Initial release of KGV Cookie plugin v1.0.0

assets/js/kgv-cookie.js

@@ -0,0 +1,102 @@
+(function () {
+  'use strict';
+
+  var config = window.kgvCookieConfig || {};
+  var cookieName = config.cookieName || 'kgv_cookie_consent';
+
+  function setCookie(name, value, days) {
+    var expires = '';
+    if (days) {
+      var date = new Date();
+      date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
+      expires = '; expires=' + date.toUTCString();
+    }
+    document.cookie = name + '=' + encodeURIComponent(value) + expires + '; path=/; SameSite=Lax';
+  }
+
+  function getCookie(name) {
+    var nameEQ = name + '=';
+    var ca = document.cookie.split(';');
+    for (var i = 0; i < ca.length; i++) {
+      var c = ca[i];
+      while (c.charAt(0) === ' ') {
+        c = c.substring(1, c.length);
+      }
+      if (c.indexOf(nameEQ) === 0) {
+        return decodeURIComponent(c.substring(nameEQ.length, c.length));
+      }
+    }
+    return '';
+  }
+
+  function publishConsent(value) {
+    window.KGVCookieConsent = value;
+    window.dispatchEvent(new CustomEvent('kgvCookieConsentChanged', { detail: { value: value } }));
+  }
+
+  function hasConsent(type) {
+    var current = getCookie(cookieName);
+    if (!current) {
+      return false;
+    }
+    if (current === 'all') {
+      return true;
+    }
+    return type === 'essential' && current === 'essential';
+  }
+
+  function init() {
+    var banner = document.getElementById('kgv-cookie-banner');
+    if (!banner) {
+      return;
+    }
+
+    window.KGVCookie = {
+      getConsent: function () {
+        return getCookie(cookieName);
+      },
+      hasConsent: hasConsent,
+      reopen: function () {
+        banner.hidden = false;
+        banner.classList.add('is-visible');
+      }
+    };
+
+    var current = getCookie(cookieName);
+    if (!current) {
+      banner.hidden = false;
+      banner.classList.add('is-visible');
+    } else {
+      publishConsent(current);
+    }
+
+    document.addEventListener('click', function (event) {
+      var trigger = event.target.closest('[data-kgv-cookie]');
+      if (!trigger) {
+        return;
+      }
+
+      var action = trigger.getAttribute('data-kgv-cookie');
+      if (action === 'accept-all') {
+        setCookie(cookieName, 'all', 365);
+        publishConsent('all');
+        banner.classList.remove('is-visible');
+        banner.hidden = true;
+      }
+
+      if (action === 'essential-only') {
+        setCookie(cookieName, 'essential', 365);
+        publishConsent('essential');
+        banner.classList.remove('is-visible');
+        banner.hidden = true;
+      }
+
+      if (action === 'reopen') {
+        banner.hidden = false;
+        banner.classList.add('is-visible');
+      }
+    });
+  }
+
+  document.addEventListener('DOMContentLoaded', init);
+})();