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Section.tsx
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Section.tsx
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import type { PageId, SectionHighlight } from '../../../types'
import { useSectionItems } from '../Context/hooks'
import { Item, ItemToggle } from '../Item/Item'
type SectionProps = {
/** ID of the page whose children we want to render */
parentId: PageId
/** The level of the current section */
level: number
/** The relation of the section to the active page for proper highlighting */
highlight?: SectionHighlight
/** Show the component; triggers the enter or exit states for the animation */
isVisible?: boolean
}
/**
* Displays a list of menu items at one level. If the element has children,
* will display it with a chevron (ItemToggle) and pass the child items to it,
* rendering a nested Section recursively.
*/
export function Section({ parentId, level, highlight, isVisible = true }: SectionProps): JSX.Element {
const { items, isFiltered } = useSectionItems(parentId, level, highlight)
return (
<>
{items.map((item) => {
if (!item.hasChildren) {
return (
<Item key={item.id} item={item} isVisible={isVisible}>
{item.title}
</Item>
)
}
return (
<ItemToggle key={item.id} item={item} isVisible={isVisible} isDisabled={isFiltered}>
{
/**
* The HeightTransition component manage element mount/unmount itself,
* based on the isVisible flag. So we do not need to conditionally rerender component,
* instead we have to just pass the isVisible flag
*/
(isOpen: boolean, highlight: SectionHighlight) => (
<Section
isVisible={isOpen}
highlight={highlight}
parentId={item.id}
level={level + 1}
/>
)
}
</ItemToggle>
)
})}
</>
)
}