Function onGrowthBookRefresh

src/services/analytics/growthbook.ts:139–157

(
  listener: GrowthBookRefreshListener,
)

 * use isEqual against your last-seen config to decide whether to act.
 */
export function onGrowthBookRefresh(
  listener: GrowthBookRefreshListener,
): () => void {
  let subscribed = true
  const unsubscribe = refreshed.subscribe(() => callSafe(listener))
  if (remoteEvalFeatureValues.size > 0) {
    queueMicrotask(() => {
      // Re-check: listener may have been removed, or resetGrowthBook may have
      // cleared the Map, between registration and this microtask running.
      if (subscribed && remoteEvalFeatureValues.size > 0) {
        callSafe(listener)
      }
    })
  }
  return () => {
    subscribed = false
    unsubscribe()
  }
}

/**
 * Parse env var overrides for GrowthBook features.