handlebars external file partials

[lovasoa]

Discussed in https://github.com/sqlpage/SQLPage/discussions/875

^{Originally posted by vogel61 March 31, 2025} is it true, that handlebars partials are still not implemented in sqlpage? I am trying to create a custom component for treeviews heavily depending on that, failed miserably so far and narrowed it down to partials not working as expected.