> For the complete documentation index, see [llms.txt](https://shipclojure.gitbook.io/shipclojure-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://shipclojure.gitbook.io/shipclojure-docs/frontend/icons.md).

# Icons

ShipClojure uses SVG sprites for [optimal icon performance](https://benadam.me/thoughts/react-svg-sprites/). You'll find raw SVGs in the [resources/icons](https://github.com/shipclojure/shipclojure/blob/main/resources/icons/README.md) directory. These are then compiled into a sprite using the `bb run build-icons` script, which generates the `sprite.svg` file, which is loaded into your html.

[Here](https://www.ovistoica.com/blog/20241009T084633--the-best-way-to-handle-svg-icons-in-fullstack-clojure-project__blog_clojure_clojurescript_web) is a blog post I wrote about the full technique used in ShipClojure.

The SVGs used by default in ShipClojure come from [lucide.dev](https://lucide.dev/). You can download additional SVG icons from there, or provide your own. Once you've added new files in the [icons directory](https://github.com/shipclojure/shipclojure/blob/main/resources/icons/README.md), run `bb run build-icons` and you can then use the [icon.cljc](https://github.com/shipclojure/shipclojure/blob/main/src/cljc/saas/common/ui/icon.cljc) component to render it.

```clojure
(ns example
 (:require
    [uix.core :refer [$ defui]]
    [saas.common.ui.icon :refer [icon]]))

(defui my-cool-component
    []
    ($ :div
      ($ icon {:icon :moon
               :size :lg
               :class "text-red-300"})))
```

The `:icon` or `:name` prop is the name of the file without the `.svg` extension. We recommend using `kebab-case` filenames rather than `PascalCase` to avoid casing issues with different operating systems.

Note that the [build\_icons.clj](https://github.com/shipclojure/shipclojure/blob/main/src/bb/build_icons.clj) script automatically removes `width` and `height` props from your SVGs to ensure they scale properly.

By default, all the icons will have a height and width of `1em` so they should match the font-size of the text they're next to. You can also customize the size using the `:size` prop or `:class "w-8 h-8"`

You can use the sprite.svg on server rendered pages also, and even in the blog templates like so:

```html
<div>
    <svg class="inline self-center w-[1em] h-[1em]">
       <use href="/svg/sprite.svg#moon" />
    </svg>
</div>
```


---

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