.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es2015: true,
    node: true,
    jest: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'prettier',
    'prettier/react',
  ],
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: 'module',
  },
  plugins: ['react'],
  rules: {
    indent: ['error', 2, { SwitchCase: 1 }],
    'linebreak-style': ['error', 'unix'],
    quotes: ['error', 'single', { allowTemplateLiterals: true }],
    semi: ['error', 'always'],
  },
  settings: {
    react: {
      createClass: 'createReactClass',
      pragma: 'React',
      version: 'detect',
    },
    propWrapperFunctions: [
      'forbidExtraProps',
      { property: 'freeze', object: 'Object' },
      { property: 'myFavoriteWrapper' },
    ],
    linkComponents: ['Hyperlink', { name: 'Link', linkAttribute: 'to' }],
  },
  parser: '@babel/eslint-parser',
};