Initial commit: Crypto trader application

frontend/node_modules/dom-helpers/esm/matches.js

@@ -0,0 +1,20 @@
+var matchesImpl;
+/**
+ * Checks if a given element matches a selector.
+ * 
+ * @param node the element
+ * @param selector the selector
+ */
+
+export default function matches(node, selector) {
+  if (!matchesImpl) {
+    var body = document.body;
+    var nativeMatch = body.matches || body.matchesSelector || body.webkitMatchesSelector || body.mozMatchesSelector || body.msMatchesSelector;
+
+    matchesImpl = function matchesImpl(n, s) {
+      return nativeMatch.call(n, s);
+    };
+  }
+
+  return matchesImpl(node, selector);
+}