{"version":3,"file":"resourceTiming.js","sources":["../../../src/metrics/resourceTiming.ts"],"sourcesContent":["import type { SpanAttributes } from '@sentry/core';\nimport { browserPerformanceTimeOrigin } from '@sentry/core';\nimport { extractNetworkProtocol, getBrowserPerformanceAPI } from './utils';\n\nfunction getAbsoluteTime(time: number | undefined): number | undefined {\n  // falsy values should be preserved so that we can later on drop undefined values and\n  // preserve 0 vals for cross-origin resources without proper `Timing-Allow-Origin` header.\n  return time ? ((browserPerformanceTimeOrigin() || performance.timeOrigin) + time) / 1000 : time;\n}\n\n/**\n * Converts a PerformanceResourceTiming entry to span data for the resource span. Most importantly,\n * it converts the timing values from timestamps relative to the `performance.timeOrigin` to absolute timestamps\n * in seconds.\n *\n * @see https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming#timestamps\n *\n * @param resourceTiming\n * @returns An array where the first element is the attribute name and the second element is the attribute value.\n */\nexport function resourceTimingToSpanAttributes(resourceTiming: PerformanceResourceTiming): SpanAttributes {\n  const timingSpanData: SpanAttributes = {};\n  // Checking for only `undefined` and `null` is intentional because it's\n  // valid for `nextHopProtocol` to be an empty string.\n  if (resourceTiming.nextHopProtocol != undefined) {\n    const { name, version } = extractNetworkProtocol(resourceTiming.nextHopProtocol);\n    timingSpanData['network.protocol.version'] = version;\n    timingSpanData['network.protocol.name'] = name;\n  }\n\n  if (!(browserPerformanceTimeOrigin() || getBrowserPerformanceAPI()?.timeOrigin)) {\n    return timingSpanData;\n  }\n\n  return dropUndefinedKeysFromObject({\n    ...timingSpanData,\n\n    'http.request.redirect_start': getAbsoluteTime(resourceTiming.redirectStart),\n    'http.request.redirect_end': getAbsoluteTime(resourceTiming.redirectEnd),\n\n    'http.request.worker_start': getAbsoluteTime(resourceTiming.workerStart),\n\n    'http.request.fetch_start': getAbsoluteTime(resourceTiming.fetchStart),\n\n    'http.request.domain_lookup_start': getAbsoluteTime(resourceTiming.domainLookupStart),\n    'http.request.domain_lookup_end': getAbsoluteTime(resourceTiming.domainLookupEnd),\n\n    'http.request.connect_start': getAbsoluteTime(resourceTiming.connectStart),\n    'http.request.secure_connection_start': getAbsoluteTime(resourceTiming.secureConnectionStart),\n    'http.request.connection_end': getAbsoluteTime(resourceTiming.connectEnd),\n\n    'http.request.request_start': getAbsoluteTime(resourceTiming.requestStart),\n\n    'http.request.response_start': getAbsoluteTime(resourceTiming.responseStart),\n    'http.request.response_end': getAbsoluteTime(resourceTiming.responseEnd),\n\n    // For TTFB we actually want the relative time from timeOrigin to responseStart\n    // This way, TTFB always measures the \"first page load\" experience.\n    // see: https://web.dev/articles/ttfb#measure-resource-requests\n    'http.request.time_to_first_byte':\n      resourceTiming.responseStart != null ? resourceTiming.responseStart / 1000 : undefined,\n  });\n}\n\n/**\n * Remove properties with `undefined` as value from an object.\n * In contrast to `dropUndefinedKeys` in core this funciton only works on first-level\n * key-value objects and does not recursively go into object properties or arrays.\n */\nfunction dropUndefinedKeysFromObject<T extends object>(attrs: T): Partial<T> {\n  return Object.fromEntries(Object.entries(attrs).filter(([, value]) => value != null)) as Partial<T>;\n}\n"],"names":["browserPerformanceTimeOrigin","extractNetworkProtocol","getBrowserPerformanceAPI"],"mappings":";;;;;AAIA,SAAS,gBAAgB,IAAA,EAA8C;AAGrE,EAAA,OAAO,SAASA,iCAAA,EAA6B,IAAK,WAAA,CAAY,UAAA,IAAc,QAAQ,GAAA,GAAO,IAAA;AAC7F;AAYO,SAAS,+BAA+B,cAAA,EAA2D;AACxG,EAAA,MAAM,iBAAiC,EAAC;AAGxC,EAAA,IAAI,cAAA,CAAe,mBAAmB,MAAA,EAAW;AAC/C,IAAA,MAAM,EAAE,IAAA,EAAM,OAAA,EAAQ,GAAIC,4BAAA,CAAuB,eAAe,eAAe,CAAA;AAC/E,IAAA,cAAA,CAAe,0BAA0B,CAAA,GAAI,OAAA;AAC7C,IAAA,cAAA,CAAe,uBAAuB,CAAA,GAAI,IAAA;AAAA,EAC5C;AAEA,EAAA,IAAI,EAAED,iCAAA,EAA6B,IAAKE,8BAAA,IAA4B,UAAA,CAAA,EAAa;AAC/E,IAAA,OAAO,cAAA;AAAA,EACT;AAEA,EAAA,OAAO,2BAAA,CAA4B;AAAA,IACjC,GAAG,cAAA;AAAA,IAEH,6BAAA,EAA+B,eAAA,CAAgB,cAAA,CAAe,aAAa,CAAA;AAAA,IAC3E,2BAAA,EAA6B,eAAA,CAAgB,cAAA,CAAe,WAAW,CAAA;AAAA,IAEvE,2BAAA,EAA6B,eAAA,CAAgB,cAAA,CAAe,WAAW,CAAA;AAAA,IAEvE,0BAAA,EAA4B,eAAA,CAAgB,cAAA,CAAe,UAAU,CAAA;AAAA,IAErE,kCAAA,EAAoC,eAAA,CAAgB,cAAA,CAAe,iBAAiB,CAAA;AAAA,IACpF,gCAAA,EAAkC,eAAA,CAAgB,cAAA,CAAe,eAAe,CAAA;AAAA,IAEhF,4BAAA,EAA8B,eAAA,CAAgB,cAAA,CAAe,YAAY,CAAA;AAAA,IACzE,sCAAA,EAAwC,eAAA,CAAgB,cAAA,CAAe,qBAAqB,CAAA;AAAA,IAC5F,6BAAA,EAA+B,eAAA,CAAgB,cAAA,CAAe,UAAU,CAAA;AAAA,IAExE,4BAAA,EAA8B,eAAA,CAAgB,cAAA,CAAe,YAAY,CAAA;AAAA,IAEzE,6BAAA,EAA+B,eAAA,CAAgB,cAAA,CAAe,aAAa,CAAA;AAAA,IAC3E,2BAAA,EAA6B,eAAA,CAAgB,cAAA,CAAe,WAAW,CAAA;AAAA;AAAA;AAAA;AAAA,IAKvE,mCACE,cAAA,CAAe,aAAA,IAAiB,IAAA,GAAO,cAAA,CAAe,gBAAgB,GAAA,GAAO;AAAA,GAChF,CAAA;AACH;AAOA,SAAS,4BAA8C,KAAA,EAAsB;AAC3E,EAAA,OAAO,MAAA,CAAO,WAAA,CAAY,MAAA,CAAO,OAAA,CAAQ,KAAK,CAAA,CAAE,MAAA,CAAO,CAAC,GAAG,KAAK,CAAA,KAAM,KAAA,IAAS,IAAI,CAAC,CAAA;AACtF;;;;"}