Function httpGetJson

tooling/scripts/perf-web-runtime.mjs:144–169

(url)

}

function httpGetJson(url) {
  return new Promise((resolvePromise, rejectPromise) => {
    const req = http.get(url, (res) => {
      let body = ''
      res.setEncoding('utf8')
      res.on('data', (chunk) => {
        body += chunk
      })
      res.on('end', () => {
        if ((res.statusCode ?? 500) >= 400) {
          rejectPromise(new Error(`${url} returned HTTP ${res.statusCode}: ${body}`))
          return
        }
        try {
          resolvePromise(JSON.parse(body))
        } catch (err) {
          rejectPromise(err)
        }
      })
    })
    req.on('error', rejectPromise)
    req.setTimeout(1000, () => {
      req.destroy(new Error(`Timed out requesting ${url}`))
    })
  })
}

async function waitForHttpOk(url, timeoutMs) {
  const deadline = Date.now() + timeoutMs