webpack.config.js

var webpack = require("webpack"),
  path = require("path"),
  yargs = require("yargs");

var BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

var libraryName = "PrismicReactjs",
  fileName = "prismic-reactjs",
  plugins = [],
  mode = "development",
  outputFile;

if (yargs.argv.p) {
  mode = "production";
  outputFile = fileName + ".min.js";
} else {
  outputFile = fileName + ".js";
}

if (yargs.argv.analyze) {
  plugins.push(new BundleAnalyzerPlugin())
}

var config = {
  mode: mode,
  entry: [__dirname + "/src/index.js"],
  node: { global: false },
  devtool: yargs.argv.p ? 'source-map': false,
  output: {
    path: path.join(__dirname, "/dist"),
    filename: outputFile,
    library: libraryName,
    libraryTarget: "umd",
    umdNamedDefine: true,
    globalObject: "typeof self !== 'undefined' ? self : this"
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        use: {
          loader: "babel-loader"
        }
      },
      {
        test: /\.json$/,
        use: "json-loader"
      }
    ]
  },
  resolve: {
    alias: {
      "@root": path.resolve(__dirname, "./src")
    },
    extensions: [".js"]
  },
  externals: {
    react: "react"
  },
  plugins: plugins
};

module.exports = config;