Docs: Theme Config and tailwind (safelist issue)

[jamesmacwhite]

For Theme Config and adding tailwind utility classes using plugin config, for tailwind, you are likely to encounter issues with the styling/CSS output of the utility classes not being applied because Tailwind will strip CSS not present in the final output.

By adding via PHP, the classes won't be seen e.g. text-red-600, because it is not part of the rendered template itself, but injected at a layer beyond the tailwind compilation. Adding via Twig will likely have more success, given this is at render time.

I don't know if it's worth adding a note about this somewhere, just in case others chase this. The safelist is always a gotcha with tailwind. You can of course target the .fui classes with the @apply in a tailwind CSS file, but just thought it was something to note for consideration!

[engram-design]

I might do some experimenting with this to see if you can include a reference to the PHP class, which would be neat. But possibly not an option as the Tailwind purge will be unable to recognise the pattern of classes as a PHP array.

But yeah, a valid point - I suppose I'll make a note of it somewhere!