};

var filterFocusable = exports.filterFocusable = function filterFocusable(nodes) {
  return (0, _array.toArray)(nodes).filter(function (node) {
    return isVisible(node);
  }).filter(function (node) {
    return notHiddenInput(node);
  });
};

var getTabbableNodes = exports.getTabbableNodes = function getTabbableNodes(topNodes, withGuards) {
  return (0, _tabOrder.orderByTabIndex)(filterFocusable((0, _tabUtils.getFocusables)(topNodes, withGuards)), true, withGuards);
};

var getAllTabbableNodes = exports.getAllTabbableNodes = function getAllTabbableNodes(topNodes) {
  return (0, _tabOrder.orderByTabIndex)(filterFocusable((0, _tabUtils.getFocusables)(topNodes)), false);
};

var parentAutofocusables = exports.parentAutofocusables = function parentAutofocusables(topNode) {
  return filterFocusable((0, _tabUtils.getParentAutofocusables)(topNode));
};