fix: Use dateTimestampInSeconds instead of Date.now

Author: kamilogorek

packages/browser/src/transports/base.ts

@@ -8,7 +8,7 @@ import {
   Transport,
   TransportOptions,
 } from '@sentry/types';
-import { logger, parseRetryAfterHeader, PromiseBuffer, SentryError } from '@sentry/utils';
+import { dateTimestampInSeconds, logger, parseRetryAfterHeader, PromiseBuffer, SentryError } from '@sentry/utils';
 
 const CATEGORY_MAPPING: {
   [key in SentryRequestType]: string;
@@ -113,7 +113,7 @@ export abstract class BaseTransport implements Transport {
       type: 'client_report',
     });
     const item = JSON.stringify({
-      timestamp: Date.now(),
+      timestamp: dateTimestampInSeconds(),
       discarded_events: Object.keys(outcomes).map(key => {
         const [category, reason] = key.split(':');
         return {

packages/browser/test/unit/transports/base.test.ts

@@ -20,7 +20,7 @@ describe('BaseTransport', () => {
           return visibilityState;
         },
       });
-      jest.spyOn(Date, 'now').mockImplementation(() => 1337);
+      jest.spyOn(Date, 'now').mockImplementation(() => 12345);
     });
 
     beforeEach(() => {
@@ -53,7 +53,7 @@ describe('BaseTransport', () => {
 
       expect(sendBeaconSpy).toHaveBeenCalledWith(
         envelopeEndpoint,
-        `{}\n{"type":"client_report"}\n{"timestamp":1337,"discarded_events":${JSON.stringify(outcomes)}}`,
+        `{}\n{"type":"client_report"}\n{"timestamp":12.345,"discarded_events":${JSON.stringify(outcomes)}}`,
       );
     });
 
@@ -89,7 +89,7 @@ describe('BaseTransport', () => {
 
       expect(sendBeaconSpy).toHaveBeenCalledWith(
         envelopeEndpoint,
-        `{}\n{"type":"client_report"}\n{"timestamp":1337,"discarded_events":${JSON.stringify(outcomes)}}`,
+        `{}\n{"type":"client_report"}\n{"timestamp":12.345,"discarded_events":${JSON.stringify(outcomes)}}`,
       );
     });
   });