Initial commit

node_modules/dom-helpers/query/matches.js

@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = matches;
+
+var _inDOM = require('../util/inDOM');
+
+var _inDOM2 = _interopRequireDefault(_inDOM);
+
+var _querySelectorAll = require('./querySelectorAll');
+
+var _querySelectorAll2 = _interopRequireDefault(_querySelectorAll);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var matchesCache = void 0;
+
+function matches(node, selector) {
+  if (!matchesCache && _inDOM2.default) {
+    (function () {
+      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, _querySelectorAll2.default)(node.document || node.ownerDocument, selector),
+      i = 0;
+
+  while (matches[i] && matches[i] !== node) {
+    i++;
+  }return !!matches[i];
+}
+module.exports = exports['default'];