viewer/navigation: fix undefined check

item? may return undefined, and undefined === null returns false.

Co-authored-by: OzoneGrif <OzoneGrif@users.noreply.github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/viewer/src/services/navigation.ts b/viewer/src/services/navigation.ts
index aa7ef5e..1869702 100644
--- a/viewer/src/services/navigation.ts
+++ b/viewer/src/services/navigation.ts
@@ -41,7 +41,7 @@ export default class Navigation {
 
   // Checks if the type of an item matches
   public static checkType(item: Gallery.Item | null, type: Gallery.ItemType | null): boolean {
-    return item?.properties.type === type;
+    return (item?.properties.type ?? null) === type;
   }
 
   public static getLastDirectory(itemPath: Gallery.Item[]): Gallery.Directory {