webpack.config.js

const path = require("path");

module.exports = {
  entry: "./src/index.js",
  output: {
    path: path.resolve("dist"),
    filename: "ARjs-core.js",
    library: "ARjs-core",
    libraryTarget: "umd",
    // @see: https://github.com/webpack/webpack/issues/3929
    libraryExport: "default",
    // @see: https://github.com/webpack/webpack/issues/6522
    globalObject: "typeof self !== 'undefined' ? self : this",
  },
  module: {
    rules: [
      {
        test: /\.js?$/,
        exclude: /node_modules/,
        use: [
          {
            loader: "babel-loader",
            options: {
              presets: ["@babel/preset-env"],
              plugins: [
                // @see https://github.com/babel/babel/issues/9849
                ["@babel/transform-runtime"],
              ],
            },
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: [".js"],
    // @see https://stackoverflow.com/questions/59487224/webpack-throws-error-with-emscripten-cant-resolve-fs
    fallback: {
      fs: false,
      path: false,
      crypto: false,
    },
  },
};