handle exception when trying to access cookies

peachjam/js/peachjam.ts

@@ -182,7 +182,13 @@ class PeachJam {
     // if window.dataLayer is not set, then Google Analytics is not enabled, but there may be cookies still set; clear them
     // @ts-ignore
     if (!window.dataLayer) {
-      const cookies = document.cookie.split(';');
+      let cookies = [];
+      try {
+        cookies = document.cookie.split(';');
+      } catch {
+        // ignore security errors when reading cookies
+        return;
+      }
       for (let i = 0; i < cookies.length; i++) {
         const cookie = cookies[i];
         const eqPos = cookie.indexOf('=');