server/middlewares/async.ts

   1 import { Request, Response, NextFunction } from 'express'
   2
   3 // Syntactic sugar to avoid try/catch in express controllers
   4 // Thanks: https://medium.com/@Abazhenov/using-async-await-in-express-with-node-8-b8af872c0016
   5 function asyncMiddleware (fn: (req: Request, res: Response, next: NextFunction) => Promise<any>) {
   6   return (req: Request, res: Response, next: NextFunction) => {
   7     return Promise.resolve(fn(req, res, next))
   8       .catch(next)
   9   }
  10 }
  11
  12 // ---------------------------------------------------------------------------
  13
  14 export {
  15   asyncMiddleware
  16 }