Function decodePrefixPosition

packages/core/src/runtime-boundary.ts:383–400

(value: unknown)

}

function decodePrefixPosition(value: unknown): RuntimePrefixPositionV1 {
  if (
    !isRecord(value) ||
    !hasExactKeys(value, ['lastEventSeq', 'eventCount', 'lastEventId']) ||
    !Number.isSafeInteger(value.lastEventSeq) ||
    (value.lastEventSeq as number) <= 0 ||
    !Number.isSafeInteger(value.eventCount) ||
    value.eventCount !== value.lastEventSeq ||
    !isNonEmptyString(value.lastEventId)
  ) {
    throw new Error('Invalid RuntimeEvent prefix position');
  }
  return {
    lastEventSeq: value.lastEventSeq as number,
    eventCount: value.eventCount as number,
    lastEventId: value.lastEventId,
  };
}

function decodeBoundaryDigest(value: unknown): RuntimeBoundaryDigest {
  if (typeof value !== 'string' || !/^sha256:[0-9a-f]{64}$/.test(value)) {