webpack.config.js

//-------------------------------------------------------------------------------
// Copyright IBM Corp. 2016
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//-------------------------------------------------------------------------------

const path = require('path');
const webpack = require('webpack');

module.exports = {
  entry: [
    `${__dirname}/index`
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  module: {
    loaders: [
      { test: /\.json$/, loader: 'json-loader' },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
        query: {
          presets: ['es2015']
        }
      }
    ]
  },
  target: 'node',
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        // Useful to reduce the size of libraries
        NODE_ENV: JSON.stringify('production'),
      }
    }),
    // optimizations
    new webpack.optimize.DedupePlugin(),
    new webpack.optimize.OccurenceOrderPlugin(),
    new webpack.optimize.UglifyJsPlugin({
      compress: {
        warnings: false
      }
    })
  ]
};