webpack.config.js

const path = require('path')
const R = require('ramda')
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin

function configure (filename, opts = {}) {
  return (env, argv) => R.mergeDeepLeft({
    entry: './es/index.js',
    mode: 'development', // automatically overriden by production flag
    devtool: argv.mode === 'production' ? 'source-map' : 'eval-source-map',
    node: {
      fs: 'empty'
    },
    module: {
      rules: [
        {
          test: /\.js$/,
          include: path.resolve(__dirname, 'es'),
          loader: 'babel-loader!standard-loader?error=true'
        },
        {
          test: /\.js$/,
          include: path.resolve(__dirname, 'node_modules/rlp'),
          loader: 'babel-loader',
          options: { presets: ['@babel/preset-env'] }
        }
      ]
    },
    plugins: argv.report ? [
      new BundleAnalyzerPlugin({
        analyzerMode: 'static',
        reportFilename: filename + '.html',
        openAnalyzer: false
      })
    ] : [],
    output: {
      path: path.resolve(__dirname, 'dist'),
      filename,
      library: 'Ae',
      libraryTarget: 'umd'
    },
    externals: Object
      .keys(require('./package').dependencies)
      .reduce((p, dependency) => ({
        ...p,
        [dependency]: {
          commonjs: dependency,
          commonjs2: dependency
        }
      }), {}),
  }, opts)
}

module.exports = [
  configure('aepp-sdk.js', { target: 'node' }),
  configure('aepp-sdk.browser.js')
]