fix(lesion-tracker): Fix routing and package building issues with Lesion Tracker

LesionTracker/client/routes.js

@@ -3,10 +3,26 @@ import { Router } from 'meteor/clinical:router';
 import { OHIF } from 'meteor/ohif:core';
 
 Router.configure({
-    layoutTemplate: 'layout',
-    loadingTemplate: 'layout'
+    loadingTemplate: 'loading'
 });
 
+// If we are running a disconnected client similar to the StandaloneViewer
+// (see https://docs.ohif.org/standalone-viewer/usage.html) we don't want
+// our routes to get stuck while waiting for Pub / Sub.
+//
+// In this case, the developer is required to add Servers and specify
+// a CurrentServer with some other approach (e.g. a separate script).
+if (Meteor.settings &&
+    Meteor.settings.public &&
+    Meteor.settings.public.clientOnly !== true) {
+    Router.waitOn(function() {
+        return [
+            Meteor.subscribe('servers'),
+            Meteor.subscribe('currentServer')
+        ];
+    });
+}
+
 Router.onBeforeAction('loading');
 
 Router.onBeforeAction(function() {