webpack.config.js

const path = require('path')
const fs = require('fs')

const APPLICATION_ENTRIES = {}
const SCRIPT_LOADERS = ['babel-loader?retainLines=true']
const APPLICATIONS_PATH = path.join(__dirname, 'src', 'applications')

for (const moduleName of fs.readdirSync(APPLICATIONS_PATH))
  APPLICATION_ENTRIES[moduleName] = [path.join(APPLICATIONS_PATH, moduleName)]

module.exports = {
  context: __dirname,
  devtool: 'sourcemap',
  entry: APPLICATION_ENTRIES,

  output: {
    path: path.resolve('dist'),
    filename: 'index.js',
  },

  resolve: {
    alias: {},
    extensions: ['.js', '.jsx'],
    modules: [path.resolve('node_modules'), path.resolve('src')],
  },

  module: {
    loaders: [
      {
        use: SCRIPT_LOADERS,
        test: /\.jsx?$/,

        exclude: [path.resolve('node_modules')],
      },

      {
        test: /\.html$/,
        use: [
          'file-loader?name=[name].[ext]',
          'extract-loader',
          'html-loader',
        ],
      },

      {loader: 'url-loader', test: /\.png$/},
      {loader: 'file-loader', test: /\.(ttf|eot|svg)$/},
    ],
  },

  watchOptions: {
    ignored: /node_modules/,
  },

  devServer: {
    port: 3030,
    contentBase: path.resolve('src'),

    stats: 'errors-only',

    overlay: {
      warnings: true,
      errors: true,
    },
  },

  plugins: [],
}