Upgrade ESlint version 9 support flat config

eslint-config/CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## v4.0.0 (unreleased)
+
+### Changed
+
+-   Update to support ESlint version 9.
+-   Removed deprecated no-var-requires rule in favor of no-require-imports rule.
+-   Removed deprecated no-throw-literal rule.
+
+### Fixed
+
+-   Update naming-convention rules ([#96](https://github.com/etn-ccis/blui-code-standards/issues/96)).
+
 ## v3.0.1 (June 8, 2022)
 
 ### Changed

eslint-config/blui-rules.js

@@ -1,12 +1,12 @@
-const bluiRules = {
+module.exports = {
     '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
     '@typescript-eslint/consistent-type-definitions': ['error', 'type'],
     '@typescript-eslint/explicit-function-return-type': 'error',
     '@typescript-eslint/naming-convention': [
         'error',
         {
             selector: 'default',
-            format: ['camelCase'],
+            format: ['camelCase', 'PascalCase'],
         },
         {
             selector: 'variable',
@@ -36,18 +36,20 @@ const bluiRules = {
             format: ['camelCase'],
             leadingUnderscore: 'require',
         },
-
         {
             selector: 'typeLike',
             format: ['PascalCase'],
         },
+        {
+            selector: 'import',
+            format: ['camelCase', 'PascalCase'],
+        },
     ],
     '@typescript-eslint/no-floating-promises': 'error',
     '@typescript-eslint/explicit-module-boundary-types': ['error', { allowArgumentsExplicitlyTypedAsAny: true }],
     '@typescript-eslint/no-array-constructor': 'off',
     '@typescript-eslint/no-explicit-any': 'off',
     '@typescript-eslint/no-require-imports': 'off',
-    '@typescript-eslint/no-var-requires': 'off',
     '@typescript-eslint/no-empty-function': 'off',
     '@typescript-eslint/no-unnecessary-condition': 'off',
     '@typescript-eslint/no-unnecessary-qualifier': 'error',
@@ -90,7 +92,6 @@ const bluiRules = {
     'no-return-assign': 'error',
     'no-self-compare': 'error',
     'no-sequences': 'error',
-    'no-throw-literal': 'error',
     'no-unused-expressions': 'error',
     'no-useless-call': 'error',
     'no-undef-init': 'error',
@@ -110,8 +111,6 @@ const bluiRules = {
     'prefer-spread': 'error',
     'prefer-template': 'error',
     'sort-imports': 'off',
-    'no-shadow': 'off',
-    '@typescript-eslint/no-shadow': ['error'],
+    "no-shadow": "off",
+    "@typescript-eslint/no-shadow": ["error"]
 };
-
-module.exports = bluiRules;

eslint-config/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@brightlayer-ui/eslint-config",
-    "version": "3.0.1",
+    "version": "4.0.0-alpha.0",
     "description": "ESLint profile for Brightlayer UI",
     "author": "Brightlayer UI <[email protected]>",
     "main": "index.js",
@@ -30,16 +30,18 @@
         "prettier": "prettier \"**/**.{ts,tsx,js,jsx,json,css,scss,html,md}\" --write"
     },
     "peerDependencies": {
-        "@typescript-eslint/eslint-plugin": "^5.9.0",
-        "eslint": ">= 8.6.0",
-        "typescript": ">= 4.0.0"
+        "typescript": "5.5.4"
     },
     "dependencies": {
-        "@typescript-eslint/parser": "^5.9.0",
-        "eslint-config-prettier": ">= 8.0.0"
+        "@eslint/js": "^9.13.0",
+        "typescript-eslint": "^8.11.0",
+        "eslint-plugin-prettier": "^5.2.1",
+        "eslint-config-prettier":"^9.1.0",
+        "@typescript-eslint/parser": "^8.10.0",
+        "eslint": ">= 9.12.0"
     },
     "optionalDependencies": {
-        "eslint-plugin-react": "^7.28.0"
+        "eslint-plugin-react": "^7.37.1"
     },
     "keywords": [
         "eslint",
@@ -51,10 +53,8 @@
     "prettier": "@brightlayer-ui/prettier-config",
     "devDependencies": {
         "@brightlayer-ui/prettier-config": "^1.0.3",
-        "@typescript-eslint/eslint-plugin": "^5.9.0",
-        "eslint": ">= 8.6.0",
-        "eslint-plugin-react": "^7.28.0",
+        "eslint-plugin-react": "^7.37.1",
         "prettier": "3.2.5",
-        "typescript": ">= 4.0.0"
+        "typescript": "5.5.4"
     }
 }

eslint-config/ts.js

@@ -1,12 +1,21 @@
-const tsProfile = {
-    parser: '@typescript-eslint/parser', // Specifies the ESLint parser
-    extends: [
-        'eslint:recommended',
-        'plugin:@typescript-eslint/recommended',
-        'plugin:@typescript-eslint/recommended-requiring-type-checking',
-        'eslint-config-prettier',
-    ],
-    rules: require('./blui-rules'),
-};
+const js = require('@eslint/js');
+const tseslint = require('typescript-eslint');
+const prettierRecommended = require('eslint-plugin-prettier/recommended');
+const typescriptEslintParser = require('@typescript-eslint/parser');
+const bluiRules = require('./blui-rules.js');
 
-module.exports = tsProfile;
+module.exports = [
+    js.configs.recommended,
+    tseslint.configs.eslintRecommended,
+    ...tseslint.configs.recommendedTypeChecked,
+    ...tseslint.configs.stylisticTypeChecked,
+    prettierRecommended,
+    {
+        languageOptions: {
+            parser: typescriptEslintParser
+        },
+        rules: {
+            ...bluiRules
+        },
+    }
+];

eslint-config/tsx.js

@@ -1,25 +1,30 @@
-const tsxProfile = {
-    parser: '@typescript-eslint/parser', // Specifies the ESLint parser
-    extends: [
-        'eslint:recommended',
-        'plugin:react/recommended',
-        'plugin:@typescript-eslint/eslint-recommended',
-        'plugin:@typescript-eslint/recommended',
-        'plugin:@typescript-eslint/recommended-requiring-type-checking',
-        'eslint-config-prettier',
-    ],
-    settings: {
-        react: {
-            version: 'detect',
+const js = require('@eslint/js');
+const reactRecommened  = require('eslint-plugin-react/configs/recommended.js');
+const tseslint = require('typescript-eslint');
+const prettierRecommended = require('eslint-plugin-prettier/recommended');
+const typescriptEslintParser = require('@typescript-eslint/parser');
+const bluiRules = require('./blui-rules.js');
+
+module.exports = [
+    js.configs.recommended,
+    tseslint.configs.eslintRecommended,
+    ...tseslint.configs.recommendedTypeChecked,
+    ...tseslint.configs.stylisticTypeChecked,
+    reactRecommened,
+    prettierRecommended,
+    {
+        languageOptions: {
+            parser: typescriptEslintParser
+        },
+        settings: {
+            react: {
+                version: 'detect',
+            },
         },
-    },
-    rules: Object.assign(
-        {
+        rules: {
             'react/prop-types': 'off',
             'react/display-name': 'off',
+            ...bluiRules
         },
-        require('./blui-rules')
-    ),
-};
-
-module.exports = tsxProfile;
+    }
+];