add sync download

src/uitls/hash.ts

@@ -0,0 +1,11 @@
+import MD5 from 'crypto-js/md5.js';
+import fs from 'node:fs';
+
+export const getHash = (file: string) => {
+  const content = fs.readFileSync(file, 'utf-8');
+  return MD5(content).toString();
+};
+
+export const getBufferHash = (buffer: Buffer) => {
+  return MD5(buffer.toString()).toString();
+};