fix: no panic in middleware

Author: sattvikc

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [unreleased]
 
 -   Handle AWS Public URLs (ending with `.amazonaws.com`) separately while extracting TLDs for SameSite attribute.
+-   Return `500` status instead of panic when `supertokens.Middleware` is used without initializing the SDK.
 
 ## [0.14.0] - 2023-09-11
 

supertokens/main.go

@@ -34,7 +34,9 @@ func Init(config TypeInput) error {
 func Middleware(theirHandler http.Handler) http.Handler {
 	instance, err := GetInstanceOrThrowError()
 	if err != nil {
-		panic("Please call supertokens.Init function before using the Middleware")
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		})
 	}
 	return instance.middleware(theirHandler)
 }