Step 13.10: Create DisplayNameFilter

imports/ui/filters/displayNameFilter.js

@@ -0,0 +1,25 @@
+import angular from 'angular';
+
+const name = 'displayNameFilter';
+
+function DisplayNameFilter(user) {
+  if (!user) {
+    return '';
+  }
+
+  if (user.profile && user.profile.name) {
+    return user.profile.name;
+  }
+
+  if (user.emails) {
+    return user.emails[0].address;
+  }
+
+  return user;
+}
+
+// create a module
+export default angular.module(name, [])
+  .filter(name, () => {
+    return DisplayNameFilter;
+  });