Support dynamic values for webc:import component imports

[ashur]

Summary

WebC's webc:import attribute currently supports static strings, like:

<any-tag-name webc:import="./components/my-component.webc"></any-tag-name>

It would be extremely helpful if it also supported dynamic values — ex., paths constructed using values in the data cascade.

Example

Building on WebC's existing :-prefixed syntax for dynamic attributes, a dynamic import might use :webc:import:

---
component: my-component
---
<any-tag-name :webc:import="'./components/' + component + '.webc'"></any-tag-name>

Usage

We make heavy use of Nunjucks's support for dynamically include-ing templates and import-ing macros when building pages from user-defined data in a CMS.

[ashur]

The more I play with with WebC in Eleventy, the more I think #143 would better fit the bill for approximating dynamic includes in Nunjucks 👍

(I’ll leave this open in case there’s a scenario where a dynamic webc:import is more appropriate)