Function createCancellablePromise

createCancellablePromise<T>(
    promise: Promise<T>,
    signal?: CancelSignal,
    cancelledError?: Error,
): Promise<T>
Create a cancellable promise. If a signal is provided, the promise will be rejected with a DurableTaskCancelledError if the signal is cancelled.
Type Parameters
- T
Parameters
- promise: Promise<T>
  The promise to cancel.
- Optionalsignal: CancelSignal
  A signal to cancel the promise.
- OptionalcancelledError: Error
  An optional error to use when the promise is cancelled. If not provided, a DurableTaskCancelledError will be used. If the error is a DurableTaskError, it will be returned as is, otherwise a DurableTaskCancelledError will be created with the error message.
Returns Promise<T>
A promise that will be rejected with a DurableTaskCancelledError if the signal is cancelled.
Example
```
const [cancelSignal, cancel] = createCancelSignal()
const promise = createCancellablePromise(doSomething(), cancelSignal)

cancel() // Cancels the promise if it is not already resolved
```
- Defined in durable-execution/src/cancel.ts:161