eslint.config.mjs

import typescriptEslint from '@typescript-eslint/eslint-plugin'
import prettier from 'eslint-plugin-prettier'
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 [
  ...compat.extends(
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'eslint-config-prettier',
    'prettier'
  ),
  {
    plugins: {
      '@typescript-eslint': typescriptEslint,
      prettier,
    },

    languageOptions: {
      parser: tsParser,
    },

    rules: {
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-unused-vars': [
        'warn',
        {
          varsIgnorePattern: '^_',
          argsIgnorePattern: '^_',
          caughtErrorsIgnorePattern: '^_',
        },
      ],

      'prettier/prettier': [
        'warn',
        {
          arrowParens: 'always',
          semi: false,
          trailingComma: 'es5',
          tabWidth: 2,
          endOfLine: 'auto',
          useTabs: false,
          singleQuote: true,
          printWidth: 120,
          jsxSingleQuote: false,
        },
      ],
    },
  },
]