webpack.config.js

var path = require("path");
var SRC_DIR = path.join(__dirname, "/client/src");
var DIST_DIR = path.join(__dirname, "/client/dist");

const client = {
  entry: `${SRC_DIR}/client.jsx`,
  output: {
    filename: "bundle.js",
    path: DIST_DIR
  },
  module: {
    rules: [
      {
        test: /\.jsx?/,
        include: SRC_DIR,
        loader: "babel-loader",
        query: {
          presets: ["react", "es2015"]
        }
      },
      // {
      //   test: /\.css$/,
      //   include: /node_modules/,
      //   loaders: ["style-loader", "css-loader", "sass-loader"]
      // },
      {
        test: /\.css$/,
        include: /node_modules/,
        use: [
          "isomorphic-style-loader",
          {
            loader: "css-loader",
            options: {
              importLoaders: 1
            }
          },
          "postcss-loader",
          "sass-loader"
        ]
      },
      {
        test: /\.(png|jp(e*)g|svg)$/,
        use: [
          {
            loader: "url-loader",
            options: {
              limit: 8000, // Convert images < 8kb to base64 strings
              name: "images/[hash]-[name].[ext]"
            }
          }
        ]
      }
    ]
  }
};

const server = {
  entry: `${SRC_DIR}/booking.jsx`,
  target: "node",
  output: {
    filename: "bundle-server.js",
    path: DIST_DIR,
    libraryTarget: "commonjs2"
  },
  module: {
    rules: [
      {
        test: /\.jsx?/,
        include: SRC_DIR,
        loader: "babel-loader",
        query: {
          presets: ["react", "es2015"]
        }
      },
      // {
      //   test: /\.css$/,
      //   include: /node_modules/,
      //   loaders: ["style-loader", "css-loader", "sass-loader"]
      // },
      {
        test: /\.css$/,
        include: /node_modules/,
        use: [
          "isomorphic-style-loader",
          {
            loader: "css-loader",
            options: {
              importLoaders: 1
            }
          },
          "postcss-loader",
          "sass-loader"
        ]
      },
      {
        test: /\.(png|jp(e*)g|svg)$/,
        use: [
          {
            loader: "url-loader",
            options: {
              limit: 8000, // Convert images < 8kb to base64 strings
              name: "images/[hash]-[name].[ext]"
            }
          }
        ]
      }
    ]
  }
};

module.exports = [client, server];