How to format elements nested in li, a, p tags in Pug?

Question

HTML

for example code

li.list__item
    a(href="#")

compiles to I want a line break and indent

<li class="list__item"><a href="#"></a></li>

<li class="list__item">
    <a href="#"></a>
</li>

hyphens in Pug don't help

li.list__item
    |
    |
    a(href="#")
    |
    |

they compile to code like this, with an extra line break

<li class="list__item">
    
    <a href="#"></a>
</li>