fix(core): Make endTimestamp of FetchBreadcrumbHint optional

Signed-off-by: Kaung Zin Hein <83657429+Zen-cronic@users.noreply.github.com>

Author: Zen-cronic

packages/browser/src/integrations/graphqlClient.ts

@@ -119,7 +119,7 @@ function _getGraphQLOperation(requestBody: GraphQLRequestPayload): string {
 
 /**
  * Get the request body/payload based on the shape of the hint.
- * 
+ *
  * Exported for tests only.
  */
 export function getRequestPayloadXhrOrFetch(hint: XhrHint | FetchHint): string | undefined {
@@ -140,7 +140,7 @@ export function getRequestPayloadXhrOrFetch(hint: XhrHint | FetchHint): string |
 
 /**
  * Extract the name and type of the operation from the GraphQL query.
- * 
+ *
  * Exported for tests only.
  */
 export function parseGraphQLQuery(query: string): GraphQLOperation {

packages/core/src/fetch.ts

@@ -104,7 +104,7 @@ export function instrumentFetchRequest(
       input: handlerData.args,
       response: handlerData.response,
       startTimestamp: handlerData.startTimestamp,
-      endTimestamp: handlerData.endTimestamp ?? Date.now(),
+      endTimestamp: handlerData.endTimestamp,
     } satisfies FetchBreadcrumbHint;
 
     client.emit('beforeOutgoingRequestSpan', span, fetchHint);

packages/core/src/types-hoist/breadcrumb.ts

@@ -94,7 +94,7 @@ export interface FetchBreadcrumbHint {
   data?: unknown;
   response?: unknown;
   startTimestamp: number;
-  endTimestamp: number;
+  endTimestamp?: number;
 }
 
 export interface XhrBreadcrumbHint {