.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    es2021: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 13,
    sourceType: 'module',
  },
  plugins: [
    '@typescript-eslint',
  ],
  rules: {
    'indent': ['error', 2],
    'linebreak-style': ['error', 'unix'],
    'quotes': ['error', 'single'],
    'semi': ['error', 'always'],
    'camelcase': 'error',
    'array-callback-return': 'error',
    'no-constructor-return': 'error',
    'no-duplicate-imports': 'error',
    'no-promise-executor-return': 'error',
    'no-self-compare': 'error',
    'no-template-curly-in-string': 'error',
    'no-unreachable-loop': 'error',
    'no-unused-private-class-members': 'error',
    'no-use-before-define': 'error',
    'require-atomic-updates': 'error',
    'curly': ['error', 'all'],
    'dot-notation': 'error',
    'no-lonely-if': 'error',
    'no-useless-call': 'error',
    'no-useless-concat': 'error',
    'no-useless-return': 'error',
    'comma-dangle': ['error', 'always-multiline'],
    'no-trailing-spaces': 'error',
    'comma-spacing': ['error', { 'before': false, 'after': true }],
    'sort-imports': 'error',
  }
};