Bun Support Lacking - performance.clearResourceTimings not supported

[vtempest]

Everything is 0 and this has no polyfill to a much better than node.js runtime gainign popularity

performance.clearResourceTimings is not in Bun

[vtempest]

export async function testDownloadSpeed({
  testSizes = [100000, 500000, 1000000],
  iterations = 3,
  decimalPrecision = 1,
  CLOUDFLARE_URL = 'https://speed.cloudflare.com/__down'
} = {}) {
  let total = 0, count = 0;
  for (const size of testSizes) {
    for (let i = 0; i < iterations; i++) {
      try {
        const t0 = Date.now();
        const res = await fetch(`${CLOUDFLARE_URL}?bytes=${size}`);
        if (!res.ok) continue;
        await res.text();
        const seconds = (Date.now() - t0) / 1000;
        if (seconds > 0) {
          total += size / (1024 * 1024) / seconds;
          count++;
        }
      } catch {}
    }
  }
  const avg = count ? total / count : 0;
  return +avg.toFixed(decimalPrecision);
}

if (require.main === module) {
  testDownloadSpeed().then(console.log);
}

The core function in a single simple call to the API. no need to make it s complex that it breaks bun compatibiltiy