Creates an instance of UmbStateManager.
Protected
_Observable that emits all states in the state manager
Observable that emits true if there are no states in the state manager
Observable that emits true if there are any states in the state manager
Readonly
isObservable that emits true if the state is read-only
The addEventListener()
method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.
Optional
options: boolean | AddEventListenerOptionsCallback method called when context is resolved.
Reference to the created Context Consumer Controller instance
The dispatchEvent()
method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order.
Optional
options: UmbClassGetContextOptionsA Promise with the reference to the Context Api Instance
Get all states from the state manager
{StateType[]} All states in the state manager
An Observable to observe from.
Optional
callback: ObserverCallback<SpecificT>Callback method called when data is changed.
Optional
controllerAlias: null | UmbControllerAliasDefine an explicit controller alias. If not defined then one will be generated based on the callback function. If null is parsed no controller alias will be given.
Reference to the created Observer Controller instance.
The API instance to be exposed.
Reference to the created Context Provider Controller instance
The removeEventListener()
method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target.
Optional
options: boolean | EventListenerOptions
A State Manager to manage read-only states.
Export
UmbReadOnlyStateManager