peertube-plugin-livechat/server/lib/middlewares/async.ts
2024-05-23 11:42:14 +02:00

31 lines
1010 B
TypeScript

// SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/>
//
// SPDX-License-Identifier: AGPL-3.0-only
import { eachSeries } from 'async'
import type { NextFunction, Request, RequestHandler, Response } from 'express'
// Syntactic sugar to avoid try/catch in express controllers
// Thanks: https://medium.com/@Abazhenov/using-async-await-in-express-with-node-8-b8af872c0016
export type RequestPromiseHandler = ((req: Request, res: Response, next: NextFunction) => Promise<any>)
function asyncMiddleware (fun: RequestPromiseHandler | RequestPromiseHandler[]): RequestHandler {
return (req: Request, res: Response, next: NextFunction) => {
if (Array.isArray(fun)) {
eachSeries(fun as RequestHandler[], (f, cb) => {
Promise.resolve(f(req, res, (err: any) => cb(err)))
.catch(err => next(err))
}, next)
return
}
Promise.resolve((fun as RequestHandler)(req, res, next))
.catch(err => next(err))
}
}
export {
asyncMiddleware
}