eslint.config.mjs

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

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

      parser: tsParser,
      ecmaVersion: 'latest',
      sourceType: 'module'
    },

    rules: {
      '@typescript-eslint/no-var-requires': 'off',
      'no-case-declarations': 'off',
      'linebreak-style': ['error', 'unix'],

      quotes: [
        'error',
        'single',
        {
          avoidEscape: true
        }
      ],

      semi: ['error', 'never']
    }
  }
]