Class ValueChangeObserver<T>

Type Parameters

T

Index

Constructors

Methods

destroy emit hasSubscribers pause resume subscribe unsubscribe

Constructors

constructor

new ValueChangeObserver<T>(): ValueChangeObserver<T>
Type Parameters
- T
Returns ValueChangeObserver<T>

Methods

destroy

destroy(): void
clear subscription maps

Returns void
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:98

emit

emit(propertyKey: keyof T, newValue: any, oldValue?: any): void
Parameters
- propertyKey: keyof T
- newValue: any
- OptionaloldValue: any
Returns void
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:80

hasSubscribers

hasSubscribers(): boolean
check if this Observer has any subscribers

Returns boolean
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:88
hasSubscribers(propertyKey: keyof T): boolean
check if there is any subscribers registered by the propertyKey.
Parameters
- propertyKey: keyof T
Returns boolean
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:94

pause

pause(propertyKey: keyof T, subscription: ScopeSubscription<T>): void
Parameters
- propertyKey: keyof T
- subscription: ScopeSubscription<T>
Returns void
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:83

resume

resume(propertyKey: keyof T, subscription: ScopeSubscription<T>): void
Parameters
- propertyKey: keyof T
- subscription: ScopeSubscription<T>
Returns void
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:84

subscribe

subscribe(
propertyKey: keyof T,
callback: ValueChangedCallback,
): ScopeSubscription<T>
Parameters
- propertyKey: keyof T
- callback: ValueChangedCallback
Returns ScopeSubscription<T>
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:81

unsubscribe

unsubscribe(propertyKey: keyof T, subscription?: ScopeSubscription<T>): void
Parameters
- propertyKey: keyof T
- Optionalsubscription: ScopeSubscription<T>
Returns void
- Defined in git/aurora/packages/expressions/scope/scope.d.ts:82