.eslintrc.js

module.exports = {
  extends: ['airbnb', 'prettier', 'prettier/react'],
  plugins: ['babel', 'prettier'],
  parser: 'babel-eslint',
  parserOptions: {
    ecmaVersion: 2016,
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true
    }
  },
  env: {
    es6: true,
    browser: true,
    node: true,
    jest: true
  },
  rules: {
    // Because of Next's weird way to render Link elements
    // https://github.com/evcohen/eslint-plugin-jsx-a11y/issues/402
    'jsx-a11y/anchor-is-valid': [
      'error',
      {
        components: ['Link'],
        specialLink: ['hrefLeft', 'hrefRight'],
        aspects: ['invalidHref', 'preferButton']
      }
    ],
    'no-underscore-dangle': ['error', { allow: ['_react_id'] }],
    'jsx-a11y/label-has-for': false
  },
  globals: {
    Rollbar: true
  }
};