{#if header}
{@render header()}
{/if}
{#each sections as section (section.id)}
{ const open = (e.currentTarget as HTMLDetailsElement).open; onToggle?.(section.id, open); }} >
{section.title}
{#each section.items as item (item.id)}
{/each}
{/each}
{#if footer}
{@render footer()}
{/if}