RESTyped route defintion

server.ts

import RestypedRouter from 'restyped-express-async'
import {MyAPI} from './MyAPI' // <- Your API's RESTyped defintion
import * as express from 'express'

const app = express()
const router = RestypedRouter<MyAPI>(app)

// TS compile error if you declare a route that doesn't exist in your API defintion
router.post('/login', async req => {
  // Error if you try to access non-existent body properties
  const {username, password, twoFactorPin} = req.body
  //     ^ string  ^ string  ^ number

  const accessToken = await User.login(username, password, twoFactorPin)

  // Error if you don't return the specified response type
  return accessToken
})