fix missing file close

src/NodeFileSystemFileHandle.ts

@@ -9,7 +9,7 @@ import type {
     FileSystemGetFileOptions,
     FileSystemCreateWritableOptions,
     FileSystemWritableFileStream,
-    File
+    File as WebFile
 } from '@sugoidogo/importable-types-web'
 
 export default class NodeFileSystemFileHandle extends NodeFileSystemHandle implements FileSystemFileHandle {
@@ -24,13 +24,10 @@ export default class NodeFileSystemFileHandle extends NodeFileSystemHandle imple
     async createWritable(options: FileSystemCreateWritableOptions = {}): Promise<FileSystemWritableFileStream> {
         return new NodeFileSystemWritableFileStream(this.path,options)
     }
-    async getFile(): Promise<File> {
+    async getFile(): Promise<WebFile> {
         const stats = await asyncfs.stat(this.path)
         const type = mime.getType(this.name.split('.').pop())
-        return asyncfs.readFile(this.path).then(buffer => Object.assign(new Blob([buffer], { type }), {
-            lastModified: stats.mtimeMs,
-            name: this.path,
-            webkitRelativePath: this.path
-        })) as unknown as File // TODO ArrayBufferView and DataView are incompatible types
+        const buffer = await asyncfs.readFile(this.path)
+        return new File([buffer], this.path, { "lastModified": stats.mtimeMs, "type": type }) as any //TODO Node File and Web File have some incompatibilities
     }
 }

src/NodeFileSystemWriteableFileStream.ts

@@ -39,6 +39,7 @@ export default class NodeFileSystemWritableFileStream extends WritableStream imp
         }
         const file = await asyncfs.open(this.#name,'r+')
         await file.write((wdata as Uint8Array), null, wsize, this.#seek_position)
+        await file.close()
         this.#seek_position = pseek_position
     }
 }