From 11207c7550df908713542a71779b621b25e296b8 Mon Sep 17 00:00:00 2001
From: Vladyslav_Prykhodko <vprykhodko@thingsboard.io>
Date: Wed, 27 May 2020 20:25:12 +0300
Subject: [PATCH] Fix get enity relation infoes for empty array

---
 ui-ngx/src/app/core/http/entity.service.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui-ngx/src/app/core/http/entity.service.ts b/ui-ngx/src/app/core/http/entity.service.ts
index 3eb80ef6a3..cc3459b48e 100644
--- a/ui-ngx/src/app/core/http/entity.service.ts
+++ b/ui-ngx/src/app/core/http/entity.service.ts
@@ -1006,7 +1006,7 @@ export class EntityService {
 
   private entityRelationInfosToEntitiesInfo(entityRelations: Array<EntityRelationInfo>,
                                             direction: EntitySearchDirection): Observable<Array<EntityInfo>> {
-    if (entityRelations) {
+    if (entityRelations.length) {
       const tasks: Observable<EntityInfo>[] = [];
       entityRelations.forEach((entityRelation) => {
         tasks.push(this.entityRelationInfoToEntityInfo(entityRelation, direction));