[ticket/17517] Refactor eslint config, remove unused rules

PHPBB-17517

eslint.config.mjs

@@ -1,24 +1,7 @@
-// eslint.config.mjs
+const { browser: browserGlobals, node: nodeGlobals, jquery: jqueryGlobals } = (await import('globals')).default;
 
-// Use Promise.all for parallel imports to improve loading performance
+// File patterns to ignore
-const [
+const IGNORED_FILES = [
-	{ default: globalsAll },
-	{ default: unicorn },
-	{ default: importPlugin },
-	{ default: nodePlugin },
-	{ default: promisePlugin },
-] = await Promise.all([
-	import('globals'),
-	import('eslint-plugin-unicorn'),
-	import('eslint-plugin-import'),
-	import('eslint-plugin-n'),
-	import('eslint-plugin-promise'),
-]);
-
-export default [
-	// 🔒 Global ignore block — applies BEFORE any parsing
-	{
-		ignores: [
 	'phpBB/assets/javascript/cropper.js',
 	'phpBB/assets/javascript/hermite.js',
 	'phpBB/assets/javascript/jquery-cropper.js',
@@ -28,11 +11,37 @@ export default [
 	'phpBB/vendor-ext/**/*.js',
 	'phpBB/phpbb/**/*.js',
 	'phpBB/tests/**/*.js',
-		],
+];
-	},
 
-	// 🌐 Main config for your source files
+// ESLint rule configurations
-	{
+const FORMATTING_RULES = {
+	'quotes': ['error', 'single'],
+	'comma-dangle': ['error', 'always-multiline'],
+	'block-spacing': 'error',
+	'array-bracket-spacing': ['error', 'always'],
+	'object-curly-spacing': ['error', 'always'],
+	'space-before-function-paren': ['error', 'never'],
+	'space-in-parens': 'off',
+};
+
+const CODE_QUALITY_RULES = {
+	'semi': ['error', 'always'],
+	'eqeqeq': ['error', 'always'],
+	'curly': ['error', 'multi-line'],
+	'no-var': 'error',
+	'prefer-const': 'error',
+	'no-console': 'off',
+	'no-unused-vars': ['error', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
+};
+
+const DISABLED_STYLE_RULES = {
+	'multiline-comment-style': 'off',
+	'computed-property-spacing': 'off',
+	'capitalized-comments': 'off',
+	'no-lonely-if': 'off',
+};
+
+const mainConfig = {
 	files: ['**/*.js', '**/*.js.twig'],
 	linterOptions: {
 		reportUnusedDisableDirectives: false,
@@ -41,47 +50,19 @@ export default [
 		ecmaVersion: 'latest',
 		sourceType: 'module',
 		globals: {
-				...globalsAll.browser,
+			...browserGlobals,
-				...globalsAll.node,
+			...nodeGlobals,
-				...globalsAll.jquery,
+			...jqueryGlobals,
 		},
 	},
-		plugins: {
-			unicorn,
-			import: importPlugin,
-			n: nodePlugin,
-			promise: promisePlugin,
-		},
 	rules: {
-			// Your personal customizations
+		...FORMATTING_RULES,
-			'quotes': ['error', 'single'],
+		...CODE_QUALITY_RULES,
-			'comma-dangle': ['error', 'always-multiline'],
+		...DISABLED_STYLE_RULES,
-			'block-spacing': 'error',
+	},
-			'array-bracket-spacing': ['error', 'always'],
+};
-			'multiline-comment-style': 'off',
-			'computed-property-spacing': 'off',
-			'space-before-function-paren': ['error', 'never'],
-			'space-in-parens': 'off',
-			'capitalized-comments': 'off',
-			'object-curly-spacing': ['error', 'always'],
-			'no-lonely-if': 'off',
-			'unicorn/prefer-module': 'off',
 
-			// XO-inspired defaults
+export default [
-			'semi': ['error', 'always'],
+	{ ignores: IGNORED_FILES },
-			'eqeqeq': ['error', 'always'],
+	mainConfig,
-			'curly': ['error', 'multi-line'],
-			'no-var': 'error',
-			'prefer-const': 'error',
-			'no-console': 'off',
-			'no-unused-vars': ['error', { argsIgnorePattern: '^_', varsIgnorePattern: '^_' }],
-			'unicorn/filename-case': ['off', { case: 'kebabCase' }],
-			'unicorn/no-null': 'off',
-			'unicorn/prefer-ternary': 'off',
-			'unicorn/no-array-for-each': 'off',
-			'import/order': ['error', { 'newlines-between': 'always' }],
-			'n/no-missing-import': 'error',
-			'promise/always-return': 'off',
-		},
-	},
 ];

gulpfile.js

@@ -7,7 +7,6 @@ const postcss = require('gulp-postcss');
 const autoprefixer = require('autoprefixer');
 const cssnano = require('cssnano');
 const sorting = require('postcss-sorting');
-
 const sortOrder = require('./.postcss-sorting.json');
 
 // Config

package.json

@@ -43,10 +43,6 @@
 		"autoprefixer": "^10.4.4",
 		"cssnano": "^5.1.7",
 		"eslint": "^9.28.0",
-		"eslint-plugin-import": "^2.31.0",
-		"eslint-plugin-n": "^17.18.0",
-		"eslint-plugin-promise": "^7.2.1",
-		"eslint-plugin-unicorn": "^59.0.1",
 		"globals": "^16.2.0",
 		"gulp": "^5.0.0",
 		"gulp-concat": "^2.6.1",