Adapt to ESLint 9

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "cSpell.words": [
+    "neostandard",
+    "tseslint"
+  ]
+}

README.md

@@ -1,53 +1,26 @@
 # Rocketseat ESLint config
 
-## Whats included?
-
-- Standard config base;
-- React plugin;
-- React Hooks plugin;
-- JSX a11y plugin;
-- Prettier;
-
 ## Setup
 
-### React (with Next.js)
-
 Install dependencies:
 ```
 npm i -D eslint @rocketseat/eslint-config
 ```
-Inside `.eslintrc.json`
-```
-{
-  "extends": [
-    "@rocketseat/eslint-config/next", 
-    "next/core-web-vitals"
-  ]
-}
-```
 
-### React (without Next.js)
+### React
 
-Install dependencies:
-```
-npm i -D eslint @rocketseat/eslint-config
+Inside `eslint.config.mjs`
 ```
-Inside `.eslintrc.json`
-```
-{
-  "extends": "@rocketseat/eslint-config/react"
-}
+import config from '@rocketseat/eslint-config/react.mjs'
+
+export default config
 ```
 
 ### Node.js
 
-Install dependencies:
+Inside `eslint.config.mjs`
 ```
-npm i -D eslint @rocketseat/eslint-config
-```
-Inside `.eslintrc.json`
-```
-{
-  "extends": "@rocketseat/eslint-config/node"
-}
+import config from '@rocketseat/eslint-config/node.mjs'
+
+export default config
 ```

base.mjs

@@ -0,0 +1,31 @@
+// @ts-check
+
+import eslint from '@eslint/js'
+import tseslint from 'typescript-eslint'
+import neostandard, { resolveIgnoresFromGitignore } from 'neostandard'
+
+export default [
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  ...neostandard({
+    ignores: resolveIgnoresFromGitignore(),
+  }),
+  {
+    rules: {
+      '@stylistic/max-len': ['warn', {
+        code: 80,
+        tabWidth: 2,
+        ignoreUrls: true,
+        ignoreComments: false,
+      }],
+      '@stylistic/space-before-function-paren': ['error',
+        {
+          anonymous: 'always',
+          asyncArrow: 'always',
+          named: 'never',
+        },
+      ],
+      '@stylistic/jsx-quotes': ['error', 'prefer-double'],
+    },
+  },
+]

eslint.config.mjs

@@ -0,0 +1,3 @@
+import config from './base.mjs'
+
+export default config

node.mjs

@@ -0,0 +1,13 @@
+import globals from 'globals'
+import config from './base.mjs'
+
+export default [
+  ...config,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+    },
+  },
+]

package.json

@@ -1,35 +1,29 @@
 {
   "name": "@rocketseat/eslint-config",
-  "version": "2.2.2",
+  "version": "3.0.7",
   "private": false,
   "description": "ESLint configuration used by Rocketseat.",
-  "main": "index.js",
+  "main": "base.mjs",
   "license": "MIT",
   "repository": {
     "url": "rocketseat/eslint-config-rocketseat"
   },
   "peerDependencies": {
-    "eslint": "^8.0.0",
-    "typescript": ">=5"
+    "typescript": ">=5",
+    "eslint": ">=9"
   },
   "peerDependenciesMeta": {
     "typescript": {
       "optional": true
     }
   },
   "dependencies": {
-    "@typescript-eslint/eslint-plugin": "^6.21.0",
-    "@typescript-eslint/parser": "^6.21.0",
-    "eslint": "^8.56.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-config-standard": "^17.1.0",
-    "eslint-plugin-import": "^2.29.1",
-    "eslint-plugin-jsx-a11y": "^6.8.0",
-    "eslint-plugin-n": "^16.6.2",
-    "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-promise": "^6.1.1",
-    "eslint-plugin-react": "^7.33.2",
-    "eslint-plugin-react-hooks": "^4.6.0",
-    "prettier": "^3.2.5"
+    "@eslint/js": "^9.8.0",
+    "@types/eslint__js": "^8.42.3",
+    "eslint": "9.8.0",
+    "eslint-plugin-react-hooks": "canary",
+    "neostandard": "^0.11.2",
+    "typescript": "^5.5.4",
+    "typescript-eslint": "^8.0.1"
   }
 }

react.mjs

@@ -0,0 +1,22 @@
+// @ts-check
+
+import globals from 'globals'
+import eslintPluginReactHooks from 'eslint-plugin-react-hooks'
+import config from './base.mjs'
+
+export default [
+  ...config,
+  {
+    plugins: {
+      'react-hooks': eslintPluginReactHooks,
+    },
+    rules: {
+      ...eslintPluginReactHooks.configs.recommended.rules,
+    },
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+      },
+    },
+  },
+]