eslint.config.js

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

export default tseslint.config(
  eslint.configs.recommended,
  ...tseslint.configs.recommended,
  {
    ignores: [
      'dist/**',
      'node_modules/**',
      'implementations/**',
      '*.js',
      '*.mjs',
    ],
  },
  {
    files: ['src/**/*.ts', 'test/**/*.ts'],
    languageOptions: {
      ecmaVersion: 2022,
      sourceType: 'module',
    },
    rules: {
      // TypeScript specific
      '@typescript-eslint/no-unused-vars': ['warn', {
        argsIgnorePattern: '^_',
        varsIgnorePattern: '^_',
      }],
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/no-require-imports': 'warn',
      '@typescript-eslint/no-unused-expressions': 'warn',

      // General
      'no-console': 'off',
      'prefer-const': 'warn',
      'no-var': 'error',
      'eqeqeq': ['error', 'always'],
      'no-useless-escape': 'warn',
      'no-control-regex': 'off',
    },
  }
);