fix: 🐛 imrpve seqid handling on close

Author: streamich

src/nfs/v4/client/Nfsv4FsClient.ts

@@ -97,9 +97,16 @@ export class Nfsv4FsClient implements NfsFsClient {
     openOwner: structs.Nfsv4OpenOwner,
     stateid: structs.Nfsv4Stateid,
   ): Promise<void> => {
+    const key = this.makeOpenOwnerKey(openOwner);
+    const previousSeqid = this.openOwnerSeqids.get(key);
     const seqid = this.nextOpenOwnerSeqid(openOwner);
     const response = await this.fs.compound([nfs.CLOSE(seqid, stateid)]);
     if (response.status !== Nfsv4Stat.NFS4_OK) {
+      if (previousSeqid !== undefined) {
+        this.openOwnerSeqids.set(key, previousSeqid);
+      } else {
+        this.openOwnerSeqids.delete(key);
+      }
       throw new Error(`Failed to close file: ${response.status}`);
     }
   };

tslint.json

@@ -11,6 +11,7 @@
     "no-unnecessary-initializer": false,
     "no-this-assignment": false,
     "no-duplicate-imports": false,
+    "no-invalid-this": false,
     "no-angle-bracket-type-assertion": false,
     "ban-comma-operator": false,
     "no-unused-expression": false,