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Gracefully clean up your program at termination with multiple sync and/or async handlers. Wraps the `death` npm module.
diehard
Diehard is a node.js module that helps you gracefully clean up your program at termination with multiple sync and/or async handlers. Wraps the death
npm module.
death
is an incredibly useful module that abstracts out the need to handle the various kinds of termination events, but ultimately only supports a single handler. I've found that in more complex projects you often have multiple loose ends to clean up, and I desired a solution that would allow me to properly isolate the responsibility for cleaning up each individual resource into dedicated handlers that would are run in parallel. diehard
solves that problem.
$ npm install diehard
var diehard = require('diehard');
setInterval(function () {
console.log('Blah blah blah.'); // keeps running until we CTRL+C
}, 250);
diehard.register(function () {
//TODO: clean up some resource
// this is a synchronous handler
});
diehard.register(function (done) {
//TODO: clean up some resource
done(); // async, ftw!
});
diehard.register(function (signal, done) {
//TODO: clean up some resource
// we also have the `signal` that terminated the process here, in case we care
done();
});
diehard.register(function (signal, uncaughtErr, done) {
//TODO: clean up some resource
// if an uncaught error was the reason the process is terminating, we can access that, too
done();
});
diehard.listen();
In the above example, all five termination handlers will be run (in parallel) before the process exits.
FAQs
Gracefully clean up your program at termination with multiple sync and/or async handlers. Wraps the `death` npm module.
The npm package diehard receives a total of 758 weekly downloads. As such, diehard popularity was classified as not popular.
We found that diehard demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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