Function createProfilePayload

packages/browser/src/profiling/utils.ts:145–212

(
  profile_id: string,
  start_timestamp: number | undefined,
  processed_profile: JSSelfProfile,
  event: ProfiledEvent,
)

 * Creates a profiling event envelope from a Sentry event.
 */
export function createProfilePayload(
  profile_id: string,
  start_timestamp: number | undefined,
  processed_profile: JSSelfProfile,
  event: ProfiledEvent,
): Profile {
  if (event.type !== 'transaction') {
    // createProfilingEventEnvelope should only be called for transactions,
    // we type guard this behavior with isProfiledTransactionEvent.
    throw new TypeError('Profiling events may only be attached to transactions, this should never occur.');
  }

  if (processed_profile === undefined || processed_profile === null) {
    throw new TypeError(
      `Cannot construct profiling event envelope without a valid profile. Got ${processed_profile} instead.`,
    );
  }

  const traceId = getTraceId(event);
  const enrichedThreadProfile = enrichWithThreadInformation(processed_profile);
  const transactionStartMs = start_timestamp
    ? start_timestamp
    : typeof event.start_timestamp === 'number'
      ? event.start_timestamp * 1000
      : timestampInSeconds() * 1000;
  const transactionEndMs = typeof event.timestamp === 'number' ? event.timestamp * 1000 : timestampInSeconds() * 1000;

  const profile: Profile = {
    event_id: profile_id,
    timestamp: new Date(transactionStartMs).toISOString(),
    platform: 'javascript',
    version: '1',
    release: event.release || '',
    environment: event.environment || DEFAULT_ENVIRONMENT,
    runtime: {
      name: 'javascript',
      version: WINDOW.navigator.userAgent,
    },
    os: {
      name: OS_PLATFORM,
      version: OS_PLATFORM_VERSION,
      build_number: OS_BROWSER,
    },
    device: {
      locale: OS_LOCALE,
      model: OS_MODEL,
      manufacturer: OS_BROWSER,
      architecture: OS_ARCH,
      is_emulator: false,
    },
    debug_meta: {
      images: applyDebugMetadata(processed_profile.resources),
    },
    profile: enrichedThreadProfile,
    transactions: [
      {
        name: event.transaction || '',
        id: event.event_id || uuid4(),