https://homezero.ai/js/hz-consent-loader.js

1/* HomeZero consent-gated analytics loader.
2   Loads GTM only after "statistics" consent and Intercom after "marketing" consent.
3   Source of truth: localStorage key hz_cookie_consent_v1 (mirrored to cookies). */
4(function () {
5  var GTM_ID = "GTM-KPZMWKJV";
6  var INTERCOM_APP_ID = "i7l3yn71";
7  var loaded = { gtm: false, intercom: false };
8
9  function readPrefs() {
10    try {
11      var raw = localStorage.getItem("cookieConsent");
12      if (raw) {
13        var p = JSON.parse(raw);
14        return { statistics: !!p.analytics, marketing: !!p.marketing };
15      }
16      var legacy = localStorage.getItem("hz_cookie_consent_v1");
17      if (legacy) {
18        var lp = JSON.parse(legacy);
19        return { statistics: !!lp.statistics, marketing: !!lp.marketing };
20      }
21    } catch (e) { /* noop */ }
22    var c = document.cookie || "";
23    if (/(?:^|;\s*)cookies_noodzakelijke=true/.test(c)) {
24      return {
25        statistics: /(?:^|;\s*)cookies_statistieken=true/.test(c),
26        marketing: /(?:^|;\s*)cookies_marketing=true/.test(c)
27      };
28    }
29    return null;
30  }
31
32  function loadGTM() {
33    if (loaded.gtm) return;
34    loaded.gtm = true;
35    window.dataLayer = window.dataLayer || [];
36    window.dataLayer.push({ "gtm.start": new Date().getTime(), event: "gtm.js" });
37    var s = document.createElement("script");
38    s.async = true;
39    s.src = "https://www.googletagmanager.com/gtm.js?id=" + GTM_ID;
40    document.head.appendChild(s);
41  }
42
43  function loadIntercom() {
44    if (loaded.intercom) return;
45    loaded.intercom = true;
46    window.intercomSettings = { api_base: "https://api-iam.intercom.io", app_id: INTERCOM_APP_ID };
47    var w = window;
48    var ic = w.Intercom;
49    if (typeof ic === "function") {
50      ic("reattach_activator");
51      ic("update", w.intercomSettings);
52    } else {
53      var d = document;
54      var i = function () { i.c(arguments); };
55      i.q = []; i.c = function (args) { i.q.push(args); };
56      w.Intercom = i;
57      var s = d.createElement("script");
58      s.type = "text/javascript"; s.async = true;
59      s.src = "https://widget.intercom.io/widget/" + INTERCOM_APP_ID;
60      var x = d.getElementsByTagName("script")[0];
61      x.parentNode.insertBefore(s, x);
62    }
63  }
64
65  function apply(prefs) {
66    if (!prefs) return;
67    if (prefs.statistics) loadGTM();
68    if (prefs.marketing) loadIntercom();
69  }
70
71  apply(readPrefs());
72  window.addEventListener("hz:consent", function (e) {
73    apply((e && e.detail) || readPrefs());
74  });
75  // Also re-check when storage changes in another tab.
76  window.addEventListener("storage", function (e) {
77    if (e.key === "cookieConsent" || e.key === "hz_cookie_consent_v1") apply(readPrefs());
78  });
79})();