Files

155 lines
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JavaScript

/* =========================================================================
cookie-consent.js — GDPR-style consent manager.
Non-essential scripts must be added to the page as:
<script type="text/plain" data-cookiecategory="analytics"> ... </script>
They stay inert until the visitor grants that category, at which point this
module reactivates them. Consent is stored in localStorage.
========================================================================= */
(function () {
"use strict";
var STORAGE_KEY = "cookieConsent";
var CATEGORIES = ["necessary", "analytics", "marketing"];
function readConsent() {
try {
return JSON.parse(localStorage.getItem(STORAGE_KEY) || "null");
} catch (e) {
return null;
}
}
function writeConsent(consent) {
consent.necessary = true; // always on
consent.ts = Date.now();
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(consent));
} catch (e) {
/* ignore */
}
activateScripts(consent);
}
function activateScripts(consent) {
var nodes = document.querySelectorAll(
'script[type="text/plain"][data-cookiecategory]'
);
Array.prototype.forEach.call(nodes, function (node) {
if (node.getAttribute("data-cookie-activated") === "1") return;
var cat = node.getAttribute("data-cookiecategory");
if (!consent[cat]) return;
var s = document.createElement("script");
for (var i = 0; i < node.attributes.length; i++) {
var attr = node.attributes[i];
if (attr.name === "type" || attr.name === "data-cookiecategory") continue;
s.setAttribute(attr.name, attr.value);
}
s.type = "text/javascript";
if (!node.src) {
s.text = node.textContent;
}
node.parentNode.insertBefore(s, node.nextSibling);
node.setAttribute("data-cookie-activated", "1");
});
}
function banner() {
return document.getElementById("cookie-consent");
}
function showBanner() {
var b = banner();
if (b) b.hidden = false;
}
function hideBanner() {
var b = banner();
if (b) b.hidden = true;
}
function acceptAll() {
var consent = { necessary: true };
CATEGORIES.forEach(function (c) {
consent[c] = true;
});
writeConsent(consent);
hideBanner();
}
function rejectNonEssential() {
var consent = { necessary: true, analytics: false, marketing: false };
writeConsent(consent);
hideBanner();
}
function savePreferences() {
var b = banner();
var consent = { necessary: true };
CATEGORIES.forEach(function (c) {
if (c === "necessary") return;
var box = b
? b.querySelector('[data-cc-category="' + c + '"]')
: null;
consent[c] = !!(box && box.checked);
});
writeConsent(consent);
hideBanner();
}
function toggleManage() {
var b = banner();
if (!b) return;
var panel = b.querySelector("[data-cc-panel]");
if (panel) panel.hidden = !panel.hidden;
}
function init() {
var b = banner();
var existing = readConsent();
if (existing) {
activateScripts(existing);
if (b) b.hidden = true;
} else if (b) {
b.hidden = false;
}
if (!b) return;
var accept = b.querySelector("[data-cc-accept-all]");
if (accept) accept.addEventListener("click", acceptAll);
var reject = b.querySelector("[data-cc-reject]");
if (reject) reject.addEventListener("click", rejectNonEssential);
var save = b.querySelector("[data-cc-save]");
if (save) save.addEventListener("click", savePreferences);
var manage = b.querySelector("[data-cc-manage]");
if (manage) manage.addEventListener("click", toggleManage);
}
// Public: reopen the consent banner (used by footer / cookie-policy links).
window.openCookieSettings = function () {
var existing = readConsent();
var b = banner();
if (b && existing) {
CATEGORIES.forEach(function (c) {
if (c === "necessary") return;
var box = b.querySelector('[data-cc-category="' + c + '"]');
if (box) box.checked = !!existing[c];
});
var panel = b.querySelector("[data-cc-panel]");
if (panel) panel.hidden = false;
}
showBanner();
};
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", init);
} else {
init();
}
})();