webpack.config.js

/* global __dirname, require, module*/

const webpack = require('webpack');
const path = require('path');
const UglifyJsPlugin = webpack.optimize.UglifyJsPlugin;
const env = require('yargs').argv.env;

let libraryName = 'FJS';
let plugins = [], outputFile;

if (env === 'build') {
    plugins.push(new UglifyJsPlugin({ minimize: true }));
    outputFile = libraryName + '.min.js';
  } else {
    outputFile = libraryName + '.js';
  }

const config = {
  entry: __dirname + '/src/index.js',
  //devtool: 'source-map',
  output: {
    path: __dirname + '/umd/',
    filename: outputFile,
    library: libraryName,
    libraryTarget: 'umd',
    umdNamedDefine: true
  },
  module: {
    rules: [
      {
        test: /(\.jsx|\.js)$/,
        loader: 'babel-loader',
        exclude: /(node_modules|bower_components)/
      }
    ]
  },
  resolve: {
    modules: [path.resolve('./node_modules'), path.resolve('./src')],
    extensions: ['.json', '.js']
  },
  plugins: plugins
};

module.exports = config;