Refactor normalization handling and add ApplyPostNormalizeTransform

api.go

@@ -151,6 +151,8 @@ type API struct {
 	// Apply customisation to a specific type by checking the t parameter.
 	// Apply customisations to all types by ignoring the t parameter.
 	ApplyCustomSchemaToType func(t reflect.Type, s *openapi3.Schema)
+
+	ApplyPostNormalizeTransform func(normalized string) string
 }
 
 // Merge route data into the existing configuration.

schema.go

@@ -444,8 +444,18 @@ func (api *API) normalizeTypeName(pkgPath, name string) string {
 			break
 		}
 	}
+
+	var normalized string
+
 	if omitPackage || pkgPath == "" {
-		return normalizer.Replace(name)
+		normalized = normalizer.Replace(name)
+	} else {
+		normalized = normalizer.Replace(pkgPath + "/" + name)
 	}
-	return normalizer.Replace(pkgPath + "/" + name)
+
+	if api.ApplyPostNormalizeTransform != nil {
+		normalized = api.ApplyPostNormalizeTransform(normalized)
+	}
+
+	return normalized
 }