update eslint config for 9.x

eslint.config.cjs

@@ -0,0 +1,83 @@
+/* eslint-disable @typescript-eslint/no-require-imports */
+/* global require, __dirname, module */
+
+const { fixupConfigRules, fixupPluginRules } = require('@eslint/compat');
+const { FlatCompat } = require('@eslint/eslintrc');
+const js = require('@eslint/js');
+const typescriptEslint = require('@typescript-eslint/eslint-plugin');
+const tsParser = require('@typescript-eslint/parser');
+const prettier = require('eslint-plugin-prettier');
+const react = require('eslint-plugin-react');
+const reactHooks = require('eslint-plugin-react-hooks');
+const requireExtensions = require('eslint-plugin-require-extensions');
+
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all,
+});
+
+module.exports = [
+    {
+        ignores: [
+            '**/.changeset',
+            '**/.github',
+            '**/.next',
+            '**/.parcel-cache',
+            '**/docs',
+            '**/lib',
+            '**/build',
+            '**/dist',
+            '**/out',
+        ],
+    },
+    ...fixupConfigRules(
+        compat.extends(
+            'eslint:recommended',
+            'plugin:@typescript-eslint/recommended',
+            'plugin:prettier/recommended',
+            'plugin:react/recommended',
+            'plugin:react-hooks/recommended',
+            'plugin:require-extensions/recommended'
+        )
+    ),
+    {
+        plugins: {
+            '@typescript-eslint': fixupPluginRules(typescriptEslint),
+            prettier: fixupPluginRules(prettier),
+            react: fixupPluginRules(react),
+            'react-hooks': fixupPluginRules(reactHooks),
+            'require-extensions': fixupPluginRules(requireExtensions),
+        },
+        languageOptions: {
+            parser: tsParser,
+        },
+        settings: {
+            react: {
+                version: 'detect',
+            },
+        },
+        rules: {
+            '@typescript-eslint/ban-ts-comment': 'off',
+            '@typescript-eslint/no-explicit-any': 'off',
+            '@typescript-eslint/no-unused-vars': 'off',
+            '@typescript-eslint/no-empty-function': 'off',
+            '@typescript-eslint/no-empty-interface': 'off',
+            '@typescript-eslint/consistent-type-imports': 'error',
+            'no-inner-declarations': 'off',
+            'react/no-unescaped-entities': [
+                'error',
+                {
+                    forbid: ['>'],
+                },
+            ],
+            '@typescript-eslint/no-unused-expressions': ['error', { allowShortCircuit: true, allowTernary: true }],
+        },
+    },
+    {
+        files: ['**/*.test.ts'],
+        rules: {
+            'require-extensions/require-extensions': 'off',
+        },
+    },
+];

package.json

@@ -31,6 +31,7 @@
     },
     "devDependencies": {
         "@changesets/cli": "^2.27.11",
+        "@eslint/compat": "^1.2.5",
         "@types/chrome": "^0.0.294",
         "@types/jest": "^29.5.14",
         "@types/node": "^22.10.6",