aws4-express/eslint.config.mjs

Express middleware handlers for validation AWS Signature V4

import globals from 'globals';
import tsParser from '@typescript-eslint/parser';
import jsdoc from 'eslint-plugin-jsdoc';
import preferArrow from 'eslint-plugin-prefer-arrow';
import _import from 'eslint-plugin-import';
import typescriptEslint from '@typescript-eslint/eslint-plugin';

import { fixupPluginRules } from '@eslint/compat';

import js from '@eslint/js';

import { FlatCompat } from '@eslint/eslintrc';
import { fileURLToPath } from 'url';
import path from 'path';

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 [
  // Global ignores
  {
    ignores: ['**/tsconfig*.json', '.vscode/**/*', 'dist/**/*'],
  },
  // Main config
  {
    files: ['**/*.ts', '**/*.js'],
    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.mocha,
      },

      parser: tsParser,
      sourceType: 'module',

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

    plugins: {
      jsdoc,
      'prefer-arrow': preferArrow,
      import: fixupPluginRules(_import),
      '@typescript-eslint': typescriptEslint,
    },

    rules: {
      '@typescript-eslint/no-floating-promises': ['error'],
      '@typescript-eslint/adjacent-overload-signatures': 'error',

      '@typescript-eslint/array-type': [
        'error',
        {
          default: 'array-simple',
        },
      ],

      // "@typescript-eslint/ban-types" została zastąpiona przez nowe reguły w v8
      '@typescript-eslint/no-empty-object-type': 'error',
      '@typescript-eslint/no-unsafe-function-type': 'error',
      '@typescript-eslint/no-wrapper-object-types': 'error',

      '@typescript-eslint/consistent-type-assertions': 'error',
      '@typescript-eslint/consistent-type-definitions': 'error',
      '@typescript-eslint/dot-notation': 'error',

      '@typescript-eslint/explicit-member-accessibility': [
        'error',
        {
          accessibility: 'explicit',
        },
      ],

      '@typescript-eslint/indent': 'off',

      '@typescript-eslint/member-delimiter-style': [
        'off',
        {
          multiline: {
            delimiter: 'none',
            requireLast: true,
          },

          singleline: {
            delimiter: 'semi',
            requireLast: false,
          },
        },
      ],

      '@typescript-eslint/member-ordering': 'error',
      '@typescript-eslint/naming-convention': 'off',
      '@typescript-eslint/no-empty-function': 'off',
      '@typescript-eslint/no-empty-interface': 'error',
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-misused-new': 'error',
      '@typescript-eslint/no-namespace': 'error',
      '@typescript-eslint/parameter-properties': 'off',

      '@typescript-eslint/no-shadow': [
        'error',
        {
          hoist: 'all',
        },
      ],

      '@typescript-eslint/no-unused-expressions': 'error',
      '@typescript-eslint/no-use-before-define': 'off',
      '@typescript-eslint/no-require-imports': 'error',
      '@typescript-eslint/prefer-for-of': 'error',
      '@typescript-eslint/prefer-function-type': 'error',
      '@typescript-eslint/prefer-namespace-keyword': 'error',
      '@typescript-eslint/quotes': 'off',
      '@typescript-eslint/semi': ['off', null],

      '@typescript-eslint/triple-slash-reference': [
        'error',
        {
          path: 'always',
          types: 'prefer-import',
          lib: 'always',
        },
      ],

      '@typescript-eslint/type-annotation-spacing': 'off',
      '@typescript-eslint/unified-signatures': 'error',
      'arrow-body-style': 'error',
      'arrow-parens': ['off', 'always'],
      'brace-style': ['off', 'off'],
      'comma-dangle': 'off',
      complexity: 'off',
      'constructor-super': 'error',
      curly: 'error',
      'eol-last': 'off',
      eqeqeq: ['error', 'smart'],
      'guard-for-in': 'error',
      'id-blacklist': 'off',
      'id-match': 'off',
      'import/order': 'error',
      'jsdoc/check-alignment': 'error',
      'jsdoc/check-indentation': 'error',
      'jsdoc/newline-after-description': 'off',
      'linebreak-style': 'off',
      'max-classes-per-file': ['error', 1],
      'max-len': 'off',
      'new-parens': 'off',
      'newline-per-chained-call': 'off',
      'no-bitwise': 'error',
      'no-caller': 'error',
      'no-cond-assign': 'error',

      'no-console': [
        'error',
        {
          allow: [
            'warn',
            'dir',
            'time',
            'timeEnd',
            'timeLog',
            'trace',
            'assert',
            'clear',
            'count',
            'countReset',
            'group',
            'groupEnd',
            'table',
            'debug',
            'info',
            'dirxml',
            'error',
            'groupCollapsed',
            'Console',
            'profile',
            'profileEnd',
            'timeStamp',
            'context',
          ],
        },
      ],

      'no-debugger': 'error',
      'no-empty': 'error',
      'no-eval': 'error',
      'no-extra-semi': 'off',
      'no-fallthrough': 'off',
      'no-invalid-this': 'off',
      'no-irregular-whitespace': 'off',
      'no-multiple-empty-lines': 'off',
      'no-new-wrappers': 'error',
      'no-throw-literal': 'error',
      'no-trailing-spaces': 'off',
      'no-undef-init': 'error',
      'no-underscore-dangle': 'off',
      'no-unsafe-finally': 'error',
      'no-unused-labels': 'error',
      'no-var': 'error',
      'object-shorthand': 'error',
      'one-var': ['error', 'never'],
      'prefer-arrow/prefer-arrow-functions': 'error',
      'prefer-const': 'error',
      'quote-props': 'off',
      radix: 'error',
      'space-before-function-paren': 'off',
      'space-in-parens': ['off', 'never'],

      'spaced-comment': [
        'error',
        'always',
        {
          markers: ['/'],
        },
      ],

      'use-isnan': 'error',
      'valid-typeof': 'error',
    },
  },
  // Prettier config (musi być na końcu)
  ...compat.extends('plugin:prettier/recommended'),
];