# 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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