eslint.config.mjs

import unusedImports from 'eslint-plugin-unused-imports'
import typescriptEslint from '@typescript-eslint/eslint-plugin'
import noOnlyTests from 'eslint-plugin-no-only-tests'
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/', '**/.next/', '**/.github/', '**/cypress/', 'src/types/contracts/'],
  },
  ...compat.extends('next', 'prettier', 'plugin:prettier/recommended', 'plugin:storybook/recommended'),
  {
    plugins: {
      'unused-imports': unusedImports,
      '@typescript-eslint': typescriptEslint,
      'no-only-tests': noOnlyTests,
    },

    languageOptions: {
      parser: tsParser,
      ecmaVersion: 5,
      sourceType: 'script',

      parserOptions: {
        project: ['./tsconfig.json'],
      },
    },

    rules: {
      '@next/next/no-img-element': 'off',
      '@next/next/google-font-display': 'off',
      '@next/next/google-font-preconnect': 'off',
      '@next/next/no-page-custom-font': 'off',
      'unused-imports/no-unused-imports': 'error',
      '@typescript-eslint/consistent-type-imports': 'error',
      '@typescript-eslint/await-thenable': 'error',
      'no-constant-condition': 'warn',

      'unused-imports/no-unused-vars': [
        'error',
        {
          varsIgnorePattern: '^_',
        },
      ],

      'react-hooks/exhaustive-deps': [
        'warn',
        {
          additionalHooks: 'useAsync',
        },
      ],

      'no-only-tests/no-only-tests': 'error',
      'object-shorthand': ['error', 'properties'],
      'jsx-quotes': ['error', 'prefer-double'],

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