.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
    jest: true
  },
  extends: ['airbnb-base', 'eslint:recommended', 'plugin:react/recommended'],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly'
  },
  parserOptions: {
    ecmaVersion: 2018,
    sourceType: 'module'
  },
  rules: {
    'comma-dangle': ['error', 'never'],
    'no-param-reassign': ['error', { props: false }],
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'always',
        mjs: 'never',
        jsx: 'never'
      }
    ]
  },
  parser: 'babel-eslint',
  settings: {
    react: {
      createClass: 'createReactClass', // Regex for Component Factory to use,
      // default to "createReactClass"
      pragma: 'React', // Pragma to use, default to "React"
      version: 'detect', // React version. "detect" automatically picks the version you have installed.
      // You can also use `16.0`, `16.3`, etc, if you want to override the detected value.
      // default to latest and warns if missing
      // It will default to "detect" in the future
      flowVersion: '0.53' // Flow version
    },
    propWrapperFunctions: [
      // The names of any function used to wrap propTypes, e.g. `forbidExtraProps`. If this isn't set, any propTypes wrapped in a function will be skipped.
      'forbidExtraProps',
      { property: 'freeze', object: 'Object' },
      { property: 'myFavoriteWrapper' }
    ],
    linkComponents: [
      // Components used as alternatives to <a> for linking, eg. <Link to={ url } />
      'Hyperlink',
      { name: 'Link', linkAttribute: 'to' }
    ]
  }
};