title: Failing to browse React application deployed to Heroku
body: <blockquote>
    <p>When wirite <a href="https://tictactoesko.herokuapp.com/" rel="nofollow noreferrer">https://tictactoesko.herokuapp.com/</a> in a browser then I
    recive folowing error message:</p>
    
    <p>Failed to compile ./src/index.js Module build failed: Error: Cannot
    find module 'eslint/lib/formatters/stylish'</p>
    
    <p>My index.js look like this
    import React from 'react'
    import ReactDOM from 'react-dom'
    import './index.css'
    import Game from './Game'</p>
  </blockquote>
  
  <p>ReactDOM.render(, document.getElementById('root'))</p>
  
  <blockquote>
    <p>My package.json looks like this</p>
  </blockquote>
  
  <pre><code>{
    "name": "tic-tac-toe",
    "version": "0.1.0",
    "private": true,
    "eslintConfig": {
      "env": {
        "es6": true
      },
      "parserOptions": {
        "ecmaVersion": 8,
        "sourceType": "module",
        "ecmaFeatures": {
          "jsx": true
        }
      },
      "extends": [
        "standard",
        "react-app",
        "plugin:jsx-a11y/recommended" 
      ],
      "plugins": [
        "jsx-a11y",
        "react"
        ],
      "rules": {
        "no-trailing-spaces": "off",
        "padded-blocks":"off",
        "jsx-a11y/href-no-hash":"off"
     }
    },
    "jest": {
      "testMatch": [
        "**/test/**/*.js?(x)"
      ],
      "collectCoverage": true,
      "coverageDirectory": "coverage",
      "coverageThreshold": {
        "global": {
          "branches": 100,
          "functions": 100,
          "lines": 100,
          "statements": 100
        }
      }
    },
    "dependencies": {
      "chromedriver": "^2.35.0",
      "jest-cli": "^22.3.0",
      "react": "^16.2.0",
      "react-dom": "^16.2.0",
      "react-scripts": "1.1.1",
      "selenium-webdriver": "^4.0.0-alpha.1"
    },
    "scripts": {
      "start": "react-scripts start",
      "build": "react-scripts build",
      "lint": "./node_modules/.bin/eslint  src/** test/** ",
      "test": "jest",
      "eject": "react-scripts eject",
      "cypress:open": "cypress open"
    },
    "devDependencies": {
      "babel-eslint": "^7.2.3",
      "babel-jest": "^22.2.2",
      "babel-preset-env": "^1.6.1",
      "babel-preset-react": "^6.24.1",
      "cypress": "^2.0.3",
      "enzyme": "^3.3.0",
      "enzyme-adapter-react-16": "^1.1.1",
      "eslint": "^4.18.1",
      "eslint-config-google": "^0.9.1",
      "eslint-config-react-app": "^2.1.0",
      "eslint-config-standard": "^11.0.0",
      "eslint-plugin-flowtype": "^2.46.1",
      "eslint-plugin-import": "^2.9.0",
      "eslint-plugin-jsx-a11y": "^6.0.3",
      "eslint-plugin-node": "^6.0.1",
      "eslint-plugin-promise": "^3.6.0",
      "eslint-plugin-react": "^7.7.0",
      "eslint-plugin-standard": "^3.0.1",
      "jest": "^22.3.0",
      "react-test-renderer": "^16.2.0"
    }
  }
  </code></pre>
  
  <blockquote>
    <p>Here is the travis.yml
    language: node_js node_js:
    - node addons:   sonarcloud:  before_script:
    - npm start -- --silent &amp; script:
    - npm run lint
    - npm test
    - sonar-scanner  -Dsonar.projectKey=TicTacToe -Dsonar.organization=steinko-github   -Dsonar.sources=src,test -Dsonar.host.url=<a href="https://sonarcloud.io" rel="nofollow noreferrer">https://sonarcloud.io</a> -Dsonar.login=6472ac35c070752487408fd8c946cca6b536eec2   -Dsonar.javascript.lcov.reportPaths=coverage/lcov.info
    - $(npm bin)/cypress run --record --key a1319fd9-2c6e-4888-8f02-e62f02b5001b deploy:   provider: heroku<br>
    api_key:
        secure: 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
    app: tictactoesko</p>
    
    <p>And the deployment log feom Heroku looks like this
    Building dependencies
           Installing node modules (package.json + package-lock)
           up to date in 11.521s
    -----> Caching build
           Clearing previous node cache
           Saving 2 cacheDirectories (default):
           - node_modules
           - bower_components (nothing to cache)
    -----> Build succeeded!
    -----> Discovering process types
           Procfile declares types     -> (none)
           Default types for buildpack -> web
    -----> Compressing...
           Done: 57.4M
    -----> Launching...
           Released v11
           <a href="https://tictactoesko.herokuapp.com/" rel="nofollow noreferrer">https://tictactoesko.herokuapp.com/</a> deployed to Heroku</p>
    
    <p>When wirite <a href="https://tictactoesko.herokuapp.com/" rel="nofollow noreferrer">https://tictactoesko.herokuapp.com/</a> in a browser then I
    recive folowing error message:</p>
    
    <p>Failed to compile ./src/index.js Module build failed: Error: Cannot
    find module 'eslint/lib/formatters/stylish'
    How could i correct this error?</p>
  </blockquote>