Upgrade ESLint packages

eslint.config.js

@@ -0,0 +1,111 @@
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+import { FlatCompat } from '@eslint/eslintrc';
+import js from '@eslint/js';
+import mochaPlugin from 'eslint-plugin-mocha';
+import noOnlyTestsPlugin from 'eslint-plugin-no-only-tests';
+import reactPlugin from 'eslint-plugin-react';
+import globals from 'globals';
+
+const compat = new FlatCompat({
+	baseDirectory: __dirname,
+	recommendedConfig: js.configs.recommended,
+	allConfig: js.configs.all
+});
+
+export default [
+	...compat.extends(
+		'eslint:recommended',
+		'plugin:mocha/recommended',
+		'plugin:react/recommended'
+	),
+	{
+		settings: {
+			react: {
+				version: 'detect'
+			}
+		}
+	},
+	{
+		ignores: [
+			'built/*',
+			'public/*'
+		]
+	},
+	{
+		languageOptions: {
+			globals: {
+				...globals.node
+			},
+			ecmaVersion: 2020,
+			sourceType: 'module'
+		},
+		rules: {
+			'comma-dangle': 2,
+			eqeqeq: 2,
+			'guard-for-in': 2,
+			'new-cap': 0,
+			'no-caller': 2,
+			'no-console': 2,
+			'no-extend-native': 2,
+			'no-irregular-whitespace': 2,
+			'no-loop-func': 2,
+			'no-multi-spaces': 2,
+			'no-multiple-empty-lines': [2, { max: 1 }],
+			'no-undef': 2,
+			'no-underscore-dangle': 0,
+			'no-unused-vars': 2,
+			'no-var': 2,
+			'one-var': [2, 'never'],
+			quotes: [2, 'single'],
+			semi: 2,
+			'space-before-function-paren': 2,
+			'spaced-comment': 2,
+			strict: [2, 'global'],
+			'wrap-iife': 2
+		}
+	},
+	{
+		files: [
+			'**/*.jsx'
+		],
+		languageOptions: {
+			globals: {
+				...globals.browser
+			},
+			parserOptions: {
+				ecmaFeatures: {
+					jsx: true
+				}
+			}
+		},
+		plugins: {
+			react: reactPlugin
+		},
+		rules: {
+			'react/react-in-jsx-scope': 0
+		}
+	},
+	{
+		files: [
+			'test/**/*.test.js'
+		],
+		languageOptions: {
+			globals: {
+				...globals.mocha
+			}
+		},
+		plugins: {
+			mocha: mochaPlugin,
+			'no-only-tests': noOnlyTestsPlugin
+		},
+		rules: {
+			'mocha/no-mocha-arrows': 0,
+			'no-only-tests/no-only-tests': 2
+		}
+	}
+];

package.json

@@ -7,7 +7,7 @@
   "license": "MS-RSL",
   "main": "src/server/app.js",
   "scripts": {
-    "lint": "eslint --ext .js,.jsx src/ test/",
+    "lint": "eslint",
     "lintspaces": "git ls-files ':!:*.ico' | xargs lintspaces -e .editorconfig",
     "lint-check": "npm run lint && npm run lintspaces",
     "unit-test": "mocha --config test/.mocharc.json",
@@ -55,10 +55,11 @@
     "@rollup/plugin-replace": "6.0.1",
     "chai": "5.1.2",
     "concurrently": "9.1.0",
-    "eslint": "8.57.0",
-    "eslint-plugin-mocha": "^10.4.3",
-    "eslint-plugin-no-only-tests": "3.1.0",
-    "eslint-plugin-react": "7.34.2",
+    "eslint": "9.17.0",
+    "eslint-plugin-mocha": "10.5.0",
+    "eslint-plugin-no-only-tests": "3.3.0",
+    "eslint-plugin-react": "7.37.2",
+    "globals": "15.14.0",
     "lintspaces-cli": "0.8.0",
     "mocha": "10.4.0",
     "pre-commit": "1.2.2",

src/server/app.js

@@ -2,8 +2,8 @@ import http from 'node:http';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 
-const __filename = fileURLToPath(import.meta.url); // eslint-disable-line no-underscore-dangle
-const __dirname = path.dirname(__filename); // eslint-disable-line no-underscore-dangle
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
 
 import express from 'express';
 import { engine } from 'express-handlebars';