Infinite loop with recursive qmake custom function

TEMPLATE = app

defineReplace(pasnox) {
    isEqual(2, action) {
        isEqual(TEMPLATE, app) {
            g = $$pasnox($${1}, yes)
        } else {
            g = $$pasnox($${1}, no)
        }
        return($${g})
    } else:isEqual(2, yes) {
        return("yes")
    } else:isEqual(2, no) {
        return("no")
    }

    return()
}

u = $$pasnox(zynox, action)