website/node_modules/@astrojs/starlight/components/SidebarSublist.astro

---
import { flattenSidebar, type SidebarEntry } from '../utils/navigation';
import Icon from '../user-components/Icon.astro';
import Badge from './Badge.astro';

interface Props {
	sublist: SidebarEntry[];
	nested?: boolean;
}

const { sublist, nested } = Astro.props;
---

<ul class:list={{ 'top-level': !nested }}>
	{
		sublist.map((entry) => (
			<li>
				{entry.type === 'link' ? (
					<a
						href={entry.href}
						aria-current={entry.isCurrent && 'page'}
						class:list={[{ large: !nested }, entry.attrs.class]}
						{...entry.attrs}
					>
						<span>{entry.label}</span>
						{entry.badge && (
							<>
								{' '}
								<Badge
									text={entry.badge.text}
									variant={entry.isCurrent ? 'outline' : entry.badge.variant}
								/>
							</>
						)}
					</a>
				) : (
					<details
						open={flattenSidebar(entry.entries).some((i) => i.isCurrent) || !entry.collapsed}
					>
						<summary>
							<div class="group-label">
								<span class="large">{entry.label}</span>
								{entry.badge && (
									<>
										{' '}
										<Badge text={entry.badge.text} variant={entry.badge.variant} />
									</>
								)}
							</div>
							<Icon name="right-caret" class="caret" size="1.25rem" />
						</summary>
						<Astro.self sublist={entry.entries} nested />
					</details>
				)}
			</li>
		))
	}
</ul>

<style>
	ul {
		--sl-sidebar-item-padding-inline: 0.5rem;
		list-style: none;
		padding: 0;
	}

	li {
		overflow-wrap: anywhere;
	}

	ul ul li {
		margin-inline-start: var(--sl-sidebar-item-padding-inline);
		border-inline-start: 1px solid var(--sl-color-hairline-light);
		padding-inline-start: var(--sl-sidebar-item-padding-inline);
	}

	.large {
		font-size: var(--sl-text-lg);
		font-weight: 600;
		color: var(--sl-color-white);
	}

	.top-level > li + li {
		margin-top: 0.75rem;
	}

	summary {
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 0.2em var(--sl-sidebar-item-padding-inline);
		line-height: 1.4;
		cursor: pointer;
		user-select: none;
	}
	summary::marker,
	summary::-webkit-details-marker {
		display: none;
	}

	.caret {
		transition: transform 0.2s ease-in-out;
		flex-shrink: 0;
	}
	:global([dir='rtl']) .caret {
		transform: rotateZ(180deg);
	}
	[open] > summary .caret {
		transform: rotateZ(90deg);
	}

	a {
		display: block;
		border-radius: 0.25rem;
		text-decoration: none;
		color: var(--sl-color-gray-2);
		padding: 0.3em var(--sl-sidebar-item-padding-inline);
		line-height: 1.4;
	}

	a:hover,
	a:focus {
		color: var(--sl-color-white);
	}

	[aria-current='page'],
	[aria-current='page']:hover,
	[aria-current='page']:focus {
		font-weight: 600;
		color: var(--sl-color-text-invert);
		background-color: var(--sl-color-text-accent);
	}

	a > *:not(:last-child),
	.group-label > *:not(:last-child) {
		margin-inline-end: 0.25em;
	}

	@media (min-width: 50rem) {
		.top-level > li + li {
			margin-top: 0.5rem;
		}
		.large {
			font-size: var(--sl-text-base);
		}
		a {
			font-size: var(--sl-text-sm);
		}
	}
</style>