eslint.config.mjs

import js from '@eslint/js';
import tseslint from 'typescript-eslint';
import react from 'eslint-plugin-react';
import reactHooks from 'eslint-plugin-react-hooks';
import prettier from 'eslint-config-prettier';

export default [
  {
    ignores: ['dist/**', 'node_modules/**', 'coverage/**', '.vitest/**', 'tests/**'],
  },

  js.configs.recommended,

  ...tseslint.configs.recommended,

  {
    files: ['**/*.{ts,tsx,js,jsx}'],
    plugins: {
      react,
      'react-hooks': reactHooks,
      '@typescript-eslint': tseslint.plugin,
    },
    languageOptions: {
      parserOptions: {
        ecmaFeatures: { jsx: true },
      },
    },
    settings: {
      react: { version: 'detect' },
    },
    rules: {
      ...reactHooks.configs.recommended.rules,

      // modern React: no need for React import in scope
      'react/react-in-jsx-scope': 'off',

      // disable noisy React Compiler memoization rule for now
      'react-hooks/preserve-manual-memoization': 'off',

      // quality hints
      'react/jsx-no-useless-fragment': 'warn',
      'react/prop-types': 'off',
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/explicit-module-boundary-types': 'warn',
      // reduce friction during refactors
      '@typescript-eslint/no-unused-vars': 'warn',
    },
  },
  // Node-focused config files
  {
    files: ['postcss.config.js', 'tailwind.config.js'],
    languageOptions: {
      globals: {
        module: 'readonly',
        require: 'readonly',
      },
    },
    rules: {
      'no-undef': 'off',
      '@typescript-eslint/no-require-imports': 'off',
    },
  },

  // must be last: turns off rules that conflict with prettier
  prettier,
];