Fix modify time comparison check equality embedded files

Author: liborm85

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Fix PDF/A3 compliance of attachments
 - Fix CIDSet generation only for PDF/A1 subset
 - Fix missing acroform font dictionary
+- Fix modify time comparison check equality embedded files
 
 ### [v0.15.1] - 2024-10-30
 

lib/mixins/attachments.js

@@ -120,6 +120,7 @@ function isEqual(a, b) {
     a.Params.CheckSum.toString() === b.Params.CheckSum.toString() &&
     a.Params.Size === b.Params.Size &&
     a.Params.CreationDate.getTime() === b.Params.CreationDate.getTime() &&
-    a.Params.ModDate.getTime() === b.Params.ModDate.getTime()
+    ((a.Params.ModDate === undefined && b.Params.ModDate === undefined) ||
+      a.Params.ModDate.getTime() === b.Params.ModDate.getTime())
   );
 }