Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });

const core = require('@sentry/core');
const utils = require('./utils.js');

function getAbsoluteTime(time) {
  return time ? ((core.browserPerformanceTimeOrigin() || performance.timeOrigin) + time) / 1e3 : time;
}
function resourceTimingToSpanAttributes(resourceTiming) {
  const timingSpanData = {};
  if (resourceTiming.nextHopProtocol != void 0) {
    const { name, version } = utils.extractNetworkProtocol(resourceTiming.nextHopProtocol);
    timingSpanData["network.protocol.version"] = version;
    timingSpanData["network.protocol.name"] = name;
  }
  if (!(core.browserPerformanceTimeOrigin() || utils.getBrowserPerformanceAPI()?.timeOrigin)) {
    return timingSpanData;
  }
  return dropUndefinedKeysFromObject({
    ...timingSpanData,
    "http.request.redirect_start": getAbsoluteTime(resourceTiming.redirectStart),
    "http.request.redirect_end": getAbsoluteTime(resourceTiming.redirectEnd),
    "http.request.worker_start": getAbsoluteTime(resourceTiming.workerStart),
    "http.request.fetch_start": getAbsoluteTime(resourceTiming.fetchStart),
    "http.request.domain_lookup_start": getAbsoluteTime(resourceTiming.domainLookupStart),
    "http.request.domain_lookup_end": getAbsoluteTime(resourceTiming.domainLookupEnd),
    "http.request.connect_start": getAbsoluteTime(resourceTiming.connectStart),
    "http.request.secure_connection_start": getAbsoluteTime(resourceTiming.secureConnectionStart),
    "http.request.connection_end": getAbsoluteTime(resourceTiming.connectEnd),
    "http.request.request_start": getAbsoluteTime(resourceTiming.requestStart),
    "http.request.response_start": getAbsoluteTime(resourceTiming.responseStart),
    "http.request.response_end": getAbsoluteTime(resourceTiming.responseEnd),
    // For TTFB we actually want the relative time from timeOrigin to responseStart
    // This way, TTFB always measures the "first page load" experience.
    // see: https://web.dev/articles/ttfb#measure-resource-requests
    "http.request.time_to_first_byte": resourceTiming.responseStart != null ? resourceTiming.responseStart / 1e3 : void 0
  });
}
function dropUndefinedKeysFromObject(attrs) {
  return Object.fromEntries(Object.entries(attrs).filter(([, value]) => value != null));
}

exports.resourceTimingToSpanAttributes = resourceTimingToSpanAttributes;
//# sourceMappingURL=resourceTiming.js.map