isViewModel

API / isViewModel function

Checkes whether the provided instance is a view model (implements INotifyPropertiesChanged).

function isViewModel<TViewModel extends INotifyPropertiesChanged = INotifyPropertiesChanged>(
  maybeViewModel: any
): maybeViewModel is TViewModel

Source reference: src/viewModels/isViewModel.ts:10.

Generic Parameters

• TViewModel - The type of view model to check, defaults to INotifyPropertiesChanged.

  Type constraints: INotifyPropertiesChanged.
  Default value: INotifyPropertiesChanged.

Parameters

• maybeViewModel: any
  The value to check if is a view model.

Returns: maybeViewModel is TViewModel

Returns true if the provided instance implements INotifyPropertiesChanged; otherwise false.