Update to Eslint 9

lerna.json

@@ -1,6 +1,5 @@
 {
   "npmClient": "yarn",
-  "useWorkspaces": true,
   "packages": [
     "packages/*"
   ],

package.json

@@ -1,6 +1,7 @@
 {
   "name": "root",
   "private": true,
+  "type": "module",
   "scripts": {
     "build:all": "yarn workspaces foreach -vp --topological-dev run build",
     "lint:all": "yarn workspaces foreach -vp run lint",
@@ -18,6 +19,8 @@
   ],
   "packageManager": "yarn@3.5.0",
   "devDependencies": {
-    "lerna": "^6.6.2"
+    "@types/node": "^22.0.0",
+    "globals": "^16.3.0",
+    "lerna": "^8.2.2"
   }
 }

packages/eslint-config-convidera/index.js

@@ -1,86 +1,119 @@
-module.exports = {
-  extends: [
-    'airbnb-base',
-  ],
-  env: {
-    browser: true,
-    es6: true,
-    node: true,
+import js from '@eslint/js';
+import importPlugin from 'eslint-plugin-import';
+import { configs } from 'eslint-config-airbnb-extended/legacy';
+import globals from 'globals';
+
+export default [
+  // Base recommended rules
+  js.configs.recommended,
+  ...configs.base.recommended,
+
+  // Import plugin configuration
+  {
+    plugins: {
+      import: importPlugin,
+    },
+    rules: {
+      // Import rules
+      'import/no-duplicates': 'error',
+      'import/order': 'error',
+      'import/prefer-default-export': 'off',
+      'import/no-extraneous-dependencies': 'off',
+    },
   },
-  rules: {
-    'brace-style': [
-      'error',
-      '1tbs',
-      {
-        allowSingleLine: false,
-      },
-    ],
-    'import/prefer-default-export': 'off',
-    'import/no-extraneous-dependencies': 'off',
-    curly: [
-      'error',
-      'all',
-    ],
-    'array-element-newline': [
-      'error',
-      'always',
-    ],
 
-    'array-bracket-newline': [
-      'error',
-      {
-        multiline: true,
-        minItems: 1,
-      },
-    ],
+  // Custom rules
+  {
+    rules: {
+      // Code style rules
+      'brace-style': [
+        'error',
+        '1tbs',
+        {
+          allowSingleLine: false,
+        },
+      ],
+      curly: [
+        'error',
+        'all',
+      ],
+      'linebreak-style': [
+        'error',
+        'unix',
+      ],
+      'arrow-body-style': 'off',
+      'prefer-destructuring': 'off',
 
-    'object-property-newline': [
-      2,
-      {
-        allowAllPropertiesOnSameLine: false,
-      },
-    ],
-    'object-curly-newline': [
-      'error',
-      {
-        ObjectExpression: {
+      // Array and object formatting
+      'array-element-newline': [
+        'error',
+        'always',
+      ],
+      'array-bracket-newline': [
+        'error',
+        {
           multiline: true,
-          minProperties: 1,
+          minItems: 1,
         },
-        ObjectPattern: {
-          multiline: true,
-          minProperties: 1,
+      ],
+      'object-property-newline': [
+        'error',
+        {
+          allowAllPropertiesOnSameLine: false,
         },
-        ImportDeclaration: {
-          multiline: true,
-          minProperties: 1,
+      ],
+      'object-curly-newline': [
+        'error',
+        {
+          ObjectExpression: {
+            multiline: true,
+            minProperties: 1,
+          },
+          ObjectPattern: {
+            multiline: true,
+            minProperties: 1,
+          },
+          ImportDeclaration: {
+            multiline: true,
+            minProperties: 1,
+          },
+          ExportDeclaration: {
+            multiline: true,
+            minProperties: 1,
+          },
         },
-        ExportDeclaration: {
-          multiline: true,
-          minProperties: 1,
+      ],
+
+      // Console and logging
+      'no-console': [
+        'warn',
+        {
+          allow: [
+            'warn',
+            'error',
+          ],
         },
-      },
-    ],
-    'no-console': [
-      'warn',
-      {
-        allow: [
-          'warn',
-          'error',
-        ],
-      },
-    ],
-    'linebreak-style': [
-      2,
-      'unix',
-    ],
-    'arrow-body-style': 0,
-    'prefer-destructuring': 0,
+      ],
 
