Function clampAndCoarsenConnectionTimingInfo

deps/undici/src/lib/web/fetch/util.js:317–337

(connectionTimingInfo, defaultStartTime, crossOriginIsolatedCapability)

// https://fetch.spec.whatwg.org/#clamp-and-coarsen-connection-timing-info
function clampAndCoarsenConnectionTimingInfo (connectionTimingInfo, defaultStartTime, crossOriginIsolatedCapability) {
  if (!connectionTimingInfo?.startTime || connectionTimingInfo.startTime < defaultStartTime) {
    return {
      domainLookupStartTime: defaultStartTime,
      domainLookupEndTime: defaultStartTime,
      connectionStartTime: defaultStartTime,
      connectionEndTime: defaultStartTime,
      secureConnectionStartTime: defaultStartTime,
      ALPNNegotiatedProtocol: connectionTimingInfo?.ALPNNegotiatedProtocol
    }
  }

  return {
    domainLookupStartTime: coarsenTime(connectionTimingInfo.domainLookupStartTime, crossOriginIsolatedCapability),
    domainLookupEndTime: coarsenTime(connectionTimingInfo.domainLookupEndTime, crossOriginIsolatedCapability),
    connectionStartTime: coarsenTime(connectionTimingInfo.connectionStartTime, crossOriginIsolatedCapability),
    connectionEndTime: coarsenTime(connectionTimingInfo.connectionEndTime, crossOriginIsolatedCapability),
    secureConnectionStartTime: coarsenTime(connectionTimingInfo.secureConnectionStartTime, crossOriginIsolatedCapability),
    ALPNNegotiatedProtocol: connectionTimingInfo.ALPNNegotiatedProtocol
  }
}

// https://w3c.github.io/hr-time/#dfn-coarsened-shared-current-time
function coarsenedSharedCurrentTime (crossOriginIsolatedCapability) {