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'
import { includeIgnoreFile } from '@eslint/compat'

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,
})
const gitignorePath = path.resolve(__dirname, '.gitignore')

export default [
  ...compat.extends('eslint:recommended', 'plugin:@typescript-eslint/recommended', 'prettier'),
  includeIgnoreFile(gitignorePath),
  {
    plugins: {
      '@typescript-eslint': typescriptEslint,
    },
    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
      },

      parser: tsParser,
    },
    ignores: ['dist/*'],
    rules: {
      'no-console': 'error',
      'no-debugger': 'error',
      'no-unused-vars': 'off',
      '@typescript-eslint/no-unused-vars': 'error',
      eqeqeq: 'error',
      curly: 'error',
      quotes: ['error', 'single'],
      semi: ['error', 'never'],
      indent: ['warn', 2],
      'no-multi-spaces': 'error',
      'no-trailing-spaces': 'error',
      'no-var': 'error',
      'prefer-const': 'error',
      'prefer-arrow-callback': 'error',
      'arrow-spacing': 'error',
      'no-mixed-spaces-and-tabs': 'error',
      'no-unexpected-multiline': 'error',
      'no-unreachable': 'error',
      'no-unsafe-finally': 'error',
      'no-unsafe-negation': 'error',
      'no-unused-expressions': 'error',
      'no-useless-concat': 'error',
      'no-useless-escape': 'error',
      'no-useless-return': 'error',
      'no-void': 'error',
      'no-with': 'error',
      'prefer-template': 'error',
      'require-await': 'error',
      yoda: 'error',
      '@typescript-eslint/explicit-function-return-type': 'error',
      '@typescript-eslint/no-explicit-any': 'error',
      'no-multiple-empty-lines': [
        'error',
        {
          max: 1,
          maxEOF: 0,
        },
      ],
    },
  },
]