themedCSS() and themedJavascript() files have previously been hardcoded
to reside in the css/ or javascript/ folder directly beneath the theme
path.
This short-cut still works, but you can also specify the theme-relative
path in its entirely, giving you more flexibility about your resource
layout.
using ‘silverstripe/framework’ or ‘silverstripe/cms’ will resolve the
right path even if these folders are in the project root.
‘vendor/module:/sub/path’ theme references are also supported so that
the admin sub-theme can be accessed.
If the _config folder exists as a top-level directory, treat the project
root as a module too. This is useful, e.g. when initialisation a
SilverStripe environment within a module.
This is only a first cut. Modules in the vendor directory are excluded.
Most likely, we will need to search the vendor folder for modules with
type = silverstripe-module in their composer.json.
The JavaScript i18n functionality in SilverStripe is used in the CMS as well as form field implementations.
Form fields used to include their own JavaScript for usage outside of CMS. This now requires custom build tooling in a project.
Hence there's no need for an i18n shim (i18nx.js), since the CMS always uses i18n support.
