.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'module',
  },
  plugins: ['prettier', 'simple-import-sort', '@typescript-eslint'],
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts'],
    },
    'import/resolver': {
      typescript: {},
    },
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
  ],
  rules: {
    'prettier/prettier': 'error',
    curly: 'error',
    'max-len': ['error', { code: 120 }],
    'no-dupe-class-members': 'off',
    'no-useless-constructor': 'off',
    '@typescript-eslint/no-useless-constructor': 'off',
    '@typescript-eslint/no-use-before-define': [
      'error',
      { functions: false, classes: false },
    ],
    'simple-import-sort/imports': ['error'],
    'no-unused-expressions': 'off',
    '@typescript-eslint/no-unused-expressions': 'error',
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': ['error'],
    '@typescript-eslint/ban-ts-comment': [
      'error',
      {
        'ts-expect-error': true,
        'ts-ignore': false,
        'ts-nocheck': true,
        'ts-check': false,
        minimumDescriptionLength: 3,
      },
    ],
  },
}