From 55e88c1818aa23a7383a4a73f120841d67e332ef Mon Sep 17 00:00:00 2001
From: mehmet-erim <bilgi@mehmeterim.com>
Date: Thu, 19 Nov 2020 14:31:08 +0300
Subject: [PATCH] refactor: add a distincUntilChanged operator

---
 .../packages/core/src/lib/directives/permission.directive.ts   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/npm/ng-packs/packages/core/src/lib/directives/permission.directive.ts b/npm/ng-packs/packages/core/src/lib/directives/permission.directive.ts
index d72f8129fc..2e16cc0f2f 100644
--- a/npm/ng-packs/packages/core/src/lib/directives/permission.directive.ts
+++ b/npm/ng-packs/packages/core/src/lib/directives/permission.directive.ts
@@ -7,11 +7,11 @@ import {
   OnDestroy,
   Optional,
   Renderer2,
-  SimpleChanges,
   TemplateRef,
   ViewContainerRef,
 } from '@angular/core';
 import { Subscription } from 'rxjs';
+import { distinctUntilChanged } from 'rxjs/operators';
 import { PermissionService } from '../services/permission.service';
 
 @Directive({
@@ -38,6 +38,7 @@ export class PermissionDirective implements OnDestroy, OnChanges {
 
     this.subscription = this.permissionService
       .getGrantedPolicy$(this.condition)
+      .pipe(distinctUntilChanged())
       .subscribe(isGranted => {
         if (this.templateRef) this.initStructural(isGranted);
         else this.initAttribute(isGranted);