webpack.config.js

const path = require("path")
const webpack = require('webpack');
const isProduction = process.env.NODE_ENV === 'production'

const config = {
  context: __dirname,
  entry: "./frontend/noted.jsx",
  output: {
    path: path.resolve(__dirname, "app", "assets", "javascripts"),
    filename: "bundle.js"
  },

  plugins: [],

  module: {
    rules: [
      {
        test: [/\.jsx?$/, /\.js?$/],
        exclude: /node_modules/,
        loader: "babel-loader",
        query: {
          presets: ["es2015", "react"],
          plugins: ["transform-object-rest-spread"]
        }
      }
    ]
  },
  devtool: "source-maps",
  resolve: {
    extensions: [".js", ".jsx", "*"]
  }
}

if (isProduction) {
  config.plugins.push(new webpack.DefinePlugin({
    'process.env': {
      'NODE_ENV': JSON.stringify('production')
    }
  }));
  config.plugins.push(new webpack.optimize.UglifyJsPlugin({
    compress: {
      warnings: true
    }
  }));
}


module.exports = config;