feat: Support StyleLint 16 (#27)

* Update package.json with build script and module exports

* Refactor code and add rollup configuration

* Fix paths

index.js

@@ -1,6 +1,6 @@
 // @ts-check
 
-module.exports = {
+export default {
 	plugins: 'stylelint-order',
 	rules: {
 		'order/properties-order': [order(), { unspecified: 'bottomAlphabetical', severity: 'warning' }],

package.json

@@ -13,8 +13,15 @@
   "engines": {
     "node": ">=18"
   },
-  "main": "index.js",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.mjs",
+  "type": "module",
+  "exports": {
+    "import": "./dist/index.mjs",
+    "require": "./dist/index.cjs"
+  },
   "scripts": {
+    "build": "rollup -c rollup.config.js",
     "lint": "biome check index.js",
     "stylelint": "stylelint --max-warnings 0 ./test/test.css",
     "format": "biome format --write index.js",
@@ -23,10 +30,11 @@
   },
   "devDependencies": {
     "@biomejs/biome": "1.4.1",
-    "stylelint": "^15.11.0"
+    "rollup": "^4.9.2",
+    "stylelint": "^16.1.0"
   },
   "peerDependencies": {
-    "stylelint": ">=15"
+    "stylelint": "^15.0.0 || ^16.0.0"
   },
   "dependencies": {
     "stylelint-order": "^6.0.3"

rollup.config.js

@@ -0,0 +1,13 @@
+export default {
+	input: 'index.js',
+	output: [
+		{
+			file: 'dist/index.mjs',
+			format: 'es',
+		},
+		{
+			file: 'dist/index.cjs',
+			format: 'cjs',
+		},
+	],
+}