eslint.config.mjs

import react from 'eslint-plugin-react';
import typescriptEslint from '@typescript-eslint/eslint-plugin';
import prettier from 'eslint-plugin-prettier';
import unusedImports from 'eslint-plugin-unused-imports';
import globals from 'globals';
import tsParser from '@typescript-eslint/parser';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import js from '@eslint/js';
import { FlatCompat } from '@eslint/eslintrc';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
});

export default [
  {
    ignores: ['node_modules/*', 'static/*', 'dist/*'],
  },
  ...compat.extends(
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier',
  ),
  {
    plugins: {
      react,
      '@typescript-eslint': typescriptEslint,
      prettier,
      'unused-imports': unusedImports,
    },

    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
        ...globals.jest,
      },

      parser: tsParser,
      ecmaVersion: 12,
      sourceType: 'module',

      parserOptions: {
        ecmaFeatures: {
          jsx: true,
        },
      },
    },

    settings: {
      'import/resolver': {
        typescript: {},
      },

      react: {
        version: 'detect',
      },
    },

    rules: {
      'react/jsx-curly-brace-presence': [
        'error',
        {
          props: 'never',
          children: 'never',
        },
      ],

      'arrow-body-style': ['error', 'as-needed'],
      'react/react-in-jsx-scope': 'off',
      camelcase: 'off',
      'spaced-comment': 'error',
      quotes: ['warn', 'single'],
      'no-duplicate-imports': 'error',
      'unused-imports/no-unused-imports': 'error',
      'unused-imports/no-unused-vars': ['warn'],
    },
  },
];