webpack.config.js

var path = require("path");
var webpack = require("webpack");
var TARGET = process.env.TARGET || null;

var config = {
  entry: {},
  output: {
    path: path.join(__dirname, "example"),
    filename: "bundle.js"
  },
  module: {
    loaders: [
      { test: /\.(js|jsx)/, exclude: /node_modules/, loader: "babel-loader" },
      { test: /\.(css|scss)/, loader: "style!css!postcss!sass?sourceMap" }
    ]
  },
  resolve: {
    extensions: ["", ".js", ".jsx"]
  },
  plugins: [],
  devServer: {
    contentBase: "./example",
    inline: true
  }
};

if (TARGET === "minify") {
  config.entry.index = path.join(__dirname, "example/index.jsx");

  config.plugins.push(
    new webpack.DefinePlugin({
      "process.env": {
        NODE_ENV: JSON.stringify("production")
      }
    })
  );

  config.plugins.push(
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        screw_ie8: true,
        warnings: false
      },
      mangle: {
        screw_ie8: true
      },
      output: {
        comments: false,
        screw_ie8: true
      }
    })
  );
} else {
  config.entry.index = [
    "webpack/hot/dev-server",
    path.join(__dirname, "example/index.jsx")
  ];
}

module.exports = config;