http-errors-enhanced

import { HttpError, NotFoundError, createError } from 'http-errors-enhanced'; // Demonstrate creating a generic HTTP error with a numeric status code and custom properties const genericError = new HttpError(400, 'Invalid request parameters.', { requestId: 'abc-123', details: 'Missing required field: userId' }); console.log('Generic Error:', genericError.status, genericError.message, genericError.requestId); // Demonstrate creating a specific HTTP error by its class name, with custom message and properties const notFoundError = new NotFoundError('Resource /users/123 not found.', { resource: '/users/123', userId: 'non-existent' }); console.log('Not Found Error:', notFoundError.status, notFoundError.error, notFoundError.resource); // Demonstrate using the createError factory function with a string identifier and properties const badGatewayError = createError('BadGateway', { upstreamService: 'payment-gateway', responseCode: 502, message: 'Failed to connect to payment service.' }); console.log('Bad Gateway Error:', badGatewayError.status, badGatewayError.errorPhrase, badGatewayError.upstreamService); // Example of accessing built-in properties like isClientError if (genericError.isClientError) { console.log('This is a client error and can potentially be exposed to the client.'); } // You can also add a cause to errors (supported since v3.0.0) const originalDbError = new Error('Database connection failed due to network timeout.'); const internalServerError = new HttpError(500, 'An unexpected error occurred processing your request.', { transactionId: 'xyz-456' }, { cause: originalDbError }); console.log('Internal Server Error with cause:', internalServerError.cause?.message);