eslint.config.js

import js from '@eslint/js';
import tseslint from 'typescript-eslint';
import { defineConfig, globalIgnores } from 'eslint/config';
import globals from 'globals';
import react from 'eslint-plugin-react';
import reactHooks from 'eslint-plugin-react-hooks';
import reactRefresh from 'eslint-plugin-react-refresh';
import simpleImportSort from 'eslint-plugin-simple-import-sort';
import unusedImports from 'eslint-plugin-unused-imports';
import prettierConfig from 'eslint-config-prettier';

export default defineConfig([
  globalIgnores(['dist']),

  {
    files: ['**/*.{ts,tsx}'],
    extends: [
      js.configs.recommended,
      ...tseslint.configs.recommended,
      reactHooks.configs.flat.recommended,
      reactRefresh.configs.vite,
    ],
    languageOptions: {
      globals: globals.browser,
    },
    plugins: {
      react,
      'simple-import-sort': simpleImportSort,
      'unused-imports': unusedImports,
    },
    settings: {
      react: { version: 'detect' },
    },
    rules: {
      'no-var': 'error',
      'prefer-const': 'warn',

      'react/react-in-jsx-scope': 'off',
      'react/jsx-pascal-case': ['error', { allowAllCaps: false }],
      'react/self-closing-comp': [
        'warn',
        {
          component: true,
          html: true,
        },
      ],

      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',

      'no-unused-vars': 'off',
      '@typescript-eslint/no-unused-vars': 'off',
      'unused-imports/no-unused-imports': 'error',
      'unused-imports/no-unused-vars': [
        'warn',
        {
          args: 'after-used',
          argsIgnorePattern: '^_',
          vars: 'all',
          varsIgnorePattern: '^_',
        },
      ],

      'simple-import-sort/imports': [
        'error',
        {
          groups: [
            ['^node:'],
            ['^react$', '^react-dom', '^@?\\w'],
            ['^@(/.*|$)'],
            ['^\\.'],
            ['^.+\\.s?css$'],
          ],
        },
      ],
      'simple-import-sort/exports': 'error',

      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/consistent-type-imports': 'error',
      '@typescript-eslint/naming-convention': [
        'error',
        {
          selector: 'interface',
          format: ['PascalCase'],
          custom: { regex: 'Props$', match: true },
        },
        {
          selector: 'variable',
          format: ['camelCase', 'PascalCase', 'UPPER_CASE'],
        },
        {
          selector: 'function',
          format: ['camelCase', 'PascalCase'],
        },
      ],
    },
  },

  prettierConfig,
]);