eslint.config.js

const js = require('@eslint/js');

module.exports = [
	js.configs.recommended,
	{
		languageOptions: {
			ecmaVersion: 'latest',
		},
		rules: {
			'arrow-spacing': ['warn', { before: true, after: true }],
			'brace-style': ['error', 'stroustrup', { allowSingleLine: true }],
			'comma-dangle': ['error', 'always-multiline'],
			'comma-spacing': 'error',
			'comma-style': 'error',
			curly: ['error', 'multi-line', 'consistent'],
			'dot-location': ['error', 'property'],
			'handle-callback-err': 'off',
			'keyword-spacing': 'error',
			'max-nested-callbacks': ['error', { max: 4 }],
			'max-statements-per-line': ['error', { max: 2 }],
			'no-console': 'off',
			'no-empty-function': 'error',
			'no-floating-decimal': 'error',
			'no-inline-comments': 'error',
			'no-lonely-if': 'error',
			'no-multi-spaces': 'error',
			'no-multiple-empty-lines': ['error', { max: 2, maxEOF: 1, maxBOF: 0 }],
			'no-shadow': ['error', { allow: ['err', 'resolve', 'reject'] }],
			'no-trailing-spaces': ['error'],
			'no-var': 'error',
			'no-undef': 'off',
			'object-curly-spacing': ['error', 'always'],
			'prefer-const': 'error',
			quotes: ['error', 'single'],
			semi: ['error', 'always'],
			'space-before-blocks': 'error',
			'space-before-function-paren': ['error', {
				anonymous: 'never',
				named: 'never',
				asyncArrow: 'always',
			}],
			'space-in-parens': 'error',
			'space-infix-ops': 'error',
			'space-unary-ops': 'error',
			'spaced-comment': 'error',
			yoda: 'error',
		},
	},
];