.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 12,
    sourceType: 'module',
    tsconfigRootDir: __dirname,
    project: ['./tsconfig.eslint.json', './packages/*/tsconfig.json'],
  },
  root: true,
  env: {
    node: true,
    jest: true,
    browser: true,
    es6: true,
  },
  extends: [
    'airbnb-typescript',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
    'prettier',
  ],
  plugins: ['@typescript-eslint', 'react', 'import'],
  rules: {
    'class-methods-use-this': 'off',
    'no-else-return': ['error', { allowElseIf: true }],
    'import/no-cycle': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      { argsIgnorePattern: '^_\\d*$' },
    ],
    '@typescript-eslint/lines-between-class-members': [
      'error',
      'always',
      { exceptAfterSingleLine: true },
    ],
    'import/prefer-default-export': 'off',
    'import/no-extraneous-dependencies': [
      'error',
      {
        devDependencies: ['**/*.test.ts', '**/*.spec.ts', '**/*.e2e-spec.ts'],
      },
    ],
    'prettier/prettier': 'error',
  },
};