Function isRetryableError

apps/sim/lib/knowledge/documents/utils.ts:47–93

(error: unknown)

 * Default retry condition for rate limiting errors
 */
export function isRetryableError(error: unknown): boolean {
  if (!isRetryableErrorType(error)) return false

  // Check for rate limiting status codes
  if (
    hasStatus(error) &&
    (error.status === 429 || error.status === 502 || error.status === 503 || error.status === 504)
  ) {
    return true
  }

  // Check for network-level errors (DNS, connection, timeout)
  const errorMessage = toError(error).message
  const lowerMessage = errorMessage.toLowerCase()

  const networkKeywords = [
    'fetch failed',
    'econnreset',
    'econnrefused',
    'etimedout',
    'enetunreach',
    'socket hang up',
    'network error',
    // Transient DNS resolution failure surfaced by secureFetchWithValidation
    // before the request is made. The deterministic "resolves to a blocked IP
    // address" security rejection is a distinct message and stays non-retryable.
    'could not be resolved',
  ]

  if (networkKeywords.some((keyword) => lowerMessage.includes(keyword))) {
    return true
  }

  // Check for rate limiting in error messages
  const rateLimitKeywords = [
    'rate limit',
    'rate_limit',
    'too many requests',
    'quota exceeded',
    'throttled',
    'retry after',
    'temporarily unavailable',
    'service unavailable',
  ]

  return rateLimitKeywords.some((keyword) => lowerMessage.includes(keyword))
}

/**
 * Executes a function with exponential backoff retry logic