--- import { getCollection } from 'astro:content'; import BaseLayout from '@layouts/BaseLayout.astro'; import Post from '@components/Post.astro'; const entries = await getCollection('posts'); entries.sort((a, b) => b.data.date.getTime() - a.data.date.getTime()); // there will always be at leaste one entry const entry = entries[0]!; const prevSlug = entries[1] ? entries[1]?.id : null; ---