Webpack Express conf

webpack.config.js

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

module.exports = {
  context: path.resolve(__dirname, 'client'),
  entry: './entry.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'public/javascripts'),
  },
  resolve: {
    extensions: ['.js', '.scss'],
  },
  module: {
    loaders: [
      {
        test: /\.js$/,
        exclude: /(node_modules|public)/,
        loader: 'babel-loader',
        query: {
          presets: ['es2015'],
        },
      },
      {
        test: /\.s?css$/,
        exclude: /(node_modules|public)/,
        loader: ExtractTextPlugin.extract({
          fallback: 'style-loader',
          use: ['css-loader?sourceMap', 'sass-loader?sourceMap'],
        }),
      },
    ],
  },
  plugins: [
   // new webpack.optimize.UglifyJsPlugin(),
    new ExtractTextPlugin('../stylesheets/bundle.css'),
    new webpack.ProvidePlugin({
      $: 'jquery',
      jQuery: 'jquery',
      adapter: 'webrtc-adapter',
      Janus: 'node-janus-webrtc',
    }),
  ],
  devtool: 'source-map',
};