UNPKG

graphdb-workbench

Version:
35 lines (34 loc) 1.73 kB
import { ContextService } from '../context'; import { DeriveContextServiceContract } from '../../models/context/update-context-method'; import { ValueChangeCallback } from '../../models/context/value-change-callback'; import { LifecycleState } from '../../models/app-lifecycle'; type LifecycleDataContextFields = { readonly APPLICATION_DATA_STATE: string; }; type LifecycleDataContextFieldParams = { readonly APPLICATION_DATA_STATE: LifecycleState; }; /** * Service responsible for emitting and subscribing to application lifecycle events. * This service provides a centralized way to track and respond to key moments in the * application's lifecycle, such as when data is loaded */ export declare class ApplicationLifecycleContextService extends ContextService<LifecycleDataContextFields> implements DeriveContextServiceContract<LifecycleDataContextFields, LifecycleDataContextFieldParams> { readonly APPLICATION_DATA_STATE = "applicationDataLoaded"; /** * Updates the application data state in the context. * * @param state - The lifecycle state to set for the application data * @returns void */ updateApplicationDataState(state: LifecycleState): void; /** * Registers a callback function to be invoked when the application data state changes. * * @param callbackFn - The function to be called when the application data state changes. * The function will receive the new state value as its parameter. * @returns A function that, when called, will unsubscribe the callback from further notifications */ onApplicationDataStateChanged(callbackFn: ValueChangeCallback<LifecycleState | undefined>): () => void; } export {};