lunasqu.ee-nuxt/server/api/blog/archive.ts

import { getArchiveTree } from '~~/lib/blog/read-posts';

export default defineEventHandler(async (event) => {
  const query = getQuery(event);
  const include = (content) => {
    if (query.tag) {
      if (!content.tags?.length || !content.tags.includes(query.tag)) {
        return false;
      }
    }

    return true;
  };

  return getArchiveTree(include);
});