When I run webpack, all of node_modules builds even though its ignored

Question

Hey, question title says it all. When I run webpack it seems to bundle all the modules in node_modules even though its ignored in the webpack config. This is my output after running webpack:

webpack
Hash: e8457a8108e5f7ca1d9e
Version: webpack 2.2.1
Time: 2809ms
   Asset    Size  Chunks                    Chunk Names
bundle.js  711 kB       0  [emitted]  [big]  main
   [1] ./~/fbjs/lib/warning.js 2.1 kB {0} [built]
   [9] ./~/react-dom/lib/ReactUpdates.js 9.53 kB {0} [built]
  [14] ./~/react/lib/ReactElement.js 11.2 kB {0} [built]
  [17] ./~/react-dom/lib/ReactReconciler.js 6.21 kB {0} [built]
  [18] ./~/react/lib/React.js 2.69 kB {0} [built]
  [78] ./~/react-dom/index.js 59 bytes {0} [built]
  [79] ./~/react/react.js 56 bytes {0} [built]
 [107] ./~/react-dom/lib/ReactDOM.js 5.14 kB {0} [built]
 [168] ./~/react/lib/ReactClass.js 26.5 kB {0} [built]
 [169] ./~/react/lib/ReactDOMFactories.js 5.53 kB {0} [built]
 [170] ./~/react/lib/ReactPropTypes.js 15.8 kB {0} [built]
 [171] ./~/react/lib/ReactPureComponent.js 1.32 kB {0} [built]
 [172] ./~/react/lib/ReactVersion.js 350 bytes {0} [built]
 [174] ./~/react/lib/onlyChild.js 1.34 kB {0} [built]
 [176] ./src/app.js 281 bytes {0} [built]
    + 162 hidden modules

This is my webpack.config.js
```javascript
module.exports = {
    entry: './app.js',
output: {
    // path: 'build',
    filename: 'bundle.js'
},

module: {
    loaders: [
        {
            test: /\.js$/,
            exclude: /node_modules/,
            loader: 'babel-loader'
        }
    ]
}
};
```
my .babelrc
```javascript
{
    "presets": ["react", "es2015"
    ]
}
```
And my app.js is just importing things and console logging so I can see the output.
```javascript
// Libs
import React from "react";
import ReactDOM from "react-dom";
console.log("This is working");
```
Any help would be appreciated!

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DIJITUL UK

When I run webpack, all of node_modules builds even though its ignored