optimize folder

src/sync.ts

@@ -540,14 +540,9 @@ const assignOperationToFolderInplace = async (
       // if it was created after deletion, we should keep it as is
       if (requireApiVersion(API_VER_STAT_FOLDER)) {
         if (r.existLocal) {
-          try {
           const { ctime, mtime } = await vault.adapter.stat(r.key);
           const cmtime = Math.max(ctime, mtime);
-            if (
-              cmtime > 0 &&
-              cmtime >= deltimeLocal &&
-              cmtime >= deltimeRemote
-            ) {
+          if (cmtime > 0 && cmtime >= deltimeLocal && cmtime >= deltimeRemote) {
             keptFolder.add(getParentFolder(r.key));
             if (r.existLocal && r.existRemote) {
               r.decision = "skipFolder";
@@ -561,12 +556,11 @@ const assignOperationToFolderInplace = async (
               );
             }
           }
-          } catch (error) {
-            // pass
-          }
         }
       }
 
+      if (r.decision === undefined) {
+        // not yet decided by the above reason
         if (deltimeLocal > 0 && deltimeLocal > deltimeRemote) {
           r.decision = "uploadLocalDelHistToRemoteFolder";
           r.decisionBranch = 8;
@@ -574,6 +568,7 @@ const assignOperationToFolderInplace = async (
           r.decision = "keepRemoteDelHistFolder";
           r.decisionBranch = 9;
         }
+      }
     } else {
       // it does not have any deletion commands
       // keep it as is, and create it if necessary