Debug path where route was created

htmx_route.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"runtime"
 	"runtime/debug"
 	"sort"
 	"strings"
@@ -316,6 +317,16 @@ func addLanguageToPath(path string, language Language) string {
 	return "/" + string(language) + path
 }
 
+// getCallerLocation returns the file location of the function that called NewCommonHtmxRoute
+func getCallerLocation() string {
+	// Skip 2 frames: getCallerLocation itself and NewCommonHtmxRoute
+	_, file, line, ok := runtime.Caller(3)
+	if !ok {
+		return "unknown location"
+	}
+	return fmt.Sprintf("%s:%d", file, line)
+}
+
 type CommonHtmxRoute struct {
 	Paths           LanguagePaths
 	RouteFunc       HtmxRouteFunc
@@ -323,6 +334,7 @@ type CommonHtmxRoute struct {
 	ActivePath      *ActivePath
 	Method          string
 	HtmxMethod      HtmxHttpMethodFunction
+	createdLocation string
 }
 
 func (h CommonHtmxRoute) GetPaths() LanguagePaths {
@@ -355,12 +367,14 @@ func (h CommonHtmxRoute) RedirectToThisRoute(c HtmxContext, params LocationRedir
 
 func NewCommonHtmxRoute(routeFunc HtmxRouteFunc, paths LanguagePaths, method string,
 	htmxMethod HtmxHttpMethodFunction) *CommonHtmxRoute {
-	route := &CommonHtmxRoute{RouteFunc: routeFunc, Paths: paths, Method: method, HtmxMethod: htmxMethod}
+	route := &CommonHtmxRoute{RouteFunc: routeFunc, Paths: paths, Method: method, HtmxMethod: htmxMethod,
+		createdLocation: getCallerLocation()}
 	GlobalHtmxRoutesInstance.Add(route)
 	return route
 }
 
 func (h CommonHtmxRoute) Execute(c HtmxContext) {
+	h.traceLocation()
 	h.RouteFunc(c)
 }
 
@@ -369,9 +383,12 @@ func (h CommonHtmxRoute) SetActivePath(activePath *ActivePath) HtmxRoute {
 	return h
 }
 
+var HtmxRouteDebugTrace bool = false
+
 func (h CommonHtmxRoute) AddWithMethod(method string, server HtmxServer) {
 	for language, path := range h.Paths {
 		server.GetHttpServer().HandleFunc(method+" "+addLanguageToPath(path, language), func(res http.ResponseWriter, req *http.Request) {
+			h.traceLocation()
 			context := NewHtmxContext(req, res, language)
 			context.SetPathTemplate(addLanguageToPath(path, language))
 			context.SetAllRoutes(server.GetAllRoutes())
@@ -383,6 +400,12 @@ func (h CommonHtmxRoute) AddWithMethod(method string, server HtmxServer) {
 	}
 }
 
+func (h CommonHtmxRoute) traceLocation() {
+	if HtmxRouteDebugTrace {
+		Debug(h.createdLocation)
+	}
+}
+
 func (h CommonHtmxRoute) Add(server HtmxServer) {
 	server.Add(h)
 	h.AddWithMethod(h.Method, server)