From 4b3444dd5ef16039cb48c02ebfd73f096aa92e8e Mon Sep 17 00:00:00 2001
From: Vadim Dalecky <streamich@gmail.com>
Date: Mon, 19 Jun 2023 00:16:12 +0200
Subject: [PATCH] =?UTF-8?q?feat:=20=F0=9F=8E=B8=20add=20unlinkSync()=20met?=
 =?UTF-8?q?hod?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 demo/fsa/main.ts                            | 5 +++++
 src/fsa-to-node/FsaNodeFs.ts                | 6 +++++-
 src/fsa-to-node/types.ts                    | 1 +
 src/fsa-to-node/worker/FsaNodeSyncWorker.ts | 3 +++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/demo/fsa/main.ts b/demo/fsa/main.ts
index dceeee119..bc359d66f 100644
--- a/demo/fsa/main.ts
+++ b/demo/fsa/main.ts
@@ -71,6 +71,11 @@ const demo = async (dir: fsa.IFileSystemDirectoryHandle) => {
   await fs.promises.writeFile('/truncated.txt', 'truncate here: abcdefghijklmnopqrstuvwxyz');
   fs.truncateSync('/truncated.txt', 14);
   strictEqual(fs.readFileSync('/truncated.txt', 'utf8'), 'truncate here:');
+
+  console.log('unlinkSync() - can delete a file');
+  await fs.promises.writeFile('/delete-me.txt', 'abc');
+  fs.unlinkSync('/delete-me.txt');
+  strictEqual(fs.existsSync('/delete-me.txt'), false);
 };
 
 const main = async () => {
diff --git a/src/fsa-to-node/FsaNodeFs.ts b/src/fsa-to-node/FsaNodeFs.ts
index 96f03428e..bb6e57bb8 100644
--- a/src/fsa-to-node/FsaNodeFs.ts
+++ b/src/fsa-to-node/FsaNodeFs.ts
@@ -902,11 +902,15 @@ export class FsaNodeFs extends FsaNodeCore implements FsCallbackApi, FsSynchrono
     this.truncateSync(filename, len);
   };
 
+  public readonly unlinkSync: FsSynchronousApi['unlinkSync'] = (path: misc.PathLike): void => {
+    const filename = pathToFilename(path);
+    this.getSyncAdapter().call('unlink', [filename]);
+  };
+
   public readonly openSync: FsSynchronousApi['openSync'] = notSupported;
   public readonly readdirSync: FsSynchronousApi['readdirSync'] = notSupported;
   public readonly readSync: FsSynchronousApi['readSync'] = notSupported;
   public readonly realpathSync: FsSynchronousApi['realpathSync'] = notSupported;
-  public readonly unlinkSync: FsSynchronousApi['unlinkSync'] = notSupported;
   public readonly writeSync: FsSynchronousApi['writeSync'] = notSupported;
 
   public readonly chmodSync: FsSynchronousApi['chmodSync'] = noop;
diff --git a/src/fsa-to-node/types.ts b/src/fsa-to-node/types.ts
index 50de9e687..1f51cd47f 100644
--- a/src/fsa-to-node/types.ts
+++ b/src/fsa-to-node/types.ts
@@ -19,6 +19,7 @@ export interface FsaNodeSyncAdapterApi {
   mkdir(req: [filename: string, opts?: misc.TMode | opts.IMkdirOptions]): string | undefined;
   mkdtemp(req: [filename: string, opts?: misc.TMode | opts.IOptions]): string;
   trunc(req: [filename: string, len: number]): void;
+  unlink(req: [filename: string]): void;
 }
 
 export interface FsaNodeSyncAdapter {
diff --git a/src/fsa-to-node/worker/FsaNodeSyncWorker.ts b/src/fsa-to-node/worker/FsaNodeSyncWorker.ts
index 69ef8f9b4..e72da6e1c 100644
--- a/src/fsa-to-node/worker/FsaNodeSyncWorker.ts
+++ b/src/fsa-to-node/worker/FsaNodeSyncWorker.ts
@@ -156,5 +156,8 @@ export class FsaNodeSyncWorker {
     trunc: async ([filename, len]): Promise<void> => {
       await this.fs.promises.truncate(filename, len);
     },
+    unlink: async ([filename]): Promise<void> => {
+      await this.fs.promises.unlink(filename);
+    },
   };
 }