eslint.config.ts

import { defineConfig } from 'eslint/config';
import ESLintJs from '@eslint/js';
import ESLintPluginN from 'eslint-plugin-n';
import ESLintPluginTSDoc from 'eslint-plugin-tsdoc';
import ESLintPluginTypescript from 'typescript-eslint';
import ESLintPluginStylistic from '@stylistic/eslint-plugin';
import ESLintPluginPrettier from 'eslint-plugin-prettier';
import ESLintPluginUnicorn from 'eslint-plugin-unicorn';
import ESLintConfigPrettier from 'eslint-config-prettier';
import ESLintPluginSonarJs from 'eslint-plugin-sonarjs';
import * as ESLintPluginDepend from 'eslint-plugin-depend';

export default defineConfig([
  {
    extends: [
      ESLintPluginSonarJs.configs.recommended,
      ESLintJs.configs.recommended,
      ESLintPluginStylistic.configs.recommended,
      // ESLintPluginTypescript.configs.recommendedTypeChecked,
      ...ESLintPluginTypescript.configs.strictTypeChecked,
      ...ESLintPluginTypescript.configs.stylisticTypeChecked,
      ESLintPluginUnicorn.configs.recommended,
      ESLintConfigPrettier,
      ESLintPluginDepend.configs['flat/recommended'],
      ESLintPluginStylistic.configs['disable-legacy']
    ],
    plugins: {
      'n': ESLintPluginN,
      '@stylistic': ESLintPluginStylistic,
      'prettier': ESLintPluginPrettier,
      'unicorn': ESLintPluginUnicorn,
      'depend': ESLintPluginDepend.default
    },
    rules: {
      'array-bracket-spacing': ['error', 'never'],
      'block-scoped-var': 'error',
      'brace-style': ['error', '1tbs'],
      'camelcase': 'warn',
      'computed-property-spacing': ['error', 'never'],
      'curly': 'error',
      'eol-last': 'error',
      'eqeqeq': ['error', 'smart'],
      'max-depth': ['warn', 3],
      '@stylistic/max-len': ['warn', {
        code: 80,
        // 'ignoreComments': true,
        ignoreUrls: true,
        ignoreStrings: true,
        ignoreTemplateLiterals: true,
        ignoreRegExpLiterals: true
      }],
      'max-statements': ['warn', 20],
      'new-cap': 'warn',
      'no-extend-native': 'error',
      'no-mixed-spaces-and-tabs': 'error',
      'no-trailing-spaces': 'error',
      'no-unused-vars': 'warn',
      'no-use-before-define': ['error', 'nofunc'],
      'object-curly-spacing': ['error', 'always'],
      'quotes': ['error', 'single', 'avoid-escape'],
      'semi': ['error', 'always'],
      'keyword-spacing': ['error', { 'before': true, 'after': true }],
      'space-unary-ops': 'error',
      'unicorn/no-typeof-undefined': 'off',
      'unicorn/no-this-assignment': 'off',
      '@typescript-eslint/no-this-alias': 'off',
      'sonarjs/no-alphabetical-sort': 'off',
      'sonarjs/todo-tag': 'warn'
    },
    languageOptions: {
      ecmaVersion: 2022,
      sourceType: 'module',
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      }
    },
  },
  {
    ignores: [
      '**/*.js',
      '**/*.mjs',
      'node_modules',
      'dist',
      'coverage'
    ]
  },
  {
    files: [
      'src/**/*.ts'
    ],
    plugins: {
      n: ESLintPluginN,
      '@stylistic': ESLintPluginStylistic,
      tsdoc: ESLintPluginTSDoc,
      prettier: ESLintPluginPrettier,
      unicorn: ESLintPluginUnicorn
    },
    rules: {
      'no-unused-vars': 'off',
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/no-unused-vars': ['error', {
        'argsIgnorePattern': '^_|^(resolve|reject|err)$'
      }],
      'n/no-missing-import': ['error', {
        'ignoreTypeImport': true
      }],
      'unicorn/no-array-sort': 'off',
      'unicorn/require-array-sort-compare': 'off',
      'unicorn/no-array-callback-reference': 'off',
      'unicorn/no-this-outside-of-class': 'off'
    },
  },
  {
    files: ['test/**/*.ts'],
    plugins: {
      n: ESLintPluginN,
      '@stylistic': ESLintPluginStylistic,
      prettier: ESLintPluginPrettier
    },
    rules: {
      'max-statements': 'off',
      'unicorn/filename-case': 'off'
    },
    settings: {
    },
  },
]);