Webpack2 (still not working)

webpack.config.dev.js

var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
    entry: './src/index.js',
    output: {
        filename: 'bundle.js'
    },
    resolve: {
        modules: [
            'node_modules'
        ],
        extensions: ['.js']
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loaders: 'buble-loader'
            },
            {
                test: /\.css$/,
                loaders: [
                    {
                        loader: 'style-loader'
                    },
                    {
                        loader: 'css-loader',
                    }
                ]
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './src/index.html',
            inject: 'body'
        }),
        new webpack.DefinePlugin({
            PRODUCTION: false
        })
    ],
    devtool: 'cheap-eval-source',
    devServer: {
        contentBase: './src',
        inline: true,
        historyApiFallback: true
    },
    performance: {
        hints: false
    }
};

webpack.config.prod.js

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

module.exports = {
    context: __dirname,
    entry: './src/index.js',
    output: {
        path: './dist',
        filename: '[hash].js'
    },
    resolve: {
        modules: [
            'node_modules'
        ],
        extensions: ['.js']
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loaders: 'buble-loader'
            },
            {
                test: /\.css$/,
                loaders: ExtractTextPlugin.extract({
                    fallbackLoader: 'style-loader',
                    loader: 'css-loader'
                })
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './src/index.html',
            inject: 'body',
            minify: {
                removeComments: true,
                collapseWhitespace: true
            }
        }),
        new ExtractTextPlugin('[hash].css'),
        new webpack.DefinePlugin({
            PRODUCTION: true
        }),
        new webpack.optimize.UglifyJsPlugin({
            compress: {
                drop_console: true
            },
            comments: false
        }),
        new webpack.optimize.OccurrenceOrderPlugin(true),
        new webpack.LoaderOptionsPlugin({
            minimize: true,
            debug: false
        })
    ]
};