old_contents: module.exports = {
    extends: 'airbnb',
    plugins: ['babel'],
    parser: 'babel-eslint',
    rules: {
      'babel/arrow-parens': [2, 'as-needed'],
      'babel/object-curly-spacing': [2, 'never'],
      'global-require': 0,
      'jsx-quotes': [2, 'prefer-single'],
      'new-cap': 0,
      'no-restricted-globals': [2, 'find'],
      'no-confusing-arrow': 0,
      'no-param-reassign': 0,
      'no-shadow': 0,
      'no-underscore-dangle': 0,
      'object-curly-spacing': 0,
      'prefer-spread': 2,
      'react/prop-types': 0,
      'react/jsx-indent': 0,
      'react/react-in-jsx-scope': 0,
      'react/jsx-no-duplicate-props': 2,
      'semi': [2, 'never'],
    },
  }
  
new_contents: module.exports = {
    extends: 'airbnb',
    plugins: ['babel'],
    parser: 'babel-eslint',
    rules: {
      'babel/arrow-parens': [2, 'as-needed'],
      'babel/object-curly-spacing': [2, 'never'],
      'global-require': 0,
      'jsx-quotes': [2, 'prefer-single'],
      'no-restricted-globals': [2, 'find'],
      'no-confusing-arrow': 0,
      'no-underscore-dangle': 0,
      'object-curly-spacing': 0,
      'prefer-spread': 2,
      'react/prop-types': 0,
      'react/react-in-jsx-scope': 0,
      'react/jsx-no-duplicate-props': 2,
      'semi': [2, 'never'],
    },
  }
  
subject: enable additional lint rules