webpack.config.js

const webpack = require('webpack');
const UglifyJsPlugin = webpack.optimize.UglifyJsPlugin;
const env = process.env.WEBPACK_ENV;
const path = require('path')
const libraryName = 'perceptron'
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}/dist`,
    filename: outputFile,
    library: libraryName,
    libraryTarget: 'umd',
    umdNamedDefine: true,
  },
  module: {
    loaders: [
      {
        test: /(\.jsx|\.js)$/,
        loader: 'babel-loader',
        exclude: /(node_modules|bower_components)/,
      },
      {
        test: /(\.jsx|\.js)$/,
        loader: "eslint-loader",
        exclude: /node_modules/,
      },
    ]
  },
  resolve: {
    extensions: ['.js'],
  },
  plugins,
}

module.exports = config