pangolin/server/middlewares/formatError.ts

import { ErrorRequestHandler, NextFunction, Response } from "express";
import ErrorResponse from "@server/types/ErrorResponse";
import HttpCode from "@server/types/HttpCode";
import logger from "@server/logger";
import environment from "@server/environment";

export const errorHandlerMiddleware: ErrorRequestHandler = (
    error,
    req,
    res: Response<ErrorResponse>,
    next: NextFunction,
) => {
    const statusCode = error.statusCode || HttpCode.INTERNAL_SERVER_ERROR;
    if (environment.ENVIRONMENT !== "prod") {
        logger.error(error);
    }
    res?.status(statusCode).send({
        data: null,
        success: false,
        error: true,
        message: error.message || "Internal Server Error",
        status: statusCode,
        stack: environment.ENVIRONMENT === "prod" ? null : error.stack,
    });
};