express-mongo-boilerplate-generator/test-project/src/utils/appError.js

A production-ready boilerplate generator for Express.js and MongoDB with service layer architecture and Joi validation

class AppError extends Error {
  constructor(message, statusCode) {
    super(message);
    
    this.statusCode = statusCode;
    this.status = `${statusCode}`.startsWith('4') ? 'fail' : 'error';
    this.isOperational = true;
    
    Error.captureStackTrace(this, this.constructor);
  }
}

module.exports = AppError;