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exit-hook

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exit-hook

Run some code when the process exits


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What is exit-hook?

The exit-hook npm package allows developers to easily register callbacks to be executed when a Node.js process exits. This can be particularly useful for cleaning up resources, saving state, or performing other shutdown tasks in a Node.js application.

What are exit-hook's main functionalities?

Registering a simple exit hook

This feature allows you to register a callback function that will be called when the process exits. The code sample demonstrates how to register a simple exit hook that logs a message to the console when the process exits.

const exitHook = require('exit-hook');
exitHook(() => {
  console.log('Process is exiting');
});

Unregistering an exit hook

This feature allows for the deregistration of an exit hook. The code sample shows how to register an exit hook and then later unregister it, preventing the callback from being called when the process exits.

const exitHook = require('exit-hook');
const unsubscribe = exitHook(() => {
  console.log('Process is exiting');
});

// Later in the code, to unregister the hook
disconnect();

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Package last updated on 31 Aug 2023

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