Fix eslint ... v9 upgrade broke!

.eslintignore

@@ -1 +0,0 @@
-dist/

eslint.config.js

@@ -0,0 +1,22 @@
+// eslint.config.js for ESLint v9+ (flat config)
+import js from '@eslint/js';
+const { configs } = js;
+
+export default [
+  {
+    ...configs.recommended,
+    languageOptions: {
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+    },
+  },
+  {
+    ignores: [
+      'dist/',
+      'coverage/',
+      'output.json',
+      '*.d.ts',
+      'node_modules/',
+    ],
+  },
+];

jest.config.js

@@ -1,5 +1,3 @@
-import babel from 'babel-jest';
-
 export default {
   testEnvironment: 'node',
   extensionsToTreatAsEsm: ['.ts'],

package-lock.json

@@ -22,6 +22,7 @@
       "devDependencies": {
         "@babel/preset-env": "^7.27.2",
         "@babel/preset-typescript": "^7.27.1",
+        "@eslint/js": "^9.26.0",
         "@types/glob": "^8.1.0",
         "@types/jest": "^29.5.14",
         "@vercel/ncc": "^0.38.3",

package.json

@@ -39,6 +39,7 @@
   "devDependencies": {
     "@babel/preset-env": "^7.27.2",
     "@babel/preset-typescript": "^7.27.1",
+    "@eslint/js": "^9.26.0",
     "@types/glob": "^8.1.0",
     "@types/jest": "^29.5.14",
     "@vercel/ncc": "^0.38.3",