eslint.config.mjs

import globals from 'globals';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import js from '@eslint/js';
import { FlatCompat } from '@eslint/eslintrc';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
	baseDirectory: __dirname,
	recommendedConfig: js.configs.recommended,
	allConfig: js.configs.all,
});

export default [
	{
		ignores: ['**/.prettierrc.js', '**/.eslintrc.js', 'admin/words.js', 'lib/utils.js'],
	},
	...compat.extends('eslint:recommended'),
	{
		plugins: {},

		languageOptions: {
			globals: {
				...globals.node,
				...globals.mocha,
			},

			ecmaVersion: 2020,
			sourceType: 'module',
		},

		rules: {
			indent: [
				'error',
				'tab',
				{
					SwitchCase: 1,
				},
			],

			'no-console': 'off',

			'no-unused-vars': [
				'error',
				{
					vars: 'all',
					args: 'after-used',
					caughtErrors: 'all',
					ignoreRestSiblings: false,
					reportUsedIgnorePattern: false,
				},
			],

			'no-var': 'error',
			'no-trailing-spaces': 'error',
			'prefer-const': 'error',

			quotes: [
				'error',
				'single',
				{
					avoidEscape: true,
					allowTemplateLiterals: true,
				},
			],

			semi: ['error', 'always'],
		},
	},
];