Function isFocused

isFocused(node, storeFocused): ActionReturn<MinimalWritable<boolean>>
Provides an action to monitor focus state of a given element and set an associated store with current focus state.

This action is usable with any writable store.
Parameters
- node: HTMLElement
  Target element.
- storeFocused: MinimalWritable<boolean>
  Update store for focus changes.
Returns ActionReturn<MinimalWritable<boolean>>
Lifecycle functions.