eslint.config.js

import js from '@eslint/js'
import globals from 'globals'
import reactHooks from 'eslint-plugin-react-hooks'
import reactRefresh from 'eslint-plugin-react-refresh'
import prettier from 'eslint-plugin-prettier'
import eslintConfigPrettier from 'eslint-config-prettier'
import { defineConfig, globalIgnores } from 'eslint/config'

export default defineConfig([
  globalIgnores(['dist', 'node_modules']),
  {
    files: ['**/*.{js,jsx}'],
    extends: [js.configs.recommended, reactRefresh.configs.vite],
    languageOptions: {
      ecmaVersion: 2020,
      globals: {
        ...globals.browser,
        ...globals.es2020,
      },
      parserOptions: {
        ecmaVersion: 'latest',
        ecmaFeatures: { jsx: true },
        sourceType: 'module',
      },
    },
    plugins: {
      'react-hooks': reactHooks,
      prettier,
    },
    rules: {
      // Prettier integration
      'prettier/prettier': 'error',
      ...eslintConfigPrettier.rules,

      // Variables
      'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]', argsIgnorePattern: '^_' }],
      'no-console': ['warn', { allow: ['warn', 'error'] }],

      // Best practices
      eqeqeq: ['error', 'always'],
      curly: ['error', 'all'],
      'no-var': 'error',
      'prefer-const': 'error',
      'prefer-arrow-callback': 'error',
      'no-duplicate-imports': 'error',

      // React specific
      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',
    },
  },
  // Entry point — não é módulo de componente, react-refresh não se aplica
  {
    files: ['src/main.jsx'],
    rules: {
      'react-refresh/only-export-components': 'off',
    },
  },
])