webpack.config.js

const webpack = require("webpack");
const yargs = require("yargs");
const path = require("path");
const nib = require('nib');

const argv = yargs
  .boolean("p")
  .alias("p", "optimize-minimize")
  .argv;


module.exports = {
  entry: {
    example: [
      path.join(__dirname, "src", "example", "example.js")
    ]
  },

  output: {
    path: path.join(__dirname, "dist", "example"),
    filename: "[name].js",
    publicPath: "/"
  },

  module: {
    loaders: [
      {
        test: /\.(js|jsx)$/,
        include: __dirname,
        exclude: /node_modules/,
        loaders: ["babel", "eslint"]
      },
      {
        test: /\.styl$/,
        loaders: [
          "style",
          "css",
          "autoprefixer?browsers=last 2 version",
          "stylus"
        ]
      },
      {
        test: /\.css$/,
        loaders: [
          "style",
          "css",
          "autoprefixer?browsers=last 2 version"
        ]
      },
      {
        test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
        loader: "url?limit=10000&mimetype=image/svg+xml"
      }
    ]
  },

  resolve: {
    extensions: ["", ".js", ".css", ".styl"],
    root: [
      path.join(__dirname, "src")
    ]
  },
  resolveLoader: {
    root: path.join(__dirname, 'node_modules')
  },

  cache: !argv.p,
  debug: !argv.p,
  //devtool: !argv.p ? "#cheap-module-eval-source-map" : false,
  devtool: !argv.p ? "#source-map" : false,
  stats: {
    colors: true
  },
  stylus: {
    use: [nib()]
  },

  plugins: (function () {
    const plugins = [];

    plugins.push(new webpack.optimize.OccurenceOrderPlugin());

    if (argv.p) {
      plugins.push(new webpack.optimize.DedupePlugin());
      plugins.push(new webpack.optimize.UglifyJsPlugin({
        compress: {
          warnings: false
        }
      }));
      plugins.push(new webpack.optimize.AggressiveMergingPlugin());
    } else {
      plugins.push(new webpack.HotModuleReplacementPlugin());
      plugins.push(new webpack.NoErrorsPlugin());
    }

    return plugins;
  })()
};