(async () => {
  const out = { hasLib: typeof lib !== 'undefined', libKeys: typeof lib !== 'undefined' ? Object.keys(lib) : null };
  out.hasMtop = !!(typeof lib !== 'undefined' && lib.mtop && typeof lib.mtop.request === 'function');
  if (!out.hasMtop) return out;
  try {
    const r = await lib.mtop.request({
      api: 'mtop.alibaba.idle.seller.pc.datacompass.item.list',
      v: '1.0', type: 'POST', dataType: 'json',
      data: {
        tabType: 'all', dateRange: '', ms: '', dateType: 'recent7d',
        categoryInfoStr: '[]', itmName: '', itmId: '', isDpStk: '', mktActId: '',
        page: 1, pageSize: 3,
      },
    });
    out.ret = r && r.ret;
    const d = r && r.data && r.data.data;
    out.total = d && d.total;
    out.listLen = d && d.list && d.list.length;
    out.firstItem = d && d.list && d.list[0];
    out.topKeys = d ? Object.keys(d) : null;
  } catch (e) {
    out.error = String((e && e.message) || e);
  }
  return out;
})()