From bef7e29a3f994074abbea10512b8ec1ce213110e Mon Sep 17 00:00:00 2001
From: Wenqi Chen <1264578441@qq.com>
Date: Wed, 6 Jan 2021 20:50:37 -0600
Subject: [PATCH] fix(module:carousel): throw error when changing rtl (#6318)

close #6301
---
 components/carousel/carousel.component.ts |  4 +---
 components/carousel/carousel.spec.ts      | 21 ---------------------
 2 files changed, 1 insertion(+), 24 deletions(-)

diff --git a/components/carousel/carousel.component.ts b/components/carousel/carousel.component.ts
index c740d0d5983..0ed55642cdc 100644
--- a/components/carousel/carousel.component.ts
+++ b/components/carousel/carousel.component.ts
@@ -92,8 +92,7 @@ const NZ_CONFIG_MODULE_NAME: NzConfigKey = 'carousel';
     </ng-template>
   `,
   host: {
-    '[class.ant-carousel-vertical]': 'vertical',
-    '[class.ant-carousel-rtl]': `dir ==='rtl'`
+    '[class.ant-carousel-vertical]': 'vertical'
   }
 })
 export class NzCarouselComponent implements AfterContentInit, AfterViewInit, OnDestroy, OnChanges, OnInit {
@@ -173,7 +172,6 @@ export class NzCarouselComponent implements AfterContentInit, AfterViewInit, OnD
     this.dir = this.directionality.value;
     this.directionality.change?.pipe(takeUntil(this.destroy$)).subscribe((direction: Direction) => {
       this.dir = direction;
-      this.switchStrategy();
     });
   }
 
diff --git a/components/carousel/carousel.spec.ts b/components/carousel/carousel.spec.ts
index 75cd8609012..546f50677b0 100644
--- a/components/carousel/carousel.spec.ts
+++ b/components/carousel/carousel.spec.ts
@@ -277,27 +277,6 @@ describe('carousel', () => {
     // Already covered in components specs.
     // describe('opacity strategy', () => {});
   });
-
-  describe('RTL', () => {
-    let fixture: ComponentFixture<NzTestCarouselRtlComponent>;
-    let carouselWrapper: DebugElement;
-
-    beforeEach(() => {
-      fixture = TestBed.createComponent(NzTestCarouselRtlComponent);
-      fixture.detectChanges();
-      carouselWrapper = fixture.debugElement.query(By.directive(NzCarouselComponent));
-    });
-
-    it('should className correct', () => {
-      fixture.detectChanges();
-      expect(carouselWrapper.nativeElement.classList).toContain('ant-carousel-rtl');
-
-      fixture.componentInstance.direction = 'ltr';
-      fixture.detectChanges();
-
-      expect(carouselWrapper.nativeElement.classList).not.toContain('ant-carousel-rtl');
-    });
-  });
 });
 
 describe('carousel custom strategies', () => {