Qlik Sense Mashup bind Enigma before openApp() is called

mashupEnigma.js

//
// Bind Enigma before openApp() is called
//
var prefix = window.location.pathname.substr(0, window.location.pathname.toLowerCase().lastIndexOf("/extensions") + 1);
var config = {
    host: window.location.hostname,
    prefix: prefix,
    port: window.location.port,
    isSecure: window.location.protocol === "https:"
};
require.config({
    baseUrl: (config.isSecure ? "https://" : "http://") + config.host + (config.port ? ":" + config.port : "") + config.prefix + "resources"
});

require(["js/qlik", "jquery"], function (qlik, $) {
    qlik.setOnError(function (error) {
        alert(error.message);
    });

    var global = qlik.getGlobal();
    var scope = $('body').scope();
    scope.enigma = null;

    var unbind = scope.$watch(function() { return global.session.__enigmaApp }, function (newValue, oldValue) {
        if (newValue) {
            scope.enigma = newValue;
            console.log("bound Enigma", scope.enigma);
            unbind();
            // call rest of script
        }
    });