fix refresh issue

src/lib/supertokens/client.ts

@@ -4,6 +4,31 @@ import Passwordless from "supertokens-web-js/recipe/passwordless";
 import { appInfo } from "./config";
 import { logger } from "./";
 
+let refreshAttemptCount = 0;
+
+export const resetRefreshFlag = () => {
+  refreshAttemptCount = 0;
+};
+
+const setupFetchInterceptor = () => {
+  if (typeof window === 'undefined') return;
+
+  const originalFetch = window.fetch;
+  window.fetch = async (resource: RequestInfo | URL, options?: RequestInit) => {
+    const url = typeof resource === 'string' ? resource :
+                resource instanceof URL ? resource.toString() : resource.url;
+
+    if (url.includes('/api/auth/session/refresh')) {
+      refreshAttemptCount++;
+      if (refreshAttemptCount > 1) {
+        throw new Error('Duplicate refresh attempt blocked');
+      }
+    }
+
+    return originalFetch.call(window, resource, options);
+  };
+};
+
 export const frontendConfig = () => {
   return {
     appInfo,
@@ -12,7 +37,6 @@ export const frontendConfig = () => {
       Session.init({
         tokenTransferMethod: "cookie",
         sessionTokenBackendDomain: undefined,
-
         preAPIHook: async (context) => {
           context.requestInit.credentials = "include";
           return context;
@@ -23,16 +47,14 @@ export const frontendConfig = () => {
 };
 
 let initialized = false;
+
 export function ensureSuperTokensFrontend() {
   if (typeof window === "undefined") return;
 
   if (!initialized) {
+    setupFetchInterceptor();
     SuperTokens.init(frontendConfig());
     initialized = true;
-    logger.info("Initialized");
-
-    Session.doesSessionExist().then((exists) => {
-      logger.info(`Session does${exists ? "" : "NOT"} exist on load!`);
-    });
+    logger.info("SuperTokens initialized");
   }
 }