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perf_hooks: add PerformanceResourceTiming
perf_hooks: create clearResourceTimings perf_hooks: add resourcetiming test parallel perf_hooks: add markResourceTiming perf_hooks: fix observable when using resource perf_hooks: fix observable when using resource perf_hooks: add class comments
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| 'use strict'; | ||
| // https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming | ||
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| const { InternalPerformanceEntry } = require('internal/perf/performance_entry'); | ||
| const { SymbolToStringTag } = primordials; | ||
| const assert = require('internal/assert'); | ||
| const { enqueue } = require('internal/perf/observe'); | ||
| const { Symbol } = primordials; | ||
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| const kCacheMode = Symbol('kCacheMode'); | ||
| const kRequestedUrl = Symbol('kRequestedUrl'); | ||
| const kTimingInfo = Symbol('kTimingInfo'); | ||
| const kInitiatorType = Symbol('kInitiatorType'); | ||
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| class PerformanceResourceTiming extends InternalPerformanceEntry { | ||
| constructor(requestedUrl, initiatorType, timingInfo, cacheMode = '') { | ||
| super(requestedUrl, 'resource'); | ||
| this[kInitiatorType] = initiatorType; | ||
| this[kRequestedUrl] = requestedUrl; | ||
| // https://fetch.spec.whatwg.org/#fetch-timing-info | ||
| // This class is using timingInfo assuming it's already validated. | ||
| // The spec doesn't say to validate it in the class construction. | ||
| this[kTimingInfo] = timingInfo; | ||
| this[kCacheMode] = cacheMode; | ||
| } | ||
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| get [SymbolToStringTag]() { | ||
| return 'PerformanceResourceTiming'; | ||
| } | ||
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| get name() { | ||
| return this[kRequestedUrl]; | ||
| } | ||
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| get startTime() { | ||
| return this[kTimingInfo].startTime; | ||
| } | ||
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| get duration() { | ||
| return this[kTimingInfo].endTime - this[kTimingInfo].startTime; | ||
| } | ||
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| get workerStart() { | ||
| return this[kTimingInfo].finalServiceWorkerStartTime; | ||
| } | ||
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| get redirectStart() { | ||
| return this[kTimingInfo].redirectStartTime; | ||
| } | ||
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| get redirectEnd() { | ||
| return this[kTimingInfo].redirectEndTime; | ||
| } | ||
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| get fetchStart() { | ||
| return this[kTimingInfo].postRedirectStartTime; | ||
| } | ||
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| get domainLookupStart() { | ||
| return this[kTimingInfo].finalConnectionTimingInfo?.domainLookupStartTime; | ||
| } | ||
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| get domainLookupEnd() { | ||
| return this[kTimingInfo].finalConnectionTimingInfo?.domainLookupEndTime; | ||
| } | ||
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| get connectStart() { | ||
| return this[kTimingInfo].finalConnectionTimingInfo?.connectionStartTime; | ||
| } | ||
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| get connectEnd() { | ||
| return this[kTimingInfo].finalConnectionTimingInfo?.connectionEndTime; | ||
| } | ||
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| get secureConnectionStart() { | ||
| return this[kTimingInfo] | ||
| .finalConnectionTimingInfo?.secureConnectionStartTime; | ||
| } | ||
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| get nextHopProtocol() { | ||
| return this[kTimingInfo] | ||
| .finalConnectionTimingInfo?.ALPNNegotiatedProtocol; | ||
| } | ||
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| get requestStart() { | ||
| return this[kTimingInfo].finalNetworkRequestStartTime; | ||
| } | ||
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| get responseStart() { | ||
| return this[kTimingInfo].finalNetworkResponseStartTime; | ||
| } | ||
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| get responseEnd() { | ||
| return this[kTimingInfo].endTime; | ||
| } | ||
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| get encodedBodySize() { | ||
| return this[kTimingInfo].encodedBodySize; | ||
| } | ||
|
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| get decodedBodySize() { | ||
| return this[kTimingInfo].decodedBodySize; | ||
| } | ||
|
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| get transferSize() { | ||
| if (this[kCacheMode] === 'local') return 0; | ||
| if (this[kCacheMode] === 'validated') return 300; | ||
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| return this[kTimingInfo].encodedBodySize + 300; | ||
| } | ||
|
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| toJSON() { | ||
| return { | ||
| name: this.name, | ||
| entryType: this.entryType, | ||
| startTime: this.startTime, | ||
| duration: this.duration, | ||
| initiatorType: this[kInitiatorType], | ||
| nextHopProtocol: this.nextHopProtocol, | ||
| workerStart: this.workerStart, | ||
| redirectStart: this.redirectStart, | ||
| redirectEnd: this.redirectEnd, | ||
| fetchStart: this.fetchStart, | ||
| domainLookupStart: this.domainLookupStart, | ||
| domainLookupEnd: this.domainLookupEnd, | ||
| connectStart: this.connectStart, | ||
| connectEnd: this.connectEnd, | ||
| secureConnectionStart: this.secureConnectionStart, | ||
| requestStart: this.requestStart, | ||
| responseStart: this.responseStart, | ||
| responseEnd: this.responseEnd, | ||
| transferSize: this.transferSize, | ||
| encodedBodySize: this.encodedBodySize, | ||
| decodedBodySize: this.decodedBodySize, | ||
| }; | ||
| } | ||
| } | ||
|
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| // https://w3c.github.io/resource-timing/#dfn-mark-resource-timing | ||
| function markResourceTiming( | ||
| timingInfo, | ||
| requestedUrl, | ||
| initiatorType, | ||
| global, | ||
| cacheMode, | ||
| ) { | ||
| // https://w3c.github.io/resource-timing/#dfn-setup-the-resource-timing-entry | ||
| assert(cacheMode === '' || cacheMode === 'local'); | ||
| const resource = new PerformanceResourceTiming( | ||
| requestedUrl, | ||
| initiatorType, | ||
| timingInfo, | ||
| cacheMode, | ||
| ); | ||
| enqueue(resource); | ||
| return resource; | ||
| } | ||
|
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| module.exports = { | ||
| PerformanceResourceTiming, | ||
| markResourceTiming, | ||
| }; |
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