eslint.config.mjs

import typescriptEslint from '@typescript-eslint/eslint-plugin';
import globals from 'globals';
import tsParser from '@typescript-eslint/parser';
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: ['**/.eslintrc.js', '**/*.config.js', '**/*.md', '**/build', 'eslint.config.mjs'],
  },
  ...compat.extends('eslint:recommended', 'plugin:@typescript-eslint/recommended'),
  {
    plugins: {
      '@typescript-eslint': typescriptEslint,
    },
    languageOptions: {
      globals: {
        ...globals.browser,
      },
      parser: tsParser,
      ecmaVersion: 'latest',
      sourceType: 'module',
      parserOptions: {
        project: './tsconfig.eslint.json',
      },
    },

    rules: {
      indent: ['error', 2],
      '@typescript-eslint/prefer-nullish-coalescing': 'error',
      '@typescript-eslint/strict-boolean-expressions': 'error',
      'no-console': 'error',
    },
  },
];