46 lines
1.5 KiB
TypeScript
46 lines
1.5 KiB
TypeScript
import { NextFunction, Request, Response } from "express";
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import { HTTPError } from "lambert-server";
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import { EntityNotFoundError } from "typeorm";
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import { FieldError } from "../util/instanceOf";
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import { ApiError } from "@fosscord/util";
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export function ErrorHandler(error: Error, req: Request, res: Response, next: NextFunction) {
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if (!error) return next();
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try {
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let code = 400;
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let httpcode = code;
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let message = error?.toString();
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let errors = undefined;
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if (error instanceof HTTPError && error.code) code = httpcode = error.code;
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else if (error instanceof ApiError) {
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code = error.code;
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message = error.message;
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httpcode = error.httpStatus;
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} else if (error instanceof EntityNotFoundError) {
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message = `${(error as any).stringifyTarget || "Item"} could not be found`;
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code = 404;
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} else if (error instanceof FieldError) {
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code = Number(error.code);
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message = error.message;
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errors = error.errors;
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} else {
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console.error(`[Error] ${code} ${req.url}\n`, errors || error, "\nbody:", req.body);
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if (req.server?.options?.production) {
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// don't expose internal errors to the user, instead human errors should be thrown as HTTPError
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message = "Internal Server Error";
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}
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code = httpcode = 500;
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}
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if (httpcode > 511) httpcode = 400;
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res.status(httpcode).json({ code: code, message, errors });
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} catch (error) {
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console.error(`[Internal Server Error] 500`, error);
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return res.status(500).json({ code: 500, message: "Internal Server Error" });
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}
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}
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