From f8a75d4af74a2a63f1ddbbe0fc04dced1d214185 Mon Sep 17 00:00:00 2001
From: MichalKinas <113341662+MichalKinas@users.noreply.github.com>
Date: Thu, 12 Jun 2025 11:47:22 +0200
Subject: [PATCH] Viewer renderer stop loading when subsequent renderer throws
 error (#10931)

* Viewer renderer stop loading when subsequent renderer throws error

* Update lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts

* CR fix

---------

Co-authored-by: Michaela <85624192+mkrbr@users.noreply.github.com>
---
 .../viewer-render/viewer-render.component.spec.ts     | 11 +++++++++++
 .../viewer-render/viewer-render.component.ts          |  1 +
 2 files changed, 12 insertions(+)

diff --git a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts
index 61cbc21d94..61f5a88748 100644
--- a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts
+++ b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.spec.ts
@@ -537,5 +537,16 @@ describe('ViewerComponent', () => {
             expect(component.viewerType).toBe('image');
             expect(component.markAsLoaded).toHaveBeenCalled();
         });
+
+        it('should not show spinner and set viewerType to unknown if subsequent renderer throws an error', () => {
+            component.urlFile = 'some-url.png';
+            fixture.detectChanges();
+            expect(getMainLoader()).not.toBeNull();
+
+            component.onUnsupportedFile();
+            fixture.detectChanges();
+            expect(getMainLoader()).toBeNull();
+            expect(component.viewerType).toBe('unknown');
+        });
     });
 });
diff --git a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts
index 6df1f1ae47..fda556f654 100644
--- a/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts
+++ b/lib/core/src/lib/viewer/components/viewer-render/viewer-render.component.ts
@@ -235,6 +235,7 @@ export class ViewerRenderComponent implements OnChanges, OnInit {
 
     onUnsupportedFile() {
         this.viewerType = 'unknown';
+        this.isLoading = false;
     }
 
     onClose() {