fix: Add 'http.response.status_code' to documentFetch span.

package.json

@@ -65,7 +65,7 @@
 		"globals": "^15.11.0",
 		"prettier": "^3.3.3",
 		"size-limit": "^11.1.6",
-		"typescript": "^5.1.6",
+		"typescript": "^5.7.3",
 		"typescript-eslint": "^8.12.2"
 	}
 }

packages/integration-tests/src/tests/docload/docload.spec.ts

@@ -50,7 +50,7 @@ test.describe('docload', () => {
 		}
 	})
 
-	test('documentFetch, resourceFetch, and documentLoad spans', async ({ recordPage }) => {
+	test('documentFetch, resourceFetch, and documentLoad spans', async ({ recordPage, browserName }) => {
 		await recordPage.goTo('/docload/docload.ejs')
 
 		await recordPage.waitForSpans((spans) => spans.filter((span) => span.name === 'documentLoad').length === 1)
@@ -96,6 +96,11 @@ test.describe('docload', () => {
 
 		expect(docFetchSpans[0].tags['link.traceId']).toBeDefined()
 		expect(docFetchSpans[0].tags['link.spanId']).toBeDefined()
+		if (browserName !== 'webkit') {
+			// Webkit does not support https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/responseStatus
+			expect(parseInt(docFetchSpans[0].tags['http.response.status_code'] as string)).toBeGreaterThan(0)
+		}
+
 		expect(parseInt(scriptFetchSpans[0].tags['http.response_content_length'] as string)).toBeGreaterThan(0)
 
 		expect(docLoadSpans[0].tags['component']).toBe('document-load')

packages/session-recorder/tsconfig.base.json

@@ -8,7 +8,8 @@
 		"pretty": true,
 		"resolveJsonModule": true,
 		"target": "ES2017",
-		"types": ["node"]
+		"types": ["node"],
+		"skipLibCheck": true
 	},
 	"include": ["src/**/*.ts", "src/**/*.js"],
 	"exclude": ["node_modules"]

packages/web/src/SplunkDocumentLoadInstrumentation.ts

@@ -17,7 +17,7 @@
  */
 
 import { InstrumentationConfig } from '@opentelemetry/instrumentation'
-import { DocumentLoadInstrumentation } from '@opentelemetry/instrumentation-document-load'
+import { AttributeNames, DocumentLoadInstrumentation } from '@opentelemetry/instrumentation-document-load'
 import * as api from '@opentelemetry/api'
 import { captureTraceParentFromPerformanceEntries } from './servertiming'
 import { PerformanceEntries } from '@opentelemetry/sdk-trace-web'
@@ -65,27 +65,27 @@ export class SplunkDocumentLoadInstrumentation extends DocumentLoadInstrumentati
 				span.setAttribute('component', this.component)
 			}
 
-			if (span && exposedSpan.name !== 'documentLoad') {
+			if (span && exposedSpan.name !== AttributeNames.DOCUMENT_LOAD) {
 				// only apply links to document/resource fetch
 				// To maintain compatibility, getEntries copies out select items from
 				// different versions of the performance API into its own structure for the
 				// initial document load (but leaves the entries undisturbed for resource loads).
-				if (
-					exposedSpan.name === 'documentFetch' &&
-					!(entries as PerformanceEntriesWithServerTiming).serverTiming &&
-					performance.getEntriesByType
-				) {
+				if (exposedSpan.name === AttributeNames.DOCUMENT_FETCH && performance.getEntriesByType) {
 					const navEntries = performance.getEntriesByType('navigation')
-					if (navEntries[0]?.serverTiming) {
+					if (!(entries as PerformanceEntriesWithServerTiming).serverTiming && navEntries[0]?.serverTiming) {
 						;(entries as PerformanceEntriesWithServerTiming).serverTiming = navEntries[0].serverTiming
 					}
+
+					if (navEntries[0]?.responseStatus) {
+						span.setAttribute('http.response.status_code', navEntries[0].responseStatus)
+					}
 				}
 
 				captureTraceParentFromPerformanceEntries(entries, span)
 				span.setAttribute(SemanticAttributes.HTTP_METHOD, 'GET')
 			}
 
-			if (span && exposedSpan.name === 'documentLoad') {
+			if (span && exposedSpan.name === AttributeNames.DOCUMENT_LOAD) {
 				addExtraDocLoadTags(span)
 			}
 

packages/web/tsconfig.base.json

@@ -8,7 +8,8 @@
 		"pretty": true,
 		"resolveJsonModule": true,
 		"target": "ES2017",
-		"types": ["node"]
+		"types": ["node"],
+		"skipLibCheck": true
 	},
 	"include": ["src/**/*.ts"],
 	"exclude": ["node_modules"]