eslint.config.js

import eslint from '@eslint/js';
import tseslint from 'typescript-eslint';

export default tseslint.config(
  eslint.configs.recommended,
  ...tseslint.configs.strictTypeChecked,
  ...tseslint.configs.stylisticTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
    rules: {
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
        },
      ],
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/no-explicit-any': 'error',
      '@typescript-eslint/no-non-null-assertion': 'warn',
      '@typescript-eslint/prefer-nullish-coalescing': 'warn',
      '@typescript-eslint/prefer-optional-chain': 'error',
      '@typescript-eslint/require-await': 'warn',
      '@typescript-eslint/no-unnecessary-condition': 'warn',
      '@typescript-eslint/restrict-template-expressions': 'warn',
      '@typescript-eslint/no-deprecated': 'warn',
    },
  },
  {
    ignores: ['dist/', 'node_modules/', 'coverage/', '*.js', '*.mjs', '*.cjs'],
  }
);