https://www.usertesting.com/modules/custom/e3_marketo/js/e3_marketo_munchkin.js?v=1.x

1/**
2 * @file
3 * Injects Marketo munchkin tracking.
4 */
5(function (Drupal, cookies) {
6  'use strict';
7
8  Drupal.behaviors.marketoMunchkin = {
9
10    attach: function (context, settings) {
11
12      /**
13       * Init Munchkin tracking.
14       */
15      const init = function () {
16
17        // Integrate with the GDPR module if it is installed.
18        let cookiesAccepted = true;
19        if (typeof GDPR !== 'undefined') {
20          cookiesAccepted = GDPR.cookiesAccepted();
21        }
22
23        if (cookiesAccepted  && typeof Munchkin !== 'undefined') {
24          let config = getMunchkinID();
25          Munchkin.init(config);
26        }
27        else if (!cookiesAccepted) {
28          cookies.remove('_mkto_trk');
29        }
30      };
31
32      /**
33       * Get Munchkin ID from Marketo Settings.
34       */
35      const getMunchkinID = function () {
36        if (typeof(settings.marketoForms) != 'undefined' &&
37          typeof(settings.marketoForms.munchkinId) != 'undefined' &&
38          settings.marketoForms.munchkinId) {
39
40          return settings.marketoForms.munchkinId;
41        }
42
43        return false;
44      };
45
46      // Delay init if GDPR module is installed.
47      if (typeof GDPR !== 'undefined' && !GDPR.initialisationComplete) {
48        window.addEventListener("gdpr:load", function () {
49          init();
50        });
51      }
52      else {
53        init();
54      }
55    }
56  }
57
58})(Drupal, window.Cookies);