Function getFeatureValueInternal

src/services/analytics/growthbook.ts:670–713

* Get a feature value with a default fallback - blocks until initialized. * @internal Used by both deprecated and cached functions.

(
  feature: string,
  defaultValue: T,
  logExposure: boolean,
)

 * @internal Used by both deprecated and cached functions.
 */
async function getFeatureValueInternal<T>(
  feature: string,
  defaultValue: T,
  logExposure: boolean,
): Promise<T> {
  // Check env var overrides first (for eval harnesses)
  const overrides = getEnvOverrides()
  if (overrides && feature in overrides) {
    return overrides[feature] as T
  }
  const configOverrides = getConfigOverrides()
  if (configOverrides && feature in configOverrides) {
    return configOverrides[feature] as T
  }

  if (!isGrowthBookEnabled()) {
    return defaultValue
  }

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

  // Use cached remote eval values if available (workaround for SDK bug)
  let result: T
  if (remoteEvalFeatureValues.has(feature)) {
    result = remoteEvalFeatureValues.get(feature) as T
  } else {
    result = growthBookClient.getFeatureValue(feature, defaultValue) as T
  }

  // Log experiment exposure using stored experiment data
  if (logExposure) {
    logExposureForFeature(feature)
  }

  if (process.env.USER_TYPE === 'ant') {
    logForDebugging(
      `GrowthBook: getFeatureValue("${feature}") = ${jsonStringify(result)}`,
    )
  }
  return result
}

/**
 * @deprecated Use getFeatureValue_CACHED_MAY_BE_STALE instead, which is non-blocking.