webpack.config.js

/* eslint-disable */

var webpack = require("webpack");
var resolve = require("path").resolve;
var CompressionPlugin = require("compression-webpack-plugin");
// var PrepackWebpackPlugin = require("prepack-webpack-plugin").default;

module.exports = env => {
  env = env || {};
  var addPlugin = (add, plugin) => (add ? plugin : undefined);
  var ifProd = plugin => addPlugin(env.prod, plugin);
  var removeEmpty = array => array.filter(i => !!i);
  return {
    entry: "./index.js",
    output: {
      library: "ReactTablify",
      libraryTarget: "umd"
    },
    context: resolve(__dirname, "src"),
    devtool: env.prod ? "source-map" : "eval",
    bail: env.prod,
    module: {
      loaders: [
        {
          test: /\.js$/,
          loaders: ["babel-loader"],
          exclude: [/node_modules/]
        }
      ]
    },
    plugins: removeEmpty([
      new webpack.optimize.OccurrenceOrderPlugin(),
      ifProd(new webpack.optimize.DedupePlugin()),
      ifProd(
        new webpack.LoaderOptionsPlugin({
          minimize: true,
          debug: false,
          quiet: true
        })
      ),
      new webpack.DefinePlugin({
        "process.env.NODE_ENV": JSON.stringify(
          ifProd("production") || "development"
        )
      }),
      // new PrepackWebpackPlugin({}),
      ifProd(
        new webpack.optimize.UglifyJsPlugin({
          compress: {
            pure_getters: true,
            unsafe: true,
            unsafe_comps: true,
            warnings: false,
            screw_ie8: true
          }
        })
      ),
      ifProd(
        new CompressionPlugin({
          asset: "[path].gz[query]",
          algorithm: "gzip",
          test: /\.js$|\.css$|\.html$/,
          threshold: 10240,
          minRatio: 0.8
        })
      )
    ])
  };
};