webpack.config.js

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

module.exports = {
  entry: [
    'whatwg-fetch',
    './src/index.js'
  ],
  externals: [{
    react: {
      root: 'React',
      commonjs2: 'react',
      commonjs: 'react',
      amd: 'react'
    }
  }],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'webcam-capture.js',
    libraryTarget: 'umd'
  },
  module: {
    rules: [{
      test: /\.js$/,
      exclude: /node_modules/,
      loader: 'babel-loader',
      options: {
        presets: ['es2015', 'react', 'stage-2']
      }
    }]
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify('production')
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      mangle: true,
      compress: {
        warnings: false,
        pure_getters: true,
        unsafe: true,
        unsafe_comps: true,
        screw_ie8: true
      },
      output: {
        comments: false,
      },
      exclude: [/\.min\.js$/gi]
    }),
    new webpack.IgnorePlugin(/^\.\/locale$/, [/moment$/]),
    new webpack.NoEmitOnErrorsPlugin(),
    new webpack.optimize.AggressiveMergingPlugin()
  ]
}