.
*
* What it does:
* 1. When a visitor lands with ad parameters (utm_*, click IDs, campaign/adset/ad IDs), it remembers them
* for this visit (sessionStorage, this tab only).
* 2. It adds them to links that open the quiz (*.web.app/quiz…) or a Typeform (parasym.typeform.com),
* e.g. the "Start assessment" button #short-quiz-button, so the quiz can send them back to the store.
* What it never does:
* - never changes the address bar or any store link, never sets or reads cookies, never redirects
* - never changes a parameter a link already has; if the link already has any utm_*, none of ours are added
* - if the visitor came without ad parameters, it changes nothing at all
* - it remembers parameters across pages only with statistics/marketing consent (Shopify Customer Privacy API or
* Cookiebot); without consent it only decorates links on the page the visitor landed on
*/
(function () {
'use strict';
var KEY = 'ps_land_v1';
var PASS = /^(utm_(source|medium|campaign|content|term|id)|campaign_id|adset_id|ad_id|fbclid|gclid|gbraid|wbraid|msclkid|ttclid|tblci)$/;
function isQuizLink(u) {
return (/\.web\.app$/i.test(u.hostname) && /^\/quiz/i.test(u.pathname)) || /^parasym\.typeform\.com$/i.test(u.hostname);
}
// EU/UK: we only keep parameters across pages (sessionStorage) when the visitor allowed statistics or marketing
// (Shopify Customer Privacy API or Cookiebot). Without consent, only links on the current page are decorated.
function storageAllowed() {
try {
var cp = window.Shopify && window.Shopify.customerPrivacy;
if (cp && typeof cp.analyticsProcessingAllowed === 'function') {
return !!(cp.analyticsProcessingAllowed() || (cp.marketingAllowed && cp.marketingAllowed()));
}
if (window.Cookiebot && window.Cookiebot.consent) {
return !!(window.Cookiebot.consent.statistics || window.Cookiebot.consent.marketing);
}
} catch (e) {}
return false;
}
var pending = null;
function persist() {
if (!pending || !storageAllowed()) return;
try { sessionStorage.setItem(KEY, JSON.stringify(pending)); pending = null; } catch (e) {}
}
['CookiebotOnAccept', 'CookiebotOnConsentReady', 'visitorConsentCollected'].forEach(function (t) {
window.addEventListener(t, persist); document.addEventListener(t, persist);
});
window.addEventListener('pagehide', persist);
var params = null;
try {
var fresh = {};
new URLSearchParams(location.search).forEach(function (v, k) {
if (PASS.test(k) && v) fresh[k] = v.slice(0, 500);
});
// our own quiz return (quiz=…) is not a new source; keep what we stored on arrival
if (Object.keys(fresh).length && !new URLSearchParams(location.search).has('quiz')) {
params = fresh;
pending = fresh;
persist();
} else {
try { params = JSON.parse(sessionStorage.getItem(KEY) || 'null'); } catch (e) {}
}
} catch (e) { return; }
if (!params) return;
function decorate(a) {
try {
if (!a || !a.href || a.getAttribute('data-ps-pass') === '1') return;
var u = new URL(a.href, location.href);
if (!/^https?:$/.test(u.protocol) || !isQuizLink(u)) return;
var linkHasUtm = false;
u.searchParams.forEach(function (v, k) { if (/^utm_/.test(k)) linkHasUtm = true; });
var changed = false;
Object.keys(params).forEach(function (k) {
if (linkHasUtm && /^utm_/.test(k)) return;
if (!u.searchParams.has(k)) { u.searchParams.set(k, params[k]); changed = true; }
});
if (changed) a.href = u.toString();
a.setAttribute('data-ps-pass', '1');
} catch (e) {}
}
function decorateAll() {
var links = document.querySelectorAll('a[href]');
for (var i = 0; i < links.length; i++) decorate(links[i]);
}
function onEvent(ev) {
var el = ev.target;
while (el && el !== document && el.tagName !== 'A') el = el.parentNode;
if (el && el.tagName === 'A') decorate(el);
}
['pointerdown', 'mousedown', 'touchstart', 'click', 'auxclick', 'keydown'].forEach(function (t) {
document.addEventListener(t, onEvent, true);
});
if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', decorateAll);
else decorateAll();
window.addEventListener('load', decorateAll);
})();
