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

let libraryName = 'library';

let plugins = [], outputFile;

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

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

module.exports = config;