.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  root: true,
  env: {
    node: true,
    es6: true,
  },
  parserOptions: {
    ecmaVersion: 6,
    sourceType: 'module',
    ecmaFeatures: {
      impliedStrict: true,
    },
  },
  plugins: ['jest', 'prettier', '@typescript-eslint'],
  extends: [
    'tui',
    'prettier/@typescript-eslint',
    'plugin:jest/recommended',
    'plugin:prettier/recommended',
    'plugin:@typescript-eslint/recommended',
  ],
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
    'accessor-pairs': ['off'],
    complexity: ['error', { max: 10 }],
    'consistent-return': ['off'],
    'max-nested-callbacks': ['error', { max: 10 }],
    'default-case': ['off'],
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-use-before-define': ['error', { functions: false, classes: false }],
    '@typescript-eslint/no-empty-function': 'warn',
    '@typescript-eslint/no-non-null-assertion': 'off',
    'no-unused-expressions': 'off',
    '@typescript-eslint/no-unused-expressions': 'error',
  },
};