Reference
Errors
Handle stable sently error codes and provider-specific error instances.
All library transport and protocol failures derive from SentlyError; use sentlyCode for stable handling.
import { SentlyError } from "sently/errors";
try {
await mailer.send(message);
} catch (error) {
if (error instanceof SentlyError) console.error(error.sentlyCode);
}Provider error classes also retain provider response details where their transport exposes them.