trapx/dist/middleware/errorHandler.js

A plug-and-play middleware for standardized error handling in TypeScript-based Express.js applications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createErrorHandler = createErrorHandler;
const BaseError_1 = require("../errors/BaseError");
function createErrorHandler(options = {}) {
    const { includeStackTrace = process.env.NODE_ENV === 'development', logError = console.error, transformError, } = options;
    return (error, req, res, _next) => {
        logError(error);
        let processedError;
        if (error instanceof BaseError_1.BaseError) {
            processedError = error;
        }
        else {
            processedError = transformError?.(error) || {
                message: 'Internal Server Error',
                statusCode: 500,
                code: 'INTERNAL_SERVER_ERROR',
                isOperational: false,
            };
        }
        const response = {
            success: false,
            error: {
                message: processedError.message || 'Internal Server Error',
                code: processedError.code || 'INTERNAL_SERVER_ERROR',
                ...(processedError.details && { details: processedError.details }),
                ...(includeStackTrace && { stack: error.stack }),
            },
        };
        res.status(processedError.statusCode || 500).json(response);
    };
}