fix(check): support functions declared in package

check.go

@@ -89,7 +89,11 @@ func CheckTemplates(wd string, log *log.Logger, config RoutesFileConfiguration)
 			dataVarPkg = receiver.Obj().Pkg()
 			methodObj, _, _ := types.LookupFieldOrMethod(receiver, true, dataVarPkg, name)
 			if methodObj == nil {
-				return fmt.Errorf("failed to generate method %s", t.fun.Name)
+				o, ok := packageScopeFunc(receiver.Obj().Pkg(), t.fun)
+				if !ok {
+					return fmt.Errorf("failed to generate method %s", t.fun.Name)
+				}
+				methodObj = o
 			}
 			sig := methodObj.Type().(*types.Signature)
 			if sig.Results().Len() == 0 {

cmd/muxt/testdata/generate/function_in_package_simple.txtar

@@ -1,10 +1,9 @@
 muxt generate
 
-cat template_routes.go
-stdout '// muxt version: \(devel\)'
-
 exec go test -cover
 
+muxt check --receiver-type=Server
+
 -- template.gohtml --
 {{define "GET / Function(ctx)" }}{{.}}{{end}}
 
@@ -27,6 +26,9 @@ var formHTML embed.FS
 var templates = template.Must(template.ParseFS(formHTML, "*"))
 
 func Function(ctx context.Context) int { return 32 }
+
+type Server struct{}
+
 -- template_test.go --
 package server