{#each node.children as child, i (i)}
{@const key = keyOf(i, child.node.id)}
{#if child.collapsible}
{@const open = isOpen(i, child.node.id)}
{#if open}
collapse.setOpen(key, false)}
onkeydown={(e) => {
if (e.key === "Escape" || e.key === "Enter") collapse.setOpen(key, false);
}}
>
{/if}
{:else}
{/if}
{/each}