Move multi auth init

pages/api/auth/[...nextauth].js

@@ -116,6 +116,14 @@ function getCallbacks (req, res) {
             }
           }
         }
+
+        // add multi_auth cookie for user that just logged in
+        if (res) {
+          const secret = process.env.NEXTAUTH_SECRET
+          const jwt = await encodeJWT({ token, secret })
+          const me = await prisma.user.findUnique({ where: { id: token.id } })
+          setMultiAuthCookies(new NodeNextRequest(req), new NodeNextResponse(res), { ...me, jwt })
+        }
       }
 
       if (token?.id) {
@@ -125,17 +133,6 @@ function getCallbacks (req, res) {
         token.sub = Number(token.id)
       }
 
-      // this only runs during a signup/login because response is only defined during signup/login
-      // and will add the multi_auth cookies for the user we just logged in as
-      if (req && res) {
-        req = new NodeNextRequest(req)
-        res = new NodeNextResponse(res)
-        const secret = process.env.NEXTAUTH_SECRET
-        const jwt = await encodeJWT({ token, secret })
-        const me = await prisma.user.findUnique({ where: { id: token.id } })
-        setMultiAuthCookies(req, res, { ...me, jwt })
-      }
-
       return token
     },
     async session ({ session, token }) {