Type Alias UpdateCallback<Value, Params>

UpdateCallback: (
params: Params,
previousResolvedValue: Value | undefined,
) => AllowNoUpdate<MaybePromise<ExcludeNoUpdate<Value>>>

Type for update callback provided to CallbackObservable, used to update its value.

Type Parameters

Value
Params

Type declaration

- (
  params: Params,
  previousResolvedValue: Value | undefined,
  ): AllowNoUpdate<MaybePromise<ExcludeNoUpdate<Value>>>
- Parameters
  - params: Params
  - previousResolvedValue: Value | undefined
  Returns AllowNoUpdate<MaybePromise<ExcludeNoUpdate<Value>>>