how do I to insert file conten inside quotation marks?

[guilhermemar]

like:

...
let tpl = '/*=include path/to/template.html */';
...

[KenEucker]

I would also like the ability to do this and could follow any convention. My use case:

<script src="/*=include */">

Which currently does not work.

[ange007]

No changes?