eslint.config.mjs

import { defineConfig, globalIgnores } from 'eslint/config'
import globals from 'globals'
import typescriptEslint from '@typescript-eslint/eslint-plugin'
import tsParser from '@typescript-eslint/parser'
import js from '@eslint/js'
import { FlatCompat } from '@eslint/eslintrc'
import { fileURLToPath } from 'url'
import { dirname } from 'path'

const __filename = fileURLToPath(import.meta.url)
const __dirname = dirname(__filename)

const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
})

export default defineConfig([
  {
    languageOptions: {
      globals: {
        ...globals.browser,
        ...globals.node,
      },

      parser: tsParser,
      sourceType: 'module',
      parserOptions: {},
    },

    extends: compat.extends('eslint:recommended', 'plugin:@typescript-eslint/recommended', 'plugin:prettier/recommended'),

    plugins: {
      '@typescript-eslint': typescriptEslint,
    },

    rules: {
      '@typescript-eslint/consistent-type-imports': 'error',
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-unused-vars': 'off',
      '@typescript-eslint/no-unused-expressions': [
        'error',
        {
          allowShortCircuit: true,
          allowTernary: true,
        },
      ],
    },
  },
  globalIgnores(['**/dist', 'src/__tests__', '**/index.html', '**/test.html']),
])