Migrate to ESM

.eslintrc.json

@@ -1,11 +1,10 @@
 {
   "extends": ["eslint:recommended"],
   "parserOptions": {
-    "sourceType": "script",
-    "ecmaVersion": 2020
+    "sourceType": "module"
   },
   "env": {
-    "es6": true,
+    "es2022": true,
     "node": true
   },
   "rules": {

jest-setup.js

@@ -1,6 +1,4 @@
-"use strict";
-
-const getTestRule = require("jest-preset-stylelint/getTestRule");
+import { getTestRule } from "jest-preset-stylelint";
 
 global.testRule = getTestRule({ plugins: ["./src"] });
 

jest.config.js

@@ -1,6 +1,5 @@
-"use strict";
-
-module.exports = {
+/** @satisfies {import('jest').Config} */
+const config = {
   preset: "jest-preset-stylelint",
   clearMocks: true,
   collectCoverage: false,
@@ -15,8 +14,11 @@ module.exports = {
       statements: 75
     }
   },
-  setupFiles: ["./jest-setup.js"],
+  setupFiles: ["<rootDir>/jest-setup.js"],
+  runner: "jest-light-runner",
   testEnvironment: "node",
   roots: ["src"],
   testRegex: ".*\\.test\\.js$|src/.*/__tests__/.*\\.js$"
 };
+
+export default config;