Upgrade to Stylelint 16 and migrate to ESM (#352)

.changeset/twenty-pants-lay.md

@@ -0,0 +1,5 @@
+---
+'stylelint-config-recess-order': major
+---
+
+Upgrade to [Stylelint 16](https://stylelint.io/migration-guide/to-16/#removed-support-for-nodejs-less-than-18120) and migrate to ECMAScript modules (ESM). The minimum required Node.js version is 18.12.0.

__tests__/index.mjs → __tests__/index.js

@@ -2,7 +2,7 @@ import test from 'ava'
 import stylelint from 'stylelint'
 
 import config from '../index.js'
-import { correctOrder, incorrectOrder } from './_fixtures.mjs'
+import { correctOrder, incorrectOrder } from './_fixtures.js'
 
 const runStylelint = async (code) => {
 	let data = await stylelint.lint({

groups.js

@@ -443,4 +443,4 @@ const propertyGroups = [
 	},
 ]
 
-module.exports = propertyGroups
+export default propertyGroups

index.js

@@ -1,8 +1,10 @@
-const propertyGroups = require('./groups.js')
+import propertyGroups from './groups.js'
 
-module.exports = {
+const config = {
 	plugins: ['stylelint-order'],
 	rules: {
 		'order/properties-order': propertyGroups,
 	},
 }
+
+export default config

package.json

@@ -2,6 +2,8 @@
   "name": "stylelint-config-recess-order",
   "version": "4.6.0",
   "description": "Recess-based property sort order for Stylelint.",
+  "type": "module",
+  "exports": "./index.js",
   "keywords": [
     "bootstrap",
     "properties-order",
@@ -46,7 +48,7 @@
     ]
   },
   "dependencies": {
-    "stylelint-order": "6.x"
+    "stylelint-order": "^6.0.4"
   },
   "devDependencies": {
     "@changesets/cli": "2.27.1",
@@ -59,10 +61,10 @@
     "lint-staged": "15.2.2",
     "prettier": "3.2.5",
     "prettier-plugin-packagejson": "2.4.10",
-    "stylelint": "15.1.0",
+    "stylelint": "16.2.0",
     "typescript": "4.9.5"
   },
   "peerDependencies": {
-    "stylelint": ">=15"
+    "stylelint": ">=16"
   }
 }