response-messages

A simple utility library to generate standardized HTTP response messages for Node.js applications and microservices.

Features

• ✅ Easily create consistent success and error response messages
• 📦 Supports adding optional payload data and metadata
• ⚡ Lightweight and zero dependencies
• 🌐 Ideal for REST APIs, socket servers, and general HTTP responses

Installation

npm install response-messages

Usage

import { ResponseMessages } from "response-messages";

// Success response with data
const successResponse = responseMessages.success("Operation successful", { id: 123, name: "John" });

// Error response with details
const errorResponse = responseMessages.error("Something went wrong", { code: "E500", debugInfo: "Database timeout" });

console.log(successResponse);
console.log(errorResponse);

API

success(message: string, data?: object): object

Creates a standardized success response object.

Parameters:

• message — A descriptive success message
• data (optional) — Additional data payload

error(message: string, details?: object): object

Creates a standardized error response object.

Parameters:

• message — Error description
• details (optional) — Error metadata or debug information

Example Output

responseMessages.success("User created", { id: 1 });
/*
{
  status: "success",
  message: "User created",
  data: { id: 1 }
}
*/

responseMessages.error("Validation failed", { field: "email" });
/*
{
  status: "error",
  message: "Validation failed",
  details: { field: "email" }
}
*/

Contributing

Contributions, issues and feature requests are welcome! Feel free to check the issues on GitHub.

License

MIT License