work on archiver

ts/export/packer/local.ts

@@ -0,0 +1,15 @@
+import {Packer} from "./packer";
+import * as fs from 'fs';
+
+export class LocalPacker extends Packer {
+    private stream: fs.WriteStream
+    
+    constructor(path: string) {
+        super();
+        this.stream = fs.createWriteStream(path);
+    }
+   
+   pack() {
+       super.pack(this.stream);
+   }
+}