Update eslint to v9

Author: Corentin Mors

.eslintrc.json

@@ -44,6 +44,13 @@ yarn run pkg
 
 It outputs in `bundle` directory. Be aware you must use the same Node version as the target.
 
+> [!NOTE]
+> If you're using vscode, you need to enable eslint flat configuration in your settings `.vscode/settings.json`.
+>
+> ```
+> "eslint.experimental.useFlatConfig": true`
+> ```
+
 ### Debug mode
 
 You can use `--debug` to see all the debug logs of the CLI.

README.md

@@ -0,0 +1,38 @@
+import tseslint from 'typescript-eslint';
+import eslint from '@eslint/js';
+import eslintPluginPrettierRecommended from 'eslint-plugin-prettier/recommended';
+
+export default tseslint.config(
+    {
+        ignores: ['**/documentation', '**/scripts'],
+    },
+    eslint.configs.recommended,
+    ...tseslint.configs.recommendedTypeChecked,
+    eslintPluginPrettierRecommended,
+    {
+        languageOptions: {
+            ecmaVersion: 2022,
+            sourceType: 'module',
+            parserOptions: {
+                project: true,
+            },
+        },
+
+        rules: {
+            'no-return-await': 'error',
+
+            '@typescript-eslint/no-explicit-any': 'off',
+            '@typescript-eslint/no-empty-interface': 'off',
+
+            '@typescript-eslint/no-unused-vars': [
+                'error',
+                {
+                    varsIgnorePattern: '[iI]gnored',
+                    argsIgnorePattern: '^_',
+                },
+            ],
+
+            'object-shorthand': ['error', 'always'],
+        },
+    }
+);

eslint.config.mjs

@@ -52,27 +52,29 @@
     },
     "devDependencies": {
         "@aivenio/tsc-output-parser": "^2.1.1",
+        "@eslint/eslintrc": "^3.1.0",
+        "@eslint/js": "^9.4.0",
         "@types/async": "^3.2.24",
         "@types/better-sqlite3": "^7.6.10",
         "@types/chai": "^4.3.16",
+        "@types/eslint__js": "^8.42.3",
         "@types/inquirer": "^9.0.7",
         "@types/libsodium-wrappers": "^0.7.14",
         "@types/mocha": "^10.0.6",
         "@types/node": "^18.19.34",
-        "@typescript-eslint/eslint-plugin": "^7.8.0",
-        "@typescript-eslint/parser": "^7.8.0",
         "@yao-pkg/pkg": "^5.11.5",
         "chai": "^5.1.1",
         "esbuild": "^0.21.5",
-        "eslint": "^8.57.0",
+        "eslint": "^9.4.0",
         "eslint-config-prettier": "^9.1.0",
-        "eslint-plugin-import": "^2.29.1",
+        "eslint-plugin-prettier": "^5.1.3",
         "execa": "^9.2.0",
         "husky": "^9.0.11",
         "mocha": "^10.4.0",
-        "prettier": "^3.2.5",
+        "prettier": "^3.3.1",
         "ts-node": "^10.9.2",
-        "typescript": "^5.4.5"
+        "typescript": "^5.4.5",
+        "typescript-eslint": "^7.12.0"
     },
     "dependencies": {
         "@dashlane/nsm-attestation": "^1.0.2",

package.json

@@ -72,7 +72,7 @@ export const configureUserPresenceVerification = async (options: {
 
     if (method === 'biometrics') {
         if (process.platform === 'darwin') {
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-var-requires
+            // eslint-disable-next-line @typescript-eslint/no-var-requires
             const nodemacauth = require('node-mac-auth') as typeof import('node-mac-auth');
             if (!nodemacauth.canPromptTouchID()) {
                 throw new Error('Biometrics are not supported on your device.');

src/command-handlers/configure.ts

@@ -13,7 +13,7 @@ export const userPresenceVerification = async (params: { deviceConfiguration: De
 
     if (deviceConfiguration.userPresenceVerification === 'biometrics') {
         if (process.platform === 'darwin') {
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-var-requires
+            // eslint-disable-next-line @typescript-eslint/no-var-requires
             const nodemacauth = require('node-mac-auth') as typeof import('node-mac-auth');
             const { canPromptTouchID, promptTouchID } = nodemacauth;
             if (canPromptTouchID()) {