eslint.config.mjs

import jest from 'eslint-plugin-jest'
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 [
  {
    ignores: [
      'node_modules/*',
      'dist/*',
      'coverage/*',
      '*.json',
      'eslint.config.mjs'
    ]
  },
  ...compat.extends(
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended-type-checked',
    'plugin:jest/recommended'
  ),
  {
    plugins: {
      jest,
      '@typescript-eslint': typescriptEslint
    },

    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.jest,
        Atomics: 'readonly',
        SharedArrayBuffer: 'readonly'
      },

      parser: tsParser,
      ecmaVersion: 2023,
      sourceType: 'module',

      parserOptions: {
        project: ['./.github/linters/tsconfig.json', './tsconfig.json']
      }
    },

    rules: {
      camelcase: 'off',
      'eslint-comments/no-use': 'off',
      'eslint-comments/no-unused-disable': 'off',
      'i18n-text/no-en': 'off',
      'import/no-namespace': 'off',
      'no-console': 'off',
      semi: 'off',
      '@typescript-eslint/array-type': 'error',
      '@typescript-eslint/consistent-type-assertions': 'error',

      '@typescript-eslint/explicit-member-accessibility': [
        'error',
        {
          accessibility: 'no-public'
        }
      ],

      '@typescript-eslint/explicit-function-return-type': [
        'error',
        {
          allowExpressions: true
        }
      ],

      '@typescript-eslint/no-empty-interface': 'error',
      '@typescript-eslint/no-extraneous-class': 'error',
      '@typescript-eslint/no-inferrable-types': 'error',
      '@typescript-eslint/no-non-null-assertion': 'warn',
      '@typescript-eslint/no-unnecessary-qualifier': 'error',
      '@typescript-eslint/no-useless-constructor': 'error',
      '@typescript-eslint/no-var-requires': 'error',
      '@typescript-eslint/prefer-for-of': 'warn',
      '@typescript-eslint/prefer-function-type': 'warn',
      '@typescript-eslint/prefer-includes': 'error',
      '@typescript-eslint/prefer-string-starts-ends-with': 'error',
      '@typescript-eslint/promise-function-async': 'error',
      '@typescript-eslint/require-array-sort-compare': 'error',
      '@typescript-eslint/space-before-function-paren': 'off'
    }
  }
]