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

export default defineConfig([
  globalIgnores(['dist']),
  {
    files: ['**/*.{ts,tsx}'],
    extends: [
      js.configs.recommended,
      tseslint.configs.recommended,
      reactHooks.configs.flat.recommended,
      reactRefresh.configs.vite,
    ],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
    },
    rules: {
      // The current codebase predates the stricter React compiler lint rules
      // bundled into recent eslint-plugin-react-hooks releases. Keep CI focused
      // on the established rules until those patterns are migrated deliberately.
      'react-hooks/immutability': 'off',
      'react-hooks/purity': 'off',
      'react-hooks/refs': 'off',
      'react-hooks/set-state-in-effect': 'off',
      'react-refresh/only-export-components': 'off',
      // Allow the idiomatic `const { [key]: _, ...rest } = obj` pattern for
      // destructure-and-drop, plus `_arg` for intentionally unused params.
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
          caughtErrorsIgnorePattern: '^_',
          destructuredArrayIgnorePattern: '^_',
        },
      ],
    },
  },
])
