title: webpack not generating bundle.js
body: <p>I am making a web app use react and php and i am using webpack for es6 to js so i generated files but i have a problem about webpack output bundle.js file.</p>
  
  <blockquote>
    <p>this is my webpack.config.js</p>
  </blockquote>
  
  <pre><code>const webpack = require('webpack');
  
  module.exports = {
    entry: [
      './src/index.jsx'
    ],
    output: {
      path: '/dist',
      publicPath: '/dist/',
      filename: 'bundle.js'
    },
    devServer: {
      contentBase: './dist',
    },
    module: {
      rules: [{
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['env', 'react']
          }
        }
      }, {
        test: /(\.css|.scss)$/,
        use: [{
          loader: "style-loader"
        }, {
          loader: "css-loader"
        }, {
          loader: "sass-loader"
        }]
      }]
    },
    resolve: {
      extensions: ['*', '.js', '.jsx']
    }
  };
  </code></pre>
  
  <blockquote>
    <p>this is my package.json</p>
  </blockquote>
  
  <pre><code>{
    "name": "react-app",
    "version": "1.0.0",
    "description": "",
    "main": "index.js",
    "scripts": {
      "start": "webpack-dev-server --history-api-fallback --progress --colors --config ./webpack.config.js"
    },
    "author": "",
    "license": "ISC",
    "devDependencies": {
      "axios": "^0.17.1",
      "babel-core": "^6.26.0",
      "babel-loader": "^7.1.2",
      "babel-preset-env": "^1.6.1",
      "babel-preset-react": "^6.24.1",
      "babel-preset-stage-2": "^6.24.1",
      "clean-webpack-plugin": "^0.1.18",
      "css-loader": "^0.28.9",
      "html-webpack-plugin": "^2.30.1",
      "node-sass": "^4.7.2",
      "react-hot-loader": "^3.1.3",
      "sass-loader": "^6.0.6",
      "style-loader": "^0.20.1",
      "webpack": "^3.10.0",
      "webpack-dev-server": "^2.11.1"
    },
    "dependencies": {
      "bootstrap": "^4.0.0",
      "express": "^4.16.2",
      "react": "^16.2.0",
      "react-dom": "^16.2.0",
      "react-router-dom": "^4.2.2",
      "reactstrap": "^5.0.0-beta"
    }
  }
  </code></pre>
  
  <p>why webpack generate and give me a bundle.js into the dist folder ? only saves it to the memory and show it on the localhost. i want use this react app with php but i can not handle to bundle.js.
  Where is the problem and why the webpack did not generate the js file.
  please help me </p>