import express, { Application } from "express"; import cors, { CorsOptions } from "cors"; export default class Server { constructor(app: Application) { this.config(app); } private config(app: Application): void { const corsOptions: CorsOptions = { origin: "http://localhost:8081" }; app.use(cors(corsOptions)); app.use(express.json()); app.use(express.urlencoded({ extended: true })); } }