Why do I get this error when I run npm run build? - node.js

Question

I first ran:
npm install babel-core babel-loader --save-dev
then I ran:
npm run build
and I got this following error:
> immutable-todo#1.0.0 build C:\Users\Ryan\Documents\to-do\immutable-redux- todo
> webpack
Hash: 396f0bfb9d565b6f60f0
Version: webpack 1.13.3
Time: 1285ms
+ 1 hidden modules
ERROR in ./src/app.js
Module build failed: Error: Couldn't find preset "react" relative to directory "C:\\Users\\Ryan\\Documents"
at C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-core\lib\transformation\file\options\option
-manager.js:299:19
at Array.map (native)
at OptionManager.resolvePresets (C:\Users\Ryan\Documents\to- do\immutable-redux-todo\node_modules\babel-core\lib\tran
sformation\file\options\option-manager.js:270:20)
at OptionManager.mergePresets (C:\Users\Ryan\Documents\to-do\immutable- redux-todo\node_modules\babel-core\lib\transf
ormation\file\options\option-manager.js:259:10)
at OptionManager.mergeOptions (C:\Users\Ryan\Documents\to-do\immutable- redux-todo\node_modules\babel-core\lib\transf
ormation\file\options\option-manager.js:244:14)
at OptionManager.init (C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-core\lib\transformation
\file\options\option-manager.js:374:12)
at File.initOptions (C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-core\lib\transformation\f
ile\index.js:216:65)
at new File (C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-core\lib\transformation\file\inde
x.js:139:24)
at Pipeline.transform (C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-core\lib\transformation
\pipeline.js:46:16)
at transpile (C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-loader\lib\index.js:41:20)
at Object.module.exports (C:\Users\Ryan\Documents\to-do\immutable-redux- todo\node_modules\babel-loader\lib\index.js:
138:12)
Here is my package.json:
{
"name": "immutable-todo",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"build": "webpack",
"watch": "webpack --watch"
},
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"immutable": "^3.8.0",
"react": "^0.14.6",
"react-dom": "^0.14.6",
"react-redux": "^4.4.5",
"redux": "^3.4.0"
},
"devDependencies": {
"babel-core": "^6.18.2",
"babel-loader": "^6.2.8",
"babel-preset-es2015": "^6.6.0",
"babel-preset-react": "^6.5.0",
"webpack": "^1.13.0"
}
}
I have been trying to search this four a long time with no luck, can you please help me understand what I am doing wrong and what I need to fix?
Thank you.
Here is my webpack.config.js:
module.exports = {
entry: './src/app.js',
output: {
path: __dirname,
filename: 'bundle.js'
},
module: {
loaders: [
{
test: /\.js$/,
exclude: /node_modules/,
loader: 'babel',
query: { presets: [ 'es2015', 'react' ] }
}
]
}
};