-    'no-restricted-syntax': [
-      'off',
-      'ForOfStatement',
-      'ForInStatement',
-    ],
+      // Syntax restrictions
+      'no-restricted-syntax': [
+        'off',
+        'ForOfStatement',
+        'ForInStatement',
+      ],
+    },
+  },
+
+  // Environment configuration
+  {
+    languageOptions: {
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+      globals: {
+        ...globals.es2022,
+        ...globals.browser,
+        ...globals.node,
+      },
+    },
   },
-};
+];

packages/eslint-config-convidera/package.json

@@ -2,18 +2,21 @@
   "name": "@convidera-team/eslint-config-convidera",
   "version": "1.5.1",
   "description": "Eslint config used in Convidera",
+  "type": "module",
   "main": "index.js",
   "author": "Convidera",
   "license": "ISC",
   "files": [
     "index.js"
   ],
   "dependencies": {
-    "eslint-config-airbnb-base": "^15.0.0",
-    "eslint-plugin-import": "^2.29.1"
+    "@eslint/compat": "^1.3.2",
+    "@eslint/js": "^9.34.0",
+    "eslint-config-airbnb-extended": "^2.2.0",
+    "eslint-plugin-import": "^2.32.0"
   },
   "peerDependencies": {
-    "eslint": ">=8"
+    "eslint": ">=9"
   },
   "publishConfig": {
     "access": "public"

packages/eslint-config-ts-convidera/index.js

@@ -1,22 +1,37 @@
-module.exports = {
-  parser: '@typescript-eslint/parser',
-  plugins: [
-    '@typescript-eslint',
-  ],
-  extends: [
-    '@convidera-team/eslint-config-convidera',
-    'plugin:@typescript-eslint/eslint-recommended',
-  ],
+import baseConfig from '@convidera-team/eslint-config-convidera';
+import tsPlugin from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
 
-  rules: {
-    // @see https://github.com/typescript-eslint/typescript-eslint/issues/2471#issuecomment-696609988
-    'no-shadow': 'off',
-    '@typescript-eslint/no-shadow': 'error',
-
-    'no-unused-vars': 'off',
-    '@typescript-eslint/no-unused-vars': 'error',
-
-    'import/extensions': 'off',
-    'import/no-unresolved': 'off',
+export default [
+  // Base configuration
+  ...baseConfig,
+
+  // TypeScript configuration
+  {
+    files: ['**/*.ts', '**/*.tsx', '**/*.mts'],
+    plugins: {
+      '@typescript-eslint': tsPlugin,
+    },
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      // Disable base rules that conflict with TypeScript
+      'no-shadow': 'off',
+      'no-unused-vars': 'off',
+
+      // TypeScript-specific rules
+      '@typescript-eslint/no-shadow': 'error',
+      '@typescript-eslint/no-unused-vars': 'error',
+      '@typescript-eslint/no-explicit-any': 'warn',
+
+      // Import rules for TypeScript
+      'import/extensions': 'off',
+      'import/no-unresolved': 'off',
+    },
   },
-};
+]; 

packages/eslint-config-ts-convidera/package.json

@@ -2,6 +2,7 @@
   "name": "@convidera-team/eslint-config-ts-convidera",
   "version": "1.1.3",
   "description": "Eslint typescript config used in Convidera",
+  "type": "module",
   "main": "index.js",
   "author": "Convidera",
   "license": "ISC",
@@ -10,12 +11,12 @@
   ],
   "dependencies": {
     "@convidera-team/eslint-config-convidera": "^1.5.1",
-    "@typescript-eslint/eslint-plugin": "^7.7.0",
-    "@typescript-eslint/parser": "^7.7.0",
-    "typescript": "^5.4.5"
+    "@typescript-eslint/eslint-plugin": "^8.41.0",
+    "@typescript-eslint/parser": "^8.41.0",
+    "typescript": "^5.9.2"
   },
   "peerDependencies": {
-    "eslint": ">=8"
+    "eslint": ">=9"
   },
   "publishConfig": {
     "access": "public"