Function finalizeInit

src/services/analytics/growthbook.ts:637–713

(
      growthBookClient: GrowthBook,
      result: Awaited<ReturnType<GrowthBook['init']>>,
      selectedClientKey: string,
    )

      })

    const finalizeInit = async (
      growthBookClient: GrowthBook,
      result: Awaited<ReturnType<GrowthBook['init']>>,
      selectedClientKey: string,
    ): Promise<void> => {
      // Guard: if this client was replaced by a newer one, skip processing
      if (client !== growthBookClient) {
        if (isInternalBuild()) {
          logForDebugging(
            'GrowthBook: Skipping init callback for replaced client',
          )
        }
        return
      }

      if (isInternalBuild()) {
        logForDebugging(
          `GrowthBook initialized successfully, source: ${result.source}, success: ${result.success}, clientKey: ${selectedClientKey}`,
        )
        if (!result.success) {
          logForDebugging(
            `GrowthBook init failure detail: ${getGrowthBookInitErrorMessage(result.error)}`,
          )
        }
      }

      if (
        isInternalBuild() &&
        !result.success &&
        selectedClientKey !== EXTERNAL_GROWTHBOOK_CLIENT_KEY &&
        isInvalidGrowthBookClientKey(result.error)
      ) {
        logForDebugging(
          `GrowthBook: Client key ${selectedClientKey} rejected by project registry, retrying with external project key`,
        )
        growthBookClient.destroy()
        const fallbackClient = createClient(EXTERNAL_GROWTHBOOK_CLIENT_KEY)
        client = fallbackClient
        const fallbackResult = await fallbackClient.init({ timeout: 5000 })
        await finalizeInit(
          fallbackClient,
          fallbackResult,
          EXTERNAL_GROWTHBOOK_CLIENT_KEY,
        )
        return
      }

      const hadFeatures = await processGrowthBookPayload(growthBookClient)
      // Re-check: processGrowthBookPayload yields at `await setPayload`.
      // Microtask-only today (no encryption, no sticky-bucket service), but
      // the guard at the top of this callback runs before that await;
      // this runs after.
      if (client !== growthBookClient) return

      if (hadFeatures) {
        for (const feature of pendingExposures) {
          logExposureForFeature(feature)
        }