Function paginate

src/webui/observer/jsonl.js:47–61

(items, query = {})

}

function paginate(items, query = {}) {
  const limit = Math.min(toPositiveInt(query.limit, 50), 200);
  const offset = Math.max(0, toPositiveInt(query.offset || query.cursor, 0));
  const data = items.slice(offset, offset + limit);
  const nextOffset = offset + data.length;
  return {
    data,
    pagination: {
      limit,
      offset,
      totalItems: items.length,
      nextCursor: nextOffset < items.length ? String(nextOffset) : null,
    },
  };
}

function toPositiveInt(value, fallback) {
  const n = Number(value);