Function isCosmosStatus

packages/infra/src/WorkflowEngineCosmos.ts:125–128

(u: unknown, code: number)

// returning the status code (only `read` and batch ops surface codes), so OCC
// conflicts must be matched on the thrown error — mirrors ClusterCosmos.
const isCosmosStatus = (u: unknown, code: number): boolean =>
  Cause.isUnknownError(u)
    ? isCosmosStatus(u.cause, code)
    : typeof u === "object" && u !== null && "code" in u && u.code === code

const isOptimisticError = (u: unknown) => isCosmosStatus(u, 409) || isCosmosStatus(u, 412) || isCosmosStatus(u, 404)