Fix crash for card cover defined without objectFit (#3683)

Author: SamyPesse

.changeset/shiny-onions-guess.md

@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+Fix crash for card cover defined without objectFit

packages/gitbook/src/components/DocumentView/Table/utils.ts

@@ -71,16 +71,18 @@ function processCoverValue(value: DocumentTableImageRecord | string[] | null | u
         }
     }
 
+    const imageValue = value as DocumentTableImageRecord | null | undefined;
+
     // Check if it's the new schema with objectFit
-    if (value && typeof value === 'object' && 'ref' in value && 'objectFit' in value) {
+    if (imageValue && typeof imageValue === 'object' && 'ref' in imageValue) {
         return {
-            contentRef: value.ref,
-            objectFit: value.objectFit,
+            contentRef: imageValue.ref,
+            objectFit: imageValue.objectFit,
         };
     }
 
     // It's a direct ContentRef
-    return { contentRef: value as ContentRefFile | ContentRefURL };
+    return { contentRef: imageValue || null };
 }
 
 /**