Bump eslint from 8.57.0 to 9.9.0 (#1)

* Bump eslint from 8.57.0 to 9.9.0

Bumps [eslint](https://github.com/eslint/eslint) from 8.57.0 to 9.9.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v8.57.0...v9.9.0)

---
updated-dependencies:
- dependency-name: eslint
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update eslint and config file

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Charles Demers <[email protected]>

eslint.config.mjs

@@ -0,0 +1,54 @@
+import unusedImports from 'eslint-plugin-unused-imports';
+import _import from 'eslint-plugin-import';
+import { fixupPluginRules } from '@eslint/compat';
+import typescriptEslintPlugin from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import js from '@eslint/js';
+import { FlatCompat } from '@eslint/eslintrc';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [
+  ...compat.extends('prettier'),
+  {
+    plugins: {
+      'unused-imports': unusedImports,
+      'import': fixupPluginRules(_import),
+    },
+
+    rules: {
+      'import/order': 2,
+      'unused-imports/no-unused-imports': 2,
+    },
+  },
+  {
+    files: ['**/*.ts', '**/*.tsx'],
+
+    plugins: {
+      '@typescript-eslint': typescriptEslintPlugin,
+    },
+
+    languageOptions: {
+      parser: tsParser,
+    },
+
+    rules: {
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          caughtErrorsIgnorePattern: '^_',
+          argsIgnorePattern: '^_',
+          destructuredArrayIgnorePattern: '^_',
+        },
+      ],
+    },
+  },
+];

package.json

@@ -21,11 +21,14 @@
     "prepublishOnly": "yarn build"
   },
   "devDependencies": {
+    "@eslint/compat": "^1.1.1",
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.9.0",
     "@types/react": "^18.3.3",
     "@typescript-eslint/eslint-plugin": "^8.1.0",
     "@typescript-eslint/parser": "^8.1.0",
     "@vitest/coverage-v8": "^2.0.5",
-    "eslint": "^8.57.0",
+    "eslint": "^9.9.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-unused-imports": "^4.1.3",