feat: export hashFile

src/hasFile.spec.ts

@@ -0,0 +1,15 @@
+import { describe, it } from 'node:test'
+import assert from 'node:assert/strict'
+import path from 'node:path'
+import { hashFile } from './hashFile.js'
+import { fileURLToPath } from 'node:url'
+const __dirname = fileURLToPath(new URL('.', import.meta.url))
+
+void describe('hashFile', () => {
+ void it('should calculate correct MD5 hash value for a file', async () => {
+ const filePath = path.join(__dirname, 'test-folder', 'test.txt')
+ const expectedMd5 = '35fd70b6138a64d64c376a6549d6bf57'
+ const actualMd5 = await hashFile(filePath)
+ assert.equal(actualMd5, expectedMd5)
+ })
+})

src/hashFile.ts

@@ -0,0 +1,18 @@
+import { createHash } from 'crypto'
+import { createReadStream } from 'fs'
+
+export const hashFile = async (file: string): Promise<string> => {
+ const hash = createHash('md5')
+ const content = createReadStream(file)
+
+ return new Promise((resolve, reject) => {
+ content.pipe(hash)
+ content
+ .on('close', () => {
+ return resolve(hash.digest('hex'))
+ })
+ .on('error', (error) => {
+ return reject(error)
+ })
+ })
+}

src/hashFolder.ts

@@ -1,22 +1,7 @@
 import { createHash } from 'node:crypto'
-import { createReadStream, readdirSync, statSync } from 'node:fs'
+import { readdirSync, statSync } from 'node:fs'
 import { join } from 'node:path'
-
-const hashFile = async (file: string): Promise<string> => {
- const hash = createHash('md5')
- const content = createReadStream(file)
-
- return new Promise((resolve, reject) => {
- content.pipe(hash)
- content
- .on('close', () => {
- return resolve(hash.digest('hex'))
- })
- .on('error', (error) => {
- return reject(error)
- })
- })
-}
+import { hashFile } from './hashFile.js'
 
 const generateMd5ForFolder = async (
  path: string,