fix(module:upload): ensure i18n$ is defined on unsubscribe

NG-ZORRO · Oct 25, 2020 · 2d390e2 · 2d390e2
1 parent 4a00b69
commit 2d390e2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/components/upload/upload.component.ts b/components/upload/upload.component.ts
@@ -332,6 +332,8 @@ export class NzUploadComponent implements OnInit, OnChanges, OnDestroy {
   }
 
   ngOnDestroy(): void {
-    this.i18n$.unsubscribe();
+    if (this.i18n$) {
+      this.i18n$.unsubscribe();
+    }
   }
 }