eslint.config.js

const prettier = require('eslint-config-prettier');

module.exports = [
    {
        files: ['**/*.js'],
        ignores: ['coverage/*', 'logs/*', 'node_modules/*', 'dist/*', '.scripts/*'],
        languageOptions: {
            ecmaVersion: 'latest',
            sourceType: 'module',
            globals: {
                process: 'readonly',
                console: 'readonly',
                module: 'readonly',
                require: 'readonly',
                __dirname: 'readonly',
                __filename: 'readonly',
                // Jest globals
                describe: 'readonly',
                expect: 'readonly',
                it: 'readonly',
                test: 'readonly',
                jest: 'readonly',
                beforeAll: 'readonly',
                afterAll: 'readonly',
                beforeEach: 'readonly',
                afterEach: 'readonly',
            },
        },
        linterOptions: {
            reportUnusedDisableDirectives: true,
        },
        rules: {
            'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'warn',
            'no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
            'no-duplicate-imports': 'error',
            'no-var': 'error',
            'prefer-const': 'error',

            // Built-in ESLint rules - similar to eslint:recommended
            'constructor-super': 'error',
            'for-direction': 'error',
            'getter-return': 'error',
            'no-async-promise-executor': 'error',
            'no-case-declarations': 'error',
            'no-class-assign': 'error',
            'no-compare-neg-zero': 'error',
            'no-cond-assign': 'error',
            'no-const-assign': 'error',
            'no-constant-condition': 'error',
            'no-control-regex': 'error',
            'no-debugger': 'error',
            'no-delete-var': 'error',
            'no-dupe-args': 'error',
            'no-dupe-class-members': 'error',
            'no-dupe-else-if': 'error',
            'no-dupe-keys': 'error',
            'no-duplicate-case': 'error',
            'no-empty': 'error',
            'no-empty-character-class': 'error',
            'no-empty-pattern': 'error',
            'no-ex-assign': 'error',
            'no-extra-boolean-cast': 'error',
            'no-fallthrough': 'error',
            'no-func-assign': 'error',
            'no-global-assign': 'error',
            'no-import-assign': 'error',
            'no-inner-declarations': 'error',
            'no-invalid-regexp': 'error',
            'no-irregular-whitespace': 'error',
            'no-loss-of-precision': 'error',
            'no-misleading-character-class': 'error',
            'no-mixed-spaces-and-tabs': 'error',
            'no-new-symbol': 'error',
            'no-nonoctal-decimal-escape': 'error',
            'no-obj-calls': 'error',
            'no-octal': 'error',
            'no-prototype-builtins': 'error',
            'no-self-assign': 'error',
            'no-setter-return': 'error',
            'no-shadow-restricted-names': 'error',
            'no-sparse-arrays': 'error',
            'no-this-before-super': 'error',
            'no-undef': 'error',
            'no-unexpected-multiline': 'error',
            'no-unreachable': 'error',
            'no-unsafe-finally': 'error',
            'no-unsafe-negation': 'error',
            'no-unsafe-optional-chaining': 'error',
            'no-unused-labels': 'error',
            'no-useless-backreference': 'error',
            'no-useless-catch': 'error',
            'no-useless-escape': 'error',
            'no-with': 'error',
            'require-yield': 'error',
            'use-isnan': 'error',
            'valid-typeof': 'error',
        },
    },
    prettier,
];