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 tseslint from 'typescript-eslint';
import simpleImportSort from 'eslint-plugin-simple-import-sort';

export default tseslint.config(
  { ignores: ['dist', '.yarn', 'node_modules'] },
  {
    extends: [
      js.configs.recommended,
      ...tseslint.configs.recommendedTypeChecked,
    ],
    files: ['**/*.{ts,tsx}'],
    languageOptions: {
      ecmaVersion: 2020,
      globals: globals.browser,
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
    plugins: {
      'react-hooks': reactHooks,
      'react-refresh': reactRefresh,
      'simple-import-sort': simpleImportSort,
    },
    rules: {
      ...reactHooks.configs.recommended.rules,
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          ignoreRestSiblings: true,
          argsIgnorePattern: '^_$',
          varsIgnorePattern: '^_$',
          caughtErrorsIgnorePattern: '^_$',
        },
      ],
      'react-refresh/only-export-components': [
        'error',
        { allowConstantExport: true },
      ],
      '@typescript-eslint/strict-boolean-expressions': [
        'error',
        {
          allowAny: false,
          allowNullableBoolean: false,
          allowNullableEnum: false,
          allowNullableNumber: false,
          allowNullableObject: true,
          allowNullableString: false,
          allowNumber: true,
          allowRuleToRunWithoutStrictNullChecksIKnowWhatIAmDoing: false,
          allowString: true,
        },
      ],
      'no-shadow': 'off',
      'simple-import-sort/imports': 'error',
      'react-hooks/exhaustive-deps': 'error',
      'react/react-in-jsx-scope': 'off',
      'react/prop-types': 'off',
    },
  }
);