core.readablepromise.catch | Medplum
ReadablePromise.catch() method
Attaches a callback for only the rejection of the Promise.
Signature:
catch<TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null): Promise<T | TResult>;
Parameters
| Parameter | Type | Description |
|---|---|---|
| onrejected | ((reason: any) => TResult | PromiseLike |
(Optional) The callback to execute when the Promise is rejected. |
Returns:
Promise<T | TResult>
A Promise for the completion of the callback.