OpenAuth_server/src/api/middlewares/stacker.ts

29 lines
810 B
TypeScript

import { Request, Response, NextFunction, RequestHandler } from "express";
import promiseMiddleware from "../../helper/promiseMiddleware";
type RH = (req: Request, res: Response, next?: NextFunction) => any;
function call(handler: RH, req: Request, res: Response) {
return new Promise((yes, no) => {
let p = handler(req, res, (err) => {
if (err) no(err);
else yes();
});
if (p && p.catch) p.catch((err) => no(err));
});
}
const Stacker = (...handler: RH[]) => {
return promiseMiddleware(
async (req: Request, res: Response, next: NextFunction) => {
let hc = handler.concat();
while (hc.length > 0) {
let h = hc.shift();
await call(h, req, res);
}
next();
}
);
};
export default Stacker;