title: module is not defined and process is not defined in eslint in visual studio code
body: <p>I have installed eslint in my machine and i have used visual studio code
  i have certain modules and process to be exported
  When i try to use "module" or "process" it shows 
  it was working fine before.</p>
  
  <pre><code>[eslint] 'module' is not defined. (no-undef)
  [eslint] 'process' is not defined. (no-undef)
  </code></pre>
  
  <p>and here is my .eslintrc.json</p>
  
  <pre><code>{
  
  "env": {
      "browser": true,
      "amd": true
  
  },
  "parserOptions": {
      "ecmaVersion": 6
    },
  "extends": "eslint:recommended",
  "rules": {
      "no-console": "off",
      "indent": [
          "error",
          "tab"
      ],
      "linebreak-style": [
          "error",
          "windows"
      ],
      "quotes": [
          "error",
          "single"
      ],
      "semi": [
          "error",
          "always"
      ]
  }
  </code></pre>
  
  <p>}</p>
  
  <p>I want to remove this error </p>