48 lines
949 B
Markdown
48 lines
949 B
Markdown
# p-finally [](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 --save p-finally
|
|
```
|
|
|
|
|
|
## Usage
|
|
|
|
```js
|
|
const pFinally = require('p-finally');
|
|
|
|
const dir = createTempDir();
|
|
|
|
pFinally(write(dir), () => cleanup(dir));
|
|
```
|
|
|
|
|
|
## 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
|
|
- [More…](https://github.com/sindresorhus/promise-fun)
|
|
|
|
|
|
## License
|
|
|
|
MIT © [Sindre Sorhus](https://sindresorhus.com)
|