import { ShutdownSignal } from '../enums/shutdown-signal.enum'; import { LoggerService } from '../services/logger.service'; import { Abstract } from './abstract.interface'; import { Type } from './type.interface'; /** * Interface defining NestApplicationContext. * * @publicApi */ export interface INestApplicationContext { /** * Allows navigating through the modules tree, for example, to pull out a specific instance from the selected module. * @returns {INestApplicationContext} */ select(module: Type): INestApplicationContext; /** * Retrieves an instance of either injectable or controller, otherwise, throws exception. * @returns {TResult} */ get(typeOrToken: Type | Abstract | string | symbol, options?: { strict: boolean; }): TResult; /** * Resolves transient or request-scoped instance of either injectable or controller, otherwise, throws exception. * @returns {Promise} */ resolve(typeOrToken: Type | Abstract | string | symbol, contextId?: { id: number; }, options?: { strict: boolean; }): Promise; /** * Terminates the application * @returns {Promise} */ close(): Promise; /** * Sets custom logger service * @returns {void} */ useLogger(logger: LoggerService): void; /** * Enables the usage of shutdown hooks. Will call the * `onApplicationShutdown` function of a provider if the * process receives a shutdown signal. * * @returns {this} The Nest application context instance */ enableShutdownHooks(signals?: ShutdownSignal[] | string[]): this; /** * Initalizes the Nest application. * Calls the Nest lifecycle events. * It isn't mandatory to call this method directly. * * @returns {Promise} The NestApplicationContext instance as Promise */ init(): Promise; }