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# p-finally [![Build Status](https://travis-ci.org/sindresorhus/p-finally.svg?branch=master)](https://travis-ci.org/sindresorhus/p-finally)
> [`Promise#finally()`](https://github.com/tc39/proposal-promise-finally) [ponyfill](https://ponyfill.com) - Invoked when the promise is settled regardless of outcome
Useful for cleanup.
## Install
```
$ npm install p-finally
```
## Usage
```js
const pFinally = require('p-finally');
const directory = createTempDirectory();
(async () => {
await pFinally(write(directory), () => {
cleanup(directory);
});
});
```
## API
### pFinally(promise, onFinally?)
Returns a `Promise`.
#### onFinally
Type: `Function`
Note: Throwing or returning a rejected promise will reject `promise` with the rejection reason.
## Related
- [p-try](https://github.com/sindresorhus/p-try) - `Promise.try()` ponyfill - Starts a promise chain
- [Moreā¦](https://github.com/sindresorhus/promise-fun)
---
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