Function refreshGrowthBookFeatures

src/services/analytics/growthbook.ts:1027–1078

()

 * this preserves client state and just fetches fresh feature values.
 */
export async function refreshGrowthBookFeatures(): Promise<void> {
  if (!isGrowthBookEnabled()) {
    return
  }

  try {
    const growthBookClient = await initializeGrowthBook()
    if (!growthBookClient) {
      return
    }

    await growthBookClient.refreshFeatures()

    // Guard: if this client was replaced during the in-flight refresh
    // (e.g. refreshGrowthBookAfterAuthChange ran), skip processing the
    // stale payload. Mirrors the init-callback guard above.
    if (growthBookClient !== client) {
      if (process.env.USER_TYPE === 'ant') {
        logForDebugging(
          'GrowthBook: Skipping refresh processing for replaced client',
        )
      }
      return
    }

    // Rebuild remoteEvalFeatureValues from the refreshed payload so that
    // _BLOCKS_ON_INIT callers (e.g. getMaxVersion for the auto-update kill
    // switch) see fresh values, not the stale init-time snapshot.
    const hadFeatures = await processRemoteEvalPayload(growthBookClient)
    // Same re-check as init path: covers the setPayload yield inside
    // processRemoteEvalPayload (the guard above only covers refreshFeatures).
    if (growthBookClient !== client) return

    if (process.env.USER_TYPE === 'ant') {
      logForDebugging('GrowthBook: Light refresh completed')
    }

    // Gate on hadFeatures: if the payload was empty/malformed,
    // remoteEvalFeatureValues wasn't rebuilt — skip both the no-op disk
    // write and the spurious subscriber churn (clearCommandMemoizationCaches
    // + getCommands + 4× model re-renders).
    if (hadFeatures) {
      syncRemoteEvalToDisk()
      refreshed.emit()
    }
  } catch (error) {
    if (process.env.NODE_ENV === 'development') {
      throw error
    }
    logError(toError(error))
  }
}

/**
 * Set up periodic refresh of GrowthBook features.