POC: Spring style annotations in TypeScript

UserController.ts

// Copyright (c) 2020 Sendanor. All rights reserved.

import Request from "../../core/Request";
import UserService, {UserModel} from "./UserService";

export interface ListDTO<T> {

    pageNumber : number;
    pageSize   : number;
    content    : Array<T>;

}

@Request.mapping('/foo/users')
@Request.mapping('/users')
export class UserController {

    private readonly _userService : UserService;

    constructor (userService : UserService) {
        this._userService = userService;
    }

    @Request.mapping(Request.Method.GET, '/', '/list')
    getUserList (
        @Request.param('p', Request.ParamType.INTEGER)
            pageNumber : number = 0,
        @Request.param('l', Request.ParamType.INTEGER)
            pageSize : number = 10
    ) : ListDTO<UserModel> {

        // const parsedPageNumber = pageNumber ? parseInt(pageNumber, 10) : 0;
        // const parsedPageSize   = pageSize   ? parseInt(pageSize, 10)   : 10;

        return {
            pageNumber: pageNumber,
            pageSize: pageSize,
            content: this._userService.getUserList(pageNumber, pageSize)
        };

    }

}

export default UserController;