From 006a4be303ccbd0f63c5fbfae34e1af907f40dbe Mon Sep 17 00:00:00 2001
From: Sebastian Stehle <sebastian@squidex.io>
Date: Mon, 19 Feb 2018 12:31:21 +0100
Subject: [PATCH] Track by improvement.

---
 .../content/pages/contents/contents-page.component.html       | 2 +-
 .../content/pages/contents/contents-page.component.ts         | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Squidex/app/features/content/pages/contents/contents-page.component.html b/src/Squidex/app/features/content/pages/contents/contents-page.component.html
index a52a910c7..388999bbb 100644
--- a/src/Squidex/app/features/content/pages/contents/contents-page.component.html
+++ b/src/Squidex/app/features/content/pages/contents/contents-page.component.html
@@ -122,7 +122,7 @@
                 <div sqxIgnoreScrollbar>
                     <table class="table table-items table-fixed" *ngIf="contentItems" >
                         <tbody *ngIf="!isReadOnly">
-                            <ng-template ngFor let-content [ngForOf]="contentItems">
+                            <ng-template ngFor let-content [ngForOf]="contentItems" [ngForTrackBy]="trackBy">
                                 <tr [sqxContent]="content" [routerLink]="[content.id]" routerLinkActive="active"
                                     [language]="languageSelected"
                                     [schemaFields]="contentFields"
diff --git a/src/Squidex/app/features/content/pages/contents/contents-page.component.ts b/src/Squidex/app/features/content/pages/contents/contents-page.component.ts
index 217265983..7f984b731 100644
--- a/src/Squidex/app/features/content/pages/contents/contents-page.component.ts
+++ b/src/Squidex/app/features/content/pages/contents/contents-page.component.ts
@@ -361,6 +361,10 @@ export class ContentsPageComponent implements OnDestroy, OnInit {
         this.ctx.bus.emit(new ContentRemoved(content));
     }
 
+    public trackBy(content: ContentDto): string {
+        return content.id;
+    }
+
     private resetContents() {
         this.contentItems = ImmutableArray.empty<ContentDto>();
         this.contentsQuery = '';