webpack.config.js

const path = require("path");
const webpack = require("webpack");
const PrettierPlugin = require("prettier-webpack-plugin");
const getPackageJson = require("./scripts/getPackageJson");

const { version, name, license, repository, author } = getPackageJson(
  "version",
  "name",
  "license",
  "repository",
  "author"
);

const banner = `
  ${name} v${version}
  ${repository.url}

  Copyright (c) ${author.replace(/ *\<[^)]*\> */g, " ")}

  This source code is licensed under the ${license} license found in the
  LICENSE file in the root directory of this source tree.
`;

module.exports = {
  mode: "production",
  entry: "./src/index.js",
  output: {
    filename: "index.js",
    path: path.resolve(__dirname, "build"),
    library: "StyleSerializer",
    libraryTarget: "umd"
  },
  module: {
    rules: [
      {
        test: /\.m?js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: "babel-loader"
        }
      },
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"]
      },
      {
        test: /\.(png|jpe?g|gif|svg|eot|ttf|woff|woff2)$/,
        use: ["url-loader"]
      }
    ]
  },
  plugins: [new PrettierPlugin(), new webpack.BannerPlugin(banner)]
};