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48 lines
949 B
Markdown
48 lines
949 B
Markdown
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# p-finally [](https://travis-ci.org/sindresorhus/p-finally)
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> [`Promise#finally()`](https://github.com/tc39/proposal-promise-finally) [ponyfill](https://ponyfill.com) - Invoked when the promise is settled regardless of outcome
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Useful for cleanup.
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## Install
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```
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$ npm install --save p-finally
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```
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## Usage
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```js
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const pFinally = require('p-finally');
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const dir = createTempDir();
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pFinally(write(dir), () => cleanup(dir));
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```
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## API
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### pFinally(promise, [onFinally])
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Returns a `Promise`.
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#### onFinally
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Type: `Function`
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Note: Throwing or returning a rejected promise will reject `promise` with the rejection reason.
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## Related
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- [p-try](https://github.com/sindresorhus/p-try) - `Promise#try()` ponyfill - Starts a promise chain
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- [More…](https://github.com/sindresorhus/promise-fun)
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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