systemjs-example/systemjs.release.js

var Builder = require("systemjs-builder");
 
// set it up with your base URL and the path to your config file.
var builder = new Builder("./build", "build/systemjs.config.js");
 
// run the bundler
builder.bundle("app.js", "release/app.bundle.js", {
    minify: true,
    uglify: {
        compress: {}
    },
    mangle: true,
    normalize: true
});