WIP - add extractor, generate snippet_data

node_modules/dom-helpers/query/matches.js

@@ -0,0 +1,37 @@
+"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"];