import { IError } from '../interfaces/error.interface'; import { IRequest } from '../interfaces/request.interface'; import { IResponse } from '../interfaces/response.interface'; export type Handler = (req: IRequest, res: IResponse) => void | Promise; export type ErrorHandler = (req: IRequest | null, res: IResponse, err?: Error, next?: (err?: IError) => void | Promise) => void | Promise; export type Middleware = (req: IRequest, res: IResponse, next: (err?: IError) => void | Promise) => void | Promise;