.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  env: {
    es6: true,
    browser: true,
    node: true,
    jest: true
  },
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true
    }
  },
  rules: {
    'arrow-body-style': 'warn',
    'linebreak-style': 'off',
    'no-param-reassign': 'off',
    'no-nested-ternary': 'warn',
    'global-require': 'off',
    'no-async-promise-executor': 'off',
    'max-classes-per-file': ['error', 2],
    'class-methods-use-this': 'off',
    'react/jsx-filename-extension': [1, { extensions: ['.js', '.tsx'] }],
    'react/prop-types': 'off',
    'import/no-extraneous-dependencies': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    'import/prefer-default-export': 'off'
  },
  settings: {
    react: {
      version: 'detect'
    },
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.tsx', '.ts'],
        moduleDirectory: ['node_modules', 'src/']
      }
    }
  },
  extends: ['airbnb', 'prettier', 'prettier/react', 'plugin:@typescript-eslint/recommended'],
  plugins: ['react', 'react-hooks', 'jsx-a11y', 'import', 'prettier', 'you-dont-need-momentjs']
};