Security upgrades

node_modules/popper.js/src/utils/getReferenceNode.js

@@ -0,0 +1,10 @@
+/**
+ * Returns the reference node of the reference object, or the reference object itself.
+ * @method
+ * @memberof Popper.Utils
+ * @param {Element|Object} reference - the reference element (the popper will be relative to this)
+ * @returns {Element} parent
+ */
+export default function getReferenceNode(reference) {
+  return reference && reference.referenceNode ? reference.referenceNode : reference;
+}