eslint.config.mjs

import eslint from '@eslint/js';
import tseslint from '@typescript-eslint/eslint-plugin';
import prettier from 'eslint-plugin-prettier';
import tsParser from '@typescript-eslint/parser';

/** @type {import('eslint').Linter.Config[]} */
export default [
  {
    files: ['**/*.{js,mjs,cjs,ts}'],
    plugins: {
      prettier: prettier,
    },
    rules: {
      'prettier/prettier': 'error',
      ...eslint.configs.recommended.rules,
    },
  },
  {
    files: ['**/*.ts'],
    languageOptions: {
      parser: tsParser,
      parserOptions: {
        project: './tsconfig.json',
        ecmaVersion: 'latest',
        sourceType: 'module',
      },
      globals: {
        // Add Jest globals
        describe: 'readonly',
        it: 'readonly',
        expect: 'readonly',
        beforeEach: 'readonly',
        jest: 'readonly',
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
    },
    settings: {
      jest: {
        version: 29,
      },
    },
    rules: {
      ...tseslint.configs.recommended.rules,
    },
  },
  {
    files: ['**/*.test.ts'],
    env: {
      'jest/globals': true,
    },
  },
];