Fluidtemplates 的 Typoscript 条件

Conditions with Typoscript for Fluidtemplates

我想用下面的代码添加一个流体模板

[PIDupinRootline = 39] && [treeLevel = 4]
    lib.personSubMenuBack = FLUIDTEMPLATE
    lib.personSubMenuBack {
        file = EXT:sitepackage_my_domain/Resources/Private/TT_Address/Partials/PersonSubMenuBack.html
    }
[end]

在我添加的另一个流体模板中

<f:cObject typoscriptObjectPath="lib.personSubMenuBack" />

现在,由于找不到“lib.personSubMenuBack”,当条件错误时,我会收到页面错误。为了避免这种情况,我在条件

之前添加了这个
 lib.personSubMenuBack = FLUIDTEMPLATE
    lib.personSubMenuBack {
        file = EXT:sitepackage_my_domain/Resources/Private/TT_Address/Partials/PersonSubMenuEmpty.html

    }

不知道有没有更优雅的解决方法,不用额外的空fluidtemplatePersonSubMenuEmpty

[PIDupinRootline = 39] && [treeLevel = 4]
    lib.personSubMenuBack = FLUIDTEMPLATE
    lib.personSubMenuBack {
        file = EXT:sitepackage_my_domain/....
    }
[else]
    lib.personSubMenuBack = TEXT
[end]