eslint.config.mjs

import globals from 'globals'
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('google'), {
    languageOptions: {
        globals: {
            ...globals.browser,
            ...globals.commonjs,
        },
        ecmaVersion: 'latest',
        sourceType: 'module',
    },
    rules: {
        'valid-jsdoc': 'off',
        'block-scoped-var': 'error',
        'block-spacing': 'error',
        'brace-style': 'error',
        'camelcase': 'off',
        'class-methods-use-this': 'error',
        'consistent-return': 'error',
        'default-case': 'error',
        'default-case-last': 'error',
        'default-param-last': 'error',
        'grouped-accessor-pairs': 'error',
        'indent': ['error', 4],
        'linebreak-style': ['error', 'unix'],
        'max-len': ['error', {
            code: 120,
        }],
        'no-caller': 'error',
        'no-console': 'error',
        'no-empty-function': 'error',
        'no-eval': 'error',
        'no-extra-parens': 'error',
        'no-labels': 'error',
        'no-new': 'error',
        'no-new-func': 'error',
        'no-new-wrappers': 'error',
        'no-return-await': 'error',
        'no-script-url': 'error',
        'no-self-compare': 'error',
        'no-shadow': 'error',
        'no-throw-literal': 'error',
        'no-undefined': 'error',
        'no-unreachable-loop': 'error',
        'no-unused-expressions': 'off',
        'no-useless-backreference': 'error',
        'no-useless-concat': 'error',
        'no-var': 'error',
        'object-curly-spacing': ['error', 'always', {
            arraysInObjects: true,
        }],
        'prefer-const': 'error',
        'prefer-promise-reject-errors': 'error',
        'require-atomic-updates': 'error',
        'require-await': 'error',
        'require-jsdoc': 0,
        'semi': ['error', 'never'],
        'quotes': ['error', 'single'],
        'yoda': 'error',
    },
}]