@devteks/exit-hook

Run some code before the process exits

This package is useful for cleaning up before exiting.

how to use

$ npm install @devteks/exit-hook --save

Usage:

import:

const { addExitHook, removeExitHook, clearExitHooks } = require('@devteks/exit-hook');
// OR
import { addExitHook, removeExitHook, clearExitHooks } from '@devteks/exit-hooks';

// addExitHook() return a function to remove the hook
async function main() {
    addExitHook(() => {
        console.log('exit hook1');
    });
    addExitHook(() => {
        console.log('exit hook2');
    });
    // process some thing
    throw new Error('some error');
}

main();
// will print
// 'exit hook1'
// 'exit hook1'

Removing an exit hook:

import { addExitHook } from '@devteks/exit-hooks';

// Returns a function that removes the hook when called.
const unsubscribe = addExitHook(() => {
    // exit hook code
});

unsubscribe();