Interface: IWatchedValueReadonly<T>

Broker.IWatchedValueReadonly

Type parameters

Name
T

Hierarchy

• IObservableValueReadOnly<T>

  ↳ IWatchedValueReadonly

  ↳↳ IWatchedValue

Methods

subscribe

subscribe(callback, options?): void

Subscribe to watched value changes

Parameters

Name	Type	Description
callback	(value: T) => void	callback to be evoked when change occurs
options?	WatchedValueSubscribeOptions	watch subscriber options

Returns

void

Overrides

IObservableValueReadOnly.subscribe

---

unsubscribe

unsubscribe(callback?): void

Unsubscribe to watched value changes

Parameters

Name	Type	Description
callback?	(value: T) => void	callback to remove

Returns

void

Overrides

IObservableValueReadOnly.unsubscribe

---

value

value(): T

Value

Returns

T

Inherited from

IObservableValueReadOnly.value

---

when

when(callback): void

A simplified version of subscription, with promise-like interface, generally for using with boolean-valued watched values

Parameters

Name	Type	Description
callback	WatchedValueCallback<T>	a function to be called when the value became true. once and callWithLast are implicitly set to true.