latencyjs v1.0.1

🚀 LatencyJS - Track API Performance & Identify Slow Requests

⚡ Introduction

latencyjs is a lightweight middleware for Express.js that tracks API response times and logs slow requests using Winston. It helps in identifying performance bottlenecks in your application.

🎯 Features

✅ Track API Response Times
✅ Customizable Threshold (in milliseconds)
✅ Logs Slow Requests with Warning Highlight
✅ Lightweight & Easy to Use
✅ Works Seamlessly with Express.js

📦 Installation

npm install latencyjs

🚀 Usage Basic Setup Add latencyjs middleware to your Express app:

const express = require("express");
const latency = require("latencyjs");

const app = express();
const PORT = 3000;

// Use latencyjs middleware with a threshold of 200ms
app.use(latency(500));

app.get("/", (req, res) => {
  setTimeout(() => res.send("Hello, World!"), 550); // Simulating a slow response
});

app.listen(PORT, () => console.log(`🚀 Server running on port ${PORT}`));

Custom Threshold You can customize the threshold (default: 100ms):

app.use(latency(500)); // Logs requests taking longer than 500ms

📝 Example Log Output

 Slow Request found => GET:/ took: 550.08 milliseconds

🔥 Why Use LatencyJS? Performance Monitoring: Quickly identify slow endpoints Customizable Logging: Easily adjust the threshold Zero Configuration Required: Just plug and play 🌟 Contributing We welcome contributions! Feel free to submit issues or PRs.

Buy Me a Coffee

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Every contribution helps keep the project alive and encourages further improvements.

📜 License This project is MIT Licensed.