From d8b232db67ed5434ff7b72d6ae4cd43cf5f9fb80 Mon Sep 17 00:00:00 2001
From: "Feng.YJ" <32027253+huiyifyj@users.noreply.github.com>
Date: Fri, 5 Jan 2024 21:45:24 +0800
Subject: [PATCH] Move to ESM and require minimum node 16 (#32)

* Refactor: move to [ESM](https://nodejs.org/api/esm.html), refer to https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
* Update doc and comments.
* Require minimum node version 16.
---
 README.md        | 3 +--
 md5.d.ts         | 5 ++---
 md5.js           | 5 ++---
 package.json     | 5 +++++
 test/md5.test.js | 4 ++--
 5 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index b80e6d5..6d42894 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,7 @@ npm i @xn-02f/md5
 ## Usage
 
 ```javascript
-const md5 = require('@xn-02f/md5');
-// import md5 from '@xn-02f/md5'
+import md5 from '@xn-02f/md5'
 
 md5('xn-02f');  // => '54d30fa674d13e3598970bc9c5e2388e'
 ```
diff --git a/md5.d.ts b/md5.d.ts
index c8fd37d..aa3cfde 100644
--- a/md5.d.ts
+++ b/md5.d.ts
@@ -5,11 +5,10 @@
  * @return {string} The hexadecimal hash string that is handled and converted.
  * @example
  * ```
- * import md5 = require('@xn-02f/md5');
- * // import md5 from '@xn-02f/md5';
+ * import md5 from '@xn-02f/md5';
  * md5('xn-02f'); //=> '54d30fa674d13e3598970bc9c5e2388e'
  * ```
  */
 declare const md5: (data: string) => string;
 
-export = md5;
+export default md5;
diff --git a/md5.js b/md5.js
index ef33aac..77657ef 100644
--- a/md5.js
+++ b/md5.js
@@ -11,12 +11,11 @@
  * @return {string} The hexadecimal hash string that is handled and converted.
  * @example
  * ```
- * const md5 = require('@xn-02f/md5');
- * // import md5 from '@xn-02f/md5';
+ * import md5 from '@xn-02f/md5';
  * md5('xn-02f'); //=> '54d30fa674d13e3598970bc9c5e2388e'
  * ```
  */
-module.exports = data => {
+export default data => {
     const stringUTF8 = unescape(encodeURIComponent(data));
 
     const stringNumArr = rstr2binl(stringUTF8);
diff --git a/package.json b/package.json
index 981a581..a376c19 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,8 @@
   "name": "@xn-02f/md5",
   "version": "2.4.4",
   "description": "A tiny MD5 library without dependencies for node, convert string to MD5 hash.",
+  "type": "module",
+  "exports": "./md5.js",
   "main": "md5.js",
   "types": "md5.d.ts",
   "scripts": {
@@ -24,6 +26,9 @@
     "ava": "5.x",
     "tsd": "^0.28.1"
   },
+  "engines": {
+    "node": ">=16"
+  },
   "files": [
     "md5.js",
     "md5.d.ts"
diff --git a/test/md5.test.js b/test/md5.test.js
index 34b0458..7550fb7 100644
--- a/test/md5.test.js
+++ b/test/md5.test.js
@@ -1,9 +1,9 @@
 /*
  * This file is used to test.
  */
-const test = require('ava');
+import test from 'ava';
 
-const md5 = require('../md5');
+import md5 from '../md5.js';
 
 // Instance object for testing
 const example = {