NODE-UTILS-KIT

Modern, lightweight utilities for building Node.js APIs with clean error handling and predictable responses.

Includes:

ApiError ApiResponse asyncHandler errorHandler

Designed for framework-agnostic usage (Express, Fastify, custom Node servers).

Framework Compatibility

Node Utils Kit is not tied to any framework and can be used with any framework : express : Fastify : Custom Node JS Application

Design Principles

1 . Framework-agnostic 2 . Type-safe by default 3 . Minimal surface area 4 . Predictable behavior 5 . Production-ready utilities

INSTALLATION

npm install node-utils-kit

USAGE

const { asyncHandler } = require("node-utils-kit");

API

ApiResponse

const response = new ApiResponse(200, { message: "success" });

ApiError

const error = new ApiError(400, "Bad Request");

errorHandler

const errorHandler = require("node-utils-kit").errorHandler;

Examples

import {ApiError , AsyncHandler} from "node-utils-kit"; app.get("/user",AsyncHandler(async(req,res)=>{ const user = null ; if(!user){ throw new ApiError(404,"User Not Found"); } res.json(user); })) import {errorHandler} from "node-utils-kit";

try{ throw new ApiError(401,"Unauthorized"); }catch(error){ errorHandler(error , req , res , next); }

LICENSE

MIT License

Copyright (c) 2025 Praveen Kumar