From c75a2327d5890134c48924805096f2aff7b8bb78 Mon Sep 17 00:00:00 2001
From: Joel Wetzell <git@jwetzell.com>
Date: Mon, 2 Feb 2026 12:51:56 -0600
Subject: [PATCH] add check to prevent empty module Id

---
 router.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/router.go b/router.go
index 4dbd5ea..7b72541 100644
--- a/router.go
+++ b/router.go
@@ -34,6 +34,18 @@ func NewRouter(config config.Config) (*Router, []module.ModuleError, []route.Rou
 
 	for moduleIndex, moduleDecl := range config.Modules {
 
+		if moduleDecl.Id == "" {
+			if moduleErrors == nil {
+				moduleErrors = []module.ModuleError{}
+			}
+			moduleErrors = append(moduleErrors, module.ModuleError{
+				Index:  moduleIndex,
+				Config: moduleDecl,
+				Error:  errors.New("module id cannot be empty"),
+			})
+			continue
+		}
+
 		moduleInfo, ok := module.ModuleRegistry[moduleDecl.Type]
 		if !ok {
 			if moduleErrors == nil {