Chore/tavanogui

vtex/loaders/cart.ts

@@ -32,22 +32,22 @@ const logMismatchedCart = (cart: OrderForm, req: Request, ctx: AppContext) => {
   const userFromCookie = cookies[`VtexIdclientAutCookie_${ctx.account}`];
 
   if (!userFromCookie) {
-    return;
+    return { shouldClearCartCookie: false };
   }
 
   const [jwtPayload, error] = safeParseJwt(userFromCookie);
 
   if (error) {
     console.error("Error parsing JWT", error);
-    return;
+    return { shouldClearCartCookie: false };
   }
 
   const emailFromCookie = jwtPayload?.sub;
   const userIdFromCookie = jwtPayload?.userId;
 
   if (
-    typeof emailFromCookie === "string" &&
-    typeof email === "string" &&
+    emailFromCookie &&
+    email &&
     emailFromCookie !== email
   ) {
     const headersDenyList = new Set(["cookie", "cache-control"]);
@@ -66,7 +66,11 @@ const logMismatchedCart = (cart: OrderForm, req: Request, ctx: AppContext) => {
         ),
       ),
     });
+
+    return { shouldClearCartCookie: true };
   }
+
+  return { shouldClearCartCookie: false };
 };
 
 export const cache = "no-store";
@@ -103,9 +107,11 @@ const loader = async (
   const cart = await response.json() as OrderForm;
 
   // Temporary logging to check for cart mismatch
-  logMismatchedCart(cart, req, ctx);
+  const { shouldClearCartCookie } = logMismatchedCart(cart, req, ctx);
 
-  proxySetCookie(response.headers, ctx.response.headers, req.url);
+  proxySetCookie(response.headers, ctx.response.headers, req.url, {
+    shouldClearCartCookie,
+  });
 
   if (!segment?.payload) {
     return forceHttpsOnAssets(cart);

vtex/loaders/proxy.ts

@@ -77,6 +77,12 @@ const buildProxyRoutes = (
         includeScriptsToBody,
         removeDirtyCookies: true,
         pathsThatRequireSameReferer: VTEX_PATHS_THAT_REQUIRES_SAME_REFERER,
+        customHeaders: pathTemplate.includes("/checkout") ? [
+          {
+            key: "Vary",
+            value: "Cookie, Accept-Encoding",
+          },
+        ] : [],
       };
 
       return ({

vtex/utils/cookies.ts

@@ -9,6 +9,9 @@ export const proxySetCookie = (
   from: Headers,
   to: Headers,
   toDomain?: URL | string,
+  options?: {
+    shouldClearCartCookie?: boolean;
+  },
 ) => {
   const newDomain = toDomain && new URL(toDomain);
 
@@ -19,8 +22,22 @@ export const proxySetCookie = (
         domain: newDomain.hostname,
       }
       : cookie;
-
-    setCookie(to, newCookie);
+
+    if(cookie.name === "checkout.vtex.com" && options?.shouldClearCartCookie) {
+
+      setCookie(to, {
+        name: "checkout.vtex.com",
+        value: "",
+        expires: new Date(0),
+        maxAge: 0,
+        path: "/",
+        secure: true,
+        httpOnly: true,
+        domain: newDomain ? newDomain?.hostname : "",
+      });
+    } else {
+      setCookie(to, newCookie);
+    }
   }
 };