frontend/marko-config.js

const isProduction = process.env.NODE_ENV === "production"

module.exports = {
  plugins: [
    "lasso-marko",
    "lasso-less",
  ],
  outputDir: "./.static", // Place all generated JS/CSS/etc. files into the "static" dir
  bundlingEnabled: isProduction, // Only enable bundling in production
  minify: isProduction, // Only minify JS and CSS code in production
  fingerprintsEnabled: isProduction, // Only add fingerprints to URLs in production
  loadPrebuild: isProduction, // Only load prebuilt stuff in prod.

  require: {
    builtins: {
      fs: require.resolve("empty-module"),
    },

    transforms: isProduction ? [
      {
        transform: "lasso-babel-transform",
        config: {
          extensions: [".js", ".es6"], // Enabled file extensions. Default: [".js", ".es6"]
          babelOptions: {
            presets: [ "es2015" ]
          }
        }
      }
    ] : null
  }
}