Step 13.1: Create UninvitedFilter

imports/ui/filters/uninvitedFilter.js

@@ -0,0 +1,20 @@
+import angular from 'angular';
+
+const name = 'uninvitedFilter';
+
+function UninvitedFilter(users, party) {
+  if (!party) {
+    return false;
+  }
+
+  return users.filter((user) => {
+    // if not the owner and not invited
+    return user._id !== party.owner && (party.invited || []).indexOf(user._id) === -1;
+  });
+}
+
+// create a module
+export default angular.module(name, [])
+  .filter(name, () => {
+    return UninvitedFilter;
+  });