Overview
Observer grouping contracts and helper types.
API Reference
ObserverGroupclass
Composes multiple observers and emits a single unified change stream.
Import
import { ObserverGroup } from '@rs-x/state-manager';Example
import { ObserverGroup } from '@rs-x/state-manager';
const instance = new ObserverGroup(...args);Members
8 members in this class.
constructor
constructorpublic
constructor(
owner: IDisposableOwner | undefined,
target: unknown,
initialValue: unknown,
mustHandleChange: ((change: IPropertyChange) => boolean) | undefined,
private readonly _errorLog: IErrorLog,
id?: unknown,
private readonly getRootObserver?: () => IObserver | undefined,
private readonly _observeRootObserver?: boolean
)Parameters
| Name | Type | Required |
|---|---|---|
| owner | IDisposableOwner | undefined | required |
| target | unknown | required |
| initialValue | unknown | required |
| mustHandleChange | ((change: IPropertyChange) | required |
_parent
propertyprotected
protected _parent: ObserverGroup | undefinedType
ObserverGroup | undefined
addObservers
methodpublic
public addObservers(observers: IObserver[]): ObserverGroupParameters
| Name | Type | Required |
|---|---|---|
| observers | IObserver[] | required |
Returns
ObserverGroup
emitValue
methodpublic
public emitValue(newValue: unknown): voidParameters
| Name | Type | Required |
|---|---|---|
| newValue | unknown | required |
Returns
void
init
methodpublic
public override init(): voidParameters
No parameters.
Returns
void
removeObserver
methodpublic
public removeObserver(
target: unknown,
id: unknown
): voidParameters
| Name | Type | Required |
|---|---|---|
| target | unknown | required |
| id | unknown | required |
Returns
void
replaceObservers
methodpublic
public replaceObservers(observers: IObserver[]): voidParameters
| Name | Type | Required |
|---|---|---|
| observers | IObserver[] | required |
Returns
void
disposeInternal
methodprotected
protected override disposeInternal(): voidParameters
No parameters.
Returns
void