title: Module not found: Error: Can't resolve 'fs'
body: <p>I working on a Laravel 5.3 project. I am getting below errors when I am running <code>gulp</code> command in CMD.</p>
  
  <p><a href="https://i.stack.imgur.com/0nfPI.png" rel="noreferrer"><img src="https://i.stack.imgur.com/0nfPI.png" alt="enter image description here"></a></p>
  
  <p>Could anyone say how can I get a error less result ?</p>
  
  <p><strong>gulpfile.js</strong></p>
  
  <pre><code>var elixir = require('laravel-elixir');
  
  require('laravel-elixir-vue');
  
  elixir(function(mix) {
      mix.sass('app.scss');
  });
  
  
  elixir(function(mix) {
     mix.webpack('app.js');
  }); 
  
  
  elixir(function(mix) {
      mix.version(['css/app.css', 'js/app.js']);
  });
  </code></pre>
  
  <p><strong>package.json</strong></p>
  
  <pre><code>{
    "private": true,
    "scripts": {
      "prod": "gulp --production",
      "dev": "gulp watch"
    },
    "devDependencies": {
      "babel-core": "^6.18.2",
      "babel-loader": "^6.2.7",
      "babel-plugin-add-module-exports": "^0.2.1",
      "bootstrap": "^4.0.0-alpha.3",
      "bootstrap-sass": "^3.3.7",
      "buble": "^0.14.2",
      "gulp": "^3.9.1",
      "jquery": "^3.1.0",
      "laravel-elixir": "^6.0.0-9",
      "laravel-elixir-browserify-official": "^0.1.3",
      "laravel-elixir-vue": "^0.1.4",
      "laravel-elixir-vue-2": "^0.2.0",
      "laravel-elixir-webpack-official": "^1.0.2",
      "lodash": "^4.14.0",
      "vue": "^1.0.26",
      "vue-resource": "^0.9.3"
    },
    "dependencies": {
      "admin-lte": "^2.3.7",
      "node-sass": "^3.13.0"
    }
  }
  </code></pre>