Function ValidateWithCustomValidator

internal/serialization/validation.go:31–58

(v reflect.Value)

var validatorType = reflect.TypeFor[CustomValidator]()

func ValidateWithCustomValidator(v reflect.Value) error {
	vt := v.Type()
	if v.Kind() == reflect.Pointer {
		elemType := vt.Elem()
		if vt.Implements(validatorType) {
			if v.IsNil() {
				return reflect.New(elemType).Interface().(CustomValidator).Validate()
			}
			return v.Interface().(CustomValidator).Validate()
		}
		if elemType.Implements(validatorType) {
			return v.Elem().Interface().(CustomValidator).Validate()
		}
	} else if vt.PkgPath() != "" { // not a builtin type
		// prioritize pointer method
		if v.CanAddr() {
			vAddr := v.Addr()
			if vAddr.Type().Implements(validatorType) {
				return vAddr.Interface().(CustomValidator).Validate()
			}
		}
		// fallback to value method
		if vt.Implements(validatorType) {
			return v.Interface().(CustomValidator).Validate()
		}
	}
	return nil
}