webpack.config.prod.js

const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const pkg = require('./package.json');
const _ = require('lodash');

module.exports = {
    entry: {
        js: './src/index',
        vendor: _.keys(pkg.dependencies)
    },
    output: {
        path: path.join(__dirname, 'dist'),
        filename: 'bundle.js'
    },
    plugins: [
        new webpack.optimize.CommonsChunkPlugin({
            name: 'vendor',
            minChunks: Infinity,
            filename: 'vendor.bundle.js'
        }),
        new webpack.optimize.OccurenceOrderPlugin(),
        new webpack.DefinePlugin({
            '__DEV__': false,
            'process.env': {
                'NODE_ENV': JSON.stringify('production')
            }
        }),
        new webpack.optimize.UglifyJsPlugin({
            compressor: {
                warnings: false
            },
            output: {
                comments: false
            }
        }),
        new HtmlWebpackPlugin({
            template: 'index.html', // Load a custom template 
            inject: 'body', // Inject all scripts into the body 
            hash: true
        }),
        new webpack.ProvidePlugin({
            ReactDOM: 'react-dom',
            React: 'react',
            'window.React': 'react',
            'window.ReactDOM': 'react-dom'
        })
    ],
    module: {
        loaders: [{
            test: /\.js$/,
            loaders: ['babel'],
            include: path.join(__dirname, 'src')
        },
            {
                test: /\.css$/,
                loader: "style!css"
            },
            {
                test: /\.scss$/,
                loader: "style!css!sass"
            },
            {
                test: /\.less$/,
                
                loader: "style!css!less"
            }, { test: /\.(png|jpg)$/, loader: 'file' } ]
    }
};