eslint.config.mjs

import prettier from 'eslint-plugin-prettier';
import globals from 'globals';
import typescriptEslint from '@typescript-eslint/eslint-plugin';
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: ['!**/.*', 'lib/', 'dist/', 'node_modules/'],
  },
  ...compat.extends('eslint:recommended', 'plugin:prettier/recommended'),
  {
    plugins: {
      prettier,
    },

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

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

    rules: {},
  },
  ...compat.extends('plugin:@typescript-eslint/recommended').map((config) => ({
    ...config,
    files: ['**/*.ts'],
  })),
  {
    files: ['**/*.ts'],

    plugins: {
      '@typescript-eslint': typescriptEslint,
    },

    languageOptions: {
      parser: tsParser,
      ecmaVersion: 2020,
      sourceType: 'module',
    },
  },
  {
    files: ['__tests__/**/*.[jt]s', '**/*.test.[jt]s'],

    languageOptions: {
      globals: {
        ...globals.jest,
      },
    },
  },
];