# Discourse toolkit to render forms

**URL:** <https://meta.discourse.org/t/discourse-toolkit-to-render-forms/326439>\
**Category:** Developer Guides\
**Created:** [September 13, 2024, 9:20pm UTC](https://meta.discourse.org/t/discourse-toolkit-to-render-forms/326439 "2024-09-13T21:20:27Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![j.jaffeux](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/j.jaffeux/32/60297_2.png) [@j.jaffeux](https://meta.discourse.org/u/j.jaffeux)\
**Post date:** [February 3, 2025, 11:56am UTC](https://meta.discourse.org/t/discourse-toolkit-to-render-forms/326439/17 "2025-02-03T11:56:55Z")

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> [@pfaffman](#):
>
> ### And more about `field.Composer`
> 
> ~~I still can’t figure out how to get it to show the preview.~~ I got some CSS to make the preview show, but I still can’t make it take up the full width.
> 
> I’ve got `<field.Composer @height={{80}} />` and it looks exactly the same as `<field.Composer @height={{800}} />`, (maybe there is some default CSS that’s overriding this?)–found it! ` --form-kit-large-input: 100%;` (actually that affects the width, but I’m still not sure about the height)

There were legit issues on this. I fixed them all in [FIX: supports height/preview form-kit composer by jjaffeux · Pull Request #31121 · discourse/discourse · GitHub](https://github.com/discourse/discourse/pull/31121) and documented in [document composer preview option by jjaffeux · Pull Request #37 · discourse/discourse-developer-docs · GitHub](https://github.com/discourse/discourse-developer-docs/pull/37)

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