simple webpack config

webpack.config.js

var path = require('path');
var webpack = require('webpack');
var ExtractTextPlugin = require('extract-text-webpack-plugin');

var config = {

	watchOptions: {
		aggregateTimeout: 300,
		poll: 1000
	},
	resolve: {
		alias: {
			"store": path.resolve(__dirname, "assets/js/libs/store.min.js"),
			"react-slick" : path.resolve(__dirname, "assets/js/libs/react-slick.min.js")
		},
		extensions: ['.js', '.jsx']
	},
	devtool: 'eval-cheap-source-map',
	entry: {
		app: "./src/app.jsx",
		vendor: ["react", "react-dom", "store", "react-slick"]
 	},
	output: {
		path: path.resolve(__dirname, 'assets/'),
		filename: "js/bundle.js"
	},
	plugins: [
		new ExtractTextPlugin('css/build-styles.css'),
		new webpack.optimize.OccurrenceOrderPlugin(),
		new webpack.ProvidePlugin({
			'store' : 'store',
			'window.store' : 'store',
			'react-slick' : 'react-slick'
		}),
		new webpack.optimize.CommonsChunkPlugin({
			name: 'vendor',
			filename: 'js/vendor.bundle.js'
		}),
		new webpack.DefinePlugin({
			'process.env': {
				'NODE_ENV': JSON.stringify('production')
			}
		})
	],

	module: {
		rules: [
			{
				test: /\.jsx?$/,
				exclude: /(node_modules)/,
				loader: 'babel-loader'
			},
			{
				test: /\.css$/,
				loader:  ExtractTextPlugin.extract({
			   		loader: 'css-loader?-url&importLoaders=1&modules=true&localIdentName=[name]_[local]_[sha1:hash:hex:5]',
				}),
			}
		]
	}

};

console.log(process.env.NODE_ENV + " place");

if (process.env.NODE_ENV === 'production') {

	config.devtool = 'source-map';

	config.plugins.push(new webpack.optimize.UglifyJsPlugin({
		compress: {
			warnings: false,
			screw_ie8: true,
			conditionals: true,
			unused: true,
			comparisons: true,
			sequences: true,
			dead_code: true,
			evaluate: true,
			if_return: true,
			join_vars: true,
		},
		output: {
			comments: false,
		},
	}));

}

module.exports = config;