update create opaque timing info (nodejs#1143)

Author: KhafraDev

lib/fetch/index.js

@@ -24,7 +24,7 @@ const {
   requestCurrentURL,
   setRequestReferrerPolicyOnRedirect,
   tryUpgradeRequestToAPotentiallyTrustworthyURL,
-  makeTimingInfo,
+  createOpaqueTimingInfo,
   appendFetchMetadata,
   corsCheck,
   crossOriginResourcePolicyCheck,
@@ -226,11 +226,9 @@ function finalizeAndReportTiming (response, initiatorType = 'other') {
 
   // 6. If response’s timing allow passed flag is not set, then:
   if (!timingInfo.timingAllowPassed) {
-    //  1. Set timingInfo to a new fetch timing info whose start time and
-    //  post-redirect start time are timingInfo’s start time.
-    timingInfo = makeTimingInfo({
-      startTime: timingInfo.startTime,
-      postRedirectStartTime: timingInfo.postRedirectStartTime
+    //  1. Set timingInfo to a the result of creating an opaque timing info for timingInfo.
+    timingInfo = createOpaqueTimingInfo({
+      startTime: timingInfo.startTime
     })
 
     //  2. Set cacheState to the empty string.
@@ -339,9 +337,8 @@ function fetching ({
   // post-redirect start time are the coarsened shared current time given
   // crossOriginIsolatedCapability.
   const currenTime = coarsenedSharedCurrentTime(crossOriginIsolatedCapability)
-  const timingInfo = makeTimingInfo({
-    startTime: currenTime,
-    postRedirectStartTime: currenTime
+  const timingInfo = createOpaqueTimingInfo({
+    startTime: currenTime
   })
 
   // 6. Let fetchParams be a new fetch params whose

lib/fetch/util.js

@@ -253,20 +253,20 @@ function coarsenedSharedCurrentTime (crossOriginIsolatedCapability) {
   return performance.now()
 }
 
-function makeTimingInfo (init) {
+// https://fetch.spec.whatwg.org/#create-an-opaque-timing-info
+function createOpaqueTimingInfo (timingInfo) {
   return {
-    startTime: 0,
+    startTime: timingInfo.startTime ?? 0,
     redirectStartTime: 0,
     redirectEndTime: 0,
-    postRedirectStartTime: 0,
+    postRedirectStartTime: timingInfo.startTime ?? 0,
     finalServiceWorkerStartTime: 0,
     finalNetworkResponseStartTime: 0,
     finalNetworkRequestStartTime: 0,
     endTime: 0,
     encodedBodySize: 0,
     decodedBodySize: 0,
-    finalConnectionTimingInfo: null,
-    ...init
+    finalConnectionTimingInfo: null
   }
 }
 
@@ -318,7 +318,7 @@ module.exports = {
   TAOCheck,
   corsCheck,
   crossOriginResourcePolicyCheck,
-  makeTimingInfo,
+  createOpaqueTimingInfo,
   setRequestReferrerPolicyOnRedirect,
   isValidHTTPToken,
   requestBadPort,