sipadu_mbip/node_modules/dom-helpers/query/matches.js

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports.default = matches;

var _inDOM = _interopRequireDefault(require("../util/inDOM"));

var _querySelectorAll = _interopRequireDefault(require("./querySelectorAll"));

var matchesCache;

function matches(node, selector) {
  if (!matchesCache && _inDOM.default) {
    var body = document.body;
    var nativeMatch = body.matches || body.matchesSelector || body.webkitMatchesSelector || body.mozMatchesSelector || body.msMatchesSelector;
    matchesCache = nativeMatch ? function (node, selector) {
      return nativeMatch.call(node, selector);
    } : ie8MatchesSelector;
  }

  return matchesCache ? matchesCache(node, selector) : null;
}

function ie8MatchesSelector(node, selector) {
  var matches = (0, _querySelectorAll.default)(node.document || node.ownerDocument, selector),
      i = 0;

  while (matches[i] && matches[i] !== node) {
    i++;
  }

  return !!matches[i];
}

module.exports = exports["default"];