From 134ceebca15a42a7c6e2f9f317477127275e4318 Mon Sep 17 00:00:00 2001
From: Usman Baig <mubaig@pm.me>
Date: Sat, 17 Jan 2026 14:11:14 +0100
Subject: [PATCH] feat: implement memory caching for session ID with fallback
 to sessionStorage

---
 public/script.js | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/public/script.js b/public/script.js
index 4112e02..aa97032 100644
--- a/public/script.js
+++ b/public/script.js
@@ -20,15 +20,32 @@
   const domain = script.getAttribute('data-domain');
   const apiUrl = script.getAttribute('data-api') || 'https://analytics-api.ciphera.net';
   
+  // * Memory cache for session ID (fallback if sessionStorage is unavailable)
+  let cachedSessionId = null;
+
   // * Generate ephemeral session ID (not persistent)
   function getSessionId() {
-    const key = 'plausible_session_' + domain;
-    let sessionId = sessionStorage.getItem(key);
-    if (!sessionId) {
-      sessionId = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
-      sessionStorage.setItem(key, sessionId);
+    if (cachedSessionId) {
+      return cachedSessionId;
     }
-    return sessionId;
+
+    const key = 'plausible_session_' + domain;
+    
+    try {
+      cachedSessionId = sessionStorage.getItem(key);
+    } catch (e) {
+      // * Access denied or unavailable - ignore
+    }
+
+    if (!cachedSessionId) {
+      cachedSessionId = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
+      try {
+        sessionStorage.setItem(key, cachedSessionId);
+      } catch (e) {
+        // * Storage full or unavailable - ignore, will use memory cache
+      }
+    }
+    return cachedSessionId;
   }
 
   // * Track pageview