webpack.config.js

const path = require('path');
const webpack = require('webpack');

module.exports = {
  entry: {
    vendor: ['lodash', 'fabric'],
    app: './src/app.js',
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist')
  },
  plugins: [
    new webpack.optimize.CommonsChunkPlugin({
      name: "vendor",
      // filename: "vendor.js"
      // (Give the chunk a different name)
  
      minChunks: Infinity,
      // (with more entries, this ensures that no other module
      //  goes into the vendor chunk)
    })
  ],
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['react']
          }
        }
      }
    ]
  },
  devServer: {
    contentBase: path.join(__dirname, "dist"),
    compress: true,
    port: 8080,
  }
};