.eslintrc.js

module.exports = {
  env: {
    browser: true,
    commonjs: true,
    es6: true,
    node: true,
  },
  extends: [
    'xo',
    'xo-space',
    'xo-react/space',
  ],
  globals: {
    jest: 'readonly',
    test: 'readonly',
    expect: 'readonly',
    beforeEach: 'readonly',
    afterEach: 'readonly',
  },
  parser: '@babel/eslint-parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 2018,
  },
  plugins: [
    'react',
    'import',
  ],
  rules: {
    'no-eq-null': 0,
    eqeqeq: ['error', 'allow-null'],
    'valid-jsdoc': ['error'],

    // Ensure absolute imports are above relative imports and that unassigned imports are ignored
    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/order.md
    'import/order': ['error', {groups: [['builtin', 'external', 'internal']]}],

    // Require a newline after the last import/require in a group
    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/newline-after-import.md
    'import/newline-after-import': 'error',
  },
};