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: {
        project: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
    rules: {
      '@typescript-eslint/no-explicit-any': 'error',
      '@typescript-eslint/explicit-function-return-type': 'error',
      '@typescript-eslint/strict-boolean-expressions': 'error',
      '@typescript-eslint/no-floating-promises': 'error',
      '@typescript-eslint/no-misused-promises': 'error',
      '@typescript-eslint/no-unused-vars': [
        'error',
        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
      ],
      '@typescript-eslint/prefer-readonly': 'error',
      '@typescript-eslint/require-array-sort-compare': 'error',
      '@typescript-eslint/switch-exhaustiveness-check': 'error',
      // Relax rules for native bindings which need index access and unsafe calls
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-argument': 'off',
      '@typescript-eslint/no-unsafe-return': 'off',
      '@typescript-eslint/prefer-for-of': 'off',
      '@typescript-eslint/no-inferrable-types': 'off',
      '@typescript-eslint/prefer-return-this-type': 'off',
    },
  },
  {
    files: ['tests/**/*.ts', 'benchmarks/**/*.ts'],
    rules: {
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/strict-boolean-expressions': 'off',
    },
  },
  {
    ignores: ['dist/**', 'node_modules/**', 'native/**', 'coverage/**'],
  }
);