Upgrade ESLint to ^9, migrate some plugins and configuration

Author: Kocal

.eslintrc.js

@@ -0,0 +1,124 @@
+/*
+ * This file is part of the Symfony Webpack Encore package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+const globals = require('globals');
+const js = require('@eslint/js');
+const nodePlugin = require('eslint-plugin-n');
+const jsdoc = require('eslint-plugin-jsdoc');
+const headers = require('eslint-plugin-headers');
+const mocha = require('eslint-plugin-mocha').default;
+
+module.exports = [
+    js.configs.recommended,
+    nodePlugin.configs['flat/recommended'],
+    jsdoc.configs['flat/recommended'],
+    mocha.configs.recommended,
+    {
+        plugins: {
+            headers,
+        },
+        languageOptions: {
+            ecmaVersion: 2021,
+            globals: {
+                ...globals.browser,
+                ...globals.node,
+            },
+        },
+        ignores: ['lib/webpack-manifest-plugin']
+    },
+    {
+        'rules': {
+            'quotes': ['error', 'single'],
+            'no-undef': 'error',
+            'no-extra-semi': 'error',
+            'semi': 'error',
+            'no-template-curly-in-string': 'error',
+            'no-caller': 'error',
+            'eqeqeq': 'error',
+            'global-require': 'off',
+            'brace-style': 'error',
+            'eol-last': 'error',
+            'indent': ['error', 4, { 'SwitchCase': 1 }],
+            'no-extra-bind': 'warn',
+            'no-empty': 'off',
+            'no-multiple-empty-lines': 'error',
+            'no-multi-spaces': 'error',
+            'no-process-exit': 'warn',
+            'space-in-parens': 'error',
+            'no-trailing-spaces': 'error',
+            'no-use-before-define': 'off',
+            'no-unused-vars': ['error', { 'args': 'none' }],
+            'key-spacing': 'error',
+            'space-infix-ops': 'error',
+            'no-unsafe-negation': 'error',
+            'no-loop-func': 'warn',
+            'space-before-function-paren': ['error', 'never'],
+            'space-before-blocks': 'error',
+            'object-curly-spacing': ['error', 'always'],
+            'keyword-spacing': ['error', {
+                'after': true
+            }],
+            'no-console': 'off',
+            'jsdoc/require-jsdoc': 'off',
+            'jsdoc/require-param-description': 'off',
+            'jsdoc/require-property-description': 'off',
+            'jsdoc/require-returns-description': 'off',
+            'jsdoc/tag-lines': ['warn', 'never', {
+                'startLines': 1
+            }],
+            'n/no-unsupported-features/node-builtins': ['error'],
+            'n/no-deprecated-api': 'error',
+            'n/no-missing-import': 'error',
+            'n/no-missing-require': [
+                'error',
+                {
+                    'allowModules': [
+                        'webpack'
+                    ]
+                }
+            ],
+            'n/no-unpublished-bin': 'error',
+            'n/no-unpublished-require': 'error',
+            'n/process-exit-as-throw': 'error',
+            'headers/header-format': ['error', {
+                source: 'string',
+                content: `This file is part of the Symfony Webpack Encore package.
+
+(c) Fabien Potencier <[email protected]>
+
+For the full copyright and license information, please view the LICENSE
+file that was distributed with this source code.`,
+                blockPrefix: '\n',
+            }]
+        },
+        'settings': {
+            'jsdoc': {
+                'mode': 'typescript'
+            }
+        },
+    },
+    {
+        'files': ['.eslintrc.js'],
+        'rules': {
+            'quotes': ['error', 'double'],
+        },
+    },
+    {
+        'files': ['test/**/*'],
+        languageOptions: {
+            globals: {
+                // For Puppeteer when calling "page.evaluate()"
+                document: 'readonly',
+            },
+        },
+        rules: {
+            'mocha/no-setup-in-describe': 'off',
+        }
+    }
+];

eslint.config.js

@@ -7,7 +7,7 @@
     "test": "yarn run test:main && yarn run test:persistent-cache",
     "test:main": "mocha --reporter spec test --recursive --ignore test/persistent-cache/*",
     "test:persistent-cache": "node run-persistent-tests",
-    "lint": "eslint lib test index.js .eslintrc.js --report-unused-disable-directives --max-warnings=0",
+    "lint": "eslint lib test index.js eslint.config.js --report-unused-disable-directives --max-warnings=0",
     "travis:lint": "yarn run lint"
   },
   "bin": {
@@ -50,6 +50,7 @@
     "@babel/preset-env": "^7.16.0",
     "@babel/preset-react": "^7.9.0",
     "@babel/preset-typescript": "^7.0.0",
+    "@eslint/js": "^9.32.0",
     "@hotwired/stimulus": "^3.0.0",
     "@symfony/mock-module": "file:fixtures/stimulus/mock-module",
     "@symfony/stimulus-bridge": "^3.0.0 || ^4.0.0",
@@ -62,14 +63,16 @@
     "chai-fs": "^2.0.0",
     "chai-subset": "^1.6.0",
     "core-js": "^3.0.0",
-    "eslint": "^8.0.0",
-    "eslint-plugin-header": "^3.0.0",
-    "eslint-plugin-import": "^2.26.0",
-    "eslint-plugin-jsdoc": "^50.2.2",
-    "eslint-plugin-node": "^11.1.0",
+    "eslint": "^9.32.0",
+    "eslint-plugin-headers": "^1.3.3",
+    "eslint-plugin-import": "^2.32.0",
+    "eslint-plugin-jsdoc": "^50.8.0",
+    "eslint-plugin-mocha": "^11.1.0",
+    "eslint-plugin-n": "^17.21.3",
     "file-loader": "^6.0.0",
     "fork-ts-checker-webpack-plugin": "^7.0.0 || ^8.0.0 || ^9.0.0",
     "fs-extra": "^10.0.0",
+    "globals": "^16.3.0",
     "handlebars": "^4.7.7",
     "handlebars-loader": "^1.7.0",
     "http-server": "^14.1.0",