Create a unique temp directory for storing uploaded files

Author: mjackson

packages/form-data-parser/examples/node/server.js

@@ -1,15 +1,18 @@
+import * as fsp from 'node:fs/promises';
 import * as http from 'node:http';
 import * as os from 'node:os';
+import * as path from 'node:path';
 import { LocalFileStorage } from '@mjackson/file-storage/local';
 import { parseFormData } from '@mjackson/form-data-parser';
 import { MultipartParseError, MaxFileSizeExceededError } from '@mjackson/multipart-parser';
 import { createRequestListener } from '@mjackson/node-fetch-server';
 
 const PORT = 3000;
-
 const oneMb = 1024 * 1024;
 
-const fileStorage = new LocalFileStorage(os.tmpdir());
+const fileStorage = new LocalFileStorage(
+  await fsp.mkdtemp(path.join(os.tmpdir(), 'form-data-parser-')),
+);
 
 const server = http.createServer(
   createRequestListener(async (request) => {