perf: update eslint to v9

eslint.config.mjs

@@ -0,0 +1,23 @@
+// @ts-check
+import eslint from '@eslint/js';
+import tsEslint from 'typescript-eslint';
+import unusedImports from 'eslint-plugin-unused-imports';
+import eslintConfigPrettier from 'eslint-config-prettier';
+
+export default tsEslint.config(
+  eslint.configs.recommended,
+  ...tsEslint.configs.recommended,
+  eslintConfigPrettier,
+  {
+    plugins: {
+      'unused-imports': unusedImports,
+    },
+    rules: {
+      quotes: ['error', 'single', { allowTemplateLiterals: false }],
+      'no-unused-vars': 'off',
+      '@typescript-eslint/no-unused-vars': 'off',
+      'unused-imports/no-unused-imports': 'error',
+      'unused-imports/no-unused-vars': 'error',
+    },
+  },
+);

package.json

@@ -16,8 +16,8 @@
   },
   "lint-staged": {
     "*.{js,cjs,mjs,ts,jsx,tsx}": [
-      "prettier --cache --write",
-      "eslint --cache --fix"
+      "eslint --cache --fix",
+      "prettier --cache --write"
     ],
     "*.json": [
       "prettier --cache --write"
@@ -34,27 +34,27 @@
     "@commitlint/cli": "19.3.0",
     "@commitlint/config-conventional": "19.2.2",
     "@commitlint/types": "19.0.3",
+    "@eslint/js": "9.8.0",
     "@gkd-kit/api": "0.3.3",
     "@gkd-kit/define": "0.0.1",
     "@gkd-kit/tools": "0.5.0",
-    "@types/node": "20.14.10",
-    "@typescript-eslint/eslint-plugin": "7.16.1",
-    "@typescript-eslint/parser": "7.16.1",
-    "eslint": "8.57.0",
+    "@types/eslint__js": "8.42.3",
+    "@types/node": "22.1.0",
+    "eslint": "9.8.0",
     "eslint-config-prettier": "9.1.0",
-    "eslint-define-config": "2.1.0",
-    "eslint-plugin-unused-imports": "3.2.0",
+    "eslint-plugin-unused-imports": "4.0.1",
     "json5": "2.2.3",
-    "lint-staged": "15.2.7",
+    "lint-staged": "15.2.8",
     "prettier": "3.3.3",
     "simple-git-hooks": "2.11.1",
-    "tsx": "4.16.2",
-    "typescript": "5.5.3"
+    "tsx": "4.16.5",
+    "typescript": "5.5.4",
+    "typescript-eslint": "8.0.1"
   },
   "volta": {
     "node": "22.4.0"
   },
-  "packageManager": "pnpm@9.5.0",
+  "packageManager": "pnpm@9.6.0",
   "engineStrict": true,
   "engines": {
     "node": ">=22"