feat(use-focus): adds focusWithin flag to useFocus hook

[dvcol]

When creating a component wrapper, it is often useful to broaden the focus trigger to include any focused element within.

For example if my component includes a focusable input within a styled container, I might want to trigger the floating element on container hover or on input focus (e.g. tab navigation).

<script lang="ts">
import {
  useFloating,
  useFocus,
  useHover,
  useInteractions,
} from "@skeletonlabs/floating-ui-svelte";

const floating = useFloating({ focusWithin: true });
const focus = useFocus(floating.context);
const hover = useHover(floating.context);
const interactions = useInteractions([focus, hover]);
</script>

<!-- Reference Element -->
<div bind:this={floating.elements.reference} {...interactions.getReferenceProps()}>
  <label>My Label</label>
  <input placeholder="Type something here" />
</div>

<!-- Floating Element -->
<div
  bind:this={floating.elements.floating}
  style={floating.floatingStyles}
  {...interactions.getFloatingProps()}
>
  Floating
</div>

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Name	Status	Preview	Comments	Updated (UTC)
floating-ui-svelte	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 15, 2025 8:21am