eslint.config.cjs

const eslint = require('@eslint/js');
const tsPlugin = require('@typescript-eslint/eslint-plugin');
const tsParser = require('@typescript-eslint/parser');
const mochaPlugin = require('eslint-plugin-mocha');
const globals = require('globals');

module.exports = [
    eslint.configs.recommended,
    mochaPlugin.configs.flat.recommended,
    {
        languageOptions: {
            parser: tsParser,
            parserOptions: {
                ecmaFeatures: { modules: true },
                ecmaVersion: '2022'
            },
            globals: {
                ...globals.browser,
                ...globals.node,
                ...globals.es2021
            }
        },
        plugins: {
            '@typescript-eslint': tsPlugin,
            'mocha': mochaPlugin
        },
        files: ['**/*.ts'],
        rules: {
            'no-unsafe-optional-chaining': 'off',
            'key-spacing': [
                'error',
                {
                    'singleLine': {
                        'beforeColon': false,
                        'afterColon': true,
                    },
                    'multiLine': {
                        'beforeColon': true,
                        'afterColon': true,
                    },
                    'align': {
                        'beforeColon': true,
                        'afterColon': true,
                        'on': 'colon',
                        'mode': 'minimum'
                    }
                }
            ],
            'quotes': [
                'error',
                'single',
                { 'allowTemplateLiterals': true }
            ],
            'semi': ['error', 'always'],
            'indent': ['error', 2, { 'SwitchCase': 1 }],
            'no-unused-vars': 'off',
            'prefer-const': 'off',
            '@typescript-eslint/no-unused-vars': [
                'error',
                {
                    'vars': 'all',
                    'args': 'after-used',
                    'ignoreRestSiblings': true,
                    'argsIgnorePattern': '^_',
                    'varsIgnorePattern': '^_'
                }
            ],
            'no-dupe-class-members': 'off',
            'no-trailing-spaces': ['error'],
            '@typescript-eslint/no-explicit-any': 'off',
            '@typescript-eslint/no-non-null-assertion': 'off',
            '@typescript-eslint/ban-ts-comment': 'off',
            'mocha/no-exclusive-tests': 'warn',
            'mocha/no-setup-in-describe': 'off',
            'mocha/no-mocha-arrows': 'off',
            'mocha/max-top-level-suites': 'off',
            'mocha/no-identical-title': 'off',
            'mocha/no-pending-tests': 'off',
            'mocha/no-skipped-tests': 'off',
            'mocha/no-sibling-hooks': 'off',
        }
    },
    {
        ignores: [
            '**/*.js',
            '**/*.cjs',
            '**/*.mjs',
            '**/*.d.ts',
            '**/prototyping/*'
        ]
    }
];