koa-router与koa-send作为静态服务器

import {Context} from "koa";
import * as Router from 'koa-router';
import * as send from 'koa-send';

import pagesPathRoot from '../../../resources/pages/pages-root';
import * as path from "path";

let router: Router = new Router();


router.get(
    "/simple/menu/:idWithPath+",
    async (context: Context) =>
    {
        let relativePath: string = context.request.path.substring(
            context.request.path.search(
                context.params.idWithPath.split('/')[0]
            ) + context.params.idWithPath.split('/')[0].length
        );
        if (relativePath === "") relativePath = "/";
        
        await send(
            context, relativePath, {
                root: path.join(pagesPathRoot, "simple/menu"),
                index: "index.html"
            }
        );
        
        console.log(pagesPathRoot);
    }
);

export default router.routes();