webpack.config.js

/* global __dirname, require, module */

const webpack = require('webpack');
const UglifyJsPlugin = webpack.optimize.UglifyJsPlugin;
const path = require('path');
const env = require('yargs').argv.env; // use --env with webpack 2

const libraryName = 'fx';
const fileName = 'glfx-es6';

let plugins = [], outputFile;

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

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