From e3139d2150da55bda1878de779a0eff9ef1249af Mon Sep 17 00:00:00 2001
From: Alex Dik <mail@alexdik.de>
Date: Wed, 4 May 2016 17:42:08 +0200
Subject: [PATCH] Add default value for HalLink.$source on instantiation

---
 .../api/api-v3/hal-resources/hal-resource.service.test.ts     | 4 ++++
 .../api/api-v3/hal-resources/hal-resource.service.ts          | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.test.ts b/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.test.ts
index bde26330c4..c2eba2a346 100644
--- a/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.test.ts
+++ b/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.test.ts
@@ -46,6 +46,10 @@ describe('HalResource service', () => {
     expect(HalResource).to.exist;
   });
 
+  it('should be instantiable using a default object', () => {
+    expect(new HalResource().href).to.equal(null);
+  });
+
   it('should set its source to _plain if _plain is a property of the source', () => {
     let source = {
       _plain: {
diff --git a/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.ts b/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.ts
index da3d05120d..7abc0a779f 100644
--- a/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.ts
+++ b/frontend/app/components/api/api-v3/hal-resources/hal-resource.service.ts
@@ -50,7 +50,7 @@ export default class HalResource {
   }
 
   protected static getEmptyResource():any {
-    return {_links: {self: null}};
+    return {_links: {self: {}}};
   }
 
   public get name():string {
@@ -86,7 +86,7 @@ export default class HalResource {
     });
   }
 
-  constructor(public $source:any, public $loaded:boolean = true) {
+  constructor(public $source:any = HalResource.getEmptyResource(), public $loaded:boolean = true) {
     this.$source = $source._plain || $source;
 
     this.proxyProperties();