Test bfcache fix

mozilla · May 28, 2024 · 14a84e0 · 14a84e0
1 parent fe5790d
commit 14a84e0
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/media/js/base/consent/init.es6.js b/media/js/base/consent/init.es6.js
@@ -52,6 +52,19 @@ function updateBodyPadding() {
 
 const onResize = debounce(updateBodyPadding, 200);
 
+/**
+ * If user clicks back button from /cookie-settings/ and
+ * the page is in bfcache, reload the page if they have
+ * set a consent cookie to avoid showing the banner again
+ * inadvertently.
+ * @param {Object} e - The page navigation event.
+ */
+function handleBfCacheNavigation(e) {
+    if (e.persisted && hasConsentCookie()) {
+        window.location.reload();
+    }
+}
+
 /**
  * Opens the consent banner and binds button click event listeners.
  */
@@ -63,6 +76,7 @@ function openBanner() {
     document
         .getElementById('moz-consent-banner-button-reject')
         .addEventListener('click', MozConsentBanner.onRejectClick, false);
+    window.addEventListener('pageshow', handleBfCacheNavigation, false);
 
     // Show banner
     document.getElementById('moz-consent-banner').classList.add('is-visible');
@@ -82,6 +96,7 @@ function closeBanner() {
     document
         .getElementById('moz-consent-banner-button-reject')
         .removeEventListener('click', MozConsentBanner.onRejectClick, false);
+    window.removeEventListener('pageshow', handleBfCacheNavigation, false);
 
     // Hide banner
     document