Function main

scripts/bench.ts:163–207

()

};

async function main() {
  if (!JSON_MODE)
    process.stderr.write(`Running ${bench.tasks.length} scenarios…\n`);

  await bench.run();

  const rows: BenchRow[] = bench.tasks.map((t) => {
    const r = (t as any).result;
    return {
      name: t.name,
      opsPerSec: r?.throughput ? Math.round(r.throughput.mean) : 0,
      avgUs: r?.latency ? r.latency.mean * 1000 : 0,
      p99Us: r?.latency ? r.latency.p99 * 1000 : 0,
    };
  });

  if (JSON_MODE) {
    process.stdout.write(JSON.stringify(rows) + '\n');
    return;
  }

  const tableRows = rows.map((r) => ({
    Scenario: r.name,
    'ops/sec': r.opsPerSec ? r.opsPerSec.toLocaleString() : 'ERROR',
    'avg µs': r.avgUs.toFixed(2),
    'p99 µs': r.p99Us.toFixed(2),
  }));

  console.log(`\n📊  react-hook-form — ${FIELDS}-field form benchmark\n`);
  console.table(tableRows);

  const noSub = rows.find(
    (r) => r.name.includes('onChange') && r.name.includes('no sub'),
  );
  const withSub = rows.find(
    (r) => r.name.includes('onChange') && r.name.includes('watch'),
  );
  if (noSub?.opsPerSec && withSub?.opsPerSec) {
    const ratio = noSub.opsPerSec / withSub.opsPerSec;
    console.log(
      `\nonChange no-subscriber is ${ratio.toFixed(1)}× faster than with-subscriber`,
      '(subscriber forces cloneObject)',
    );
  }
}

main();