sprinklers3/server/express/errorHandler.ts

import * as express from "express";

import ApiError from "@common/ApiError";

const errorHandler: express.ErrorRequestHandler =
    (err: any, req: express.Request, res: express.Response, next: express.NextFunction) => {
        if (err instanceof ApiError) {
            res.status(err.statusCode).json(err.toJSON());
        } else {
            next(err);
        }
    };

export default errorHandler;