enforce get on index

main.go

@@ -145,7 +145,7 @@ func (s *server) HandleClear() http.HandlerFunc {
 
 func (s *server) routes() {
 	s.router.Handle("/public/", http.FileServer(http.FS(publicFS)))
-	s.router.HandleFunc("/", s.HandleList())
+	s.router.HandleFunc("/", WithMethod("GET", s.HandleList()))
 	s.router.HandleFunc("/todo", WithForm(WithMethod("POST", s.HandleCreate())))
 	s.router.HandleFunc("/toggle", WithForm(WithMethod("POST", s.HandleToggle())))
 	s.router.HandleFunc("/destroy", WithForm(WithMethod("POST", s.HandleDestroy())))

middleware.go

@@ -6,6 +6,7 @@ func WithMethod(method string, next http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != method {
 			w.WriteHeader(http.StatusMethodNotAllowed)
+			w.Write([]byte("Method Not Allowed"))
 			return
 		}
 		next.ServeHTTP(w, r)