Firebase Update

express-server/node_modules/promise-polyfill/src/polyfill.js

@@ -0,0 +1,21 @@
+import Promise from './index';
+
+var globalNS = (function() {
+  // the only reliable means to get the global object is
+  // `Function('return this')()`
+  // However, this causes CSP violations in Chrome apps.
+  if (typeof self !== 'undefined') {
+    return self;
+  }
+  if (typeof window !== 'undefined') {
+    return window;
+  }
+  if (typeof global !== 'undefined') {
+    return global;
+  }
+  throw new Error('unable to locate global object');
+})();
+
+if (!globalNS.Promise) {
+  globalNS.Promise = Promise;
+}