eslint.config.js

import eslint from '@eslint/js';
import stylistic from '@stylistic/eslint-plugin';
import vitest from '@vitest/eslint-plugin';
import gitignore from 'eslint-config-flat-gitignore';
import perfectionist from 'eslint-plugin-perfectionist';
import tseslint from 'typescript-eslint';

export default tseslint.config(
  gitignore(),
  eslint.configs.recommended,
  ...tseslint.configs.strictTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
  },
  {
    // disable type-aware linting on JS files
    files: ['**/*.js'],
    ...tseslint.configs.disableTypeChecked,
  },
  perfectionist.configs['recommended-natural'],
  stylistic.configs.customize({
    indent: 2,
    quotes: 'single',
    semi: true,
  }),
  {
    files: ['tests/**/*.ts'],
    plugins: { vitest },
    rules: {
      ...vitest.configs.recommended.rules,
    },
  },
);