.eslintrc.js

/* eslint-env node */
module.exports = {
  root: true,
  ignorePatterns: ['node_modules', 'dist', '*.js'],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: ['./tsconfig.json', './*/tsconfig.json'],
    tsconfigRootDir: __dirname
  },
  plugins: ['@typescript-eslint', 'import', 'prettier'],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'prettier'
  ],
  settings: {
    'import/resolver': {
      typescript: {
        project: ['./tsconfig.json', './*/tsconfig.json']
      }
    }
  },
  rules: {
    'prettier/prettier': 'error',
    'import/order': [
      'error',
      {
        'groups': [
          'builtin',
          'external',
          'internal',
          'parent',
          'sibling',
          'index'
        ],
        'newlines-between': 'always',
        'alphabetize': { order: 'asc', caseInsensitive: true }
      }
    ],
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/no-unsafe-assignment': 'warn',
    '@typescript-eslint/no-unsafe-member-access': 'warn',
    '@typescript-eslint/no-unsafe-argument': 'warn',
    '@typescript-eslint/restrict-template-expressions': 'warn',
    '@typescript-eslint/no-floating-promises': 'warn',
    '@typescript-eslint/no-unnecessary-condition': 'warn'
  },
  env: {
    node: true
  },
  overrides: [
    {
      files: ['*.js'],
      extends: ['eslint:recommended', 'plugin:prettier/recommended'],
      parser: 'espree',
      parserOptions: {
        ecmaVersion: 2021
      }
    }
  ]
};