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why-is-node-running

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why-is-node-running

Node is running but you don't know why? why-is-node-running is here to help you.

3.2.2
latest
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What is why-is-node-running?

The why-is-node-running package is a Node.js module that helps developers diagnose why a Node.js process hasn't exited on its own. It provides insights into what operations are keeping the event loop busy, such as open handles, active timers, and other system tasks that may prevent the process from exiting.

What are why-is-node-running's main functionalities?

Logging active handles

This feature allows you to log all active handles that are currently preventing Node.js from exiting. It's useful for identifying potential sources of memory leaks or unintended behavior.

const log = require('why-is-node-running');

// somewhere in your long-running program
log(); // logs out active handles that are keeping node running

Logging with a delay

This feature is similar to the previous one, but it allows you to set a delay before logging the active handles. This can be useful when you want to give your application some time to settle before checking what is still running.

const log = require('why-is-node-running');

setTimeout(function () {
  log(); // logs out active handles after a delay
}, 10000);

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Package last updated on 08 Jan 2025

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